| 单词 | trophic level |
| 释义 | > as lemmastrophic level trophic level a level within a food chain. ΘΚΠ the world > life > biology > balance of nature > organisms in interrelationship > [noun] > food chain food cycle1881 food chain1920 food web1932 trophic level1942 trophic chain1946 1942 Ecology 23 407/2 Food-cycles rarely have more than five trophic levels. 1976 T. C. Emmel Population Biol. i. 21 The first trophic level in ecosystems is represented by green plants and comprises the producers (or autotrophs). 2007 A. Darby Harpoon iii. 36 At the next trophic level there are pilchards and redbait. < as lemmas |
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