Components of the chitty effect

Components of the chitty effect ISSN 10674136, Russian Journal of Ecology, 2011, Vol. 42, No. 6, pp. 529–531. © Pleiades Publishing, Ltd., 2011. Original Russian Text © M.I. Cheprakov, 2011, published in Ekologiya, 2011, No. 6, pp. 478–480. SHORT COMMUNICATIONS M. I. Cheprakov Institute of Plant and Animal Ecology, Ural Branch, Russian Academy of Sciences, ul. Vos’mogo Marts 202, Yekaterinburg, 6201444 Russia; email: Received November 8, 2011 Keywords: body mass, Chitty effect, population density, phases of animal numbers. DOI: 10.1134/S1067413611060051 In order to determine densitydependent effects, Phaserelated changes in the body mass are known changes in the body mass depending on the population as the Chitty effect (Boonstra and Krebs, 1979). size were studied in a local population of the bank vole Numerous hypotheses have been put forward to (Myodes glareolus Schreber, 1780) in southern taiga explain this phenomenon (Chitty, 1967; Hansson and (57°15′N, 58°44′E). The population was found in a Jaarola, 1989; Lidicker and Ostfeld, 1991; Wolff, 1993; semiisolated forest plot about 12 ha in area. To esti Yoccoz and Mesnager, 1998; Oli and Dobson, 1999; mate the abundance, the capture rate indices per Sundell and Norrdahl, 2002). Originally, it was 100 trap–days (td) for the first two days of trapping assumed Russian Journal of Ecology Springer Journals

Components of the chitty effect

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SP MAIK Nauka/Interperiodica
Copyright © 2011 by Pleiades Publishing, Ltd.
Life Sciences; Environment, general; Ecology
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