Mass mortality of collector urchins (Tripneustes gratilla) in Hawai`i

As grazers, sea urchins are keystone species in tropical marine ecosystems, and their loss can have important ecological ramifications. Die-offs of urchins are...作为海洋牧食者，海胆（sea urchin）是热带海洋生态系统中的关键种（keystone species），其种群消亡会引发显著的生态连锁效应。海胆的大规模死亡事件正……