PRESENT STATUS OF THE SHRIMP TRAWL FISHERY IN THE ...
PRESENT STATUS OF THE SHRIMP TRAWL FISHERY IN THE ...
PRESENT STATUS OF THE SHRIMP TRAWL FISHERY IN THE ...
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Shrimp trawl fishery in the west coast of Sri Lanka 29<br />
Average catch rate<br />
(kg/craft-day)<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
6<br />
5<br />
4<br />
3<br />
2<br />
1<br />
Average wind velocity<br />
(m/sec)<br />
0<br />
0<br />
J-98<br />
M<br />
M<br />
J<br />
S<br />
N<br />
J-99<br />
M<br />
M<br />
J<br />
S<br />
N<br />
Month<br />
Shrimps Fish Total Wind velocity<br />
Figure 3. Monthly variation in the mean catch rates of different components of the<br />
non-mechanised trawls and the average wind velocity<br />
45<br />
6<br />
Average catch rate (kg/craft<br />
day)<br />
40<br />
35<br />
30<br />
25<br />
20<br />
15<br />
10<br />
5<br />
5<br />
4<br />
3<br />
2<br />
1<br />
Average wind velocity<br />
(m/sec)<br />
0<br />
0<br />
J-98<br />
M<br />
M<br />
J<br />
S<br />
N<br />
J-99<br />
M<br />
M<br />
J<br />
S<br />
N<br />
Month<br />
Shrimps Fish Total Wind velocity<br />
Figure 4. Monthly variation in the average catch rates of different components of the<br />
mechanised trawls and the average wind velocity
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