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Length-Weight Parameters for Hemisorubim platyrhynchos
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
0.01490 2.961   male 19.0 - 47.0 TL  0.963  0.084 0.1201 188  Brazil Porto Primavera Reservoir / 1999-2012 
0.01460 2.990   unsexed 14.3 - 48.3 SL  0.990  0.130 0.1776 10  Brazil Iguatemi River / 2006-2008 
0.01310 3.020   unsexed 17.9 - 52.5 SL  0.960      184  Brazil Itaipu Reservoir, Paraná, 1983-89 
0.01200 3.025   mixed 17.0 - 61.0 TL  0.966  0.048 0.0706 546  Brazil Porto Primavera Reservoir / 1999-2012 
0.01160 3.050   unsexed 17.5 - 58.0 SL  0.980  0.090 0.1402 90  Brazil Santa Virginia Bay, Rio Negro basin, Pantanal / 1999-2001 
0.01080 3.054   female 17.0 - 61.0 TL  0.986  0.061 0.0889 358  Brazil Porto Primavera Reservoir / 1999-2012 
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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 = 6, geometric mean a = 0.0129, mean b = 3.02, SD log10(W) = 0.0173, SD log10(a) = 0.0520 SD b = 0.0332
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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