| CRD 03-03 Table 5a. Discard estimates for Cape Cod yellowtail
flounder, by fishery. |
|
Large-mesh Trawl Fishery |
year
|
half
|
observed
kept
(mt) |
discard (mt)
|
d/k
|
total
landings |
discards
(mt) |
discard
lengths |
|
1998
|
1 |
0.1551 |
0.0095 |
0.061 |
355 |
21.8 |
6 |
|
2 |
0.1810 |
0.0230 |
0.127 |
426 |
54.1 |
7 |
|
1999
|
1 |
0.0091 |
0.0014 |
0.150 |
282 |
42.3 |
48 |
|
2 |
2.2226 |
0.0945 |
0.043 |
564 |
24.0 |
0 |
|
2000
|
1 |
10.6743 |
0.4195 |
0.039 |
871 |
34.2 |
608 |
|
2 |
1.1785 |
0.0431 |
0.037 |
1079 |
39.4 |
45 |
|
2001
|
1 |
5.9789 |
0.6183 |
0.103 |
789 |
81.6 |
42 |
|
2 |
6.3832 |
1.6209 |
0.254 |
1311 |
332.8 |
890 |
|
Gillnet Fishery |
year
|
half
|
observed
kept (mt) |
discard (mt)
|
d/k |
total
landings |
discards
(mt) |
|
|
1998
|
1 |
33.6627 |
0.5355 |
0.016 |
360 |
5.7 |
5101 |
|
2 |
1.1959 |
0.0290 |
0.024 |
23 |
0.5 |
159 |
|
1999
|
1 |
16.6555 |
0.3622 |
0.022 |
207 |
4.5 |
521 |
|
2 |
3.3086 |
0.0174 |
0.005 |
36 |
0.2 |
5 |
|
2000
|
1 |
29.5608 |
0.4748 |
0.016 |
295 |
4.7 |
426 |
|
2 |
0.1919 |
0.0095 |
0.050 |
32 |
1.6 |
3 |
|
2001
|
1 |
13.1767 |
0.1202 |
0.009 |
223 |
2.0 |
63 |
|
2 |
1.2431 |
0.0095 |
0.008 |
35 |
0.3 |
0 |
|
Small-mesh Trawl Fishery |
|
year |
half |
observed
effort (d) |
discard (mt) |
mt/d |
|
total
effort |
discards
(mt) |
|
|
1998
|
1 |
0.0000 |
0.0000 |
0.046 |
* |
74 |
3.4 |
0 |
|
2 |
0.0000 |
0.0000 |
0.046 |
* |
308 |
14.0 |
0 |
|
1999
|
1 |
0.0000 |
0.0000 |
0.046 |
* |
39 |
1.8 |
0 |
|
2 |
0.4583 |
0.0209 |
0.046 |
|
214 |
9.7 |
0 |
|
2000
|
1 |
0.0000 |
0.0000 |
0.009 |
* |
27 |
0.2 |
0 |
|
2 |
9.0417 |
0.0794 |
0.009 |
|
201 |
1.8 |
0 |
|
2001
|
1 |
0.8125 |
0.0123 |
0.015 |
|
51 |
0.8 |
0 |
|
2 |
1.0792 |
0.0014 |
0.001 |
|
121 |
0.2 |
0 |
|
Scallop Dredge Fishery |
|
year |
half |
observed
effort (d) |
discard (mt) |
mt/d
|
total
effort |
discards
(mt) |
|
|
1998
|
1 |
0.6250 |
0.0302 |
0.048 |
1019 |
49.2 |
19 |
|
2 |
7.0833 |
0.5643 |
0.080 |
1379 |
109.8 |
296 |
|
1999
|
1 |
2.7917 |
0.0372 |
0.013 |
1092 |
14.6 |
23 |
|
2 |
6.7500 |
0.0445 |
0.007 |
1478 |
9.7 |
11 |
|
2000
|
1 |
0.0000 |
0.0000 |
0.045* |
772 |
