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Length-Weight Parameters for Leucoraja erinaceus
Length-weight (log a vs b) graph
    [n=12]
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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
0.00779 2.972   mixed       0.903      119  USA Mid-Atlantic 
0.00447 3.080   male 9.0 - 57.0 TL  0.980      2610  USA Atlantic coast / Spring 1992-1999. 
0.00392 3.110   male 10.0 - 54.0 TL  0.966      1989  USA Atlantic coast / Winter 1992-1999. 
0.00366 3.125   male 10.0 - 63.0 TL  0.983      1559  USA Atlantic coast / Autumn 1992-1999. 
0.00393 3.130   mixed 8.0 - 59.0 TL  0.975      5897  USA Atlantic coast / Spring 1992-1999. 
0.00374 3.130   mixed 10.0 - 54.0 TL  0.970      4196  USA Atlantic coast / Winter 1992-1999. 
0.00337 3.160   mixed 6.0 - 63.0 TL  0.981      3555  USA Atlantic coast / Autumn 1992-1999. 
0.00343 3.160   unsexed 11.0 - 53.0 TL  0.967      2177  USA Atlantic coast / Winter 1992-1999. 
0.00333 3.180   unsexed 8.0 - 59.0 TL  0.973      3253  USA Atlantic coast / Spring 1992-1999. 
0.00268 3.184   mixed       0.903      573  USA Southern New England 
0.00308 3.190   female 6.0 - 60.0 TL  0.980      1971  USA Atlantic coast / Autumn 1992-1999. 
0.00258 3.207   mixed     TL  0.903      611  USA Georges Bank 
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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 = 12, geometric mean a = 0.0036, mean b = 3.14, SD log10(W) = 0, SD log10(a) = 0.1153 SD b = 0.0600
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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