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千歳川のサケ捕獲状況

 以前紹介したように、8月21日から千歳川のインディアン水車が稼働しはじめました。
 これにともない、千歳サケのふるさと館のサイトにて、捕獲状況の日報が更改されはじめました。

今年のサケ捕獲状況

 自分がサケに興味を持ちだしたのは2000年からなのですが、このサイトを確認するのが秋の日課になっています。毎日の採捕尾数が載せられていますので、「おぉ、1万尾か」とか「うーん、今年は厳しいなぁ」などとぶつぶついいながら眺めています。
 今年は出足がなかなか好調(って数日ですが)のようです。先週あたりから少し気温が下がってきた影響でしょうか。昨年は数年ぶりに遡上量が持ち直しましたが、今年はそれ以上のペースになるといいのですが。


 そうそう、遡上量に大きな影響を与えるものは、やはり先日紹介した沿岸定置網です。こちらも9月ごろ、と紹介していましたが、「みなと新聞」によれば、8月24日に十勝・釧路において解禁になったようです。いよいよ秋サケのシーズンですね。

 サケの人工孵化放流は海での資源量を増やすために行っているのですが、沿岸で遡上直前のサケを大量に獲られると遡上量が減少するため、昔(それはそれは昔で、漁の目的は違いますが江戸時代にも沿岸と川のサケ漁師の争いはありました)から問題になっていました。
 実際、川で漁をする人たちにしてみれば、現在でも目的はともかく、自分たちの収入になるわけで、なるべく川で沢山のサケがとれればよい、という視点もありますから(もちろん近年は予定尾数によって、獲れすぎても収入にはなりませんし、孵化放流の目的は理解されているのですが)、沿岸で獲り過ぎられれば困ってしまうという面はあります。この辺は大きな動きでは、県や漁協などが調整をし、成功しているようですが、川の漁師たちの間では運悪く自分の川のサケが主として定置網にかかり、隣の川の群はそれをくぐり抜け大豊漁なんてことがあるため、いたゆかゆしという所でもあるようです。
 なにはともあれ、今年は川にはどのくらいのサケが戻ってくるのでしょうか。

2004 08 27 05:24 PM | 固定リンク

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» 鮭の遡上を見たくて from 今日もごきげん
千歳のインディアン水車に行きました。 明日から水車まつりとのことですが、 思っ 続きを読む

受信: Sep 19, 2004 10:15:59 AM

コメント

お久しぶりです
インディアン水車ってなんだか、あくせくしてなくて良いですね、今日家の食卓に生の秋刀魚が乗っかりました、オイラの住むトコで直送が来るようになると、いよいよシャケのシーズンって感じがします

投稿者: ころころ (Aug 29, 2004 9:32:39 PM)

ごぶさたしております。
いよいよシーズンですね。サイトをはじめて初めての秋なので、ちょっとドキドキしています。
>インディアン水車、動いているところを見たことがないので、是非一度みてみたいものです。

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