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Length-Weight Parameters for Scomber japonicus
Length-weight (log a vs b) graph
    [n=25]
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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
0.02820 2.810   mixed 17.5 - 44.2 TL  0.810        Argentina Mar del Plata, 1984 
0.01960 2.880   unsexed 27.0 - 34.0 TL        24  Cape Verde 1984 
0.01205 2.967   mixed 18.7 - 29.6 FL  0.970      57  Greece G. S. Evvoikos, 1992-93 
0.01060 3.000   female 20.1 - 38.2 TL  0.674      647  Croatia eastern Adriatic Sea, 1998-03 
0.00779 3.061   Unsexed     TL          Brazil São Paulo 
0.00960 3.083   unsexed               Chile Iquique 
0.00640 3.107   unsexed 18.1 - 31.2 TL  0.978  0.485   25  Turkey Gökceada Island (northern Aegean Sea), 2004-2039 
0.00560 3.113 yes  juvenile 17.1 - 22.0 TL  0.950  1.171   11  Turkey NE Mediterranean coast, 2001-2003 
0.00660 3.140   mixed 19.6 - 38.8 TL  0.828      1607  Croatia eastern Adriatic Sea, 1998-03 
0.00363 3.227   unsexed 15.8 - 39.5 TL  0.960  0.705   216  Portugal South coast, 1994-95 
0.00365 3.243   unsexed               France Bay of Biscay 
0.00470 3.250   male 19.6 - 38.4 TL  0.811      453  Croatia eastern Adriatic Sea, 1998-03 
0.00490 3.311   unsexed               South Africa  
0.00452 3.351   unsexed 12.5 - 37.4 FL        7157  Peru Gulf of Guayaguil, 1989-96 
0.00389 3.362   unsexed 6.0 - 41.0 FL          Senegal Senegal 
0.00137 3.394   unsexed       0.988      1232  USA California waters 
0.00889 3.400 yes  juvenile 14.0 - 15.0 TL  0.960        Argentina Buenos Aires-north Patagonian region, 1983-84 
0.00210 3.408   unsexed 15.1 - 47.2 TL  0.982  0.454   805  Portugal off Algarve coast, 1998-00 
0.00291 3.423   unsexed     FL          Chile northern coast 
0.00200 3.442   unsexed 19.5 - 46.4 TL  0.933      323  Portugal off westean coast (Póvoado Varzim to Figueira da Foz, 1994, Nazaré to St André, 1997) 
0.00206 3.450   unsexed 17.3 - 41.9 TL  0.986      111  Brazil Rio Grande do Sul (28°-34°S) 
0.00270 3.457   unsexed               Chile Coquimbo 
0.00250 3.477   unsexed               Chile Arica 
0.00240 3.499   unsexed 20.5 - 33.0 FL  0.996  0.232   16  Turkey Gökova Bay, SE Aegean Sea, 2006 
0.00085 3.704   mixed 22.9 - 33.0 TL  0.940      46  Greece Kyclades, 1997-98 
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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 = 23, geometric mean a = 0.0042, mean b = 3.27, SD log10(W) = 0.1127, SD log10(a) = 0.3736 SD b = 0.2249
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