Author:
Corbalán Valeria,Ojeda Ricardo
Abstract
The coexistence of desert small mammals can be explained by differences in microhabitat use, morphology, body size, diet and foraging. The aim of this study was to quantify the structure of small mammal assemblages and the seasonal fluctuations in their abundance using mark – recapture techniques in habitats of different structural heterogeneity (mesquite forest, creosotebush community, and sand dunes) in the temperate Monte desert of Argentina. Habitat heterogeneity was characterised by 10 vegetation variables. The mesquite forest and the creosotebush community showed the highest diversity and habitat heterogeneity. The relative abundance of each species underwent remarkable variations between habitats. The sigmodontinae rodents
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
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2. In comparing the number of individuals of each species among habitats we found that A molinae Corbalán TABLE Analysis of deviance showing the parameters of the fitted model and the percentage of explained deviance;Ojeda;MAMMALIA,2004
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