フグかごの体長選択性

DOI 日本農学文献記事索引 Web Site 被引用文献32件 参考文献10件

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タイトル別名
  • Length Selectivity of Fish Traps for Puffer.
  • フグカゴ ノ タイチョウ センタクセイ

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抄録

The relation between the construction of the trap for the Puffer fish and the fishing mechanism that it has was investigated. The relative efficiency of the trap was calculated with both the data of the trap width and the catch of fish. The calculated selectivity of the trap was compared with that estimated by the probability model for the Puffer trap fishery, taking into account the fish turning motion in a trap entrance. The obtained length selectivity for the puffer Lagocephalus wheeleri approximately agreed with the theoretical values. The length selectivity of the trap of the puffer Lagocephalus gloveri showed higher values than the theoretical values. The selectivity of the trap calculated on the probability model seemed to be influenced by the length of the Puffer fish.<br>We confirmed that the fishing mechanism of the trap for the Puffer fish depends on the behaviour of the fish inside of the trap entrance, but the behaviour of the fish seem not to be necessary uniform.

収録刊行物

  • 日本水産学会誌

    日本水産学会誌 62 (5), 727-732, 1996

    公益社団法人 日本水産学会

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