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Length-Weight Parameters for Merluccius merluccius
Length-weight (log a vs b) graph
    [n=9]
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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
0.01300 2.813   male 15.0 - 60.0 TL          Spain North and Northwest Iberian waters, 1996-97 
0.00800 2.942   female 15.0 - 78.0 TL          Spain North and Northwest Iberian waters, 1996-97 
0.00659 3.017   unsexed 5.0 - 86.0 TL  0.990      79159  Spain N and NW Iberian waters, 1980-98 
0.00558 3.060   unsexed 6.0 - 86.0 TL  0.990      14339  Spain N and NW Iberian waters, 1984-97 
0.00473 3.100   unsexed 11.0 - 79.0 TL  0.990      7429  Spain N and NW Iberian waters, 1984-92 
0.00480 3.124   unsexed 4.4 - 67.8 TL  0.980      2065  Spain Gulf of Cadiz / 2009 - 2011 
0.00430 3.129 yes  juvenile 8.7 - 38.9 TL  0.980      234  Portugal Algarve, 1996-97 
0.00400 3.161   unsexed 17.1 - 70.5 TL  0.937      1108  Portugal off westean coast (Póvoado Varzim to Figueira da Foz, 1994, Nazaré to St André, 1997) 
0.00320 3.249   unsexed 17.7 - 55.3 TL  0.966  0.069     Portugal Algarve, 1998-2000 
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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 = 8, geometric mean a = 0.0055, mean b = 3.07, SD log10(W) = 0.02, SD log10(a) = 0.1667 SD b = 0.1192
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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