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Length-Weight Parameters for Salmo trutta
Length-weight (log a vs b) graph
    [n=80]
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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
0.04764 2.535   female     TL           
0.02990 2.586   Unsexed               Poland Gowienica River, 1980-84 
0.02520 2.674   unsexed     FL  0.988        UK Engld Wal Trout Beck system 
0.02523 2.770   female     TL           
0.01738 2.770   female     TL           
0.06918 2.820   mixed     FL    0.251 0.6034 158  UK Scotland Loch of Strathbeg / 1973 
0.01585 2.880   female     TL           
0.01585 2.880   female     FL  0.970        Spain central Spain 
0.01585 2.880   female     TL           
0.01600 2.890   mixed     FL    0.231   133  Turkey Kan Stream, Çoruh Basin / winter, 2001 
0.01540 2.890   unsexed     FL  0.994        UK Engld Wal Trout Beck system 
0.01310 2.905   juvenile     FL  0.970        UK Engld Wal Trout Beck system 
0.01700 2.910   mixed     FL    0.366   149  Turkey Kan Stream, Çoruh Basin / fall, 2001 
0.01410 2.913   female 12.0 - 38.6       0.0593 1000  UK Cow Green reservoir 
0.01500 2.914   unsexed               France Vèbre River 
0.01303 2.916   juvenile     FL  0.934        UK Engld Wal Trout Beck system 
0.01320 2.920   unsexed     FL          UK Engld Wal Llyn Tegid, Wales 
0.01510 2.920   Unsexed     FL  0.980      1008  Portugal Vade, Lima river system, 1995-97 
0.01370 2.930   Unsexed     FL  0.980      646  Portugal Estorãos, Lima river system 
0.01600 2.930   Unsexed     FL  0.990  0.212 0.0071 50  Turkey Kuzu Lake, upper Çoruh River, 2002 
0.01500 2.930   Unsexed     FL  0.990  0.383 0.0128 163  Turkey Aksu Stream, Upper Coruh River, 2002 (Aug.) 
0.01500 2.932   Mixed 6.0 - 23.0 FL        163  Turkey Aksu Stream, Çoruh River (alt: 2800-2900 m), 2002 
0.01340 2.940   Unsexed     FL  0.980      524  Portugal Trovela, Lima river system 
0.01445 2.940   male     TL           
0.01445 2.940   male     FL  0.980        Spain central Spain 
0.01240 2.950   Unsexed     FL  0.980      21  Portugal Froufe, Lima river system 
0.00415 2.950   mixed             1074  Greece Aspropotamos stream (March 1981- February 1982) 
0.00410 2.950   mixed 4.1 - 24.0 SL        1074  Greece Aspropotamus Stream, 1981-82 
0.01230 2.951   Unsexed               Poland Osowka river 
0.00981 2.958   unsexed 3.5 - 69.0 TL  0.971        USA GMUG National Forest / 2000-2007 
0.02200 2.960   unsexed             286  USA Logan River, Utah 
0.01127 2.960   unsexed     TL        1003  USA Pigeon River, Michigan 
0.01470 2.960   male     FL    0.433   239  Turkey Kan Stream, Çoruh Basin / 2001 
0.02010 2.960   unsexed     SL        386  USA Logan River, Utah 
0.01410 2.960   female     FL    0.474   250  Turkey Kan Stream, Çoruh Basin / 2001 
0.01410 2.970   mixed     FL    0.474   509  Turkey Kan Stream, Çoruh Basin / 2001 
0.01250 2.980   female     TL           
0.01260 2.984   unsexed 6.0 - 25.4 TL  0.990  0.301   94  Turkey Biga Peninsula / 2000-2001. 
