Gillnet Selectivity for Ethmalosa fimbriata in Saloum Delta and Joal (Senegal)

In this study, a total of 64 fishing attempts was performed and a total of 17775 specimens was caught. The indirectmethod of Holt (1963) was used to estimate the selectivity parameters. The optimum selection lengths for E. fimbriata in 30,32, 36 and 40 mm mesh size were 17.32, 18.48, 20.79 and 21.10 cm, respectively. Estimated values of common selectionfactor and standard deviation were 5.77 and 1.48, respectively. Results indicated that using monofilament gillnets with 30 and32 mm mesh size could have an increasing fishing pressure on juvenile population of E. fimbriata but also the use of 40 mmmesh size could affect most fertile females. For the sustainable conservation of E. fimbriata fishery, it can be suggested to usemonofilament gillnet with 36 mm mesh size in Senegalese coastal and estuarine waters.

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Turkish Journal of Fisheries and Aquatic Sciences-Cover
  • ISSN: 1303-2712
  • Başlangıç: 2015
  • Yayıncı: Su Ürünleri Merkez Araştırma Enstitüsü - Trabzon
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