Habitat width along a latitudinal gradient

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We use the Chowdhury ecosystem model, one of the most complex agent-based ecological models, to test the latitude-niche breadth hypothesis, with regard to habitat width, i.e., whether tropical species generally have narrower habitats than high latitude ones. Application of the model has given realistic results in previous studies on latitudinal gradients in species diversity and Rapoport's rule. Here we show that tropical species with sufficient vagility and time to spread into adjacent habitats, tend to have wider habitats than high latitude ones, contradicting the latitude-niche breadth hypothesis.
13 pages including all figures, draft for a biology journal

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Populations and Evolution

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http://salesiana.dossiersoluciones.com/handle/123456789/119980

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/q-bio/0612012
 http://arxiv.org/abs/q-bio/0612012

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arXiv