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...作为植食性动物，海胆是热带海洋生态系统中的关键物种（keystone species），其种群消失会带来重要的生态影响。海胆大规模死亡事件正……