34.6 |
0 |
|
2 |
0.0000 |
0.0000 |
0.045* |
1045 |
46.8 |
0 |
|
2001
|
1 |
0.2583 |
0.0116 |
0.045 |
284 |
12.7 |
0 |
|
2 |
0.0000 |
0.0000 |
0.045* |
384 |
17.2 |
0 |
* assumed from adjacent cell
|
Table 5b. Discard estimates for the northern Gulf of Maine yellowtail flounder,
by fishery. |
|
Trawl Fishery | |
|
year |
half |
observed
kept |
observed
discard |
d/k |
landings |
discards |
discard
lengths |
|
1989
|
1 |
0.097 |
0.010 |
0.103 |
121 |
12 |
26 |
|
2 |
0.029 |
0.005 |
0.186 |
45 |
8 |
0 |
|
1990
|
1 |
0.034 |
0.010 |
0.294 |
117 |
34 |
8 |
|
2 |
0.007 |
0.002 |
0.265 |
80 |
21 |
0 |
|
1991
|
1 |
0.273 |
0.063 |
0.231 |
152 |
35 |
10 |
|
2 |
0.122 |
0.047 |
0.387 |
86 |
33 |
0 |
|
1992
|
1 |
0.196 |
0.055 |
0.282 |
129 |
36 |
0 |
|
2 |
0.720 |
0.017 |
0.024 |
56 |
1 |
0 |
|
1993
|
1 |
0.036 |
0.002 |
0.050 |
71 |
4 |
0 |
|
2 |
0.681 |
0.082 |
0.120 |
72 |
9 |
2 |
|
1994
|
1 |
0.000 |
0.000 |
0.235 |
220 |
52 |
0 |
|
2 |
0.000 |
0.000 |
0.501 |
55 |
28 |
0 |
|
1995
|
1 |
0.014 |
0.006 |
0.454 |
70 |
32 |
5 |
|
2 |
0.002 |
0.006 |
2.478 |
26 |
63 |
14 |
|
1996
|
1 |
0.013 |
0.004 |
0.311 |
82 |
26 |
11 |
|
2 |
0.000 |
0.060 |
0.501 |
13 |
7 |
147 |
|
1997
|
1 |
0.003 |
0.001 |
0.185 |
46 |
9 |
1 |
|
2 |
0.000 |
0.000 |
0.501 |
10 |
5 |
0 |
|
1998
|
1 |
0.038 |
0.012 |
0.314 |
45 |
14 |
38 |
|
2 |
0.000 |
0.000 |
0.501 |
17 |
8 |
0 |
|
1999
|
1 |
0.000 |
0.000 |
0.235 |
69 |
16 |
0 |
|
2 |
0.000 |
0.000 |
0.501 |
23 |
12 |
0 |
|
2000
|
1 |
0.660 |
0.079 |
0.119 |
78 |
9 |
102 |
|
2 |
0.186 |
0.066 |
0.353 |
44 |
15 |
27 |
|
2001 |
1 |
0.158 |
0.039 |
0.247 |
103 |
25 |
190 |
|
2 |
0.206 |
0.041 |
0.199 |
32 |
6 |
64 |
|
Shrimp Fishery |
|
year |
half |
observed
effort |
observed
discard |
d/e |
effort |
discards |
discard
lengths |
|
1989
|
1 |
11 |
0.017 |
0.002 |
8200 |
13 |
18 |
|
2 |
4 |
0.014 |
0.004 |
1361 |
5 |
8 |
|
1990
|
1 |
19 |
0.067 |
0.004 |
8647 |
31 |
83 |
|
2 |
2 |
0.003 |
0.002 |
1111 |
2 |
0 |
|
1991
|
1 |
35 |
0.171 |
0.005 |
7402 |
36 |
222 |
|
2 |
5 |
0.020 |
0.004 |
566 |
2 |
0 |
|
1992
|
1 |
62 |
0.322 |
0.005 |
7413 |
39 |
175 |
|
2 |
3 |
0.002 |
0.001 |
385 |
0 |
