CRD 01-03

Table 7. Silver hake biomass indices from NEFSC fall and spring surveys for northern, southern, and combined stock areas.
Year
Northern Area Fall
Northern Area Spring
Southern Area Fall
Southern Area Spring
Combined Area Fall
Combined Area Spring
Mean Weight (kg) Per Tow
Stderr
Mean Weight (kg) Per Tow
Stderr
Mean Weight (kg) Per Tow
Stderr
Mean Weight (kg) Per Tow
Stderr
Mean Weight (kg) Per Tow
Stderr
Mean Weight (kg) Per Tow
Stderr
1963
25.418
6.200
 
 
3.418
0.840
 
 
12.081
2.528
 
 
1964
4.415
0.878
 
 
2.908
0.525
 
 
3.499
0.471
 
 
1965
6.475
1.802
 
 
3.773
0.653
 
 
4.834
0.818
 
 
1966
4.124
0.765
 
 
1.760
0.274
 
 
2.688
0.346
 
 
1967
2.158
0.576
 
 
2.186
0.303
 
 
2.175
0.291
 
 
1968
2.048
0.546
0.036
0.017
2.693
0.341
3.756
1.615
2.439
0.298
2.296
0.981
1969
2.635
0.583
0.192
0.053
1.256
0.171
2.202
0.430
1.797
0.251
1.413
0.262
1970
3.034
0.798
14.133
13.352
1.332
0.174
1.233
0.176
2.000
0.331
6.297
5.243
1971
2.466
0.498
0.406
0.125
2.210
0.363
2.192
0.301
2.310
0.295
1.491
0.190
1972
6.085
0.947
1.702
0.649
2.000
0.437
1.399
0.209
3.603
0.457
1.518
0.285
1973
4.150
0.575
3.126
0.980
1.699
0.297
4.968
0.710
2.661
0.289
4.245
0.578
1974
3.764
1.034
2.682
0.504
0.862
0.177
3.474
0.552
2.001
0.420
3.163
0.389
1975
8.234
1.127
9.720
2.769
1.840
0.299
6.486
1.372
4.350
0.478
7.768
1.375
1976
12.632
2.762
8.829
1.702
2.062
0.279
4.110
0.724
6.211
1.097
5.963
0.800
1977
7.593
2.474
3.699
0.626
1.773
0.431
4.553
0.713
4.058
1.006
4.217
0.498
1978
7.072
0.970
0.813
0.145
2.931
0.698
5.307
0.932
4.556
0.570
3.542
0.569
1979
6.651
0.974
1.617
0.314
1.741
0.205
2.342
0.562
3.669
0.402
2.058
0.363
1980
6.655
1.205
4.151
0.638
2.122
0.734
2.779
0.474
3.903
0.650
3.318
0.382
1981
4.057
1.024
2.269
0.380
1.166
0.166
3.761
0.557
2.301
0.415
3.174
0.369
1982
5.450
3.063
1.346
0.272
1.651
0.329
2.018
0.459
3.143
1.219
1.754
0.299
1983
9.205
1.884
1.507
0.332
3.200
1.124
1.376
0.241
5.558
1.006
1.428
0.196
1984
3.621
0.783
1.090
0.174
1.558
0.470
2.209
0.549
2.369
0.419
1.770
0.340
1985
8.583
1.406
2.645
0.742
3.907
1.926
2.642
0.464
5.743
1.294
2.643
0.405
1986
14.194
2.324
3.247
0.802
1.388
0.240
2.672
0.475
6.415
0.924
2.898
0.427
1987
9.836
1.375
3.802
0.675
1.619
0.381
3.617
0.881
4.848
0.588
3.690
0.597
1988
6.312
1.229
1.256
0.217
1.830
0.421
1.709
0.340
3.590
0.546
1.531
0.223
1989
12.549
3.221
3.566
0.861
2.120
0.539
2.316
0.554
6.214
1.306
2.806
0.477
1990
15.246
3.805
1.623
0.443
1.645
0.277
3.869
2.400
6.994
1.506
2.985
1.465
1991
11.889
3.480
1.381
0.200
0.907
0.197
1.459
0.355
5.219
1.371
1.428
0.230
1992
14.245
5.407
5.655
1.722
0.978
0.137
0.528
0.185
6.200
2.130
2.549
0.688
1993
8.117
1.565
2.497
0.601
1.329
0.254
1.362
0.493
3.996
0.634
1.809
0.381
1994
6.925
0.977
7.319
3.849
0.799
0.129
2.278
0.793
3.204
0.391
4.263
1.590
1995
13.161
1.953
3.485
0.821
1.641
0.561
0.999
0.400
6.164
0.839
1.975
0.404
1996
7.886
1.233
3.463
1.121
0.431
0.070
6.216
5.698
3.358
0.486
5.135
3.489
1997
5.638
1.113
1.188
0.185
0.842
0.160
0.684
0.113
2.725
0.448
0.883
0.100
1998
21.966
6.752
4.446
0.763
0.620
0.110
0.686
0.190
9.000
2.652
3.435
0.743
1999
11.636
1.142
4.234
0.837
0.870
0.352
1.774
0.679
5.097
0.497
2.415
0.696
2000
 
 
10.002
1.583
 
 
1.049
0.369
 
 
4.909
0.885
 
 
 
 
 
 
 
 
 
 
 
 
 
Average
8.274
 
3.348
 
1.813
 
2.718
 
4.351
 
2.996
 

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 (Modified Jun. 13 2008)