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Table 3.

Growth parameters (K yr− 1, L cm), mortality (Z, M, F yr− 1), exploitation (E), and growth performance (Ø′) estimates of O. niloticus from Nyanza Gulf of Lake Victoria, Kenya.

L K Ø′ Z M F E Data collection and source 
64.60 0.25 3.02 0.82 0.54 0.28 0.34 1985–1986 (Getabu, 1992) 
63.10 0.35 3.14 1.71 0.72 0.99 0.58 1989–1990 (Dache, 1994) 
58.78 0.59 3.31 2.12 1.00 1.12 0.53 1998–2001 (Present study) 
L K Ø′ Z M F E Data collection and source 
64.60 0.25 3.02 0.82 0.54 0.28 0.34 1985–1986 (Getabu, 1992) 
63.10 0.35 3.14 1.71 0.72 0.99 0.58 1989–1990 (Dache, 1994) 
58.78 0.59 3.31 2.12 1.00 1.12 0.53 1998–2001 (Present study) 
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