The contribution of intra- and interspecific tolerance variability to biodiversity changes along toxicity gradients

Frederik De Laender, Carlos J. Melian, Richard Bindler, Paul J. Van den Brink, Michiel Daam, Helene Roussel, Jonas Juselius, Dirk Verschuren, Colin R. Janssen

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

The worldwide distribution of toxicants is an important yet understudied driver of biodiversity, and the mechanisms relating toxicity to diversity have not been adequately explored. Here, we present a community model integrating demography, dispersal and toxicant-induced effects on reproduction driven by intraspecific and interspecific variability in toxicity tolerance. We compare model predictions to 458 species abundance distributions (SADs) observed along concentration gradients of toxicants to show that the best predictions occur when intraspecific variability is five and ten times higher than interspecific variability. At high concentrations, lower settings of intraspecific variability resulted in predictions of community extinction that were not supported by the observed SADs. Subtle but significant species losses at low concentrations were predicted only when intraspecific variability dominated over interspecific variability. Our results propose intraspecific variability as a key driver for biodiversity sustenance in ecosystems challenged by environmental change.

langue originaleAnglais
Pages (de - à)72-81
Nombre de pages10
journalEcology Letters
Volume17
Numéro de publication1
Date de mise en ligne précoce4 nov. 2013
Les DOIs
étatPublié - 1 janv. 2014

Empreinte digitale

tolerance
biodiversity
toxicity
toxic substances
interspecific variation
prediction
demography
biogeography
environmental change
extinction
ecosystem
distribution
intraspecific variation
ecosystems
effect
loss

Citer ceci

De Laender, F., Melian, C. J., Bindler, R., Van den Brink, P. J., Daam, M., Roussel, H., ... Janssen, C. R. (2014). The contribution of intra- and interspecific tolerance variability to biodiversity changes along toxicity gradients. Ecology Letters, 17(1), 72-81. https://doi.org/10.1111/ele.12210
De Laender, Frederik ; Melian, Carlos J. ; Bindler, Richard ; Van den Brink, Paul J. ; Daam, Michiel ; Roussel, Helene ; Juselius, Jonas ; Verschuren, Dirk ; Janssen, Colin R. / The contribution of intra- and interspecific tolerance variability to biodiversity changes along toxicity gradients. Dans: Ecology Letters. 2014 ; Vol 17, Numéro 1. p. 72-81.
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abstract = "The worldwide distribution of toxicants is an important yet understudied driver of biodiversity, and the mechanisms relating toxicity to diversity have not been adequately explored. Here, we present a community model integrating demography, dispersal and toxicant-induced effects on reproduction driven by intraspecific and interspecific variability in toxicity tolerance. We compare model predictions to 458 species abundance distributions (SADs) observed along concentration gradients of toxicants to show that the best predictions occur when intraspecific variability is five and ten times higher than interspecific variability. At high concentrations, lower settings of intraspecific variability resulted in predictions of community extinction that were not supported by the observed SADs. Subtle but significant species losses at low concentrations were predicted only when intraspecific variability dominated over interspecific variability. Our results propose intraspecific variability as a key driver for biodiversity sustenance in ecosystems challenged by environmental change.",
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De Laender, F, Melian, CJ, Bindler, R, Van den Brink, PJ, Daam, M, Roussel, H, Juselius, J, Verschuren, D & Janssen, CR 2014, 'The contribution of intra- and interspecific tolerance variability to biodiversity changes along toxicity gradients', Ecology Letters, VOL. 17, Numéro 1, p. 72-81. https://doi.org/10.1111/ele.12210

The contribution of intra- and interspecific tolerance variability to biodiversity changes along toxicity gradients. / De Laender, Frederik; Melian, Carlos J.; Bindler, Richard; Van den Brink, Paul J.; Daam, Michiel; Roussel, Helene; Juselius, Jonas; Verschuren, Dirk; Janssen, Colin R.

Dans: Ecology Letters, Vol 17, Numéro 1, 01.01.2014, p. 72-81.

Résultats de recherche: Contribution à un journal/une revueArticle

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AU - De Laender, Frederik

AU - Melian, Carlos J.

AU - Bindler, Richard

AU - Van den Brink, Paul J.

AU - Daam, Michiel

AU - Roussel, Helene

AU - Juselius, Jonas

AU - Verschuren, Dirk

AU - Janssen, Colin R.

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AB - The worldwide distribution of toxicants is an important yet understudied driver of biodiversity, and the mechanisms relating toxicity to diversity have not been adequately explored. Here, we present a community model integrating demography, dispersal and toxicant-induced effects on reproduction driven by intraspecific and interspecific variability in toxicity tolerance. We compare model predictions to 458 species abundance distributions (SADs) observed along concentration gradients of toxicants to show that the best predictions occur when intraspecific variability is five and ten times higher than interspecific variability. At high concentrations, lower settings of intraspecific variability resulted in predictions of community extinction that were not supported by the observed SADs. Subtle but significant species losses at low concentrations were predicted only when intraspecific variability dominated over interspecific variability. Our results propose intraspecific variability as a key driver for biodiversity sustenance in ecosystems challenged by environmental change.

KW - Community ecology

KW - Dispersal limitation

KW - Metals

KW - Model inference

KW - Pesticides

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