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单词 detritus
释义
detritus

Biology
  • Particles of organic material derived from dead and decomposing organisms, resulting from the activities of the decomposers. Detritus is the source of food for detritivores, which can themselves be eaten by carnivores in a detritus food chain:

    detritusdetritivorecarnivore.


Geology and Earth Sciences
  • 1. Loose material resulting from the weathering, abrasion, or erosion of rock that has been transported away from the place where it was produced.

    2. Small fragments of organic material, including faecal matter and its accompanying bacteria, on which deposit feeders subsist.


Geography
  • Fragments of weathered rock which have been transported from the place of origin. See Doyle (2006) Geomorph. 77, 3–4 on detritus loss rates; try Valdiya (2002) PHG 26, 3.


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