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Original Articles

The influence of habitat type on the population dynamics of ground beetles (Coleoptera: Carabidae) in marshland

Pages 425-438 | Accepted 31 Mar 2010, Published online: 31 May 2013
 

Abstract

This study presents qualitative and quantitative research on communities of ground beetles (Carabidae) occurring in 2001 and 2003 in three types of habitats located near Bydgoszcz city, Poland (UTM CD19), on the Vistula river floodplain: elm and ash riparian forest (RF), poplar monoculture (P), and unintensively-farmed meadows (M). During both studied years 57 species of ground beetles were found in riparian forests (RF), 56 species in plot P and 47 in plot M. In 2001 from all sample plots 3845 beetles were collected; in 2003- 9589. In both years most specimens came from plot RF (3123 in 2001 and 6224 in 2003). From plot P 2656 specimens of ground beetles were collected and from plot M 1430 specimens. Statistically significant differences were found in the abundance of Carabidae, among sampling areas and the years of study.

Résumé

Influence du type d’habitat sur la dynamique des populations de carabes (Coleoptera : Carabidae) de terrain marécageux. Cette étude présente les recherches qualitatives et quantitatives sur les carabes menées en 2001 et 2003 dans trois types d’habitats près de Bydgoszcz (Pologne, UTM CD 19), dans le talweg de la Vistule : forêt ripicole d’ormes et de frênes (RF), monoculture de peupliers (P) et prairie extensive (M). Durant ces deux années, 57 espèces de carabes ont été trouvées dans les forêts ripicoles (RF), 56 espèces dans le site P et 47 dans le site M. Dans l’ensemble des sites échantillonnés, 3845 spécimens ont été collectés en 2001, et 9589 en 2003. Les deux années, la plupart des spécimens ont été collectés au site RF (3123 en 2001, 6224 en 2003). Au site P, 2656 spécimens ont été collectés, et 1430 du site M. Il y a des différences statistiquement significatives entre les années d’échantillonnages dans l’abondance des Carabidae des différents sites.

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