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  • 1. Allard, Christina
    et al.
    Axelsson, Per
    Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam).
    Brännlund, Isabelle
    Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam).
    Cocq, Coppélie
    Umeå universitet, Humanistiska fakulteten, Institutionen för språkstudier.
    Hjortfors, Lis-Mari
    Umeå universitet, Humanistiska fakulteten, Institutionen för språkstudier. Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam).
    Jacobsson, Lars
    Umeå universitet, Medicinska fakulteten, Institutionen för klinisk vetenskap.
    Ledman, Anna-Lill
    Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam).
    Löf, Annette
    Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam).
    Johansson Lönn, Eva
    Umeå universitet, Humanistiska fakulteten, Institutionen för kultur- och medievetenskaper.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Nilsson, Lena Maria
    Umeå universitet, Arktiskt centrum vid Umeå universitet (Arcum).
    Nordin, Gabriella
    Umeå universitet, Arktiskt centrum vid Umeå universitet (Arcum).
    Nordlund, Christer
    Umeå universitet, Humanistiska fakulteten, Institutionen för idé- och samhällsstudier.
    Norlin, Björn
    Umeå universitet, Humanistiska fakulteten, Institutionen för idé- och samhällsstudier.
    Outakoski, Hanna
    Umeå universitet, Humanistiska fakulteten, Institutionen för språkstudier.
    Reimerson, Elsa
    Umeå universitet, Samhällsvetenskapliga fakulteten, Statsvetenskapliga institutionen.
    Sandström, Camilla
    Umeå universitet, Samhällsvetenskapliga fakulteten, Statsvetenskapliga institutionen.
    Sandström, Moa
    Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam). Umeå universitet, Humanistiska fakulteten, Institutionen för språkstudier.
    Sehlin MacNeil, Kristina
    Umeå universitet, Humanistiska fakulteten, Institutionen för kultur- och medievetenskaper.
    Sköld, Peter
    Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam).
    Stoor, Krister
    Umeå universitet, Humanistiska fakulteten, Institutionen för språkstudier.
    Storm Mienna, Christina
    Umeå universitet, Humanistiska fakulteten, Centrum för samisk forskning (CeSam).
    Svonni, Charlotta
    Umeå universitet, Humanistiska fakulteten, Institutionen för idé- och samhällsstudier.
    Vinka, Mikael
    Össbo, Åsa
    Umeå universitet, Humanistiska fakulteten, Institutionen för språkstudier.
    Rasbiologiskt språkbruk i statens rättsprocess mot sameby2015Inngår i: Dagens Nyheter, ISSN 1101-2447Artikkel i tidsskrift (Annet (populærvitenskap, debatt, mm))
    Abstract [sv]

    Statens hantering av forskningsresultat i rättsprocessen med Girjas sameby utgör ett hot mot Sverige som rättsstat och kunskapsnation. Åratal av svensk och internationell forskning underkänns och man använder ett språkbruk som skulle kunna vara hämtat från rasbiologins tid. Nu måste staten ta sitt ansvar och börja agera som en demokratisk rättsstat, skriver 59 forskare.

  • 2.
    Aune, K
    et al.
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Jonsson, B G
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Isolation and edge effects among woodland key habitats in Sweden: is forest policy promoting fragmentation?2005Inngår i: Biological Conservation, Vol. 124, s. 89-95Artikkel i tidsskrift (Fagfellevurdert)
  • 3. Berg, A.
    et al.
    Östlund, L.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Olofsson, Johan
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    A century of logging and forestry in a reindeer herding area in northern Sweden2008Inngår i: Forest Ecology and Management, Vol. 256, s. 1009-1020Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Boreal forest ecosystems are generally highly sensitive to logging and other forestry activities. Thus, commercial forestry has had major effects on the forests and landscape structure in northern Sweden since the middle of the 19th Century, when it rapidly extended across the region. Lichens (which constitute up to 80% of reindeer forage in winter and early spring) have often been amongst the most severely affected ecosystem components. The overall aim of the present study was to analyze how forestry has influenced the potential supply of ground-growing lichens as winter forage for the reindeer in this region over the past ca. 100 years. For this purpose, we analysed changes in forest and stand structure in Scots pine-dominated (Pinus sylvestris L.) reindeer wintering areas in the southern part of the county Norrbotten (covering ca. 58,000 ha) using detailed historical forest inventories and management plans. We found that the amount of the forest types considered potentially good pasture (mainly middleaged and old pine forests) decreased during the first part of the 20th Century. However, the quality of grazing grounds was improved by forestry during this time mainly because selective logging made the forests more open which benefits lichen growth. During the last part of the 20th century forestry impaired the quality of grazing grounds in several ways, e.g. by clear-cutting and intensified use of various silviculturalmeasures. We conclude that ca. 30–50% of the winter grazing grounds have been lost in the study area because of intensive forest management during the last century. The spatially precise historical information about the affects of forestry on lichen pasture provided in this study can be used to direct forest management which will facilitate and promote reindeer herding in the future.

  • 4. Bernes, Claes
    et al.
    Brathen, Kari Anne
    Forbes, Bruce C.
    Speed, James D. M.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    What are the impacts of reindeer/caribou (Rangifer tarandus L.) on arctic and alpine vegetation?: A systematic review2015Inngår i: Environmental Evidence, ISSN 2047-2382, E-ISSN 2047-2382, Vol. 4, nr 4Artikkel, forskningsoversikt (Fagfellevurdert)
    Abstract [en]

    Background: The reindeer (or caribou, Rangifer tarandus L.) has a natural range extending over much of Eurasia's and North America's arctic, alpine and boreal zones, yet its impact on vegetation is still unclear. This lack of a common understanding hampers both the management of wild and semi-domesticated reindeer populations and the preservation of biodiversity. To achieve a common platform, we have undertaken a systematic review of published studies that compare vegetation at sites with different reindeer densities. Besides biodiversity, we focused on effects on major plant growth forms. Methods: Searches for literature were made using online publication databases, search engines, specialist websites and bibliographies of literature reviews. Search terms were developed in English, Finnish, Norwegian, Russian and Swedish. Identified articles were screened for relevance based on titles, abstracts and full text using inclusion criteria set out in an a priori protocol. Relevant articles were then subject to critical appraisal of susceptibility to bias. Data on outcomes such as abundance, biomass, cover and species richness of vegetation were extracted together with metadata on site properties and other potential effect modifiers. Results: Our searches identified more than 6,000 articles. After screening for relevance, 100 of them remained. Critical appraisal excluded 60 articles, leaving 40 articles with 41 independent studies. Almost two thirds of these studies had been conducted in Fennoscandia. Meta-analysis could be made of data from 31 of the studies. Overall, effects of reindeer on species richness of vascular plants depended on temperature, ranging from negative at low temperature to positive at high temperature. Effects on forbs, graminoids, woody species, and bryophytes were weak or non-significant, whereas the effect on lichens was negative. However, many individual studies showed clear positive or negative effects, but the available information was insufficient to explain this context dependence. Conclusions: We see two pressing matters emerging from our study. First, there is a lack of research with which to build a circumpolar understanding of grazing effects, which calls for more studies using a common protocol to quantify reindeer impacts. Secondly, the highly context-dependent outcomes suggest that research and management have to consider local conditions. For instance, predictions of what a management decision would mean for the effects of reindeer on vegetation will have to take the variation of vegetation types and dominant growth forms, productivity, and grazing history into account. Policy and management have to go hand-in-hand with research in individual cases if the dynamics between plants, animals, and humans are to be sufficiently understood.

