Sentences with phrase «in polar bear numbers»

• Global polar bear numbers have been stable or risen slightly since 2005, despite the fact that summer sea ice since 2007 hit levels not expected until mid-century: the predicted 67 % decline in polar bear numbers did not occur.

Not exact matches

Nine thousand years ago, they survived frigid year - round temperatures in animal - skin tents some 500 kilometers north of what is now the Russian mainland, and they were the only people ever known to hunt large numbers of polar bears without firearms.

Currently, the status of polar bear subpopulations is variable; in some areas of the Arctic, polar bear numbers are likely declining, but in others, they appear to be stable or possibly growing.

Relative to the 12 receptors identified in cat, dog (15 receptors), ferret (14), giant panda (16), and polar bear (13) all had a similar number of bitter receptors.

And the number of polar bears in the southern edge of their range, the Hudson Bay, have drastically decreased as sea ice is present for shorter and shorter amounts of time, he notes.

While polar bear numbers are increasing in two of these populations, two others are definitely in decline.

Nine thousand years ago, they survived frigid year - round temperatures in animal - skin tents some 500 kilometers north of what is now the Russian mainland, and they were the only people ever known to hunt large numbers of polar bears without firearms.

U.S.G.S. reports forecasting strong declines in polar bear habitat and numbers were keys to that decision.

I asked him about the critiques of forecasts of the polar bear's demise by analysts who point to the rise in bear numbers since hunting was restricted in Arctic countries.

In summary, polar bear numbers probably increased in some areas during the 1970s and 1980s, and perhaps even into the 1990s, because of greater protection from direct human mortalitieIn summary, polar bear numbers probably increased in some areas during the 1970s and 1980s, and perhaps even into the 1990s, because of greater protection from direct human mortalitiein some areas during the 1970s and 1980s, and perhaps even into the 1990s, because of greater protection from direct human mortalities.

I do know a number of registered republicans who are seriously ticked off at her legal action regarding polar bears, but I don't think that's what Palin meant in the interview.

If we think of environmental issues that way instead of polar bears in the Artic and rainforests around the tropics, then there are a number of advantages to that.

Impacts of global warming in Churchill include an increase in the number of ice - free days and reduced nutrition in polar bears due to a shorter feeding season (Stirling et al., 1999).

Again, I agree that polar bear numbers are fairly stable now, even increasing in places.

«If the number of polar bears has increased, surely they're not in danger.»

«A number of recent climate change reports even failed to mention polar bears in their discussion of Arctic sea ice decline... Crockford, «Even Al Gore seems to have forgotten to include the plight of polar bears in his newest climate change movie.

Under the new plan, native people living in Alaska will now adjust the number of polar bears they hunt depending on the rise and fall of the animal's population.

PBGS members voted to reject four subpopulation estimates used in the 2015 Red List polar bear status review — even though the inclusion of those numbers was required in order for the Red List status of «vulnerable» to be upheld.

Furthermore, while this was going the press was also reporting how increasing number of polar bears were becoming a real hazard in Nunavat due to to «Nanuk's» propensity for hunting and eating people.

He pointed out that polar bears had quadrupled their number in recent decades and this was not a sign that their species is threatened.

If Amstrup had been right about the relationship of summer sea ice and polar bear numbers, there would have been no polar bears in Churchill for the BBC to film this year.

In contrast during the most recent decade with more open water, the number of ringed seal pups in the western Hudson Bay tripled relative to the 1990s.4 With more seal pups the polar bears» body condition also improveIn contrast during the most recent decade with more open water, the number of ringed seal pups in the western Hudson Bay tripled relative to the 1990s.4 With more seal pups the polar bears» body condition also improvein the western Hudson Bay tripled relative to the 1990s.4 With more seal pups the polar bears» body condition also improved.

As part of past status reports, the PBSG has traditionally estimated a range for the total number of polar bears in the circumpolar Arctic.

The number and distribution of polar bears in the western Barents Sea.

Only small numbers of polar bears have been documented consuming terrestrial foods even in modest quantities.

The useful ID10Ts will bring up how Susan Crockford took $ 750 bucks from big oil a decade ago, and how this really means that the polar bears are all dying, even though their numbers have increased 500 % in 40 years.

If you google «Populations and sources of recruitment in polar bears» you will find the original AP article at a number of news outlets.

The number of polar bears in the world is four to five times greater than it was 50 years ago, increasing from around 5,000 to an estimated 25,000.

