globalchange  > 气候变化与战略
DOI: 10.1111/ele.13775
论文题名:
Avoiding artifacts when varying the number of species in ecological models
作者: Moisset de Espanés P.; Ramos-Jiliberto R.; Soto J.A.
刊名: Ecology Letters
ISSN: 1461023X
出版年: 2021
卷: 24, 期:9
起始页码: 1976
结束页码: 1987
语种: 英语
中文关键词: adaptive behavior ; biodiversity–ecosystem functioning ; complexity–stability relation ; ecological modeling ; ecological networks
英文摘要: Ecological theory recognizes the importance of the variety of species for maintaining the functioning of ecosystems and their derived services. We assert that when studying the effects of shifts in biodiversity levels using mathematical models, their dynamics must be sensitive to the variety of species traits but not to raw species numbers, a property that we call order–invariance. We present a testing procedure for verifying order–invariance of ecological network models —with or without trait adaptation— expressed as ODEs. Furthermore, we applied our test to several influential models used for evaluating biodiversity effects on ecosystem functioning. In most of the surveyed studies the equations failed our test. This raises doubts about the validity of previous results and calls for revisiting the theory derived from these studies. Our results foster the creation of artifact–free models, a necessary step towards building a more robust theory of biodiversity–driven ecosystem functioning. © 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/166889
Appears in Collections:气候变化与战略

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作者单位: Centro de Biotecnología y Bioingeniería, Universidad de Chile, Santiago de Chile, Chile; GEMA Center for Genomics, Ecology & Environment, Faculty of Interdisciplinary Studies, Universidad Mayor, Santiago, Chile; Centro de Modelamiento Matemático, FCFM, IRL 2807 CNRS, Universidad de Chile, Santiago de Chile, Chile; Departamento de Ingeniería Matemática, FCFM, Universidad de Chile, Santiago de Chile, Chile

Recommended Citation:
Moisset de Espanés P.,Ramos-Jiliberto R.,Soto J.A.. Avoiding artifacts when varying the number of species in ecological models[J]. Ecology Letters,2021-01-01,24(9)
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