28
不到80年后，北极熊将面临灭绝：人类剥夺了它们捕食的权利
source link: https://tech.sina.com.cn/d/a/2020-07-25/doc-iivhvpwx7367219.shtml
Go to the source link to view the article. You can view the picture content, updated content and better typesetting reading experience. If the link is broken, please click the button below to view the snapshot at that time.
北极熊依靠海冰来捕食，如果没有海冰，北极熊就只能饿肚子。但现实是，北极海冰覆盖率年年下滑，北极熊已经要面临更长的禁食期。《自然-气候变化》的研究发现，禁食期一旦超过一定天数，北极熊将生存率将不断下跌，而到2100年，许多地区的北极熊难逃灭绝
Recommend
About Joyk
Aggregate valuable and interesting links.
Joyk means Joy of geeK