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The waterjets break up the outline of the boat from below, and mimic the noise and commotion of baitfish when under attack. Meanwhile, live baitfish are strewn around the boat to keep the tuna interested. It may look like a lot of effort for a few fish, but this pole and line technique of fishing can be surprisingly effective. Fishing for export is now big business in the tropical Pacific, with tuna alone accounting for 30 times more fish than all the fish caught by subsistence fishermen. So is commercial fishing sustainable? Skipjack are the smallest, and by far the most abundant tuna species in the Pacific. They reach maturity in just a year and then spawn many times within a season. They seem to be the perfect catch, as their numbers just keep bouncing back. But not all marine life is so resilient. Thanks to modern fishing, some of the bestknown animals of the Pacific are in deep trouble. |
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pēn shuǐ shì tuī jìn qì cóng xià miàn bǎ chuán de lún kuò dǎ sàn zhè zhǒng tuī jìn qì tū chū yú chuán shēn, shǐ chuán de lún kuò méi nà me hé xié zhěng tǐ, bìng qiě mó fǎng fā chū ěr yú zài shòu dào gōng jī shí de zào shēng hé sāo dòng. yú cǐ tóng shí, huó yú ěr sàn bù zài chuán de zhōu wéi yǐ xī yǐn jīn qiāng yú. zhè kàn qǐ lái kě néng yǒu xiē xiǎo tí dà zuò wèi jǐ tiáo yú rú cǐ dà fèi zhōu zhāng, dàn zhè zhǒng chuí diào de fāng shì què chū qí de yǒu xiào. chū kǒu yú lèi xiàn zài shì rè dài tài píng yáng zuì dà de mào yì, yǐ bǔ yú wéi shēng de yú mín bǔ zhuō de yú de shù liàng zhōng, jīn qiāng yú shì qí tā zhǒng lèi de yú 30 duō bèi, suǒ yǐ zhào zhè yàng de qū shì shāng yè bǔ yú néng gòu dá dào kě chí xù ma? jiān yú shì tǐ xíng zuì xiǎo de, yě shì qì jīn wéi zhǐ tài píng yáng lǐ shù liàng zuì duō de yī zhǒng jīn qiāng yú. tā men zài yī nián nèi dá dào chéng shú bìng zài yí gè jì jié duō cì chǎn luǎn. tā men zhè yàng de fán zhí jié zòu sì hū shì zuì shì hé bǔ zhuō, yīn wèi tā men de shù liàng zǒng shì zài mǒu gè shuǐ píng shàng shàng xià bō dòng. dàn shì bú shì suǒ yǒu de hǎi yáng shēng wù dōu yǒu rú cǐ shù liàng tán xìng. yóu yú xiàn dài yú yè, tài píng yáng shàng yī xiē guǎng wéi rén zhī de dòng wù shēn xiàn wēi jī. |