  • 5. Bernes, Claes
    et al.
    Bråthen, Kari Anne
    Forbes, Bruce C.
    Hofgaard, Annika
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Speed, James D.M.
    What are the impacts of reindeer/caribou (Rangifer tarandus L.) on arctic and alpine vegetation?: A systematic review protocol2013Inngår i: Environmental Evidence, ISSN 2047-2382, Vol. 2, artikkel-id 6Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background: Reindeer and caribou (both belonging to the species Rangifer tarandus L.) are among the most important large herbivores in Eurasia’s and North America’s arctic, alpine and boreal zones. In Sweden, the impact of reindeer grazing on arctic and alpine vegetation has recently been re-evaluated. In the 1990s, records of grazing-related vegetation degradation helped to form a widespread perception that some mountain areas were overgrazed. However, later analyses have shown no evidence of large-scale overutilisation of reindeer ranges in the Swedish mountains.

    The present-day consensus is that overgrazing has been temporary and local, and that it rarely has caused permanent damage, but it is imperative to examine the scientific support for these views. Moreover, the Swedish Parliament has adopted an environmental quality objective according to which it is essential to preserve ‘a mountain landscape characterised by grazing’. No details have been given on how this goal is to be interpreted, which is another reason why the significance of reindeer grazing for arctic/alpine vegetation needs to be assessed.

    This protocol presents the methodology that will be used in a systematic review of the impact of reindeer herbivory in arctic and alpine ecosystems. The focus will be on Fennoscandia, but data from other parts of the range of R. tarandus will be used when deemed appropriate.

    Methods: The review will be based on primary field studies that compare vegetation subject to different degrees of reindeer/caribou herbivory (including grazing and browsing as well as trampling). Such comparisons can be either temporal, spatial or both. The review will cover impacts of herbivory in arctic, subarctic, alpine and subalpine areas (including the forest-tundra ecotone) across the range of R. tarandus, but not in boreal forests. Relevant aspects of vegetation include cover (abundance), biomass, diversity (e.g. species richness), structure, composition (including functional groups) and productivity.

  • 6. Bruun , Hans Henrik
    et al.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Virtanen, Risto
    Grytnes, John-Arvid
    Oksanen, Lauri
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Angerbjörn, Anders
    Effects of altitude and topography on species richness of vascular plants, bryophytes and lichens in alpine communities2006Inngår i: Journal of Vegetation Science, ISSN 1100-9233, E-ISSN 1654-1103, Vol. 17, s. 37-46Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Question: What is the relationship between species richness of vascular plants, bryophytes and macrolichens, and two important gradients in the alpine environment, altitude and local topography?

    Location: Northernmost Fennoscandia, 250–1525 m a.s.l. corresponding to the range between timberline and mountain top.

    Methods: The vegetation was sampled in six mountain areas. For each 25 vertical metres, the local topographic gradient from wind-blown ridge to snowbed was sampled in quadrats of 0.8 m × 0.8 m. Patterns in species richness were explored using Poisson regression (Generalized Linear Models). Functional groups of species, i.e. evergreen and deciduous dwarf-shrubs, forbs, graminoids, mosses, hepatics and lichens were investigated separately.

    Results: Functional groups showed markedly different patterns with respect to both altitude and topography. Species richness of all vascular plants showed a unimodal relationship with altitude. The same was true for graminoids, forbs and lichens analysed separately, but forb richness peaked at much higher altitudes than total richness. The richness of dwarf-shrubs decreased monotonically with altitude, whereas richness of mosses and liverworts showed an increasing trend. Significant interactions between altitude and local topography were present for several groups. The unimodal pattern for total plant species richness was interpreted in terms of local productivity, physical disturbance, trophic interactions, and in terms of species pool effects.

    Conclusions: Patterns in local species richness result from the action of two opposing forces: declining species pool and decreasing intensity of competition with altitude. N

    omenclature: Nilsson (1986) and Hallingbäck (1995, 1996) for vascular plants, lichens and bryophytes, respectively.

  • 7. Bruun, H H
    et al.
    Österdahl, S
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Angerbjörn, A
    Distinct patterns in alpine vegetation around dens of the Arctic fox2005Inngår i: Ecography, Vol. 28, s. 81-87Artikkel i tidsskrift (Fagfellevurdert)
  • 8. Cairns, D
    et al.
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Herbivory influences treelines2004Inngår i: Journal of Ecology, Vol. 92, s. 1019-1024Artikkel i tidsskrift (Fagfellevurdert)
  • 9. Cairns, David M.
    et al.
    Lafon, Charles W.
    Mouton, Michelle F.
    Stuteville, Rachel L.
    Young, Amanda B.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Comparing two methods for ageing trees with suppressed, diffuse-porous rings (Betula pubescens ssp. czerepanovii)2012Inngår i: Dendrochronologia, ISSN 1125-7865, E-ISSN 1612-0051, Vol. 30, nr 4, s. 252-256Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The annual growth rings of diffuse porous species such as mountain birch are often difficult to distinguish when samples are collected from trees that grow at treeline or in other harsh environments. In this study we document the differences in seedling and sapling ring counts obtained from two methods of analysis: a traditional analysis based on reflected light and low-power microscopy and one based on transmitted light with higher power magnification that uses thin-sections of the samples. Rings are easier to resolve using the more labor-intensive transmitted light method. Small rings are often missed when using the reflected light method, resulting in an underestimation of tree age. The dates estimated by the standard method agreed with those determined using the thin-sectioning method in 9.6% of the cases. Most commonly, the standard method gave a younger age than did thin-sectioning (72.4% of the trees). In only 18.03% of the cases did the standard method result in a greater age than did thin-sectioning. The reflected light method produced age estimations that were on average 1.37 years younger than those determined using the transmitted light method. The difference between the two methods was positively correlated with age and negatively correlated with mean ring-width. Age-class histograms based on the two methods show little difference at coarser aggregation levels (decades and pentads), but annualized age-class histograms have less agreement between the two methods. Therefore, we suggest using the more labor-intensive thin-sectioning method when annualized age counts are necessary in suppressed seedlings and saplings, for example, comparing tree establishment with annual climate conditions at treeline.

