Krill, the whales' main source of food, are threatened by higher ocean temperatures and melting sea ice around the Antarctic, which would in turn hurt the whales' chances of survival.
在南极地区，由于海洋温度的上升和海冰的融化，露脊鲸主要的食物来源南极磷虾受到了严重威胁，这反过来也危及到了鲸类的生存。
Polar bears cannot survive without sea ice, using it to raise their young, to travel and as a platform for hunting seals - their primary food source.
没有海冰，北极熊就无法生存。它们需要利用海冰来抚养幼仔，四处漫游，并以此为平台捕猎它们的主要食物，海豹。
The error source and feasibility of INSAR DEM construction on inland ice sheet is well analyzed.
深入分析内陆冰盖地区重复轨道INSAR测量地形的精度和可行性。
Based on the river having melted ice-snow as the main runoff source, the air temperature plays a leading role in the runoff.
在以融冰雪为径流主要补给源的河流，气温对径流的影响非常大。
Different carbon source, nitrogen source and inorganic salts in medium affected the cell growth, the ice nucleation activity and the xanthan gum ratio.
培养基中不同的碳源、氮源和无机盐影响冰核细菌的生长、冰核蛋白的表达及黄原胶的产率。
Stefan problem of ice-water mixture is discussed under the condition of the second boundary and heat source accelerating to melt ice.
讨论在第二边界条件和有热源加速冰融化情况下冰水混合物自由边界问题。
It has great significance to exploiting ice-snow tourism resources and developing tourist source markets in Yanbian area.
这对延边地区冰雪旅游资源的开发和旅游客源市场的开拓具有重要的意义。
It was found that the flood, coming from the modern glacier area of the source, was caused by breaking of ice-dam and coffer-dam lakes formed by blocking of river with glacier movement.
初步查明洪水来自源头时现代冰川区，是由于冰川前进阻塞河道，形成冰坝湖、堰塞湖，其溃决酿成大洪水所致。
It was found that the flood, coming from the modern glacier area of the source, was caused by breaking of ice-dam and coffer-dam lakes formed by blocking of river with glacier movement.
初步查明洪水来自源头时现代冰川区，是由于冰川前进阻塞河道，形成冰坝湖、堰塞湖，其溃决酿成大洪水所致。
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