エコロとジプシーモスの流行とライム病の危険を結びつける連鎖反応

C G Jones¹, R S Ostfeld, M P Richard

¹Institute of Ecosystem Studies (IES), Post Office Box AB, Millbrook, NY 12545, USA. clivegjones@compuserve.com

Science (New York, N.Y.)

|March 7, 1998

まとめ

オークの森の健康とライム病のリスクは,ニワトリ,マウス,と関連しています. の感染に不可欠なマウスの個体数は,のない状態で減少しており,の発生やが媒介する病気のリスクが増加しています.

科学分野:

エコロジーエコロジーエコロジー
森林科学森林科学森林科学
病気の生態学病気の生態学

背景:

アメリカ東部にあるオークの森の生態系は,ジプシーモットの脱葉やライム病による課題に直面しています.
これらの問題は,ニンジン,白足のネズミ,ジプシーモス,鹿,そしてダニの間の複雑な相互作用の影響を受けています.

研究の目的:

アメリカ東部にあるオークの森でジプシーモットの流行とライム病のリスクを決定する生態学的相互作用を調査する.
これらのダイナミクスにおけるニワトリと白足のマウスの役割を理解するために.

主な方法:

マウスの密度を除去することによって操作する実験.
森林の敷地にを実験的に追加する.
マウス,,,鹿の個体数を監視する.

主要な成果:

ネズミの密度が低下し,特にニワトリが稀な年に,ジプシーモットの発生が増加しました.
エコーンを加えると,白足マウスの密度が著しく増加しました.
エコーンを加えた結果,黒足のダニの密度も高まり,主宿である鹿を惹きつける可能性が高い.

結論:

白足のマウスは,ジプシーモス発症の重要なレギュレータであり,ライム病をダニに感染させる主なベクターである.
の利用可能性は,マウス集団,その後のの発生,そして媒介の病気のリスクに影響を与える重要な要因です.
この発見は,森林の統合管理と人間の健康管理戦略に重大な影響を及ぼします.

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