The selectivity of codends with different mesh sizes,35mm,40mm and 45mm,of double rigged shrimp trawl,which is used in locally commercial fishery,were analyzed through cover-net method selective experiments.

 
  • 試驗采用雙支架蝦拖網(wǎng)作為試驗網(wǎng)具,并使用套網(wǎng)法估算了網(wǎng)目?jì)葟綖?5、40和45 mm的網(wǎng)囊對主捕蝦類(lèi)的選擇性。
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