クロガシラガレイに対するカレイ刺網の網目選択性

DOI 日本農学文献記事索引 Web Site 被引用文献4件 参考文献12件

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タイトル別名
  • Mesh Selectivity of Flatfish Gillnet for Cresthead Flounder Pleuronectes schrenki.
  • クロガシラカレイ ニ タイスル カレイ サシアミ ノ アミメ センタクセイ

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抄録

Flatfish gillnet selection curves for cresthead flounder Pleuronectes schrenki were estimated using cumulative probability distributions of the retention girth at length. Catch data were obtained from gillnets of six different mesh sizes and five different hanging ratios in March and July 1995 and March 1996 in Saroma Lake. Average body lengths showed significant differences with mesh sizes, but no significant differences were observed with hanging ratios. The retention girths in the Sechin's model were used as the girth at the insertion of the pelvic fin and girth between the insertion of dorsal fin and tip of proximal pterygiophore of the first anal fin ray. The estimated selection curves increased in peak width with increasing mesh size, and these corresponded with body length frequencies obtained from each mesh size.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 64 (6), 979-986, 1998

    公益社団法人 日本水産学会

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