  • 10. Cairns, D.M.
    et al.
    Lafon , C.
    Moen, Mon
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Young , A.
    Influences of animal activity on treeline position and pattern: Implications for treeline responses to climate change2007Inngår i: Physical geography, ISSN 0272-3646, E-ISSN 1930-0557, Vol. 28, nr 5, s. 419-433Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    The alpine treeline is a potentially sensitive indicator of vegetation response to climate change. However, there is not a generally accepted single hypothesis that explains treeline position and pattern at multiple scales. Recently a set of five hypotheses has been proposed for treeline explanations (Körner, 2003b). The impacts of animals are not explicitly included in any of these hypotheses, however, they can and should be included. In this review we discuss Körner's five hypotheses and explain how animal activity can be included within them to make them more applicable to treeline environments experiencing a changing climate. We utilize the conceptual model proposed by Cairns and Moen (2004) as an organizing framework for the inclusion of animal activity with existing hypotheses. Finally we suggest that the equivocal nature of treeline response to climate change may be in part related to animal activity.

  • 11. Danell, Ö
    et al.
    Bergström, R
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Insect avoidance may override human disturbances in reindeer habitat selection2004Inngår i: Rangifer, Vol. 24, s. 95-103Artikkel i tidsskrift (Fagfellevurdert)
  • 12. Eriksson, Åsa
    et al.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Effekter av skogsbruk på rennäringen: en litteraturstudie2008Rapport (Annet vitenskapelig)
  • 13.
    Frenkel, Martin
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Johansson Jänkänpää, Hanna
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik.
    Jansson, Stefan
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik. Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Plant photoprotection influences herbivore preferencesManuskript (Annet (populærvitenskap, debatt, mm))
  • 14.
    Frenkel, Martin
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Johansson Jänkänpää, Hanna
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Jansson, Stefan
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    An illustrated gardener's guide to transgenic Arabidopsis field experiments2008Inngår i: New Phytologist, ISSN 0028-646X, E-ISSN 1469-8137, Vol. 180, nr 2, s. 545-555Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Field studies with transgenic Arabidopsislines have been performed over 8 yr, to better understand the influence that certain genes have on plant performance. Many (if not most) plant phenotypes cannot be observed under the near constant, low-stress conditions in growth chambers, making field experiments necessary. However, there are challenges in performing such experiments: permission must be obtained and regulations obeyed, the profound influence of uncontrollable biotic and abiotic factors has to be considered, and experimental design has to be strictly controlled.

    The aim here is to provide inspiration and guidelines for researchers who are not used to setting up such experiments, allowing others to learn from our mistakes. This is believed to be the first example of a ‘manual’ for field experiments with transgenic Arabidopsisplants. Many of the challenges encountered are common for all field experiments, and many researchers from ecological backgrounds are skilled in such methods. There is huge potential in combining the detailed mechanistic understanding of molecular biologists with ecologists’ expertise in examining plant performance under field conditions, and it is suggested that more interdisciplinary collaborations will open up new scientific avenues to aid analyses of the roles of genetic and physiological variation in natural systems.

  • 15.
    Frenkel, Martin
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Külheim, Carsten
    Johansson Jänkänpää, Hanna
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik. Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Skogström, Oskar
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik. Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Dall Osto, Luca
    Ågren, Jon
    Bassi, Roberto
    Moritz, Thomas
    Department of Forest Genetics and Plant Physiology, Swedish University of Agricultural Sciences.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Jansson, Stefan
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik. Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Improper excess light energy dissipation in Arabidopsis results in a metabolic reprogramming2009Inngår i: BMC Plant Biology, ISSN 1471-2229, E-ISSN 1471-2229, Vol. 9, nr 12, s. 1-16Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Background: Plant performance is affected by the level of expression of PsbS, a key photoprotective protein involved in the process of feedback de-excitation (FDE), or the qE component of non-photochemical quenching, NPQ.

    Results: In studies presented here, under constant laboratory conditions the metabolite profiles of leaves of wild-type Arabidopsis thaliana and plants lacking or overexpressing PsbS were very similar, but under natural conditions their differences in levels of PsbS expression were associated with major changes in metabolite profiles. Some carbohydrates and amino acids differed ten-fold in abundance between PsbS-lacking mutants and over-expressers, with wild-type plants having intermediate amounts, showing that a metabolic shift had occurred. The transcriptomes of the genotypes also varied under field conditions, and the genes induced in plants lacking PsbS were similar to those reportedly induced in plants exposed to ozone stress or treated with methyl jasmonate (MeJA). Genes involved in the biosynthesis of JA were up-regulated, and enzymes involved in this pathway accumulated. JA levels in the undamaged leaves of field-grown plants did not differ between wild-type and PsbS-lacking mutants, but they were higher in the mutants when they were exposed to herbivory.

    Conclusion: These findings suggest that lack of FDE results in increased photooxidative stress in the chloroplasts of Arabidopsis plants grown in the field, which elicits a response at the transcriptome level, causing a redirection of metabolism from growth towards defence that resembles a MeJA/JA response.

  • 16.
    Frenkel, Martin
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Külheim, Carsten
    Johansson Jänkänpää, Hanna
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik. Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Skogström, Oskar
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik. Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Frigerio, Sara
    Ågren, Jon
    Bassi, Roberto
    Moritz, Thomas
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Jansson, Stefan
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för fysiologisk botanik. Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Improper regulation of light harvesting in Arabidopsis results in a metabolic reprogrammingManuskript (Annet (populærvitenskap, debatt, mm))
  • 17. Gaio-Oliveira, G
    et al.
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Danell, Ö
    Palmqvist, K
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Effect of simulated reindeer grazing on the re-growth capacity of mat-forming lichens2006Inngår i: Basic and Applied Ecology, Vol. 7, s. 109-121Artikkel i tidsskrift (Fagfellevurdert)
  • 18.
    Gamfeldt, Lars
    et al.
    SLU; Department of Biological and Environmental Sciences, University of Gothenburg, Gothenburg, Sweden.
    Snäll, Tord
    SLU.
    Bagchi, Robert
    Department of Biological and Biomedical Sciences, Durham University, Durham UK.
    Jonsson, Micael
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Gustafsson, Lena
    SLU.
    Kjellander, Petter
    Grimsö Wildlife Research Station, Department of Ecology, Swedish University of Agricultural Sciences, Riddarhyttan, Sweden.
    Ruiz-Jaen, María C
    Environmental Change Institute, Oxford, UK.
    Fröberg, Mats
    SLU.
    Stendahl, Johan
    SLU.
    Philipson, Christopher D
    Institute of Evolutionary Biology and Environmental Studies, University of Zurich, Zurich, Switzerland.
    Mikusiński, Grzegorz
    Grimsö Wildlife Research Station, Department of Ecology, Swedish University of Agricultural Sciences, Riddarhyttan, Sweden.
    Andersson, Erik
    SLU; Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden.
    Westerlund, Bertil
    SLU.
    Andrén, Henrik
    Grimsö Wildlife Research Station, Department of Ecology, Swedish University of Agricultural Sciences, Riddarhyttan, Sweden.
    Moberg, Fredrik
    Stockholm Resilience Centre, Stockholm University, Stockholm, Sweden.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Bengtsson, Jan
    SLU.
    Higher levels of multiple ecosystem services are found in forests with more tree species2013Inngår i: Nature Communications, ISSN 2041-1723, E-ISSN 2041-1723, Vol. 4, artikkel-id 1340Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Forests are of major importance to human society, contributing several crucial ecosystem services. Biodiversity is suggested to positively influence multiple services but evidence from natural systems at scales relevant to management is scarce. Here, across a scale of 400,000 km(2), we report that tree species richness in production forests shows positive to positively hump-shaped relationships with multiple ecosystem services. These include production of tree biomass, soil carbon storage, berry production and game production potential. For example, biomass production was approximately 50% greater with five than with one tree species. In addition, we show positive relationships between tree species richness and proxies for other biodiversity components. Importantly, no single tree species was able to promote all services, and some services were negatively correlated to each other. Management of production forests will therefore benefit from considering multiple tree species to sustain the full range of benefits that the society obtains from forests.

