Early successional dynamics of ground beetles (Coleoptera, Carabidae) in the tropical dry forest ecosystem in Colombia

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http://hdl.handle.net/10138/334190

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Maria Ariza , G , Jacome , J , Eduardo Esquivel , H & Kotze , J D 2021 , ' Early successional dynamics of ground beetles (Coleoptera, Carabidae) in the tropical dry forest ecosystem in Colombia ' , ZooKeys , no. 1044 , pp. 877-906 . https://doi.org/10.3897/zookeys.1044.59475

Title: Early successional dynamics of ground beetles (Coleoptera, Carabidae) in the tropical dry forest ecosystem in Colombia
Author: Maria Ariza, Gloria; Jacome, Jorge; Eduardo Esquivel, Hector; Kotze, Johan D.
Contributor: University of Helsinki, Ecosystems and Environment Research Programme
Date: 2021-06-16
Language: eng
Number of pages: 30
Belongs to series: ZooKeys
ISSN: 1313-2989
URI: http://hdl.handle.net/10138/334190
Abstract: Little is known about the successional dynamics of insects in the highly threatened tropical dry forest (TDF) ecosystem. For the first time, we studied the response of carabid beetles to vegetal succession and seasonality in this ecosystem in Colombia. Carabid beetles were collected from three TDF habitat types in two regions in Colombia: initial successional state (pasture), early succession, and intermediate succession (forest). The surveys were performed monthly for 13 months in one of the regions (Armero) and during two months, one in the dry and one in the wet season, in the other region (Cambao). A set of environmen-tal variables were recorded per month at each site. Twenty-four carabid beetle species were collected during the study. Calosoma alternans and Megacephala affinis were the most abundant species, while most species were of low abundance. Forest and pasture beetle assemblages were distinct, while the early succession assemblage overlapped with these assemblages. Canopy cover, litter depth, and soil and air temperatures were important in structuring the assemblages. Even though seasonality did not affect the carabid beetle assemblage, individual species responded positively to the wet season. It is shown that early successional areas in TDF could potentially act as habitat corridors for species to recolonize forest areas, since these successional areas host a number of species that inhabit forests and pastures. Climatic variation, like the El Nino episode during this study, appears to affect the carabid beetle assemblage negatively, exasperating concerns of this already threatened tropical ecosystem.
Subject: Climatic variation
ENSO
environmental variables
natural recovery
seasonality
ASSEMBLAGES COLEOPTERA
COMMUNITY COMPOSITION
HABITAT ASSOCIATIONS
DWELLING ASSEMBLAGES
LEAF-LITTER
BODY-SIZE
DIVERSITY
GRADIENT
ECOLOGY
INSECTS
1181 Ecology, evolutionary biology
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