首页
登录
职称英语
Arctic Conditions for Polar Bears Arctic conditions may become critical for p
Arctic Conditions for Polar Bears Arctic conditions may become critical for p
游客
2023-12-29
48
管理
问题
Arctic Conditions for Polar Bears
Arctic conditions may become critical for polar bears by end of 21st century.
Shifts in the 【L1】______ of ice cover, especially the possible lengthening of 【L2】______, may impact polar bears under projected warming before the end of the 21st century, 【L3】______a study published recently in the 【L4】______PLOS ONE by Stephen Hamilton from University of Alberta and colleagues.
Sea ice across the Arctic is 【L5】______ and altering physical characteristics of 【L6】______, and polar bears are 【L7】______to these changes in sea ice conditions. The authors of this study used 【L8】______for the Canadian Arctic Archipelago from 2006-2100 and metrics 【L9】______ polar bear energetics modeling 【L10】______ the conservation challenges for polar bears facing 【L11】______.
Shifts 【L12】______ multiyear ice to annual ice cover 【L13】______ the region, 【L14】______ lengthening ice-free periods, may become 【L15】______ for polar bears 【L16】______the 21st century with projected warming. Each polar bear 【L17】______in the Archipelago may undergo 2-5 months of 【L18】______, where no such conditions exist presently. Under business-as-usual climate projections, polar bears may face starvation and 【L19】______across the entire Archipelago by the year 2100. "We predict that nearly one-tenth of the world’s polar bear habitat, as much as one-quarter of their global population, may undergo 【L20】______habitat loss under business-as-usual climate projections," said Stephen Hamilton. [br] 【L14】
Arctic Conditions for Polar Hears
Arctic conditions may become critical for polar bears by the end of 21st century.
Shifts in the timing and duration of ice cover, especially the possible lengthening of ice-free periods, may impact polar bears under projected warming before the end of the 21st century, according to a study published recently in the open-access journal PLOS ONE by Stephen Hamilton from University of Alberta and colleagues.
Sea ice across the Arctic is declining and altering physical characteristics of marine ecosystems, and polar bears are vulnerable to these changes in sea ice conditions. The authors of this study used sea ice projections for the Canadian Arctic Archipelago from 2006-2100 and metrics developed from polar bear energetics modeling to gain insight into the conservation challenges for polar bears facing habitat loss.
Shifts away from multiyear ice to annual ice cover throughout the region, as well as lengthening ice-free periods, may become critical for polar bears before the end of the 21st century with projected warming. Each polar bear population in the Archipelago may undergo 2-5 months of ice-free conditions, where no such conditions exist presently. Under business-as-usual climate projections, polar bears may face starvation and reproductive failure across the entire Archipelago by the year 2100. "We predict that nearly one-tenth of the world’s polar bear habitat, as much as one-quarter of their global population, may undergo significant habitat loss under business-as-usual climate projections," said Stephen Hamilton.
选项
答案
as well as
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3315217.html
相关试题推荐
Computer______willbecomemorewidespreadasmoreschoolsaddcomputerclassest
Ithasbecomefashionabletoissuedireprojectionsofdecliningprosperityb
Ithasbecomefashionabletoissuedireprojectionsofdecliningprosperityb
Ithasbecomefashionabletoissuedireprojectionsofdecliningprosperityb
Ithasbecomefashionabletoissuedireprojectionsofdecliningprosperityb
Ithasbecomefashionabletoissuedireprojectionsofdecliningprosperityb
Ithasbecomefashionabletoissuedireprojectionsofdecliningprosperityb
Ithasbecomefashionabletoissuedireprojectionsofdecliningprosperityb
AlthoughMaryhasvowedtobecomeaprofessionalclarinetist,shewillhavetrou
Noonedied,butinamatterofhours,abillion-dollarassethadbecomeabilli
随机试题
Theyareverymuchontheirownassoonastheyhaveagreedwiththebossonthe
ForalmostsixyearsLyleCraker,aresearcherwhostudiesmedicinalplants
Atherwordshestoodupandwalkedaway,stoppingatthewindowtopullbackth
计算机的存储器分为内存储器和外存储器,以下属于外存的是()。A.U盘 B.硬盘
A.矢状旁区 B.脑干 C.基底节 D.脑室周围白质 E.丘脑早产儿缺氧
教学李商隐《锦瑟》,教师列举其他化用典故的诗词,引导学生理解诗歌“用典”的文学传
关于工期索赔的说法,正确的是()。A、单一延误是可索赔延误 B、共同延误是
阅读下列材料,回答问题。 材料: 下午第一节课上课铃响后,我来到本班教室。班
当会计科目有数量核算时,账簿格式设置为“数量金额式”。
某工业园区位于西南某中等城市以南4km处近郊工业园区规划范围内,工业园区目前尚
最新回复
(
0
)