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Length-Weight Parameters for Pimelodus blochii
Length-weight (log a vs b) graph
    [n=7]
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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
0.13400 2.330   mixed 11.2 - 29.5 SL  0.900        Colombia Magdalena River basin, 2013 
0.03800 2.617   unsexed 5.0 - 22.0 SL  0.903  0.036 0.0370 2165  Colombia Magdalena River floodplain lakes / 2008-2011 
0.02400 2.865   mixed 7.0 - 29.0 SL  0.932  0.071 0.0814 462  Brazil Tucuru?ยด Reservoir / 2001-2010 
0.01750 2.920   unsexed 2.9 - 30.0 SL  0.960  0.090 0.1000 203  Colombia Cauca River basin / 2010-2011 
0.01945 2.983   unsexed 5.8 - 21.2 SL  0.950  0.029 0.0336 552  Brazil Madiera River, Amazon / 2008-2011 
0.00700 3.060   unsexed 7.9 - 19.2 TL  0.846  1.319   230  Brazil Marapanim River, Para State / 2006-2007. 
0.00700 3.060   unsexed 10.0 - 25.1 TL  0.970  0.070 0.0817 222  Brazil Xingu River basin / 2012-2014 
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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 = 7, geometric mean a = 0.0214, mean b = 2.84, SD log10(W) = 0.1473, SD log10(a) = 0.4062 SD b = 0.2466
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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