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発表 First record of the North American invasive crayfish Pacifastacus leniusculus from the Kanto region、 Tone River basin、 central Japan: a range expansion to a warm water area

作成年度 2010 年度
論文名 First record of the North American invasive crayfish Pacifastacus leniusculus from the Kanto region、 Tone River basin、 central Japan: a range expansion to a warm water area
論文名(和訳)
論文副題
発表会 第7回 国際甲殻類学会議
誌名 Seventh International Crustacean Congress
巻・号・回
発表年月日 2010/06/01
所属研究室/機関名 著者名(英名)
河川生態チーム中田和義
林紀男
尾崎真澄
大高明史
河川生態チーム三輪準二
抄録
Adult specimens of the invasive crayfish Pacifastucus leniusculus were collected from the Tone River basin between September 2009 and January 2010. Ectosymbiotic crayfish worms (Annelida、 Clitellata、 Branchiobdellidae) were found on the crayfish and all specimens were identified as Sathodrilus attenuatus、 which outside of its home range in North America occurs only in the Hokkaido and Fukushima Prefecture populations of P. leniusculus; thus suggesting that P. leniusculus in the Tone River basin was introduced from Hokkaido or Fukushima Prefecture.
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