Sentences with phrase «of bearded seals»

In that decision, the court reported it was troubling that the Beringia population of bearded seals was listed as threatened simply based on threats predicted by climate models that would not manifest until the end of the 21st century.

Much of the Bearded Seal's habitat encompasses seasonal ice zones where first - year sea ice is renewed every winter but melts completely every summer.

Not exact matches

The microphones record data at a sample rate of 8kHz, so the group listens up to 4kHz — for scale, the highest note on a normally tuned, standard piano is 4.186 kHz — to include signals produced by large whales like fins, humpbacks, bowheads and killer whales, as well as pinnipeds such as bearded seals and walrus.

But over the past decades, the melt season has grown longer and the average extent of Arctic sea ice has diminished, changing the game for many Arctic marine mammals — namely beluga, narwhal and bowhead whales; ringed, bearded, spotted, ribbon, harp and hooded seals; walruses; and polar bears.

The four SEALs - Marcus (Wahlberg), Michael (Kitsch), Danny (Hirsch) and Matt (Foster)- are a likeable bunch, with a nice line in banter and terrific, matching beards, operating under the leadership of Ground Commander Erik Kristensen (Eric Bana - who's not in this much).

Polar bears are the largest land carnivores in the world, but they are also marine mammals, meaning they spend the majority of their time on Artic sea ice hunting for ice - dependent ringed and bearded seals to snack on.

As a result the Bering and Chukchi seas sustain some of the earth's richest bounty of bottom dwelling prey sought by walrus, gray whales and bearded seals (Sirenko 2007).

By the time a child born in 2015 retires around 2090, she'll be living in a world with few wild polar bears or Arctic populations of narwhals, bearded seals, and ringed seals.

Tagged Barber and Iacozza, bearded seal, beluga whales, Gulf of Boothia, local Inuit knowledge, M'Clintock Channel, multiyear ice, narwhal, polar bear population density, ringed seal, sea ice habitat, Thiemann

When the «rest of the story» is told, it seems highly unlikely bearded seals will be endangered by reduced sea ice or warming temperatures.

As the BRT stated, «Research suggests that, during the time of whelping and nursing, bearded seals prefer areas where the percent concentration of sea ice is > 25 %.

The loss of thick multi-year ice over the deep Arctic basin in September has no effect on bearded seals survival.

Due to the advantage of accessing the sea floor as soon as dwindling sea ice permits, bearded seals are frequently associated with 70 to 90 % sea ice concentrations.

So even though 2 million years of climate history illustrated bearded seals are highly resilient, the court was swayed by a limited selection of models and untestable predictions.

Lacking a more direct measure of the relationship between bearded seal vital rates and ice coverage, the BRT assumed that this preference relationship reflects the species requirements for sea - ice coverage.»

The BRT concluded that «at least in the Bering and Chukchi Seas, bearded seals may not require the presence sea ice for a significant part of the year».

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

Consistent with this analysis, the BRT reports during the spring in the eastern and northern Bering Sea, the Chukchi Sea, and the Laptev Sea, where much of the first - year sea ice is heavily compacted, breeding bearded seals are not found in any significant numbers.

Up in Alaska, it's so hot now that the traditional hunt for bearded seal last summer was cut abnormally short due to melted ice, causing the Native community there to worry about losing the ability to continue with their traditional ways of acquiring food and practicing their culture.

A family hunting bearded seals instead encounters hundreds of walruses, a rare sight so early in the year.

The Bering Sea is considered to be one of the world's most productive fisheries and its northern portions are the home of sea ducks, grey whales, bearded seals and walruses, but a 30 - year warming trend has been bad news for those animals that are adapted to a cold - water environment, causing them to migrate further north.