Decomposing multiple dimensions of stability in global change experiments

Ecological stability is the central framework to understand an ecosystem's ability to absorb or recover from environmental change. Recent modelling and conceptual work suggests that stability is a multidimensional construct comprising different response aspects. Using two freshwater mesocosm ex...

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Vydané v:Ecology letters Ročník 21; číslo 1; s. 21 - 30
Hlavní autori: Hillebrand, Helmut, Langenheder, Silke, Lebret, Karen, Lindström, Eva, Östman, Örjan, Striebel, Maren, O'Connor, Mary
Médium: Journal Article
Jazyk:English
Vydavateľské údaje: England Blackwell Publishing Ltd 01.01.2018
Predmet:
Biodiversity
Biomass
biomass production
case studies
Communities
Community composition
community structure
Composition
Decomposition
Ecological function
Ecology
Ecosystem
Ecosystem functions
Ecosystems
Ekologi
Environment models
Environmental changes
Fluctuations
freshwater
global change
Recovery
Resilience
Resistance
Species composition
species diversity
Stability
ecosystem functions
biomass
composition
fluctuations
recovery
Biodiversity
resilience
resistance
ISSN:1461-023X, 1461-0248, 1461-0248
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Popis
Shrnutí:Ecological stability is the central framework to understand an ecosystem's ability to absorb or recover from environmental change. Recent modelling and conceptual work suggests that stability is a multidimensional construct comprising different response aspects. Using two freshwater mesocosm experiments as case studies, we show how the response to single perturbations can be decomposed in different stability aspects (resistance, resilience, recovery, temporal stability) for both ecosystem functions and community composition. We find that extended community recovery is tightly connected to a nearly complete recovery of the function (biomass production), whereas systems with incomplete recovery of the species composition ranged widely in their biomass compared to controls. Moreover, recovery was most complete when either resistance or resilience was high, the latter associated with low temporal stability around the recovery trend. In summary, no single aspect of stability was sufficient to reflect the overall stability of the system.
Bibliografia:ObjectType-Article-1
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ISSN:1461-023X
1461-0248
1461-0248
DOI:10.1111/ele.12867