“超级”厄尔尼诺推动生态系统影响研究

This year’s event could shed light on how the natural world may respond to climate change in the decades ahead WARREN CORNWALL Declan Bulwa is rushing to complete an underwater rescue mission before the full force of El Niño hits the California coast. The University of Southern California Dornsife ecologist has been scuba diving in the state’s kelp beds in recent months, gathering reproductive tissue from the temperature-sensitive giant algae in a bid to bank as much genetic diversity as possible before expected underwater heat waves wipe them out. Many beds still haven’t recovered from a marine heat wave in 2014 and ’15, fueled partly by an El Niño. …