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单词 ecotype
释义 ecotype Ecology.|ˈiːkəʊtaɪp|
[f. eco- as in ecology + type n.1]
A subdivision of an ecospecies the members of which are the product of genotypical adaptation to a particular habitat.
1922G. Turesson in Hereditas III. 112 The term ecotype is proposed here as ecological unit to cover the product arising as a result of the genotypical response of an ecospecies to a particular habitat. The ecotypes are then the ecological sub-units of the ecospecies.1949W. C. Allee et al. Princ. Animal Ecol. v. xxxiv. 674/2 The interbreeding population would indicate either a hybridization between the river and cave forms, or that the cave form is an ecotype (ecological sub-species) of the river form.1949Q. Jrnl. Forestry XLIII. 88 The new concept of ecotypes—races of species adapted to various environments—which the ecologists claim to distinguish although taxonomists cannot discern any constant structural differences between them.1959E. P. Odum Fund. Ecol. (ed. 2) i. iv. 144 If marked ecotypes exist, the occurrence of the same series of taxa in different localities does not necessarily mean that the same conditions exist.
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