globalchange  > 气候变化与战略
DOI: 10.1111/gcb.14952
论文题名:
Drivers of long-term invertebrate community stability in changing Swedish lakes
作者: Fried-Petersen H.B.; Araya-Ajoy Y.G.; Futter M.N.; Angeler D.G.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2020
卷: 26, 期:3
语种: 英语
英文关键词: aquatic invertebrates ; heterogeneous residuals ; lakes ; landscape ecology ; spatial ecology ; stability ; time series
Scopus关键词: aquatic community ; community composition ; environmental change ; lake ecosystem ; landscape ecology ; macroinvertebrate ; spatial variation ; time series ; Sweden ; Invertebrata
英文摘要: Research on ecosystem stability has had a strong focus on local systems. However, environmental change often occurs slowly at broad spatial scales, which requires regional-level assessments of long-term stability. In this study, we assess the stability of macroinvertebrate communities across 105 lakes in the Swedish “lakescape.” Using a hierarchical mixed-model approach, we first evaluate the environmental pressures affecting invertebrate communities in two ecoregions (north, south) using a 23 year time series (1995–2017) and then examine how a set of environmental and physical variables affect the stability of these communities. Results show that lake latitude, size, total phosphorus and alkalinity affect community composition in northern and southern lakes. We find that lake stability is affected by species richness and lake size in both ecoregions and alkalinity and total phosphorus in northern lakes. There is large heterogeneity in the patterns of community stability of individual lakes, but relationships between that stability and environmental drivers begin to emerge when the lakescape, composed of many discrete lakes, is the focal unit of study. The results of this study highlight that broad-scale comparisons in combination with long time series are essential to understand the effects of environmental change on the stability of lake communities in space and time. © 2019 The Authors. Global Change Biology published by 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/158919
Appears in Collections:气候变化与战略

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作者单位: Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden; Centre for Biodiversity Dynamics, Norwegian University of Science and Technology, Trondheim, Norway; School of Natural Resources, University of Nebraska – Lincoln, Lincoln, NE, United States

Recommended Citation:
Fried-Petersen H.B.,Araya-Ajoy Y.G.,Futter M.N.,et al. Drivers of long-term invertebrate community stability in changing Swedish lakes[J]. Global Change Biology,2020-01-01,26(3)
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