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2004.08.28

岩手のタヌキはライオンが怖いのです

その昔、友人が飛び出してきたタヌキをよけそこねて田んぼに車をつっこんだことがありました。あまりの損害の大きさに泣いていました(笑っちゃいけないかな)

YomiuriONLINEより「ふんでライオンの存在感!JR盛岡、動物よけ薬剤開発

 シカやタヌキなど野生動物と列車の衝突事故を減らそうと、JR東日本盛岡支社がライオンのフンを使った動物よけの薬剤開発を岩手大に依頼した。
 水に溶かしたフンを岩手県内の山間部の線路で試験散布したところ、半年にわたって事故ゼロだったのがきっかけ。同支社は「動物保護の観点からも事故はなくしたい」と薬剤完成を期待している。

動物が車や列車にはねられるのは可哀想になります。ぜひとも完成させてほしいものです。

でもなんでライオンのふんなんでしょうか。岩手のシカやタヌキはライオンをご存じなんでしょうか(笑)。誰が思いついたのかとっても気になります。

 試験散布は昨年12月から今年3月にかけ、山あいを縫うJR釜石線で実施。シカやタヌキとの衝突がたびたび起こる約2キロの区間に、水に溶かしたライオンのフンをまいた。その結果、“天敵”の存在をかぎとったのか、6月まで事故が1件もなかった。

岩手のシカやタヌキにとってライオンは「天敵」だったんですね。

最初にこれを行ったのはJR西日本の和歌山支社のようです。なるほど白浜にはアドベンチャーワールドがありますからきっとそこからふんをもらってきたんでしょう(笑)。

 依頼を受けた岩手大農学部の松原和衛助教授は「半年間も効果が続いていることから、シカはにおいではなく、フンに含まれる何らかの成分を忌避しているとも考えられる。その成分をつきとめ、刺激臭の少ない薬剤を開発したい」と話している。

ライオンにかぎらず肉食動物に共通のなにかの成分があり、彼らはそれを避けてるのかもしれませんね。

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