Biodiversity in Fluctuating Dry-Land Environments: Basic and Applied Aspects
Biodiversity, the current buzzword mouthed by everyone from vendors of “rainforest” candies to right-wing politicians or propagandists for petroleum corporations, is difficult to define and even more difficult to link to causal mechanisms (Walker 1992). “Preserving biodiversity” means different things to conservation biologists working at different levels of organization, from gene pools or species to landscapes or ecosystems (Soulé 1991; Franklin 1993; Wilcove 1993; Tracy et al. 1994). To scientists working at the level of species assemblages (i.e., community ecologists), preserving biodiversity means trying to maintain the greatest possible proportion of the native species of interest in a given zone, usually within certain taxonomic boundaries with which the scientists feel comfortable.
KeywordsMigration Manifold Petroleum Resi Alba
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