  • 19. Gilichinsky, Michael
    et al.
    Sandström, Per
    Reese, Heather
    Kivinen, Sonja
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Nilsson, Mats
    Mapping ground lichens using forest inventory and optical satellite data2011Inngår i: International Journal of Remote Sensing, ISSN 0143-1161, E-ISSN 1366-5901, Vol. 32, nr 2, s. 455-472Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Lichen is a major forage resource for reindeer and may constitute up to 80% of areindeer’s winter diet. The reindeer grazing area in Sweden covers almost half of thecountry, with reindeer using mountainous areas in the summer and forested areas inthe winter. Knowledge about the spatial distribution of ground lichens is importantfor both practical and decision-making purposes. Since the early 1980s, remotesensing research of lichen cover in northern environments has focused on reindeergrazing issues. The objective of this study was to use lichen information collected inthe Swedish National Forest Inventory (NFI) as training data to classify opticalsatellite images into ground lichen cover classes. The study site was located within thereindeer husbandry area in northern Sweden and consisted of the common areabetween two contiguous Satellite Pour l’Observation de la Terre (SPOT)-5 scenesand one Landsat-7 Enhanced Thematic Mapper Plus (ETMþ) scene. Three classificationmethods were tested: Mahalanobis distance, maximum likelihood andspectral mixture analysis. Post-classification calibration was applied using a membershipprobability threshold in order to match the NFI-measured proportions oflichen coverage classes. The classification results were assessed using an independentlycollected field dataset (229 validation areas). The results demonstrated highclassification accuracy of SPOT imagery for the classification of lichen-abundantand lichen-poor areas when using theMahalanobis distance classifier (overall accuracy84.3%, kappa ¼ 0.68). The highest classification accuracy for Landsat wasachieved using a maximum likelihood classification (overall accuracy 76.8%, kappa¼ 0.53). These results provided an initial indication of the utility of NFI data astraining data in the process of mapping lichen classes over large areas.

  • 20. Heiskanen, J
    et al.
    Nilsson, B
    Mäki, A-H
    Allard, A
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Holm, S
    Sundquist, S
    Olsson, H
    Aerial photo interpretation for change detection of treeline ecotones in the Swedish mountains2008Rapport (Annet vitenskapelig)
  • 21. Hester, A J
    et al.
    Bergman, M
    Iason, G R
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Impacts of large herbivores on plant community structure and dynamics2006Inngår i: Large Herbivore Ecology, Ecosystem Dynamics and Conservation, Cambridge University Press, Cambridge , 2006Kapittel i bok, del av antologi (Fagfellevurdert)
  • 22. Hilding-Rydevik, Tuija
    et al.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Green, Carina
    Baselines and the shifting baseline syndrome: exploring frames of reference in nature conservation2017Inngår i: Issues and concepts in historical ecology: the past and future of landscapes and regions / [ed] Carole L. Crumley, Tommy Lennartsson, Anna Westin, Cambridge University Press, 2017, s. 112-141Kapittel i bok, del av antologi (Fagfellevurdert)
  • 23.
    Horstkotte, Tim
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap. Institute of Geography and Geology, Turku University, Finland.
    Lind, Torgny
    Moen, Jon
    Quantifying the Implications of Different Land Users' Priorities in the Management of Boreal Multiple-Use Forests2016Inngår i: Environmental Management, ISSN 0364-152X, E-ISSN 1432-1009, Vol. 57, nr 4, s. 770-783Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    In the management of natural resources, conflicting interests and objectives among different stakeholders often need to be considered. Here, we examine how two contrasting management scenarios of boreal forests in northern Sweden differ in their consequences on forest structural composition and the economic gains at harvest. Management strategies prioritize either (i) forest characteristics that promote grazing resources for reindeer herded by the indigenous Sami, or (ii) timber production as practiced in Sweden today. When prioritizing reindeer grazing, forest stands develop a higher abundance of older age classes with larger trees and lower stem density, which reduces harvest and revenue levels by approximately 20 % over a 100-year period. The differences between these strategies illustrate the complexity in finding a trade-off for coexistence between industrial land users and other livelihoods that share the same landscape. Political support and institutional solutions are necessary to initiate changes in policy in finding such trade-offs in the management of environmental resources and thereby influence the optimal distribution of costs and benefits between different actors.

  • 24.
    Horstkotte, Tim
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap. University of Turku, Turku, Finland.
    Sandström, Camilla
    Umeå universitet, Samhällsvetenskapliga fakulteten, Statsvetenskapliga institutionen.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Exploring the multiple use of boreal landscapes: the importance of social-ecological diversity for mobility and flexibility2014Inngår i: Human Ecology, ISSN 0300-7839, E-ISSN 1572-9915, Vol. 42, nr 5, s. 671-682Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Sustainable multiple use of landscapes can be a challenging task for the stakeholders involved, especially when they have competing interests with respect to natural resource management. In this paper we analyze the consequences associated with “landscape diversity”, including the interactions between environmental, administrative and societal factors. As a case study, we describe winter land use for reindeer husbandry in the boreal forest in Northern Sweden, a resource that is also used for commercial timber production. We show how and why the interactions between the three factors associated with landscape diversity affect reindeer herding and the options for responding to change. Multi-dimensional landscape diversity can either (i) promote flexibility in the face of change in the form of mobility or (ii) create fragmentation that restricts adaption to changes. This is a result of the dynamic patterns of diverse landscape structures, created by administrative and societal choices. Because such landscape patterns react differently to environmental variability within a season and between years, landscape functions adjusted to the dynamics of environmental variables could help to provide continuity of grazing resources in both space and time and ensure that reindeer husbandry remains resilient to changes. Because of the unequal distribution of power and capacity for decision making, social learning between the two stakeholders can help to balance trade-offs between both types of land user, allowing them to coexist in a landscape shaped by diverse values, priorities and management practices.

