Sentences with phrase «seal populations also»

Not exact matches

The findings may also explain why harbor seal populations are declining in fjords whose glaciers have retreated onto land: Without the acoustic camouflage provided by the bubble - induced din, the seals may have a harder time evading their main predator, the killer whale.

Also, why did traditional Eskimo populations, consuming up to 75 % of their total caloric intake from fat (mostly from whale blubber, seal fat, organ meats, and cold water fish), display superior health and longevity without heart disease or obesity?

In a second study, also funded by foundation, the researchers evaluated the extent of seal and sea lion species with the infection, the timeline of its emergence, and the role that PDV may play in the health of marine mammal populations off the coast of Alaska.

But animal populations also experience wide - spread hunger, and the hundreds of emaciated young seals and sea lions stranded on California beaches in the past year were a poignant example.

It's also home to some of the area's seal population, as well as great restaurants, boutiques, and attractions.

Many were also the target for commercial industry, leading to a sharp decline in all populations of exploited species, such as whales and seals.

The islands became a base for pirates, and later whalers, who also harvested the island's abundant fur seals, and put a significant dent in the tortoise population.

We've also learned in recent years how to track elephant seals, sea birds and some whale populations in ways that will change the map of wildlife protection, literally.

The phytoplankton - dependent krill populations in the Southern Ocean which are the staple food of all the great baleen whales are now down by 80 % and the shortfall is now also starving local fish species, penguins and seals.)

Besides shrinking sea ice there are currently also other factors that negatively affect polar bears, such as human settlements, industrial activities, hunting, bio-accumulation of toxins, and smaller seal populations.

It could also effect some fish stocks if seal populations rise significantly.