Those that persist might look a lot like this subpopulation, living in similar environmental pockets.

那些存活下来的北极熊可能看起来很像这个亚群，它们生活在有相似环境的孤立地区。

Over the last 10 years, we calculated that subpopulation has declined between 20 and 72 percent.

在过去的 10 年里，我们计算出亚种群的数量下降了 20%到 72%。

So now, in a majority of this subpopulation, seizures can be controlled to a large extent through surgery.

所以现在，在这一亚群中的大多数人，癫痫在很大程度上可以通过手术得到控制。

As one species colonizes a plant root, its individual cells might differentiate into various subpopulations, each carrying out a specific task.

当一种细菌殖居于一株植物的根部时，其个别细胞可能分化成不同的次级种群，每一种群执行各自的特定任务。

Different subpopulations may have different genetic makeups that can influence health.

不同的亚群可能具有影响健康的不同基因构成。

We lay out the evidence for a previously undocumented and highly isolated subpopulation of polar bears living on the southeast coast of Greenland.

我们列出了从未有过记录的、高度孤立的北极熊亚群(它们生活在格陵兰东南海岸)的证据。

The local orca subpopulation, known  as Iberian orcas, is only about 40 whales.

当地虎鲸亚群（称为伊比利亚虎鲸）仅有约 40 头鲸鱼。

Most whales in this subpopulation have scars from being hit by boats or  getting tangled in fishing nets.

该亚群中的大多数鲸鱼都有因被船只撞击或被渔网缠住而留下的疤痕。

We lay out the evidence for a previously undocumented and highly isolated subpopulation of polar bears living on the southeast coast of Greenland.

莱德雷：我们为生活在格陵兰岛东南海岸的北极熊亚群提供了证据，这些亚群以前没有记录在案且高度孤立。

Now researchers have identified a new subpopulation of polar bears that may be able to survive longer thanks to their ability to use glacial ice as a sea ice alternative.

现在，研究人员已经发现了一个新的北极熊亚群，由于它们能够利用冰川冰替代海冰，它们可能会存活更长时间。

" By 2100, recruitment" — new births — " will be severely compromised or impossible everywhere except perhaps in the Queen Elizabeth Island subpopulation, " in Canada's Arctic Archipelago, said Amstrup.

阿姆斯特拉普称，“到2100年，新生北极熊数量将会剧减甚至降为零，除了（加拿大北极群岛的）伊丽莎白女王群岛的亚种群之外”。

In many tissues, continuous proliferation is restricted to a subpopulation of cells, the stem cells, which undergo self-renewal, as well as differentiation, into cell types with a more restrictive proliferative potential.

在许多组织中，持续增殖仅限于细胞亚群，即经历自我更新以及分化的干细胞形成具有更多限制性增殖潜力的细胞类型。

The one that migrates from eastern United States and Canada in the summertime to Mexico in the winter, over the last 10 years we calculated that that subpopulation has declined between 20 and 72 percent.

它们夏天从美国东部和加拿大迁徙到冬天的墨西哥，在过去的10年里，我们计算出这一亚群数量下降了20%到72%。