Bergmann's rule in shrews: geographical variation of body size in Palearctic Sorex species
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چکیده
منابع مشابه
Bergmanns rule in mammals: a cross-species interspecific pattern
Although Bergmann’s rule – stating that among closely related species, the bigger ones will inhabit the colder climates/higher latitudes – was formulated for inter-specific comparisons, most analyses that tested this pattern in mammals were on an intra-specific level. To date, no large-scale taxonomydriven cross-species evaluation of the pattern predicted by Bergmann exists. Here we show, in a ...
متن کاملBergmanns rule in mammals: a cross-species interspecific pattern
Although Bergmann’s rule – stating that among closely related species, the bigger ones will inhabit the colder climates/higher latitudes – was formulated for inter-specific comparisons, most analyses that tested this pattern in mammals were on an intra-specific level. To date, no large-scale taxonomydriven cross-species evaluation of the pattern predicted by Bergmann exists. Here we show, in a ...
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Allen's rule proposes that the appendages of endotherms are smaller, relative to body size, in colder climates, in order to reduce heat loss. Empirical support for Allen's rule is mainly derived from occasional reports of geographical clines in extremity size of individual species. Interspecific evidence is restricted to two studies of leg proportions in seabirds and shorebirds. We used phyloge...
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Interand intra-specific variations in cytochrome b (Cytb) sequence were assessed in 22 specimens of Sorex palustris Richardson, 1828 and 6 specimens of Sorex bendirii (Merriam, 1884) from 20 locations in western North America. Phylogenetic analyses revealed three distinct clades: Boreal (S. p. palustris), Cordilleran (S. p. brooksi, S. p. navigator), and Coastal (S. b. palmeri, S. b. bendirii)....
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The presence of haemoparasites belonging to the taxa Anaplasma, Bartonella and Trypanosoma was determined among 76 common shrews (Sorex araneus) from Northwest England. Anaplasma phagocytophilum DNA was recovered from the blood of 1 shrew (1.3%), with the amplified 16S rRNA sequence identical to one previously reported from a bank vole (Clethrionomys glareolus). Trypanosoma spp. DNA was detecte...
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ژورنال
عنوان ژورنال: Biological Journal of the Linnean Society
سال: 2003
ISSN: 0024-4066,1095-8312
DOI: 10.1046/j.1095-8312.2003.00150.x