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单词 endemism
释义 endemism|ˈɛndɪmɪz(ə)m|
[f. endemic + -ism.]
The character or quality of being endemic; spec. of a plant or animal species, the state or condition of being indigenous only in a specified area.
1886Encycl. Brit. XX. 126/1 In their fauna also the Pyrenees present some striking instances of endemism.1905F. E. Clements Res. Methods Ecol. iv. 228 The primary causes of endemism are two, lack of migration and presence of barrier... Endemism is readily recognized by methods of distributional statistics, applied to areas limited by natural barriers to migration.1931Nature 7 Mar. 338 The endemism is tremendous, and the fauna has the aspect of great antiquity.1951Jrnl. Ecol. XXXIX. 88 One of the most striking features of chasmophyte communities is the restricted distribution of their constituents; endemism is the rule.
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