The destruction of the grasses on the hillsides by overgrazing in recent years has increased the flooding by temporary streams, and consequently has tended to deepen and increase the gulleys and channels of the mountains and valleys. [Please select]
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, deserted by _spectabilis_, resulting probably from overgrazing by sheep and goats during a succession of dry years. [Please select]
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Streams from which we report hybrids probably were affected by overgrazing of their watersheds; overgrazing was unusually severe in the drought. [Please select]
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As a result of overgrazing, and cultivation of part of the upland drainage area, there was relatively rapid erosion in the 38-year interval. [Please select]
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Anderson, 1948: 15 (decrease; shift of range attributed to fire or overgrazing; need of protection; killing from planes; Northwest Territories; northern Manitoba, Saskatchewan, and Alberta). [Please select]
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