2018
DOI: 10.1111/ecog.03558
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Abundance of small mammals correlates with their elevational range sizes and elevational distributions in the subtropics

Abstract: The idea that a positive abundance-range size relationship (ARR) is pervasive in nature has been challenged by recent studies focused on montane and island vertebrate assemblages. However, because some of these studies used species' local abundance and regional or global range size in examining the ARRs, the negative and neutral trends reported are questionable. Here, by relating species' mean abundance along elevational gradients to elevational range size, we examined the ARRs of non-flying small mammals on t… Show more

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Cited by 18 publications
(33 citation statements)
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“…In this study, we deconstructed the biodiversity gradient by taxonomic group and distribution range scale and assessed the drivers of biodiversity in the Wuling Mountains. In general, the elevation patterns of TD for all small mammal groups (all, Rodentia, Eulipotyphla, broad‐range and narrow‐range species) were hump‐shaped, consistent with the findings of most previous elevation diversity studies of small mammals (Hu et al., 2017; Rowe, 2009; Shuai, Ren, Yan, Song, & Zeng, 2017; Wen et al., 2018). Hump‐shaped patterns seem to be the dominant patterns along mountain slopes.…”
Section: Discussionsupporting
confidence: 88%
“…In this study, we deconstructed the biodiversity gradient by taxonomic group and distribution range scale and assessed the drivers of biodiversity in the Wuling Mountains. In general, the elevation patterns of TD for all small mammal groups (all, Rodentia, Eulipotyphla, broad‐range and narrow‐range species) were hump‐shaped, consistent with the findings of most previous elevation diversity studies of small mammals (Hu et al., 2017; Rowe, 2009; Shuai, Ren, Yan, Song, & Zeng, 2017; Wen et al., 2018). Hump‐shaped patterns seem to be the dominant patterns along mountain slopes.…”
Section: Discussionsupporting
confidence: 88%
“…the midpoint between observed upper and lower range limits) should be highly consistent with the elevation site where the species had the highest relative abundance (i.e. abundance‐weighted range centre; Menéndez et al., 2014; Wen, Wu, et al., 2018). To test this prediction, we calculated the species abundance‐weighted range centre:m.nEiPitalicai,where m.n represent the elevation sites occupied by species a , E i represents the elevation (m) of elevational site i , and P ai represents the ratio of individuals of species a collected at site i to the total number of its individuals collected across the elevational gradient.…”
Section: Methodssupporting
confidence: 63%
“…Surprisingly, we found a positive correlation between size and predation risk in most cases (Table ). This relationship might be an indirect response to reduced prey species abundance at lower altitudes (Fu et al, ; Wen et al, ), which leads to relaxed competition for food (Heaney, ). Notably, our conclusions are derived from a coarse‐grained approach using species' ranges to predict local predator richness.…”
Section: Discussionmentioning
confidence: 99%
“…Detailed descriptions of the sampling protocols can be found in Wu et al (2013) and Wen et al (2018). This unique database includes specimens of small mammals systematically collected from several mountains in China.…”
Section: Ecological Parametersmentioning
confidence: 99%