Stressor richness intensifies productivity loss but mitigates biodiversity loss

Abstract Ecosystems are subject to a multitude of anthropogenic environmental changes. Experimental research in the field of multiple stressors has typically involved varying the number of stressors, here termed stressor richness, but without controlling for total stressor intensity. Mistaking stres...

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Autores principales:	Mark Holmes, Jurg Werner Spaak, Frederik De Laender
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	community ecology ecosystems multiple stressors theoretical ecology traits Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/5d88dfd9949f420d981f078b6f81c8f0
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id	oai:doaj.org-article:5d88dfd9949f420d981f078b6f81c8f0
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spelling	oai:doaj.org-article:5d88dfd9949f420d981f078b6f81c8f02021-11-08T17:10:41ZStressor richness intensifies productivity loss but mitigates biodiversity loss2045-775810.1002/ece3.8182https://doaj.org/article/5d88dfd9949f420d981f078b6f81c8f02021-11-01T00:00:00Zhttps://doi.org/10.1002/ece3.8182https://doaj.org/toc/2045-7758Abstract Ecosystems are subject to a multitude of anthropogenic environmental changes. Experimental research in the field of multiple stressors has typically involved varying the number of stressors, here termed stressor richness, but without controlling for total stressor intensity. Mistaking stressor intensity effects for stressor richness effects can misinform management decisions when there is a trade‐off between mitigating these two factors. We incorporate multiple stressors into three community models and show that, at a fixed total stressor intensity, increasing stressor richness aggravates joint stressor effects on ecosystem functioning, but reduces effects on species persistence and composition. In addition, stressor richness weakens the positive selection and negative complementarity effects on ecosystem function. We identify the among‐species variation of stressor effects on traits as a key determinant of the resulting community‐level stressor effects. Taken together, our results unravel the mechanisms linking multiple environmental changes to biodiversity and ecosystem function.Mark HolmesJurg Werner SpaakFrederik De LaenderWileyarticlecommunity ecologyecosystemsmultiple stressorstheoretical ecologytraitsEcologyQH540-549.5ENEcology and Evolution, Vol 11, Iss 21, Pp 14977-14987 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	community ecology ecosystems multiple stressors theoretical ecology traits Ecology QH540-549.5
spellingShingle	community ecology ecosystems multiple stressors theoretical ecology traits Ecology QH540-549.5 Mark Holmes Jurg Werner Spaak Frederik De Laender Stressor richness intensifies productivity loss but mitigates biodiversity loss
description	Abstract Ecosystems are subject to a multitude of anthropogenic environmental changes. Experimental research in the field of multiple stressors has typically involved varying the number of stressors, here termed stressor richness, but without controlling for total stressor intensity. Mistaking stressor intensity effects for stressor richness effects can misinform management decisions when there is a trade‐off between mitigating these two factors. We incorporate multiple stressors into three community models and show that, at a fixed total stressor intensity, increasing stressor richness aggravates joint stressor effects on ecosystem functioning, but reduces effects on species persistence and composition. In addition, stressor richness weakens the positive selection and negative complementarity effects on ecosystem function. We identify the among‐species variation of stressor effects on traits as a key determinant of the resulting community‐level stressor effects. Taken together, our results unravel the mechanisms linking multiple environmental changes to biodiversity and ecosystem function.
format	article
author	Mark Holmes Jurg Werner Spaak Frederik De Laender
author_facet	Mark Holmes Jurg Werner Spaak Frederik De Laender
author_sort	Mark Holmes
title	Stressor richness intensifies productivity loss but mitigates biodiversity loss
title_short	Stressor richness intensifies productivity loss but mitigates biodiversity loss
title_full	Stressor richness intensifies productivity loss but mitigates biodiversity loss
title_fullStr	Stressor richness intensifies productivity loss but mitigates biodiversity loss
title_full_unstemmed	Stressor richness intensifies productivity loss but mitigates biodiversity loss
title_sort	stressor richness intensifies productivity loss but mitigates biodiversity loss
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/5d88dfd9949f420d981f078b6f81c8f0
work_keys_str_mv	AT markholmes stressorrichnessintensifiesproductivitylossbutmitigatesbiodiversityloss AT jurgwernerspaak stressorrichnessintensifiesproductivitylossbutmitigatesbiodiversityloss AT frederikdelaender stressorrichnessintensifiesproductivitylossbutmitigatesbiodiversityloss
_version_	1718441477773721600

Stressor richness intensifies productivity loss but mitigates biodiversity loss

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