«Of the 13 populations of polar bears in Canada, 11 are stable or increasing in number.

Andrew Montford: OK, well I've actually looked at that... JS: IF you look at their previous study it shows that the rate of decline in terms of the number of polar bear species has increased.

For instance, the graph could be true, yet the total number of polar bears have increased in just the one region under study.

The IPCC even says there is no change in recent extreme weather events and polar bear numbers have increased by 400 to 500 % since 1950.

The image of melting glaciers in the Himalayas has been called one of the two principal «icons» of global warming alarmism, along with polar bears, who have been declared a «threatened» species despite the fact that their numbers are growing.

Polar bears are one of the most sensitive Arctic marine mammals to climate warming because they spend most of their lives on sea ice.35 Declining sea ice in northern Alaska is associated with smaller bears, probably because of less successful hunting of seals, which are themselves ice - dependent and so are projected to decline with diminishing ice and snow cover.36, 37,38,39 Although bears can give birth to cubs on sea ice, increasing numbers of female bears now come ashore in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.in northern Alaska is associated with smaller bears, probably because of less successful hunting of seals, which are themselves ice - dependent and so are projected to decline with diminishing ice and snow cover.36, 37,38,39 Although bears can give birth to cubs on sea ice, increasing numbers of female bears now come ashore in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.in Alaska in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.in the summer and fall40 and den on land.41 In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.In Hudson Bay, Canada, the most studied population in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.in the Arctic, sea ice is now absent for three weeks longer than just a few decades ago, resulting in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.in less body fat, reduced survival of both the youngest and oldest bears, 42 and a population now estimated to be in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.in decline43 and projected to be in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.in jeopardy.44 Similar polar bear population declines are projected for the Beaufort Sea region.45

In scanning comments generated by the recent flurry of internet interest in polar bears and blogs I noticed that a good many people, fed alarming media stories, are still convinced that polar bear numbers are declining rapidly when nothing could be further from the trutIn scanning comments generated by the recent flurry of internet interest in polar bears and blogs I noticed that a good many people, fed alarming media stories, are still convinced that polar bear numbers are declining rapidly when nothing could be further from the trutin polar bears and blogs I noticed that a good many people, fed alarming media stories, are still convinced that polar bear numbers are declining rapidly when nothing could be further from the truth.

The first of the series was about polar bears, which they referred to as the canaries in the global - warming coalmine, ignoring the fact that polar bear numbers are actually the highest since records began.

The total failure of polar bear numbers to crash as predicted in response to the abrupt decline in summer sea ice in 2007 and persistent low summer sea ice levels since then (Crockford 2017), is vindication for Mitch Taylor.

It is reported that of the eleven tribes of polar bears tracked in North America, nine are increasing in number, and the other two are stable.

The numbers need to be verified but an educated guess would possibly reveal that the increase in numbers was due to conservation efforts and management and the stories of decrease are likely centered around the ice loss which is likely already decreasing the increased number of polar bears.

As the ice melts and Arctic temperatures warm, polar bears are forced to find new habitat (usually farther south, where the humans also live in greater numbers).

• Abundant prey and adequate sea ice in spring and early summer since 2007 appear to explain why global polar bear numbers have not declined, as might have been expected as a result of low summer sea ice levels.

Wilder presents these numbers as a basis for saying how concerned he is that a longer open - water season in the Arctic could increase the number of attacks by polar bears — and he's right, that's a valid concern now that the global population of bears is so high.

In 2017, sea ice levels during the spring were higher than usual in the Labrador Sea (home to Davis Strait polar bears) and as a consequence, communities in coastal Labrador and Newfoundland saw record - breaking numbers of bear sightings, including a scary encounter that resulted in a bear being shoIn 2017, sea ice levels during the spring were higher than usual in the Labrador Sea (home to Davis Strait polar bears) and as a consequence, communities in coastal Labrador and Newfoundland saw record - breaking numbers of bear sightings, including a scary encounter that resulted in a bear being shoin the Labrador Sea (home to Davis Strait polar bears) and as a consequence, communities in coastal Labrador and Newfoundland saw record - breaking numbers of bear sightings, including a scary encounter that resulted in a bear being shoin coastal Labrador and Newfoundland saw record - breaking numbers of bear sightings, including a scary encounter that resulted in a bear being shoin a bear being shot.

Abrupt summer sea ice decline has not affected polar bear numbers as predicted: even though sea ice levels dropped to mid-century levels in 2007, the expected decimation of polar bears failed to occur.