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Darwin-Kakadu: Weeds and Pastoralism

Pastoral areas

Devils claw

Devil's claw: a potential threat to Darwin's pastoral industry
Photo: Greg Calvert

Many weeds are primarily a problem in pastoral areas. They have often been introduced through the movement of stock and feed, and are able to spread readily into disturbed and overgrazed areas. Weeds in pastoral areas decrease productivity through displacing useful species, and in some cases can poison or injure animals.

Most weeds of pastoral areas are unpalatable to stock, or are eaten only when young, and can outcompete the more palatable plants, especially if there is heavy grazing pressure.

Important or potentially serious weeds in pastoral areas of the Darwin-Kakadu region include (click on them to see a list of research findings):