dcsimg

    habitat

  • mountain
    • URI: http://purl.obolibrary.org/obo/ENVO_00000081
    • Definition: A landform that extends above the surrounding terrain in a limited area. A mountain is generally steeper than a hill, but there is no universally accepted standard definition for the height of a mountain or a hill although a mountain usually has an identifiable summit and a local relief of more than 300m.
    show all records
  • valley
    • URI: http://purl.obolibrary.org/obo/ENVO_00000100
    • Definition: 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.
    show all records