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Length-Weight Parameters for Thunnus atlanticus
Length-weight (log a vs b) graph
    [n=6]
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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
0.12500 2.551 Yes  Unsexed 45.5 - 90.0 FL  0.883      130  Brazil Central coast, 1993-2000 
0.02620 2.960   unsexed 30.0 - 56.0 FL        1760  Cuba West Zone 
0.01840 3.024   unsexed               Cuba West zone 
0.01070 3.028 Yes  Unsexed 38.0 - 87.0 FL  0.870      5209  Brazil Baía Formosa, Rio Grande do Norte, 1996-1998 
0.01540 3.080   unsexed     FL          Cuba Southwest Zone 
0.01380 3.100   unsexed 28.0 - 60.0 FL        875  Cuba  
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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 = 4, geometric mean a = 0.0182, mean b = 3.04, SD log10(W) = 0, SD log10(a) = 0.1122 SD b = 0.0574
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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