By Mike Joy and Sylvie Mclean Biodiversity is a term that means different things to different people. Its use has exploded with people’s increased appreciation of the magnitude of the decline and the importance of diverse biotas to the human future. Popularly biodiversity is understood as the number of species in a given country or ecosystem. To scientists it is a deeper concept that includes genetic and ecosystem diversity and has crucial components like endemicity (species found nowhere else), native diversity (the proportion of native species) and keystone species (species that are crucial to ecosystem function). There are three main...
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