Solution for both trawl net and purse seine
For both trawl net and purse seine
1. Relative CPUE for both gears
R(Y) = Yield(Y1)x Relative CPUE +Yield (Y2)xRelative CPUE / Yield(Y1)+Yield(Y2)
1. R (1998) = = 1.0569
2. R(1999) = 0.9581
3. R(2000) = 0.9107
4. R(2001) = 1.1362
Sl.No. |
Year |
YT |
R(y) |
Relative effort = YT / R(y) |
1. |
1998 |
3000 |
1.0569 |
2838.4899 |
2. |
1999 |
4000 |
0.9581 |
4174.9295 |
3. |
2000 |
7500 |
0.9107 |
8235.4233 |
4. |
2001 |
6000 |
1.1362 |
5280.7604 |
Total |
20529.6031 |
Mean YT/R = 20529.6031 / 4