有人推测说捕捞过度会迫使鲨鱼抵近海岸搜寻其他的食物。

Overfishing, some suggested, had forced the sharks closer to shore in search of other prey.

全球范围内的鱼群的数量因为捕捞过度和水族贸易造成数量迅速下降。

Fish stocks are in free-fall all over the world, both from overfishing and the aquarium trade.

捕捞过度、滥伐森林以及使用杀虫剂等人类活动的激增是许多物种数量减少的关键。

An explosion of human activity, including overfishing, deforestation and pesticide use, has been at the heart of many species' declines.