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青森県のサケ漁獲総額

本県サケ漁獲総額が4割減
 久々のサケのニュースです。とはいえ、東奥日報によると青森県のサケの漁獲が大幅に減ったということです。うーん、もう少し明るいニュースがいいんですけど。サマリーを載せると、


 サケの水揚げ全国一を誇る北海道が前年を35%も上回る過去最高の大豊漁を記録、全国的な価格安に大きく影響した。本県も前半は好調だったが、十月以降はエチゼンクラゲが最盛期のサケ漁を襲い、定置網に入り込むなどの被害を出した。

 同課の坪田哲課長は「クラゲ被害により河川には前年の一・五倍のサケが遡上(そじょう)し、採卵数は増えた。サケふ化放流などの事業には県や国、水揚げに応じて県さけます増殖振興協会が漁業者から徴収する協力金を充てているが、漁獲金額が落ち込み、事業が成り立たないほど厳しい状況だ」と話している。


ということです。
 私が注目するのは、最後のコメントでしょうか。要するに河川の遡上量が増えるのは沿岸の漁獲が減ったためだが、河川の漁を維持しているのは沿岸の漁獲があるからなので、困った困った、ということのようです。今年に関しては青森県だけの事例のようですが、私も、このことが一番気になっていました。沿岸の調査をしたことがないので、知識としては知っていましたが、河川のサケ漁は、本質的にこうした問題を抱えている訳ですね。
 でもこれって、なにか違うのでは、という気になりませんか。川ではとりすぎず、少なすぎず、海の状態を見ながら、ということなんですよね。豊漁が過ぎると困る漁、って。まあ、だからこそ、私のような研究者と呼ばれる人にはおもしろいのですが。でも、構造的になんとかした方がいいのだろうな、という気にさせる記事でした。

2004 05 12 08:27 PM | 固定リンク

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