globalchange  > 影响、适应和脆弱性
DOI: 10.1016/j.foreco.2017.02.013
Scopus记录号: 2-s2.0-85013140562
论文题名:
Does the presence of large down wood at the time of a forest fire impact soil recovery?
作者: Smith J.E.; Kluber L.A.; Jennings T.N.; McKay D.; Brenner G.; Sulzman E.W.
刊名: Forest Ecology and Management
ISSN:  0378-1127
出版年: 2017
卷: 391
起始页码: 52
结束页码: 62
语种: 英语
英文关键词: Soil bacteria ; Soil burn severity ; Soil chemical, biochemical, and physical properties ; Soil fungi ; Wildfire
Scopus关键词: Bacteria ; Biodiversity ; Deforestation ; Fires ; Forestry ; Fungi ; Microorganisms ; Nutrients ; Bacterial community composition ; Biogeochemical response ; Burn Severity ; Microbial communities ; Nutrient-limited condition ; Soil bacterium ; Soil fungi ; Wildfire ; Soils ; bacterium ; biochemistry ; chemical property ; community composition ; ecological impact ; forest fire ; forest soil ; fungus ; microbial community ; physical property ; soil microorganism ; soil nutrient ; soil property ; wildfire ; Cascade Range ; Oregon ; United States ; Bacteria (microorganisms) ; Fungi
英文摘要: Fire may remove or create dead wood aboveground, but it is less clear how high severity burning of soils affects belowground microbial communities and soil processes, and for how long. In this study, we investigated soil fungal and bacterial communities and biogeochemical responses of severely burned “red” soil and less severely burned “black” soil from a burned forest on the eastern slope of the Cascade Range in Oregon. Specifically, we examined the effects of burn severity on soil nutrients and microbial communities for 1–4 years after wildfire. Soil nutrients were significantly reduced in red soils. Soil fungi and bacteria, assessed with molecular methods, steadily colonized both burn severities and soil biodiversity increased throughout the study showing that microbial communities seem to have the capacity to quickly adjust to extreme disturbances. Although richness did not vary by soil type, the fungal and bacterial community compositions varied with burn severity. This difference was greatest in the early time points following the fire and decreased with time. However, nutrient-limited conditions of red soils were detected for four years after the wildfire and raise concern about soil productivity at these sites. © 2017
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/64434
Appears in Collections:影响、适应和脆弱性

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作者单位: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station, Forestry Sciences Laboratory, 3200 Jefferson Way, Corvallis, OR, United States; Biosciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, United States; Pacific Analytics LLC, Scio, OR, United States; Department of Crop and Soil Science, Oregon State University, Corvallis, OR, United States

Recommended Citation:
Smith J.E.,Kluber L.A.,Jennings T.N.,et al. Does the presence of large down wood at the time of a forest fire impact soil recovery?[J]. Forest Ecology and Management,2017-01-01,391
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