  • 25.
    Jansson, Roland
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Nilsson, Christer
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Keskitalo, E Carina H
    Umeå universitet, Samhällsvetenskapliga fakulteten, Institutionen för geografi och ekonomisk historia.
    Vlasova, Tatiana
    Sutinen, Marja-Liisa
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Chapin, F Stuart, III
    Bråthen, Kari Anne
    Cabeza, Mar
    Callaghan, Terry V
    van Oort, Bob
    Dannevig, Halvor
    Bay-larsen, Ingrid A
    Ims, Rolf A
    Aspholm, Paul Eric
    Future changes in the supply of goods and services from natural ecosystems: prospects for the European north2015Inngår i: Ecology & society, ISSN 1708-3087, E-ISSN 1708-3087, Vol. 20, nr 3, artikkel-id 32Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Humans depend on services provided by ecosystems, and how services are affected by climate change is increasingly studied. Few studies, however, address changes likely to affect services from seminatural ecosystems. We analyzed ecosystem goods and services in natural and seminatural systems, specifically how they are expected to change as a result of projected climate change during the 21st century. We selected terrestrial and freshwater systems in northernmost Europe, where climate is anticipated to change more than the global average, and identified likely changes in ecosystem services and their societal consequences. We did this by assembling experts from ecology, social science, and cultural geography in workshops, and we also performed a literature review. Results show that most ecosystem services are affected by multiple factors, often acting in opposite directions. Out of 14 services considered, 8 are expected to increase or remain relatively unchanged in supply, and 6 are expected to decrease. Although we do not predict collapse or disappearance of any of the investigated services, the effects of climate change in conjunction with potential economical and societal changes may exceed the adaptive capacity of societies. This may result in societal reorganization and changes in ways that ecosystems are used. Significant uncertainties and knowledge gaps in the forecast make specific conclusions about societal responses to safeguard human well-being questionable. Adapting to changes in ecosystem services will therefore require consideration of uncertainties and complexities in both social and ecological responses. The scenarios presented here provide a framework for future studies exploring such issues.

  • 26.
    Johansson Jänkänpää, Hanna
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Frenkel, Martin
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Zulfugarov, Ismayil
    Institute of Botany, Azerbaijan National Academy of Sciences, Baku, Azerbaijan.
    Reichelt, Michael
    Department of Biochemistry, Max Planck Institute for Chemical Ecology, Jena, Germany.
    Krieger-Liszkay, Anja
    CEA, Institut de Biologie et Technologies de Saclay, Service de Bioénergétique Biologie Structurale et Mécanisme, Gif-sur-Yvette, France.
    Mishra, Yogesh
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Gershenzon, Jonathan
    Department of Biochemistry, Max Planck Institute for Chemical Ecology, Jena, Germany.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Lee, Choon-Hwan
    Department of Molecular Biology, Pusan National University, Busan, Republic of Korea.
    Jansson, Stefan
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Umeå Plant Science Centre (UPSC).
    Non-photochemical quenching capacity in arabidopsis thaliana affects herbivore behaviour2013Inngår i: PLoS ONE, ISSN 1932-6203, E-ISSN 1932-6203, Vol. 8, nr 1, s. e53232-Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Under natural conditions, plants have to cope with numerous stresses, including light-stress and herbivory. This raises intriguing questions regarding possible trade-offs between stress defences and growth. As part of a program designed to address these questions we have compared herbivory defences and damage in wild type Arabidopsis thaliana and two "photoprotection genotypes", npq4 and oePsbS, which respectively lack and overexpress PsbS (a protein that plays a key role in qE-type non-photochemical quenching). In dual-choice feeding experiments both a specialist (Plutella xylostella) and a generalist (Spodoptera littoralis) insect herbivore preferred plants that expressed PsbS most strongly. In contrast, although both herbivores survived equally well on each of the genotypes, for oviposition female P. xylostella adults preferred plants that expressed PsbS least strongly. However, there were no significant differences between the genotypes in levels of the 10 most prominent glucosinolates; key substances in the Arabidopsis anti-herbivore chemical defence arsenal. After transfer from a growth chamber to the field we detected significant differences in the genotypes' metabolomic profiles at all tested time points, using GC-MS, but no consistent "metabolic signature'' for the lack of PsbS. These findings suggest that the observed differences in herbivore preferences were due to differences in the primary metabolism of the plants rather than their contents of typical "defence compounds". A potentially significant factor is that superoxide accumulated most rapidly and to the highest levels under high light conditions in npq4 mutants. This could trigger changes in planta that are sensed by herbivores either directly or indirectly, following its dismutation to H2O2.

  • 27. Jones, Elizabeth A.
    et al.
    Westin, Anna
    Madry, Scott
    Murray, Seth
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Tickner, Amanda
    How to operationalise collaborative research2017Inngår i: Issues and concepts in historical ecology: the past and future of landscapes and regions / [ed] Carole L. Crumley, Tommy Lennartsson, Anna Westin, Cambridge University Press, 2017, s. 240-271Kapittel i bok, del av antologi (Fagfellevurdert)
  • 28. Jonsdottir, I S
    et al.
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Botany in the West Antarctic region: from Skottsberg to modern research2004Inngår i: Antarctic Challenges – historical and current perspectives on Otto Nordenskjöld’s Antarctic expedition 1910-1903, 2004, s. 156-174Kapittel i bok, del av antologi (Annet vitenskapelig)
  • 29.
    Jonsson, Anna
    et al.
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Palmqvist, Kristin
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Predicting lichen hydration using biophysical models.2008Inngår i: Oecologia, ISSN 0029-8549, E-ISSN 1432-1939, Vol. 156, nr 2, s. 259-73Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Two models for predicting the hydration status of lichens were developed as a first step towards a mechanistic lichen productivity model. A biophysical model included the water potential of the air, derived from measurements of air temperature, relative humidity and species-specific rate constants for desiccation and rehydration. A reduced physical model, included only the environmental parameters, assuming instantaneous equilibration between the lichen and the air. These models were developed using field and laboratory data for three green algal lichens; the foliose epiphytic Platismatia glauca (L.) W. Culb., the fruticose epiphytic Alectoria sarmentosa (Ach.) Ach., and the fruticose, terricolous and mat-forming Cladina rangiferina (L.) Weber ex Wigg. The models were compared and validated for the same three species using data from a habitat with a different microclimate. Both models predicted length and timing of lichen hydration periods with high accuracy for A. sarmentosa and P. glauca where near 100 percent of the total wet time was predicted by the biophysical and the physical model. Moreover, the models predicted an accurate timing of the total realized wet time for A. sarmentosa and P. glauca when the lichens were wet. The model accuracy was lower for C. rangiferina compared to the epiphytes, both for the total realized wet time and timing accuracy. The results demonstrate that the stochastic and continually varying hydration status of lichens can be simulated from biophysical data. Further development of these models to include also water related activity, light, and temperature conditions during the hydration events, will then be a potent tool to assess potential lichen productivity in landscapes and habitats of various microclimatic conditions.

