dcsimg

    habitat

  • 谷地
    • URI:http://purl.obolibrary.org/obo/ENVO_00000100
    • 定義: A depression caused by erosion by water or ice. Low-lying land bordered by higher ground; especially elongate, relatively large gently sloping depressions of the Earth's surface, commonly situated between two mountains or between ranges of hills or mountains, and often containing a stream with an outlet.
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