" disease is the bullet killing frogs , but climate change is pulling the trigger , " says alan pounds , an ecologist at the monteverde cloud forest preserve and tropical science center in costa rica 阿兰?庞兹是哥斯达黎加的蒙特沃德云雾森林保护区和热带科学中心的生态学家，他说： “疾病是杀死蛙类的子弹，但扣动扳机的却是气候变化。 ”