  • 30.
    Jonsson Cabrajic, Anna V
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Palmqvist, Kristin
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Predicting growth of mat-forming lichens on a landscape scale: comparing models with different complexities2010Inngår i: Ecography, ISSN 0906-7590, E-ISSN 1600-0587, Vol. 33, nr 5, s. 949-960Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    During the 20th century, forestry practices has adversely affected lichen-rich habitats. Mat-forming lichens are important components of the vegetation of boreal and arctic ecosystems and are the main reindeer forage during the winter. To support the long-term management of lichens in such habitats we developed models for predicting the growth of two common species. The lichens were transplanted across northern Scandinavia along a west-east gradient varying in precipitation, temperature and irradiance. Growth was recorded seasonally over 16 months and ranged from −4.8 to 34.6% and −12.7 to 34.7% dry weight change for Cetraria stellaris and Cladina islandica, respectively. Growth was light limited below canopies with more than ca 60% cover and highest at the more humid sites when light levels were optimal. The models were based on various meteorological parameters, irradiance, physiological data and lichen hydration status; the latter was derived from a recently developed lichen hydration model. Our models' abilities to predict growth, both annually and seasonally (i.e. in summer), were evaluated in relation to their complexity and their potential usefulness from a management perspective. One parameter related to irradiance (the logarithm of site openness) was valuable in the prediction of annual growth for both species and could, in combination with precipitation, explain 52% of the variation in annual growth for C. stellaris and, in combination with total wet time and the irradiance received while wet, explain 66% of the variation in annual growth for C. islandica. The best simplified model explained 43% of the variation in annual growth for C. stellaris, using stem basal area and the annual normal temperature, and 24% for C. islandica using basal area alone. It is concluded that ensuring sufficient irradiance below the forest canopy is of crucial importance in the long-term management of mat-forming lichens and that simplified models can be used to identify appropriate habitats.

  • 31.
    Jonsson, Micael
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Bengtsson, Jan
    Gamfeldt, Lars
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Snäll, Tord
    Levels of forest ecosystem services depend on specific mixtures of commercial tree species2019Inngår i: Nature Plants, ISSN 2055-026X, Vol. 5, nr 2, s. 141-147Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Global and local ecosystem change resulting in diversity loss has motivated efforts to understand relationships between species diversity and ecosystem services. However, it is unclear how such a general understanding can inform policies for the management of ecosystem services in production systems, because these systems are primarily used for food or fibre, and are rarely managed for the conservation of species diversity. Here, using data from a nationwide forest inventory covering an area of 230,000 km2, we show that relative abundances of commercial tree species in mixed stands strongly influence the potential to provide ecosystem services. The mixes provided higher levels of ecosystem services compared to respective plant monocultures (overyielding or transgressive overyielding) in 35% of the investigated cases, and lower (underyielding) in 9% of the cases. We further show that relative abundances, not just species richness per se, of specific tree-species mixtures affect the potential of forests to provide multiple ecosystem services, which is crucial information for policy and sustainable forest management.

  • 32.
    Kivinen, Sonja
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Berg, Anna
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Östlund, Lars
    Olofsson, Johan
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Forest Fragmentation and Landscape Transformation in a Reindeer Husbandry Area in Sweden2012Inngår i: Environmental Management, ISSN 0364-152X, E-ISSN 1432-1009, Vol. 49, nr 2, s. 295-304Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Reindeer husbandry and forestry are two main land users in boreal forests in northern Sweden. Modern forestry has numerous negative effects on the ground-growing and arboreal lichens that are crucial winter resources for reindeer husbandry. Using digitized historical maps, we examined changes in the forest landscape structure during the past 100 years, and estimated corresponding changes in suitability of forest landscape mosaics for the reindeer winter grazing. Cover of old coniferous forests, a key habitat type of reindeer herding system, showed a strong decrease during the study period, whereas clear-cutting and young forests increased rapidly in the latter half of the 20th century. The dominance of young forests and fragmentation of old-growth forests (decreased patch sizes and increased isolation) reflect decreased amount of arboreal lichens as well as a lowered ability of the landscape to sustain long-term persistence of lichens. The results further showed that variation in ground lichen cover among sites was mainly related to soil moisture conditions, recent disturbances, such as soil scarification and prescribed burning, and possibly also to forest history. In general, the results suggest that the composition and configuration of the forest landscape mosaic has become less suitable for sustainable reindeer husbandry.

  • 33.
    Kivinen, Sonja
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Berg, Anna
    Eriksson, Åsa
    Effects of modern forest management on winter grazing resources for reindeer in Sweden2010Inngår i: Ambio, ISSN 0044-7447, E-ISSN 1654-7209, Vol. 39, nr 4, s. 269-278Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Boreal forests in Sweden are exploited in a number of ways, including forestry and reindeer husbandry. In the winter, reindeer feed mainly on lichens, and lichen-rich forests are a key resource in the herding system. Commercial forestry has mainly negative effects on reindeer husbandry, and conflicts between these two industries have escalated over the last century. This article reviews the effects of modern forest management practices on the winter resources available for reindeer husbandry. Forestry affects reindeer husbandry at both the stand level and the landscape level and over various time scales. Clear-cutting, site preparation, fertilization, short rotation times, and forest fragmentation have largely resulted in a reduced amount of ground growing and arboreal lichens and restricted access to resource. This article also discusses alternative forestry practices and approaches that could reduce the impacts of forestry on reindeer husbandry, both in the short and long term.

  • 34. Lennartsson, Tommy
    et al.
    Eriksson, Ove
    Iuga, Anamaria
    Larsson, Jesper
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Scholl, Michael D.
    Westin, Anna
    Crumley, Carole L.
    Diversity in ecological and social contexts2017Inngår i: Issues and concepts in historical ecology: the past and future of landscapes and regions / [ed] Carole L. Crumley, Tommy Lennartsson, Anna Westin, Cambridge University Press, 2017, s. 182-239Kapittel i bok, del av antologi (Fagfellevurdert)
  • 35. Lindgren, Å
    et al.
    Eriksson, O
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    The impact of disturbance and seed availability on germination of alpine vegetation in the Scandinavian mountains2007Inngår i: Arctic, Antarctic and Alpine Research, Vol. 39, s. 449-454Artikkel i tidsskrift (Fagfellevurdert)
  • 36. Lindgren, Åsa
    et al.
    Klint, Johan
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Defense mechanisms against grazing: a study of trypsin inhibitor responses to simulated grazing in the sedge Carex bigelowii2007Inngår i: Oikos, ISSN 0030-1299, E-ISSN 1600-0706, Vol. 116, nr 9, s. 1540-1546Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Trypsin inhibitors have been suggested to constitute an inducible defense in the sedge Carex bigelowii, and some former studies suggest that this might be a cause for the cyclic population dynamics in many alpine and arctic small mammals, for example lemmings (Lemmus lemmus). We investigated this further by using a method of simulated grazing (clipping) at different intensities, in three different habitats with varying resource availability, with different harvest times (hours after clipping), and two different stages of ramets (reproductive/vegetative) in a study from the Swedish mountain range. Our results do not indicate that C. bigelowii has an inducible defense constituted by an increase in trypsin inhibitor activity (TIA), but rather that the amount of soluble plant proteins (SPP) is lowered in wounded plants. The responses were somewhat different in the three habitats, with ramets growing in the marsh showing the highest ratio of TIA to SPP, due to low amounts of SPP. We did not find any significant effects of harvest time, or of the stage of the ramet that could support the hypothesis of an inducible defense. To conclude, we could not find any evidence for an inducible defense consisting of trypsin inhibitors in Carex bigelowii ramets, but we did find variations in the amount of SPP that may have nutritional consequences for herbivores.

