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Showing 1 to 1 of 1 for “"numerical rarity"”.
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Defining rarity and determining the mechanisms of rarity for North American freshwater fishes
… depends on sound information on the nature of rarity. Rarity is multidimensional, presenting the need for a quantitative classification scheme by which to label species as rare or common. I defined rarity for freshwater fishes based on the range extents, habitat breadths, and site abundance and …