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On China's crowded coasts,
在中國擁擠的海岸線上
fishermen need to be extremely resourceful.
漁民們必須非常機(jī)敏
Hauling in the nets is hard work,
收漁網(wǎng)是一項(xiàng)繁重的工作
and so far there's not a fish in sight.
目前為止還沒有看到魚
Only jellyfish.
只有海蜇
Each year, millions of jellyfish
每年 無數(shù)的海蜇
are carried south with the currents in the Bohai Gulf.
被渤海灣的水流帶到南方
The ecological story behind this event is complex,
這種現(xiàn)象的生態(tài)學(xué)原因很復(fù)雜
but by no means unique to China.
但決不是中國特有的
Jellyfish are fast-breeding plankton feeders.
海蜇是快速繁殖的浮游生物的食物
In recent years, human sewage and fertilisers from intensive farming
近些年來 人類污水和精耕細(xì)作使用的化肥
have increased plankton blooms in the Gulf,
增大了海灣的浮游生物繁殖速度5
providing extra jellyfish food.
提供了豐富的海蜇食物
While over-fishing has reduced their enemies and competitors.
由于過度捕魚 海蜇的敵人和競爭者少了
It's a phenomenon that has become increasingly widespread
這種現(xiàn)象已經(jīng)
across the world's seas.
在全球蔓延
However, what is seen elsewhere as a problem,
然而 別的地方認(rèn)為是個問題
in China is perceived as an opportunity.
在中國卻被當(dāng)成機(jī)會
