单词 | megavertebrate |
释义 | > as lemmasmegavertebrate megavertebrate n. Brit. /ˈmɛɡəˌvəːtᵻbrət/ , /ˈmɛɡəˌvəːtᵻbreɪt/ , U.S. /ˈmɛɡəˌvərdəbrət/ , /ˈmɛɡəˌvərdəˌbreɪt/ ΚΠ 1984 H. A. Semken Contrib. Quaternary Vertebr. Paleont. (Carnegie Mus. Nat. Hist. Special Publ.) 426/2 If the traditional biostratigraphic concept of megavertebrate extinction is used, the Pleistocene/Holocene boundary in the Peccary Cave sequence, is best placed. 1991 Sci. Amer. Oct. 14/1 The top predators in an ecosystem usually meet that criterion [i.e. that used to identify keystone species], so saving ‘charismatic megavertebrates’ like gray wolves would make good sense, Pimm says. < as lemmas |
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