Patagonian Shelf (250 to 450 km wide) where the seabed slopes gently to 200 m isobath. Apart from the Falklands Plateau (which lies to the east of the Falkland Islands), the seabed then falls by up to to 2000 m and more. The Falklands Trough separates the Patagonian Shelf from the Scotia Arc. Patagonian Shelf The Patagonian or Argentine Shelf is part of the South American continental shelf belonging to the Argentine Sea on the Atlantic seaboard, south of about 35°S. It adjoins the coasts of Uruguay, Argentina and the Falkland Islands. Various authorities quote different dimensions of the shelf, depending on
Patagonian mara as anal digging. In addition a male will stand on his hind legs and urinate on a female’s rump to which the female will respond by spraying a jet of urine backwards into the face of the male. The male’s urination is meant to repel other males from his partner while the female’s urination is a rejection of any approaching male when she is not receptive. Both anal digging and urination are more frequent during the breeding season and are more commonly done by males. The Patagonian mara is considered to be a near threatened species. Historically, maras have ranged