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Length-Weight Parameters for Ictalurus punctatus
Length-weight (log a vs b) graph
    [n=13]
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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
0.01110 2.956   unsexed     TL        145  USA Lake Erie 
0.02450 3.056 yes  unsexed     TL        154  USA Canton Lake, Oklahoma 
0.00571 3.132   unsexed 17.8 - 55.9 TL        988  USA Georgia, rivers 
0.00539 3.133   unsexed 7.6 - 66.0 TL  0.986      558  USA Des Moines River, Iowa, 1955-56 
0.00331 3.166   unsexed               St. Laurent River, Quebec 
0.00292 3.256   unsexed 17.8 - 61.0 TL        278  USA Georgia, rivers 
0.00540 3.290   unsexed 22.5 - 48.2 SL  0.960  0.470 0.7324 13  Brazil Iguatemi River / 2006-2008 
0.00289 3.300   unsexed 20.3 - 55.9 TL          USA Salt River, Missouri 
0.01050 3.407 yes  unsexed 17.8 - 86.4 TL        4617  USA Oklahoma 
0.00849 3.516 yes  unsexed 10.2 - 63.5 TL        85  USA Kentucky Lake, Tennessee 
0.00075 3.658   female     TL  0.921        USA Watts Bar Lake, Tennessee 
0.00080 3.660   unsexed     TL          USA Mississippi River, Iowa 
0.00064 3.739   male     TL  0.884        USA Watts Bar Lake, Tennessee 
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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 = 10, geometric mean a = 0.0026, mean b = 3.34, SD log10(W) = 0.0000, SD log10(a) = 0.4098 SD b = 0.2510
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