Fire severity influences the response of soil microbes to a boreal forest fire

Fire severity influences the response of soil microbes to a boreal forest fire

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This content has been downloaded from IOPscience. Please scroll down to see the full text. Download details: IP Address: 198.128.204.114 This content was downloaded on 19/10/2016 at 21:55 Please note that terms and conditions apply. You may also be interested in: Ecosystem responses to recent climate change and fire disturbance at northern highlatitudes: observations and model results contrasting northern Eurasia and NorthAmerica S J Goetz, M C Mack, K R Gurney et al. Consequences of changes in vegetation and snow cover for climate feedbacks in Alaska and northwest Canada E S Euskirchen, A P Bennett, A L Breen et al. More frequent burning increases vulnerability of Alaskan boreal black spruce forests Elizabeth E Hoy, Merritt R Turetsky and Eric S Kasischke The effects of fire on the thermal stability of permafrost in lowland and upland black spruce forests of interior Alaska in a changing climate E E Jafarov, V E Romanovsky, H Genet et al. Modeling the effects of fire severity and climate warming on active layer thickness and soil carbon storage of black spruce forests across the landscape in interior Alaska H Genet, A D McGuire, K Barrett et al. How will climate change affect wildland fire severity in the western US? Sean A Parks, Carol Miller, John T Abatzoglou et al. Fire severity influences the response of soil microbes to a boreal forest fire View the table of contents for this issue, or go to the journal homepage for more 2016 Environ. Res. Lett. 11 035004 () Home Search Collections Journals About Contact us My IOPscience
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Environ. Res. Lett. 11 ( 2016 ) 035004 doi:10.1088 / 1748-9326 / 11 / 3 / 035004 LETTER Fire severity in uences the response of soil microbes to a boreal forest fi re Sandra R Holden 1 , 2 , Brendan M Rogers 3 , Kathleen K Treseder 1 , 4 and James T Randerson 2 1 Department of Ecology and Evolutionary Biology, University of California, Irvine, Irvine, CA 92697-2525, USA 2 Department of Earth System Science, University of California, Irvine, Irvine, CA 92697-3100, USA 3 Woods Hole Research Center, Falmouth, MA 02540-1644, USA 4 Author to whom any correspondence should be addressed E-mail: [email protected] , [email protected] , [email protected] and [email protected] Keywords: boreal forest, dNBR, fi re severity, microbial biomass, microbial respiration, mycorrhizal fungi, soil carbon Supplementary material for this article is available online Abstract Wild fi re activity is projected to increase in boreal forests as a result of climate warming. The consequences of increased wild fi re activity for soil carbon ( C ) storage in boreal forests may depend on the sensitivity of soil microbes to fi re severity, but microbial responses to boreal forest fi re severity are not well known. Here, we combine remote sensing of fi re severity and fi eld sampling to characterize the response of soil microbial biomass per g soil, microbial respiration of CO 2 per g soil, and fungal groups to fi re severity in a boreal forest ecosystem. We used remote sensing measurements of differenced normalized burn ratio from Landsat as a measure of fi re severity. Our results demonstrate
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