南乔治亚岛蓝鲸数量有所增长 23天统计到55头

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[00:00.00]Whale experts have described the number of sightings as astonishing 鲸鱼专家们称看到这么多鲸鱼令人震惊，
[00:04.53]and say it's a positive sign that Antarctic Blues are making a solid recovery from their catastrophic collapse.	并表示这是一个积极的迹象，表明了南极蓝鲸正从灾难性的毁灭中稳步恢复。
[00:10.80]When the whaling industry set up business in South Georgia in the early 1900s, ・20世纪初，当捕鲸业在南乔治亚开展业务时，
[00:15.33]it's estimated there might have been nearly a quarter of a million of these majestic animals in the Southern Ocean. 南冰洋中估计有近25万头这种大型动物。
[00:20.96]But within just a few decades, butchery on an industrial scale had reduced their numbers to a few hundred.但在短短几十年里，大规模的残杀活动使它们的数量减少到了几百头。
[00:27.70]South Georgia's waters teem with the shrimp-like krill that whales love to eat,南乔治亚的水域生产像磷虾等鲸鱼爱吃的虾类，
[00:32.80]so Blues really ought to be returning to this productive feeding ground, 所以蓝鲸确实应该回到这片物产丰富的觅食地。
[00:36.86]and after 50 years of protection this seems finally to be the case. 经过50年的保护，这似乎终于成为现实。
[00:41.17]The last assessment of Antarctic Blue whale numbers was done in 1997 and estimated the abundance at just over 2,000. 上一次对南极蓝鲸的评估是在1997年进行的，当时估计的数量刚刚超过2000头。
[00:49.55]The next assessment will come out in a couple of years and may indicate that there are now up to 10,000.	下一次的评估数量将在几年后公布，可能会显示蓝鲸的数量近万。

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南乔治亚岛蓝鲸数量有所增长 23天统计到55头