| 词汇 | biotic-index |
| 释义 | biotic index noun[ C ] environment specializeduk /baɪˌɒt.ɪk ˈɪn.deks/ us /baɪˌɑː.t̬ɪk ˈɪn.deks/ a way of measuring the pollution (= dirty substances) in water, e.g. a river, by counting the organisms in it生物指数 Environmental issues agroecology air pollution anoxia anoxic anti-conservation carbon capture dumping ground eco-audit eco-footprint energy conservation energy security environmental justice environmentalism environmentally reduce, reuse, recycleidiom runoff scrapyard scrubber sequester sequestration Examples of biotic indexbiotic index Bioticindex surveys report mayfly and stonefly nymphs, caddis fly larvae, dragonfly and damselfly nymphs and crayfish. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other historically important work sought to provide biotic indices for classifying waters according to the biotic communities that they supported. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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