globalchange  > 气候减缓与适应
DOI: 10.1111/ele.12896
Scopus记录号: 2-s2.0-85040036280
论文题名:
The phosphorus-rich signature of fire in the soil–plant system: a global meta-analysis
作者: Butler O.M.; Elser J.J.; Lewis T.; Mackey B.; Chen C.
刊名: Ecology Letters
ISSN: 1461023X
EISSN: 1461-0248
出版年: 2018
卷: 21, 期:3
起始页码: 335
结束页码: 344
语种: 英语
英文关键词: biogeochemistry ; burning ; ecosystem decline ; fractionation ; nutrient limitation ; pedogenesis ; stoichiometry ; succession
英文摘要: The biogeochemical and stoichiometric signature of vegetation fire may influence post-fire ecosystem characteristics and the evolution of plant ‘fire traits’. Phosphorus (P), a potentially limiting nutrient in many fire-prone environments, might be particularly important in this context; however, the effects of fire on P cycling often vary widely. We conducted a global-scale meta-analysis using data from 174 soil studies and 39 litter studies, and found that fire led to significantly higher concentrations of soil mineral P as well as significantly lower soil and litter carbon:P and nitrogen:P ratios. These results demonstrate that fire has a P-rich signature in the soil–plant system that varies with vegetation type. Further, they suggest that burning can ease P limitation and decouple the biogeochemical cycling of P, carbon and nitrogen. These effects resemble a transient reversion to an earlier stage of ecosystem development, and likely underpin at least some of fire's impacts on ecosystems and organisms. © 2018 John Wiley & Sons Ltd/CNRS
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/107490
Appears in Collections:气候减缓与适应

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作者单位: Australian Rivers Institute and Griffith School of Environment, Griffith University, Nathan, QLD, Australia; Flathead Lake Biological Station, University of Montana, Polson, MT, United States; Department of Agriculture and Fisheries, University of the Sunshine Coast, Sippy Downs, QLD, Australia; Griffith Climate Change Response Program, Griffith University, Gold Coast, QLD, Australia

Recommended Citation:
Butler O.M.,Elser J.J.,Lewis T.,et al. The phosphorus-rich signature of fire in the soil–plant system: a global meta-analysis[J]. Ecology Letters,2018-01-01,21(3)
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