Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist Predator

The ongoing climate change and the unprecedented rate of biodiversity loss render the need to accurately project future species distributional patterns more critical than ever. Mounting evidence suggests that not only abiotic factors, but also biotic interactions drive broad-scale distributional pat...

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Main Authors: Danai-Eleni Michailidou, Maria Lazarina, Stefanos P. Sgardelis
Format: Article
Language:English
Published: MDPI AG 2021-04-01
Series:Diversity
Subjects:
Online Access:https://www.mdpi.com/1424-2818/13/4/169
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author Danai-Eleni Michailidou
Maria Lazarina
Stefanos P. Sgardelis
author_facet Danai-Eleni Michailidou
Maria Lazarina
Stefanos P. Sgardelis
author_sort Danai-Eleni Michailidou
collection DOAJ
description The ongoing climate change and the unprecedented rate of biodiversity loss render the need to accurately project future species distributional patterns more critical than ever. Mounting evidence suggests that not only abiotic factors, but also biotic interactions drive broad-scale distributional patterns. Here, we explored the effect of predator-prey interaction on the predator distribution, using as target species the widespread and generalist grass snake (<i>Natrix natrix</i>). We used ensemble Species Distribution Modeling (SDM) to build a model only with abiotic variables (abiotic model) and a biotic one including prey species richness. Then we projected the future grass snake distribution using a modest emission scenario assuming an unhindered and no dispersal scenario. The two models performed equally well, with temperature and prey species richness emerging as the top drivers of species distribution in the abiotic and biotic models, respectively. In the future, a severe range contraction is anticipated in the case of no dispersal, a likely possibility as reptiles are poor dispersers. If the species can disperse freely, an improbable scenario due to habitat loss and fragmentation, it will lose part of its contemporary distribution, but it will expand northwards.
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spelling doaj.art-dc5e5e87a3dd4fe382566fab0b9df7ef2023-11-21T15:43:53ZengMDPI AGDiversity1424-28182021-04-0113416910.3390/d13040169Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist PredatorDanai-Eleni Michailidou0Maria Lazarina1Stefanos P. Sgardelis2Department of Ecology, School of Biology, Aristotle University, 54124 Thessaloniki, GreeceDepartment of Ecology, School of Biology, Aristotle University, 54124 Thessaloniki, GreeceDepartment of Ecology, School of Biology, Aristotle University, 54124 Thessaloniki, GreeceThe ongoing climate change and the unprecedented rate of biodiversity loss render the need to accurately project future species distributional patterns more critical than ever. Mounting evidence suggests that not only abiotic factors, but also biotic interactions drive broad-scale distributional patterns. Here, we explored the effect of predator-prey interaction on the predator distribution, using as target species the widespread and generalist grass snake (<i>Natrix natrix</i>). We used ensemble Species Distribution Modeling (SDM) to build a model only with abiotic variables (abiotic model) and a biotic one including prey species richness. Then we projected the future grass snake distribution using a modest emission scenario assuming an unhindered and no dispersal scenario. The two models performed equally well, with temperature and prey species richness emerging as the top drivers of species distribution in the abiotic and biotic models, respectively. In the future, a severe range contraction is anticipated in the case of no dispersal, a likely possibility as reptiles are poor dispersers. If the species can disperse freely, an improbable scenario due to habitat loss and fragmentation, it will lose part of its contemporary distribution, but it will expand northwards.https://www.mdpi.com/1424-2818/13/4/169biotic interactionsclimate changeprey species richnessspecies distribution models
spellingShingle Danai-Eleni Michailidou
Maria Lazarina
Stefanos P. Sgardelis
Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist Predator
Diversity
biotic interactions
climate change
prey species richness
species distribution models
title Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist Predator
title_full Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist Predator
title_fullStr Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist Predator
title_full_unstemmed Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist Predator
title_short Temperature and Prey Species Richness Drive the Broad-Scale Distribution of a Generalist Predator
title_sort temperature and prey species richness drive the broad scale distribution of a generalist predator
topic biotic interactions
climate change
prey species richness
species distribution models
url https://www.mdpi.com/1424-2818/13/4/169
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AT marialazarina temperatureandpreyspeciesrichnessdrivethebroadscaledistributionofageneralistpredator
AT stefanospsgardelis temperatureandpreyspeciesrichnessdrivethebroadscaledistributionofageneralistpredator