overgrazing

/OW1 V ER0 G R EY0 Z IH0 NG/
verb
  1. 1

    To graze land excessively, to the detriment of the land and its vegetation

  2. 2

    To allow animals to graze excessively

noun
  1. 1

    Excessive grazing to an extent that the land is damaged.

Source: https://en.wiktionary.org/wiki/overgraze, https://en.wiktionary.org/wiki/overgrazing