  • 37. Linkowski, Weronika Axelsson
    et al.
    Kvarnstrom, Marie
    Westin, Anna
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Ostlund, Lars
    Wolf and Bear Depredation on Livestock in Northern Sweden 1827-2014: Combining History, Ecology and Interviews2017Inngår i: Land, ISSN 2073-445X, E-ISSN 2073-445X, Vol. 6, nr 3, artikkel-id 63Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    During the twenty-first century, large carnivores have increased in human dominated landscapes after being extinct or nearly extinct. This has resulted in increasing numbers of livestock killed by large carnivores. The intent of this paper is to give a land use-historical perspective on the recent livestock-carnivore conflict in boreal Sweden. More specifically we address: (1) depredation risks (livestock killed by carnivores) and (2) local knowledge of how to protect livestock from predation and whether it survived among pastoralists until the present. This study provides numeric information on carnivores, livestock and depredation, combined with oral information from summer farmers about livestock protection. We compare recent (since 1998) and historical (late nineteenth century) depredation rates in two Swedish counties. In Dalarna recent depredation rates are higher than historical rates while the opposite pattern is seen in Jamtland. Recent depredation rates in Dalarna are twice the recent rates in Jamtland, in contrast to the historical situation. Recent and historical depredation rates are of the same order. Summer farmers traditionally graze their livestock in forested areas where carnivores reside. Interviews show that traditional knowledge of how to protect livestock from carnivores was lost during the twentieth century, but recently new knowledge has developed leading to changes in summer farming practices. The carnivore-livestock situation today differs from the historical situation, not so much in levels of depredation, but mainly regarding the possibilities of farmers to face challenges associated with increasing carnivore populations.

  • 38. Maes, Joachim
    et al.
    Liquete, Camino
    Teller, Anne
    Erhard, Markus
    Paracchini, Maria Luisa
    Barredo, Jose I.
    Grizzetti, Bruna
    Cardoso, Ana
    Somma, Francesca
    Petersen, Jan-Erik
    Meiner, Andrus
    Gelabert, Eva Royo
    Zal, Nihat
    Kristensen, Peter
    Bastrup-Birk, Annemarie
    Biala, Katarzyna
    Piroddi, Chiara
    Egoh, Benis
    Degeorges, Patrick
    Fiorina, Christel
    Santos-Martin, Fernando
    Narusevicius, Vytautas
    Verboven, Jan
    Pereira, Henrique M.
    Bengtsson, Jan
    Gocheva, Kremena
    Marta-Pedroso, Cristina
    Snaell, Tord
    Estreguil, Christine
    San-Miguel-Ayanz, Jesus
    Perez-Soba, Marta
    Gret-Regamey, Adrienne
    Lillebo, Ana I.
    Malak, Dania Abdul
    Conde, Sophie
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Czucz, Balint
    Drakou, Evangelia G.
    Zulian, Grazia
    Lavalle, Carlo
    An indicator framework for assessing ecosystem services in support of the EU Biodiversity Strategy to 20202016Inngår i: Ecosystem Services, ISSN 2212-0416, E-ISSN 2212-0416, Vol. 17, s. 14-23Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    In the EU, the mapping and assessment of ecosystems and their services, abbreviated to MAES, is seen as a key action for the advancement of biodiversity objectives, and also to inform the development and implementation of related policies on water, climate, agriculture, forest, marine and regional planning. In this study, we present the development of an analytical framework which ensures that consistent approaches are used throughout the EU. It is framed by a broad set of key policy questions and structured around a conceptual framework that links human societies and their well-being with the environment. Next, this framework is tested through four thematic pilot studies, including stakeholders and experts working at different scales and governance levels, which contributed indicators to assess the state of ecosystem services. Indicators were scored according to different criteria and assorted per ecosystem type and ecosystem services using the common international classification of ecosystem services (CICES) as typology. We concluded that there is potential to develop a first EU wide ecosystem assessment on the basis of existing data if they are combined in a creative way. However, substantial data gaps remain to be filled before a fully integrated and complete ecosystem assessment can be carried out.

  • 39.
    Moen, J
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Land use in the Swedish mountain region: trends and conflicting goals2006Inngår i: International Journal of Biodiversity Science and Management, Vol. 2, s. 305-314Artikkel i tidsskrift (Fagfellevurdert)
  • 40.
    Moen, J
    et al.
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Andersen, R
    Illius, A W
    Living in a seasonal environment2006Inngår i: Large Herbivore Ecology, Ecosystem Dynamics and Conservation, Cambridge University Press, Cambridge , 2006, s. 50-70Kapittel i bok, del av antologi (Fagfellevurdert)
  • 41.
    Moen, J
    et al.
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Aune, K
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Edenius, L
    Angerbjörn, A
    Potential effects of climate change on treeline position in the Swedish mountains2004Inngår i: Ecology and SocietyArtikkel i tidsskrift (Fagfellevurdert)
  • 42.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Climate change: effects on the ecological basis for reindeer husbandry in Sweden.2008Inngår i: Ambio, ISSN 0044-7447, Vol. 37, nr 4, s. 304-11Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper examines potential effects of predicted climate changes on the forage conditions during both summer and winter for semidomesticated reindeer in Sweden. Positive effects in summer ranges include higher plant productivity and a longer growing season, while negative effects include increased insect harassment. Forage quality may change in both positive and negative ways. An increase in shrubs and trees in alpine heaths is also likely. A warmer climate means shorter winters, which will have positive effects for the survival of reindeer. However, warmer and wetter weather may also result in increased probabilities of ice-crust formations, which strongly decrease forage availability. A warmer climate with higher forest productivity will also likely reduce lichen availability through competitive interactions. Adaptations to these changes will include maintaining a choice of grazing sites in both summer and winter. However, this capacity may already be severely limited because of other forms of land use.

  • 43.
    Moen, Jon
    Umeå universitet.
    Herbivory and plant community structure in a subarctic altitudinal gradient1993Doktoravhandling, med artikler (Annet vitenskapelig)
    Abstract [en]

    The object of this thesis was to study plant community structure, especially in relation to vertebrate herbivory, in an altitudinal gradient in the Fennoscandian mountain chain.

