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Biodiversity, Urban Areas, and Agriculture: Locating Priority Ecoregions for Conservation Ecology and Society
Ricketts, Taylor; World Wildlife Fund; taylor.ricketts@wwfus.org; Imhoff, Marc; NASA's Goddard Space Flight Center; mimhoff@LTPmail.gsfc.nasa.gov.
Urbanization and agriculture are two of the most important threats to biodiversity worldwide. The intensities of these land-use phenomena, however, as well as levels of biodiversity itself, differ widely among regions. Thus, there is a need to develop a quick but rigorous method of identifying where high levels of human threats and biodiversity coincide. These areas are clear priorities for biodiversity conservation. In this study, we combine distribution data for eight major plant and animal taxa (comprising over 20,000 species) with remotely sensed measures of urban and agricultural land use to assess conservation priorities among 76 terrestrial ecoregions in North America. We combine the species data into overall indices of richness and endemism. We...
Tipo: Peer-Reviewed Reports Palavras-chave: North America; Agriculture; Biodiversity; Conservation; Conservation priorities; Ecoregions; Endemism; Human land use; Species richness; Threats to biodiversity; Urbanization.
Ano: 2003
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