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Length-Weight Parameters for Syngnathus acus
Length-weight (log a vs b) graph
    [n=16]
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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
0.00072 2.883   mixed 11.0 - 29.3 SL  0.958      225  Spain East coast, 1995 
0.00010 2.894   unsexed 9.1 - 25.3 TL  0.999  0.148   21  Turkey Southern Agean Sea / 2009-2010. 
0.00040 2.980   unsexed 5.4 - 21.2 TL  0.860      77  Turkey Candarli Bay, north Aegean Sea, 2006-2008 
0.00040 3.069   unsexed 10.3 - 37.8 TL  0.964  1.387   15  Turkey Erdek Bay (27°20'- 27°52' E; 40°18'-40°28' N), Sea of Marmara, 2000-2001 
0.00038 3.074 yes  juvenile 4.6 - 21.6 SL  0.961      133  South Africa estuaries, 1993-99 
0.00030 3.115   unsexed 21.3 - 28.4 TL  0.926  0.394   17  Turkey northern Sea of Marmara, 2006-2007 (Nov.-Mar.) 
0.00040 3.122 yes  juvenile 7.6 - 13.9 TL  0.958      22  Croatia River Cetina estuary, middle Adriatic, 2000-2004 
0.00022 3.270   unsexed 2.7 - 23.0 SL  0.970  0.100   153  Greece Eastern Ionian Sea / 2008-2010. 
0.00032 3.300   unsexed 2.6 - 24.8 SL  0.970  0.050   390  Greece Eastern Ionian Sea / 2008-2010. 
0.00020 3.330   unsexed 7.1 - 34.6 TL  0.989  0.088 0.1249   Portugal Arade estuary, central Algarve, 2004-2007 
0.00023 3.350   unsexed 2.6 - 24.8 SL  0.980  0.080   237  Greece Eastern Ionian Sea / 2008-2010. 
0.00020 3.408   unsexed 6.0 - 20.0 TL  0.999  0.033   67  Turkey Homa lagoon / 2009-2010. 
0.00010 3.423   unsexed 14.9 - 33.6 TL  0.910  1.104   47  Greece North Aegean Sea (Thracian Sea) (39°35’-40°54’N; 24°22’-25°33’E), 1996-98 
0.00006 3.527 Yes  unsexed 25.0 - 33.0 TL        4  UK Moray Firth, North Sea, 1985 
0.00021 3.540 No  unsexed 3.3 - 25.6 TL  0.951  0.030   570  Turkey Camalti Lagoon, Izmir Bay, Aegean Sea, 2000-2002 
0.00010 3.729 yes  juvenile 8.3 - 12.4 TL  0.958      5  Greece Porto-Lagos, NE Aegean, 1988-90 
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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 = 0.0002, mean b = 3.21, SD log10(W) = 0, SD log10(a) = 0.2332 SD b = 0.2095
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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