Predation by fishes on released seedlings of the Japanese mitten crab Eriocheir japonica
スポンサーリンク
概要
- 論文の詳細を見る
Predation on released seedlings of the Japanese mitten crab, Eriocheirjaponica, by fishes was examined in the upper reach of the Koya River and middle reach of the Nishiki River. Stomach contents of fishes sampled before and after the release in the upper and middle reaches, were analysed. Mortality of crabs caused by fish predation was high in the upper reach, but lower in the middle reach. This difference is suggested to be largely due to differences in the diversity of potential prey species for the fishes at the two study sites. In the upper reach with a low diversity of prey species, the released juveniles had high a prey value to fishes and subsequently, fishes fed heavily on them.
- 日本甲殻類学会の論文
著者
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Hamano Tatsuo
National Fisheries University
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Suzuki Tomokazu
National Fisheries University
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Araki Akira
National Fisheries University
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Hayashi Ken-Ichi
National Fisheries University
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Fujimura Haruo
Fisheries Department, Yamaguchi Prefectural Office
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Fujita Yoshinobu
Fisheries Department, Yamaguchi Prefectural Office
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Fujimura Haruo
Fisheries Department Yamaguchi Prefectural Office
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Hayashi K
National Fisheries Univ. Shimonoseki Jpn
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- Predation by fishes on released seedlings of the Japanese mitten crab Eriocheir japonica
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