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Length-Weight Parameters for Trachurus lathami
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
0.04430 2.598   unsexed 10.4 - 17.9 SL  0.957  0.204 0.2314 32  Mexico Gulf of Mexico / 2016-2017. 
0.01040 2.900   Unsexed 4.5 - 17.0 TL  0.946      383  Brazil Southeastern region, 1995-1996 
0.01140 2.910   mixed 6.0 - 19.0 TL          Brazil southern region 
0.01050 2.933   mixed     TL          Brazil Southwestern EEZ of Brazil. 
0.00958 2.940   male     TL          Brazil southern region 
0.00997 2.943   Male     TL          Brazil Southeastern and southern regions, 1983-1989 
0.00902 2.991   Unsexed 6.0 - 17.8 TL  0.988      250  Brazil Southeastern region (São Sebastião System), São Paulo, 1997 
0.00800 3.000   Female     TL          Brazil Southeastern and southern regions 
0.00851 3.004   Female     TL          Brazil Southeastern and southern regions 
0.00851 3.027   unsexed 1.5 - 20.7 TL  0.969  0.615   859  Brazil South-Southeast EEZ /1996, 1997. 
0.00473 3.206   unsexed 4.6 - 15.8 TL  0.936  0.130 0.1670 199  Brazil Southeastern coast / 2004-2006. 
0.00194 3.467   unsexed 10.9 - 22.5 TL  0.980      123  Brazil Rio Grande do Sul (28°-34°S) 
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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 = 0.0087, mean b = 3.00, SD log10(W) = 0.0806, SD log10(a) = 0.3308 SD b = 0.2189
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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