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Late Holocene beetle assemblages and environmental change in Gammelhemmet, northern Sweden
Umeå University, Faculty of Arts, Department of historical, philosophical and religious studies.
2015 (English)In: Boreas, ISSN 0300-9483, E-ISSN 1502-3885, Vol. 44, no 2, 368-382 p.Article in journal (Refereed) Published
Abstract [en]

Analysis of insect fossil remains retrieved from a bog close to the abandoned farm at Gammelhemmet, near Lycksele in Swedish Lapland, enabled the reconstruction of environmental changes at the site over the last 2500years. These results represent the first late Holocene palaeoentomological succession studied for insect remains in the Vasterbotten interior, and they provide new evidence for landscape change in the area. Around 2000years ago, at the end of the early Iron Age, disappearance of the tree and leaf litter fauna and an increase in aquatic species indicate the expansion of wetlands in the area. Patches of a multi-aged mixed woodland with a diverse assemblage of forest-dwelling beetles succeeded the wetland approximate to 1500years ago, at the beginning of the late Iron Age. A marked change to open and drier conditions, and the presence of species often found in grassland and cultivated ground took place during the post-Medieval period. Our evidence indicates drainage of the area prior to the 18th century, placing the initiation of agricultural activities in Gammelhemmet earlier than the documentary record. Our research shows the potential of the use of fossil insects for understanding environmental change and also human impact on the landscape, even of limited scale, from natural contexts.

Place, publisher, year, edition, pages
2015. Vol. 44, no 2, 368-382 p.
National Category
Physical Geography Geosciences, Multidisciplinary
Identifiers
URN: urn:nbn:se:umu:diva-102345DOI: 10.1111/bor.12106ISI: 000351852200007OAI: oai:DiVA.org:umu-102345DiVA: diva2:825387
Available from: 2015-06-23 Created: 2015-04-23 Last updated: 2017-12-04Bibliographically approved

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Engelmark, Roger

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