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Survival in Fluctuating Bank Vole Populations: Seasonal and Yearly Variations by Laurent Crespin; Ron Verhagen; Nils Chr. Stenseth; Nigel G. Yoccoz; Anne‐Caroline Prévot‐Julliard; Jean‐Dominique Lebreton is a Environmental Science article available to read on EtoBox.

What is Survival in Fluctuating Bank Vole Populations: Seasonal and Yearly Variations about?

For most organisms, both within‐year (i.e. seasonal) and between‐year variations in demography are important components in shaping the population dynamic patterns observed on a multiannual scale. These two sources of variation have, however, rarely been studied simultaneously. Most of the recent work on small rodent population dynamics, for example, has focused on between‐year variation. Densities of seed‐ and fruit‐eating rodents, such as the bank vole (__Clethrionomys glareolus__), are in particular known to have between‐year variation related to seed crop production. Here we report on the analysis of a long‐term (1976–1982) capture‐mark‐recapture (CMR) study of the bank vole in Belgium. The study was done on two grids, an open and a fenced grid. As part of the CMR statistical analysis, we propose a general modelling approach which allows for a detailed understanding of the relative importance of seasonal and between‐year variation in survival. We demonstrate that most of the seasonal variation corresponds to a lower apparent survival in spring compared to the rest of the year. During winter, apparent survival was lower on the open grid than on the fenced grid. Dispersal is there

Who reads Survival in Fluctuating Bank Vole Populations: Seasonal and Yearly Variations?

Author

Laurent Crespin; Ron Verhagen; Nils Chr. Stenseth; Nigel G. Yoccoz; Anne‐Caroline Prévot‐Julliard; Jean‐Dominique Lebreton

Publisher

John Wiley and Sons; Wiley (Blackwell Publishing); Blackwell Publishing Inc.; Wiley; JSTOR (ISSN 0030-1299)

Published

2002

Language

EN

Field

Environmental Science (Physical Sciences)