2 |
|
1993
|
1 |
45 |
0.127 |
0.003 |
5666 |
16 |
394 |
|
2 |
1 |
0.003 |
0.003 |
492 |
1 |
0 |
|
1994
|
1 |
35 |
0.047 |
0.001 |
4777 |
6 |
86 |
|
2 |
4 |
0.010 |
0.002 |
1213 |
3 |
70 |
|
1995
|
1 |
34 |
0.052 |
0.002 |
8494 |
13 |
212 |
|
2 |
6 |
0.008 |
0.001 |
1971 |
3 |
29 |
|
1996
|
1 |
13 |
0.020 |
0.002 |
9656 |
15 |
88 |
|
2 |
2 |
0.004 |
0.002 |
2135 |
4 |
14 |
|
1997
|
1 |
6 |
0.003 |
0.000 |
9648 |
4 |
9 |
|
2 |
0 |
0.000 |
0.002 |
1086 |
3 |
0 |
|
1998
|
1 |
0 |
0.000 |
0.002 |
6295 |
15 |
0 |
|
2 |
0 |
0.000 |
0.002 |
311 |
1 |
0 |
|
1999
|
1 |
0 |
0.000 |
0.002 |
3811 |
9 |
0 |
|
2 |
0 |
0.000 |
0.002 |
0 |
0 |
0 |
|
2000
|
1 |
0 |
0.000 |
0.002 |
3382 |
8 |
0 |
|
2 |
0 |
0.000 |
0.002 |
0 |
0 |
0 |
|
2001 |
1 |
2 |
0.002 |
0.001 |
2963 |
3 |
0 |
|
2 |
0 |
0.000 |
0.002 |
0 |
0 |
0 |
|
Gillnet Fishery |
|
year |
half |
observed
kept |
observed
discard |
d/k |
landings |
discards |
discard
lengths |
|
1989
|
1 |
0.000 |
0.000 |
0.323 |
25 |
8 |
0 |
|
2 |
0.013 |
0.004 |
0.323 |
2 |
1 |
0 |
|
1990
|
1 |
0.049 |
0.012 |
0.249 |
29 |
7 |
0 |
|
2 |
0.004 |
0.012 |
2.878 |
1 |
3 |
0 |
|
1991
|
1 |
0.074 |
0.011 |
0.147 |
12 |
2 |
1 |
|
2 |
0.069 |
0.075 |
1.099 |
1 |
1 |
3 |
|
1992
|
1 |
0.968 |
0.095 |
0.098 |
11 |
1 |
40 |
|
2 |
0.065 |
0.026 |
0.403 |
1 |
0 |
7 |
|
1993
|
1 |
1.292 |
0.098 |
0.076 |
13 |
1 |
31 |
|
2 |
0.010 |
0.003 |
0.308 |
1 |
0 |
1 |
|
1994
|
1 |
0.662 |
0.005 |
0.007 |
44 |
0 |
4 |
|
2 |
0.222 |
0.003 |
0.011 |
2 |
0 |
1 |
|
1995
|
1 |
2.794 |
0.015 |
0.005 |
27 |
0 |
36 |
|
2 |
0.083 |
0.001 |
0.008 |
1 |
0 |
1 |
|
1996
|
1 |
2.775 |
0.004 |
0.001 |
11 |
0 |
3 |
|
2 |
0.055 |
0.001 |
0.026 |
0 |
0 |
1 |
|
1997
|
1 |
7.112 |
0.008 |
0.001 |
17 |
0 |
7 |
|
2 |
0.067 |
0.000 |
0.000 |
1 |
0 |
0 |
|
1998
|
1 |
0.031 |
0.002 |
0.075 |
11 |
1 |
0 |
|
2 |
0.003 |
0.000 |
0.000 |
0 |
0 |
0 |
|
1999
|
1 |
0.076 |
0.000 |
0.000 |
23 |
0 |
0 |
|
2 |
0.003 |
0.002 |
0.500 |
6 |
3 |
0 |
|
2000
|
1 |
0.267 |
0.000 |
0.000 |
10 |
0 |
2 |
|
2 |
0.002 |
0.000 |
0.000 |
1 |
0 |
0 |
|
2001 |
1 |
0.047 |
0.007 |
0.145 |
6 |
1 |
0 |
|
2 |
0.003 |
0.000 |
0.000 |
2 |
0 |
0 |
| |
|