ISSN 1067-4136, Russian Journal of Ecology, 2016, Vol. 47, No. 3, pp. 315–319. © Pleiades Publishing, Ltd., 2016. Original Russian Text © A.M. Makarov, E.V. Ivanter, 2016, published in Ekologiya, 2016, No. 3, pp. 236–240. SHORT COMMUNICATIONS Dimensional Characteristics of Prey and Their Role in the Diet of Shrews (Sorex L.) A. M. Makarov and E. V. Ivanter Petrozavodsk State University, pr. Lenina 33, Petrozavodsk, 185910 Russia e-mail: email@example.com, firstname.lastname@example.org Received November 22, 2014 Keywords: feeding selectivity, trophic niches, division of resources, harvestmen, coleopterans, shrews DOI: 10.1134/S1067413616030073 Harmonious coexistence within the same territory which small objects are consumed increases (Barnard of various shrew species having similar body sizes sug- and Brown, 1981). However, when the animals are gests that they differ in ecological characteristics. Dif- kept in captivity, it is impossible to consider reliably ferences in the biotopic distribution of coexisting spe- such factors as food availability and competition, cies of the genus Sorex have been considered in many which significantly alter feeding selectivity. publications, but their trophic niches and mechanisms In this paper, we made an attempt to reveal, based for division of food resources are still unclear. on analysis of f ield materials, whether partial prey size
Russian Journal of Ecology – Springer Journals
Published: May 25, 2016
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