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Length-Weight Parameters for Clarias gariepinus
Length-weight (log a vs b) graph
    [n=22]
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a b Country Locality
Score a b Doubtful? Sex Length (cm) Length
type 		r2 SD b SD log10 a n Country Locality
0.13000 2.380 yes  unsexed               Africa 
0.04000 2.699   unsexed       0.846      355  South Africa Lake Sibaya 
0.02100 2.738   unsexed     TL          Botswana Okavango Delta 
0.02980 2.751   unsexed               Egypt Barrage ponds 
0.01940 2.816   unsexed             2183  Egypt Serow Experimental Ponds, 1964-69 
0.01500 2.830   unsexed               Zimbabwe Lake Kariba 
0.01600 2.880   mixed 7.0 - 24.0 TL  0.974      1944  Nigeria Epe Lagoon, 2001-03 
0.01490 2.945   unsexed 20.6 - 64.8 SL  0.966      117  South Africa estuaries, 1993-99 
0.00800 2.967   unsexed 18.2 - 47.0 TL  0.959  2.638   179  Turkey Hatay Region, Mar-May 2003 
0.00791 2.971   unsexed 12.0 - 50.0 TL  0.970      187  Benin Ouémé River Basin, 1999-2001 
0.00830 2.980   unsexed 20.0 - 55.0 TL  0.962  0.060 0.0498 820  Philippines Agusan Marsh / 2011 
0.00800 2.983   unsexed     TL  0.968      81  Zambia Bangweulu swamps, 1994-96 
0.00731 2.992   male             605  South Africa Elands River, Transvaal 
0.01050 3.013   unsexed     SL          Zambia Lake Kariba 
0.01050 3.020   unsexed 8.5 - 40.2 SL  0.960      450  Nigeria Zaria 
0.00617 3.040   mixed 16.3 - 110.0 TL  0.980      918  Ethiopia Lake Awassa 
0.00540 3.092   unsexed 21.4 - 103.0 TL        194  Tanzania Mwanza and Speke Gulfs, Lake Victoria, 1988-90 
0.00473 3.122   unsexed               Malawi Shire Valley 
0.00300 3.169   unsexed       0.960      165  South Africa Pongolo floodplains 
0.00320 3.214   unsexed 16.5 - 44.3 FL  0.941      19  Kenya Lake Baringo, 2004-05 
0.00160 3.228   unsexed       0.980      242  South Africa P.K. le Roux Dam 
0.00280 3.254   unsexed       0.980        South Africa Hendrik Verwoerd Dam 
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Preliminary parameter estimates are provided below, based on your selection of studies and weighted by the scores.
You may want to exclude or give less weight to studies that are far from the regression line in the graph.
Selected studies = 21, geometric mean a = 0.0079, mean b = 3.00, SD log10(W) = 0.0000, SD log10(a) = 0.3476 SD b = 0.1533
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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Last modified by d.santos 05/08/14