Bulletin of the Sea Fisheries Institute 2 (153) 2001 - CEEMaR
Bulletin of the Sea Fisheries Institute 2 (153) 2001 - CEEMaR
Bulletin of the Sea Fisheries Institute 2 (153) 2001 - CEEMaR
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10<br />
IRENA BORZÊCKA<br />
Table 2. Selected body growth parameters <strong>of</strong> summer and winter sea trout stocks in 1963-1966 and <strong>the</strong> average condition coefficients<br />
Sample size<br />
Entering <strong>the</strong> river<br />
1st sea body increment<br />
2nd second sea body increment<br />
Average lenght<br />
t value<br />
Average mass<br />
t value<br />
Magnitude <strong>of</strong> 1st sea body increment (d 1 )<br />
t value<br />
Fulton condition coeffitient<br />
t value<br />
Function W = aL b<br />
t value<br />
Winter sea trout 2.1+ 48 1963 67.2 (2.8) 3.9 (0.7) 28 1.28 (0.12) winter sea trout 2.1+<br />
1962<br />
0.39<br />
0.38 7.39*<br />
0.86<br />
Summer sea trout 2.2+ 68 1964<br />
66.8 (6.0) 4.0 (1.3) 22 1.30 (0.13) a = 0.00004, b = 2.707<br />
Winter sea trout 2.1+ 96 1964 68.1 (4.0) 4.1 (0.7) 30,5 1.30 (0.15) summer sea trout 2.2+<br />
1963<br />
5.4*<br />
4.34* 3.71*<br />
1.75<br />
Summer sea trout 2.2+ 79 1965<br />
71.7 (5.1) 4.7 (1.1) 27,5 1.26 (0.15) a = 0.00001, b = 2.975<br />
Winter sea trout 2.2+ 77 1964 79.5 (5.0) 6.4 (1.3) 1.27 (0.14)<br />
1963<br />
0.78<br />
1.37<br />
0.93<br />
Summer sea trout 2.3+ 9 1965<br />
80.9 (5.7) 7.1 (1.7)<br />
1.32 (0.19)<br />
Winter sea trout 2.2+ 22 1965 78.4 (5.6) 6.5 (1.5) 1.32 (0.11)<br />
1964<br />
2.87*<br />
1.62<br />
1.18<br />
Summer sea trout 2.3+ 7 1966<br />
84.9 (3.2) 7.5 (1.3)<br />
1.26 (0.12)<br />
* Differences significant<br />
12.2*
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