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Out in the open ocean, it's another story.
出到公海 又是另一回事
There is no protection here, and yet this is where most fish are now being caught.
這里沒有保護措施 而且大多數(shù)的魚正在這些地方被捕撈
These may look like minnows, but they are tuna, each a healthy two kilos or more.
這些可能看起來像米諾魚 但其實它們是金槍魚 每條重達二公斤以上
Four different species are fished in the tropical Pacific.
有四種金槍魚在熱帶太平洋被捕撈
These are skipjack tuna, with some yellowfin tuna mixed in.
這些是鰹魚 夾雜一些黃鰭金槍魚
But this boat is not setting nets.
這艘船沒有撒網(wǎng)
The ancient technique of fishing with rod and line is now practised on an industrial scale.
以竿和線釣魚的遠古技術 現(xiàn)在在工業(yè)上非常純熟
The water jets break up the outline of the boat from below,
噴射水流從下方打碎船的輪廓
and mimic the noise and commotion of baitfish when under attack.
并模擬出餌魚受攻擊時的噪音和騷動
Meanwhile, live baitfish are strewn around the boat to keep the tuna interested.
同時 活的餌魚被撒在船的周圍以吸引金槍魚
It may look like a lot of effort for a few fish,
看起來好象只為幾條魚大費周章
but this "pole and line" technique of fishing can be surprisingly effective.
但其實這種"桿和線"的釣魚技術驚人的高效
Fishing for export is now big business in the tropical Pacific,
捕漁出口如今在熱帶太平洋是大生意
with tuna alone accounting for 30 times more fish than all the fish caught by subsistence fishermen.
包括金槍魚在內(nèi)被捕撈的魚 超過所有漁民為維生而捕撈的魚30倍
So is commercial fishing sustainable?
商業(yè)化捕撈可持續(xù)嗎？
Skipjack are the smallest, and by far the most abundant tuna species in the Pacific.
鰹魚是體型最小的 也是迄今太平洋中最豐富的金槍魚類
They reach maturity in just a year and then spawn many times within a season.
它們只要一年就發(fā)育成熟 然后在一個季節(jié)之內(nèi)多次產(chǎn)卵
They seem to be the perfect catch,
它們似乎很適宜捕撈
as their numbers just keep bouncing back.
因為它們的數(shù)量會持續(xù)恢復
But not all marine life is so resilient.
但并非所有的海洋生物都有這樣的恢復能力
Thanks to modern fishing,
由于現(xiàn)代化的捕撈
some of the best-known animals of the Pacific are in deep trouble.
一些太平洋最知名的動物深陷困境
