Sentences with phrase «shallow feeding grounds»

Thus, to whelp in April and still remain for over shallow feeding grounds, seals are coincidentally surrounded by extensive winter sea ice.

Some changes are well - known, such as declines in polar bear populations and stresses to walruses being forced out of their shallow feeding grounds as ice retreats into deeper waters.

Not exact matches

But when Nick Pyenson of the Smithsonian Institution in Washington DC modelled Pacific feeding grounds during peak glaciation, he found that very little of the north Pacific was shallow enough for feeding: sea levels were up to 120 metres lower than today and the Bering Sea was a land bridge.

A pioneering study — led by scientists from Imperial College London in collaboration with marine biologists from UC Santa Barbara — found that the predators, through their fecal material, transfer vital nutrients from their open ocean feeding grounds into shallower reef environments, contributing to the overall health of these fragile ecosystems.

Shallow (2 - 6 feet) and with a whiter than normal sand bottom, these tarpon feeding grounds stretch for over fifty miles and provide the dining room for almost unbelievable numbers of tarpon.

Shallow (2 - 6 feet) and with a whiter than normal sand bottom, these tarpon feeding grounds stretch for over fifty miles and provide the dining room for an almost unbelievable numbers of tarpon.

In habitat where sea ice either melts completely or recedes beyond the limits of shallow - water feeding grounds, bearded seals simply come ashore.