Sentences with phrase «reduction of the polar bear»
Recent estimates suggest a 60 % reduction of the polar bear population by the year 2050.
https://dotearth.blogs.nytimes.com/ Not exact matches
Ms. Gormezano is not a fan of the forecasting methods used by Dr. Amstrup to conclude that a two - thirds reduction in polar bears is possible midcentury if summer sea ice continues retreating.
On a related front, a new paper in the journal Nature Communications (available in full online) projects deep reductions in litter size in the polar bear population along the western shores of Hudson Bay, should the open - water season continue to lengthen as foreseen under the warming influence of accumulating greenhouse gases.
It is a very complex issue with no clear cut answers however as it is critical for polar bears to have both ice and water any reduction of sea ice is going to reduce the population over the next few decades.
The speed of the warming climate and the resulting reduction in sea ice means â $ œthe prognosis for polar bears is uncertainâ $?
Abstract Increased land use by polar bears (Ursus maritimus) due to climate - change - induced reduction of their sea - ice habitat illustrates the impact of climate change on species distributions and the difficulty of conserving a large, highly specialized carnivore in the face of this global threat.
That's at least according to a recent study that estimates that by 2075, habitat reduction will have led to the utter elimination of adequate raising grounds for polar bear young, dooming the species.
The Arctic's top predator, the polar bear, is affected both by the reduction in sea ice and by reduced stocks of its primary food, the ringed seal.
«To illustrate my point about values: assume the only effect of AGW is the extinction of polar bears, but GHG reduction is still very costly.
Marine mammals living in the polar regions rely on sea ice, and continuing reductions in the amount of ice will harm populations of seals, walruses, and polar bears.
Seals, which form an essential part of the polar bear diet, are also impacted by the reduction in sea ice.
Reductions in winter sea - ice will affect the reproduction, growth and development of fish, krill, and their predators, including seals and seal - dependent polar bears (e.g., Barber and Iacozza, 2004; Box 4.3), leading to further changes in abundance and distribution of marine species (Chapter 15, Section 15.4.3).