Definition of "endemism" [endemism]

• The state of being endemic (noun)

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• "The hotspot has about 250 species of fish (nearly half of which are endemic) in 54 families, with seven endemic genera; endemism is centered around the Magdalena and Atrata valleys."
• "Although endemism is not considered high in this region, it is estimated that it has high alpha diversity, meaning a high wealth of species within a particular locality."
• "Overall, endemism is quite high in this hotspot because of extensive speciation among several groups of plants, most notably the epiphytes, suggesting that the region was the location of plant refugia during Pleistocene glaciations."