单词 | bioindicator |
释义 | bioindicatorn. Ecology. A biological indicator of an ecological or physiological process; spec. (the health or abundance of) an organism used as an indicator of the state of an ecosystem, esp. with respect to pollution (= indicator n. 2d). ΚΠ 1955 AIBS Bull. 5 64/2 (Conference programme) The Harding-Passey melanoma as a bio-indicator of some metabolic effects of the ob gene. 1963 Z. M. Fineman et al. in A. W. Klement & V. Schultz Radioecology vii. 456 (caption) Jack rabbit bone as a bio-indicator of strontium-90 contamination. 1984 Coal Week (Nexis) 23 Apr. 3 Healthy ponderosa pine is a sign of a relatively clean environment since they are a sensitive bioindicator of airborne pollution. 2002 Nat. Home July 37/2 Frogs are considered important bio-indicators... Their permeable skin allows substances to move freely into their bodies, and their fatty tissues can absorb and concentrate toxins. This entry has been updated (OED Third Edition, November 2010; most recently modified version published online December 2021). < |
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