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Length-Weight Parameters for Raja brachyura
Length-weight (log a vs b) graph
    [n=5]
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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
0.00422 3.132   mixed     TL        9  UK Engld Wal not specified (ICES division), 1986 
0.00281 3.233   unsexed 17.0 - 105.0 TL  0.992      100  France East and West Channel 
0.00210 3.270   unsexed   - 91.5 TL        1  France Mediterranean 
0.00140 3.376   male 12.0 - 96.5 TL  0.970      930  Sardinian waters, 2005-2013 
0.00120 3.439   female 13.1 - 105.5 TL  0.980      862  Sardinian waters, 2005-2013 
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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 = 5, geometric mean a = 0.0019, mean b = 3.31, SD log10(W) = 0.0361, SD log10(a) = 0.1921 SD b = 0.1044
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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