Table 5b. Discard estimates for Mid Atlantic yellowtail flounder, 1994-2001 from logbook (VTR) data (observer data, OB, also listed for comparison).
Trawl Discards
OB kept
OB discard
OB d/k
VTR kept
VTR discard
VTR d/k
landings
discards
year
half
1994
1
0.054
0.004
0.07
0.292
0.062
0.2127
63.1
13.4
2
0.001
0.024
47.20
0.675
0.043
0.0639
93.3
6.0
1995
0.000
1.436
0.692
0.4817
5.2
2.5
2.994
0.170
0.0568
11.1
0.6
1996
0.00
24.362
1.442
0.0592
83.3
4.9
0.345
22.607
0.815
0.0361
66.0
2.4
1997
1.925
0.133
84.408
3.500
0.0415
451.7
18.7
0.381
9.887
0.714
0.0723
71.3
5.1
1998
29.147
2.302
0.0790
117.5
9.3
0.018
0.002
0.13
12.033
0.765
0.0636
86.0
5.5
1999
0.009
103.788
4.402
0.0424
409.9
17.4
9.022
0.484
0.0536
57.7
3.1
2000
0.030
21.36
46.856
0.968
0.0206
152.8
3.2
6.269
0.424
14.233
0.467
0.0328
65.3
2.1
2001
0.079
38.375
0.956
0.0249
206.5
0.003
4.040
0.175
0.0433
27.7
1.2
Dredge Discards
0.045
0.037
0.82
0.320
0.445
1.392
69.1
96.2
0.006
4.57
0.091
0.068
0.747
12.6
9.4
0.245
8.24
0.889
0.494
0.556
1.8
0.014
0.361
25.62
0.439
0.426
0.971
1.6
0.081
0.856
10.54
0.859
0.370
0.430
2.9
1.3
0.674
12.57
0.529
1.150
2.174
1.5
3.4
0.211
0.863
4.10
1.179
0.628
0.533
6.3
0.095
0.200
2.11
0.894
0.284
0.317
6.4
2.0
0.023
0.103
4.48
1.410
1.281
0.909
5.7
0.058
144.50
0.839
0.578
0.689
4.1
0.015
0.126
8.37
1.126
0.166
0.147
35.1
0.052
0.0
0.122
0.227
1.859
3.8
0.033
0.077
0.261
3.387
0.1
0.4
all
1.699
27.398
0.9
24.6