    A sowing experiment in a high alpine Ranunculus glacialis population showed that seeds germinated better in cleared microsites than under established individuals. This is contrasted with a hypothesis that predicts positive plant-plant interactions in high alpine environments. It was concluded that plant-plant interactions in die studied population varied from neutral to negative, whereas no indications for positive interactions were found.

    An exclosure experiment in a snow-bed showed that a lemming population consumed 33 % of the available graminoids and 66 % of the mosses from August to June during a population peak. The results shows that grazing needs to be considered as a structuring factor in snow-bed vegetation.

    The vegetation in exclosures in another snow-bed changed from a graminoid-dominated to a herb-dominated plant community during a long-term (six years) experiment No changes of the same magnitude were seen in a tall herb meadow on a lower altitude. Survival of transplanted adult shoots from the tall herb meadow was equally high in the snow-bed as on the meadow, and germination was also high on bare ground in the snow-bed. Grazing seemed to be a more important structuring factor in the snow-bed than in the more productive tall herb meadow.

    Raising the grazing pressure during one growing season by introducing microtine rodents into enclosures did not cause any large short-term effects on plant community structure in a tall hob meadow or in a snow-bed. Marked shoots showed that some preferred plant species had a high shoot mortality, but biomass for pooled categories of plants was not significantly affected. It was predicted that the tall herb meadow would be more grazing sensitive than die snow-bed, but productivity on the meadow seemed to be sufficiently high for the plants to compensate for the grazing during the growing season.

    A greenhouse experiment showed that voles, when grazing freely, have the potential to deplete productive field layer vegetation contrary to predictions from plant defence theories. A nitrogen-based defence did not prevent heavy shoot mortality for toxic tall herbs.

  • 44.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Mapping and assessment of forest ecosystems and their services – Applications and guidance for decision making in the framework of MAES.2015Rapport (Annet vitenskapelig)
  • 45.
    Moen, Jon
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Om att skåda naveln eller världen2014Rapport (Annet (populærvitenskap, debatt, mm))
  • 46.
    Moen, Jon
    Umeå universitet.
    Storslagen fjällmiljö – men hur länge?2007Inngår i: Mat, råvaror och energi: En kunskapsresa i Linnés anda, Formas, Stockholm , 2007, s. 107-111Kapittel i bok, del av antologi (Annet (populærvitenskap, debatt, mm))
  • 47. Moen, Jon
    Tre myter om tvärvetenskap.2013Inngår i: Biodiverse, ISSN 2002-3820, Vol. 18, nr 1, s. 12-14Artikkel i tidsskrift (Annet vitenskapelig)
    Abstract [sv]

    Är tvärvetenskapligt arbete svårt och ytligt? Måste man utgå från ett gemensamt språk? Många av de föreställningar som existerar kring tvärvetenskap innebär ett hinder för att få en mer integrerad och lösningsinriktad forskning. Professor Jon Moen slår hål på myterna.

  • 48.
    Moen, Jon
    et al.
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Cairns, D.M.
    Lafon, C.W.
    Factors structuring the treeline ecotone in Fennoscandia2008Inngår i: Plant Ecology and Diversity, Vol. 1, s. 77-87Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Many hypotheses have been put forward to explain the structure and position of alpine treelines. The spatial complexity of the ecotone, ranging from sharp boundaries to networks of tree patches within a heath matrix, may explain why no consensus has been reached. In this paper, we discuss factors from abiotic disturbances to herbivory that may help understand the spatial structure of the alpine treeline ecotone in Fennoscandia. The ecotone is dominated by mountain birch (Betula pubescens ssp. tortuosa), and may show a wide range of spatial structures. We discuss the influence of topography, seed limitations, seedling establishment, growth limitations, abiotic disturbances and herbivory as structuring factors. All of these factors may operate, but their relative importance in space and time is unknown. There is a basic difference between factors that prevent the establishment of trees, and thus act on early life history stages, and factors that thin out a previously dense forest, and thus act on adult trees. Mortality caused directly or indirectly by geometrid moths may belong to the latter category. We suggest that seedling and sapling mortality is more important than seed limitation for the establishment of new individuals in the treeline ecotone. Important mortality factors may be abiotic disturbances, competition (or allelopathy) from field layer plants and herbivory. The relative role of these factors needs to be examined further.

  • 49.
    Moen, Jon
    et al.
    Umeå universitet, Teknisk-naturvetenskaplig fakultet, Ekologi, miljö och geovetenskap.
    Fredman, Peter
    Effects of climate change on alpine skiing in Sweden2007Inngår i: Journal of Sustainable Tourism, Vol. 15, nr 4, s. 418-437Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    Climate change has already affected and will continue to affect physical and biological systems in many parts of the world. For example, annual snow cover extent in the northern hemisphere has decreased by about 10% since 1966, and in Sweden, the last decade was wetter and warmer than the preceding 30-year period. These changes will affect many aspects of utilisation patterns that are dependent on the physical environment, such as alpine winter tourism. In this paper, we discuss the future development of the downhill skiing industry in Sweden. We first review trends in alpine winter tourism in relation to climate change together with regional projections of climate change. Secondly, we examine trends in climate parameters relevant to alpine winter tourism in Sweden during the last 30 years. Thirdly, we take these parameters, together with regional projections of climate change, and predict effects on the number of skiing days in order to estimate the monetary loss for the skiing industry in Sweden. The analyses show predicted losses that are larger than current ski-ticket sales. Adaptation strategies such as the development of year-round tourist activities should be developed as soon as possible.

  • 50.
    Moen, Jon
    et al.
    Umeå universitet, Teknisk-naturvetenskapliga fakulteten, Institutionen för ekologi, miljö och geovetenskap.
    Keskitalo, E Carina H
    Umeå universitet, Samhällsvetenskapliga fakulteten, Kulturgeografiska institutionen.
    Interlocking panarchies in multi-use boreal forests in Sweden2010Inngår i: Ecology & society, ISSN 1708-3087, E-ISSN 1708-3087, Vol. 15, nr 3, artikkel-id 17Artikkel i tidsskrift (Fagfellevurdert)
    Abstract [en]

    This paper uses northern Sweden as a case study of a multi-use social-ecological system, in which forestry and reindeer husbandry interact as different land use forms in the same area. We aim to describe the timeline of main events that have influenced resource use in northern Sweden, that is, to attempt a historical profiling of the system, and to discuss these trends in the system in terms of adaptive cycles and resilience. The study shows that key political decisions have created strong path dependencies and a situation in which forestry today is characterized by low flexibility and low resilience due to the highly optimized harvesting of tree resources. Since forestry is the overwhelmingly strongest actor, trends in forestry from the mid-19th century forward are, to a large part, driving dynamics in reindeer husbandry and environmental protection, resulting in a system of interlocking panarchies with large implications for the competing land uses.

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