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DatoValore
TitleExploring the Interplay Between Local and Regional Drivers of Distribution of a Subterranean Organism
AbstractCaves are excellent model systems to study the effects of abiotic factors on species distributions due to their selective conditions. Different ecological factors have been shown to affect species distribution depending on the scale of analysis, whether regional or local. The interplay between local and regional factors in explaining the spatial distribution of cave-dwelling organisms is poorly understood. Using the troglophilic subterranean spider Artema nephilit (Araneae: Pholcidae) as a model organism, we investigated whether similar environmental predictors drive the species distribution at these two spatial scales. At the local scale, we monitored the abundance of the spiders and measured relevant environmental features in 33 caves along the Jordan Rift Valley. We then extended the analysis to a regional scale, investigating the drivers of the distribution using species distribution models. We found that similar ecological factors determined the distribution at both local and regional scales for A. nephilit. At a local scale, the species was found to preferentially occupy the outermost, illuminated, and warmer sectors of caves. Similarly, mean annual temperature, annual temperature range, and solar radiation were the most important drivers of its regional distribution. By investigating these two spatial scales simultaneously, we showed that it was possible to achieve an in-depth understanding of the environmental conditions that governs subterranean species distribution.
SourceDiversity (Basel, Online) 11 (8)
KeywordsAraneaedistributionLevantlocal scaleregional scaleecological niche modelingsubterranean troglophile
JournalDiversity (Basel, Online)
EditorMDPI,, Basel,
Year2019
TypeArticolo in rivista
DOI10.3390/d11080119
AuthorsMammola, Stefano; Aharon, Shlomi; Seifan, Merav; Lubin, Yael; Gavish-Regev, Efrat
Text412020 2019 10.3390/d11080119 ISI Web of Science WOS 000482961700009 Araneae distribution Levant local scale regional scale ecological niche modeling subterranean troglophile Exploring the Interplay Between Local and Regional Drivers of Distribution of a Subterranean Organism Mammola, Stefano; Aharon, Shlomi; Seifan, Merav; Lubin, Yael; Gavish Regev, Efrat Univ Turin; Univ Helsinki; Ben Gurion Univ Negev; Hebrew Univ Jerusalem Caves are excellent model systems to study the effects of abiotic factors on species distributions due to their selective conditions. Different ecological factors have been shown to affect species distribution depending on the scale of analysis, whether regional or local. The interplay between local and regional factors in explaining the spatial distribution of cave dwelling organisms is poorly understood. Using the troglophilic subterranean spider Artema nephilit Araneae Pholcidae as a model organism, we investigated whether similar environmental predictors drive the species distribution at these two spatial scales. At the local scale, we monitored the abundance of the spiders and measured relevant environmental features in 33 caves along the Jordan Rift Valley. We then extended the analysis to a regional scale, investigating the drivers of the distribution using species distribution models. We found that similar ecological factors determined the distribution at both local and regional scales for A. nephilit. At a local scale, the species was found to preferentially occupy the outermost, illuminated, and warmer sectors of caves. Similarly, mean annual temperature, annual temperature range, and solar radiation were the most important drivers of its regional distribution. By investigating these two spatial scales simultaneously, we showed that it was possible to achieve an in depth understanding of the environmental conditions that governs subterranean species distribution. 11 Published version Mammola et al. 2019 Diversity MAMMOLA ET AL. 2019 Diversity.pdf Articolo in rivista MDPI, 1424 2818 Diversity Basel, Online Diversity Basel, Online Diversity Basel, Online Diversity. Basel, Online stefano.mammola MAMMOLA STEFANO