This makes them more vulnerable to overfishing.

因此過度捕撈對它們的危害也就更大

But 50 years ago the great colonies disappeared because we overfished the local waters.

但在五十年前 由于當(dāng)?shù)睾Ｓ蜻^度捕撈 這片壯觀的族群就此消失了

Relentless overfishing has reduced shark populations around the world by over 90 percent.

不間斷的過度捕撈 使鯊魚數(shù)量在世界范圍內(nèi)銳減 超過百分之九十

Plastic pollution is a grave issue for our oceans, but industrial overfishing is far more dangerous.

塑料污染是我們的海洋面臨的一個(gè)嚴(yán)重問題 但工業(yè)過度捕撈要危險(xiǎn)得多

It could be that more efficient fishing gear, such as modern nylon nets coupled with growing island populations, has led to overfishing.

可能是更高效的捕魚工具 比如現(xiàn)代尼龍網(wǎng) 和逐漸增長的島嶼人口 導(dǎo)致了過度捕撈

The presence of such large vessels, from countries that have already overfished their own tuna stocks, has riled the operators of local fishing fleets, perhaps with some justification.

來自他國的大型漁船 過度捕撈了本國漁獲 如今又來此捕撈 這一行為激怒了當(dāng)?shù)貪O民 也是很正常的

There are reasons to suppose that, in fact, the plagues have been affected by human activity either through an accumulation of runoff of fertilisers from the land that creates more food for the young starfish, or because we have overfished and so destroyed the natural balance of the reef.

事實(shí)上有證據(jù)證明 這種瘟疫可能是由人類活動而引發(fā)的 可能是因?yàn)橥恋胤柿蠞B出的積累 為幼年的海星提供了更多食物 或者是因?yàn)槿藗冞^度捕魚 從而打破了大堡礁自然的生態(tài)平衡