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阿武隈川のコクチバス

 阿武隈川でもコクチバスの繁殖がほぼ確認されたそうです。

河北新報ニュース コクチバス阿武隈川にも アユ・サケへ影響懸念 宮城

 ご存じの方も多いとは思いますが、コクチバスはブラックバスの仲間の外来魚ですが、流水での生息が可能なため、より広範囲での環境に対する影響があるとされています。ブラックバスについてはこのサイトでも何度かふれていますし、よく知れれていますが、最近はコクチバスの環境への影響を懸念する声が大きくなっているようですし調査も各地で行われているようです。
 タイトルにもあるように、アユ・サケへの影響懸念ということですが、ほんと、釣りのみを対象にした放流は悩ましい問題です。

2004 11 08 12:18 AM | 固定リンク

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コメント

うむむ。
あまりにも語りたいことが多すぎる問題ですねえ。娯楽のために生態系が乱れる。日本古来の種が滅亡する。
こういうときに、米国の厳しい管理体制を羨みます。さんざんひどいことをやってきたからこそ、学んだのだけれど。バッファロー乱獲とか。
どうも我が国は高い授業料を払ってるわりにはその教訓を生かしてないみたい。

投稿者: ハヤト (Nov 9, 2004 8:08:33 PM)

 その通りですね。どこまで授業料を払えば気が済むのでしょうか。
 生物にしても、私が興味のある人間の古くからの技術にしても、一度失われると復活できない、ということは知っておくべきですし、授業料を払ってるんだから、一種ぐらい失われてもよい、ということは決してないと思います。

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