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
2025-01-26
9
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] 【L16】
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
before the end of
解析
转载请注明原文地址:https://tihaiku.com/zcyy/3929779.html
相关试题推荐
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
TodayI’dliketotalkabouthowtobecomea(1).Usuallyyouhavetostart
随机试题
Accordingtothepassage,whichofthefollowingstatementsistrue?A、TheAmeric
回归分析中定义的()。A.解释变量和被解释变量都是随机变量 B.解释变量为非
克罗恩病
心脏病孕妇心力衰竭导致的不良后果中应除外A.胎儿生长受限 B.早产 C.胎儿
共用题干 RecreationandSports1."Allworka
制订社区护理实施计划,错误的做法是A.尽量使用以往解决类似问题的有效方法和策略
从狭义上理解,幼儿园环境是指( )。A、幼儿园生活环境 B、幼儿园教育的一切
简述现代企业人力资源管理各个历史发展阶段的特点。
国际推介的主要目的有()。A:查明长期投资者的需求情况,保证重点销售 B:使投
B
最新回复
(
0
)