globalchange  > 气候变化与战略
DOI: 10.1111/ele.13741
论文题名:
Direct and indirect disturbance impacts in forests
作者: Bowd E.J.; Banks S.C.; Bissett A.; May T.W.; Lindenmayer D.B.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:6
起始页码: 1225
结束页码: 1236
语种: 英语
中文关键词: Forest ; interactions ; logging ; microbial ; SEM ; soil ; wildfire
英文关键词: ecosystem ; fire ; forest ; human ; soil ; wildfire ; Ecosystem ; Fires ; Forests ; Humans ; Soil ; Wildfires
英文摘要: Human and natural disturbances are key drivers of change in forest ecosystems. Yet, the direct and indirect mechanisms which underpin these changes remain poorly understood at the ecosystem level. Here, using structural equation modelling across a 150+ year chronosequence, we disentangle the direct and indirect effects of major disturbances in a temperate forest ecosystem. We show that wildfires, logging and post-fire (salvage) logging can affect plant and microbial communities and abiotic soil properties both directly and indirectly through plant–soil–microbial interactions. We quantified 68 direct and indirect disturbance effects across these components, with the majority resulting in ecosystem-wide adverse effects. Indirect disturbance effects accounted for 43% of total disturbance effects, with some amplifying or partially mitigating direct disturbance effects. Overall, human disturbances were associated with more negative effects than natural disturbances. Our analyses provide novel insights into the multifaceted dynamics of forest disturbances and the mechanisms which underpin their relative impacts. © 2021 John Wiley & Sons Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/166783
Appears in Collections:气候变化与战略

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作者单位: Fenner School of Environment and Society, The Australian National University, Canberra, ACT 2601, Australia; Research Institute for Environment and Livelihoods, College of Engineering, IT and the Environment, Charles Darwin University, Darwin, NT 0909, Australia; The Commonwealth Scientific and Industrial Research Organization, CSIRO Oceans and Atmosphere, Hobart, TAS 700, Australia; Royal Botanic Gardens Victoria, Birdwood Ave, Melbourne, VIC 3004, Australia

Recommended Citation:
Bowd E.J.,Banks S.C.,Bissett A.,et al. Direct and indirect disturbance impacts in forests[J]. Ecology Letters,2021-01-01,24(6)
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