High-resolution multispectral satellite image and a postfire ground survey reveal prefire beetle damage on snags in Southern Alaska
2013 (English)In: Scandinavian Journal of Forest Research, ISSN 0282-7581, Vol. 28, no 6, 581-585 p.Article in journal (Refereed) Published
Alaskan spruce forests are exposed to both fire and spruce beetles [Dendroctonus rufipennis (Kirby)]. To understand the influence of spruce beetles on the process through which fire affects ecosystem function, we developed a reconstruction technique to measure prefire damage to trees caused by the spruce beetle. We validated our evaluation of prefire tree conditions using a high-resolution multispectral satellite image by comparing our results with a postfire ground survey. The prefire tree conditions determined by the two methods coincided well with each other. This result suggests that combining high-resolution multispectral imaging and postfire ground surveys of spruce beetles on snags is a powerful tool to determine the prefire condition of a forest in a changing boreal forest ecosystem.
Place, publisher, year, edition, pages
2013. Vol. 28, no 6, 581-585 p.
Climate change, remote sensing, black carbon, combination of disturbances
IdentifiersURN: urn:nbn:se:umu:diva-79217DOI: 10.1080/02827581.2013.793387ISI: 000321731600009OAI: oai:DiVA.org:umu-79217DiVA: diva2:648537