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Length-Weight Parameters for Piaractus brachypomus
Length-weight (log a vs b) graph
    [n=2]
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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
0.02891 3.116   unsexed 9.0 - 31.5 SL  0.970  0.078 0.0909 51  Brazil Madiera River, Amazon / 2008-2011 
0.01120 3.150   unsexed             25  Peru Iquitos, 1972-73 
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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 = 2, geometric mean a = 0.0200, mean b = 3.13, SD log10(W) = 0.0000, SD log10(a) = 0.2002 SD b = 0.0173
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