Abundance, species richness and energy availability in the North American avifauna

Karl L. Evans, Neil A. James, Kevin J. Gaston

Research output: Contribution to journalArticle

97 Citations (Scopus)

Abstract

To determine how species richness, abundance, biomass, energy use and mean number of individuals per species scale with environmental energy availability in wintering and breeding avian assemblages, and to contrast assemblages of (i) common and rare species and (ii) breeding residents and migrants. To assess whether such patterns are compatible with the ‘more individuals hypothesis’ (MIH) that high-energy areas are species-rich because they support larger populations that are buffered against extinction.
Original languageEnglish
Pages (from-to)372-385
JournalGLOBAL ECOLOGY AND BIOGEOGRAPHY
Volume15
Issue number4
DOIs
Publication statusPublished - 1 Jul 2006

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