0.01200 2.985   unsexed               France Viau River 
0.00933 2.990   female     TL           
0.01190 2.990   Unsexed     FL  0.980      122  Portugal Labruja, Lima river system, 1995-97 
0.01070 2.996   mixed 4.8 - 22.2 TL  0.992      49  Spain Irues River, Cinca, Huesa Province, 2004 (June; August) 
0.00916 3.000   Unsexed     TL  0.950      30  Iran Kelyare, Mazandaran province 
0.01100 3.000   unsexed               UK Engld Wal Lake District 
0.01180 3.000   Unsexed     FL  0.980      93  Portugal Tamente, Lima river system 
0.01080 3.003   unsexed     TL          USA New York 
0.01070 3.003   unsexed               USA New York 
0.01150 3.009   female 12.0 - 35.2       0.0922 1000  UK River Tees and tributaries 
0.01240 3.010   mixed     FL    0.342   130  Turkey Kan Stream, Çoruh Basin / spring, 2001 
0.01110 3.010   unsexed 4.8 - 51.8 TL  0.990  0.020 0.0241 776  Belgium Flanders (Yser, Scheldt and Meuse drainage basin), 1992-2009 
0.01070 3.013   unsexed     FL  0.988        UK Engld Wal Trout Beck system 
0.00970 3.036   mixed 5.5 - 23.4 TL  0.990      49  Spain Caldares River, Gállego, Huesa Province, 2004 (June; August) 
0.01120 3.040   mixed     FL    0.500   100  Turkey Kan Stream, Çoruh Basin / summer, 2001 
0.01200 3.040   Unsexed     FL  0.990  0.247 0.0062 38  Turkey Koyun Lake, upper Çoruh River, 2002 
0.00832 3.040   female     TL           
0.01100 3.070   Unsexed     FL  0.990  0.250 0.0100 25  Turkey Göbekli Lake, upper Çoruh River, 2002 
0.00759 3.070   female     TL           
0.00741 3.090   female     TL           
0.00794 3.090   female     TL           
0.00854 3.100   Unsexed     TL  0.990      31  Iran Pajimiane, Mazandaran province 
0.00813 3.100   female     TL           
0.00800 3.106   mixed 6.5 - 23.0 TL  0.997  0.143 0.2041 63  Ukraine Strwiaz River, Dniester River / 2008 
0.00708 3.120   female     TL           
0.00549 3.122   unsexed     TL  0.980      806  Norway Lake _vre Heimdalsvatn, 1969 
0.00676 3.130   female     TL           
0.00675 3.142   Unsexed               Poland Osowka river 
0.00152 3.159 YES  unsexed 34.3 - 86.4 TL        53  USA Pathfinder Lake, Wyoming 
0.00740 3.164   mixed 2.8 - 31.0 TL  0.988      225  Spain Larraun River, Navarra (42°57' N, 1°50' W), 1996-98 (August) 
0.00585 3.189   unsexed     TL          USA New York 
0.00378 3.189 YES  unsexed               USA New York 
0.00534 3.200   Unsexed     TL  0.980      41  Iran Shirinrood, Mazandaran province 
0.00265 3.200   Unsexed     TL  0.970      35  Iran Lar, Mazandaran province 
0.00520 3.216   mixed 10.5 - 33.4 TL  0.986      18  Spain middle Cinca, Huesa Province, 2004 (June; August) 
0.00434 3.217   Unsexed 18.2 - 105.5 TL  0.984  0.479 0.7553 211  Italy Lago Maggiore, 2000-2009 
0.00469 3.227   unsexed       0.996      174  Finland Bay of Bothnia, Baltic Sea 
0.00500 3.238   mixed 14.7 - 30.7 TL  0.984      25  Spain middle Gállego River, Huesa Province, 2005 (September) 
0.00360 3.278   Mixed 82.0 - 130.0 TL  0.971        Russia Caspian Sea/1916-1977 
0.00344 3.400   Unsexed     TL  0.970      9  Iran Khojirood, Mazandaran porvince 
0.00282 3.400   Unsexed     TL  0.930      25  Iran Rigcheshme, Mazandaran province 
0.00621 3.495   juvenile     FL  0.977        UK Engld Wal Trout Beck system 
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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 = 78, geometric mean a = 0.0102, mean b = 3.02, SD log10(W) = 0, SD log10(a) = 0.2478 SD b = 0.1597
Estimate weight for given length: (cm) = (g) 95% range - (g)
Search for more references on length-weight:    Scirus
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