Warm spells, tropical storms, and stress from predators, like sea urchins, endanger these unique  ecosystems. When in danger, giant kelp detaches from the seafloor and drifts along the  current, searching for colder and calmer waters.

温暖的天气、热带风暴和来自海胆等捕食者的压力危及这些独特的生态系统。 遇到危险时，巨型海带会脱离海底并顺着水流漂流， 寻找更冷、更平静的水域。