Species and
estimate |
Population size
|
CV
|
Body mass (kg)
|
Days in GOM
|
Individual consumption (kg/day)
|
Population consumption (kg/day)
|
Populaion consumption (mt/year)
|
Proportion of herring in diet
|
Total herring consumption (mt/year)
|
|
|
[A]
|
|
[B]
|
|
[C]
|
A x C = [D]
|
D x 182 or 365 = [E]
|
[F]
|
E x F = [G]
|
|
Fin whale
|
|
|
|
|
|
|
|
|
|
|
High estimate
|
4,293
|
0.59
|
30,000
|
182
|
469.5
|
2,015,563
|
366,833
|
0.17
|
62,362
|
|
Best estimate
|
2,700
|
0.59
|
30,000
|
182
|
469.5
|
1,267,650
|
230,712
|
0.17
|
39,221
|
|
Low estimate
|
1,107
|
0.59
|
30,000
|
182
|
469.5
|
519,737
|
94,592
|
0.17
|
16,081
|
|
Minke whale
|
|
|
|
|
|
|
|
|
|
|
High estimate
|
3,472
|
0.31
|
4,500
|
182
|
102.9
|
357,269
|
65,023
|
0.34
|
22,108
|
|
Best estimate
|
2,650
|
0.31
|
4,500
|
182
|
102.9
|
272,685
|
49,629
|
0.34
|
16,874
|
|
Low estimate
|
1,828
|
0.31
|
4,500
|
182
|
102.9
|
188,101
|
34,234
|
0.34
|
11,648
|
|
Humpback whale
|
|
|
|
|
|
|
|
|
||
High estimate
|
2,828
|
0.067
|
25,000
|
182
|
405.8
|
1,147,602
|
208,864
|
0.17
|
35,507
|
|
Best estimate
|
2,650
|
0.067
|
25,000
|
182
|
405.8
|
1,075,370
|
195,717
|
0.17
|
33,272
|
|
Low estimate
|
2,473
|
0.067
|
25,000
|
182
|
405.8
|
1,003,543
|
182,645
|
0.17
|
31,046
|
|
Pilot whale
|
|
|
|
|
|
|
|
|
|
|
High estimate
|
1,035
|
0.55
|
850
|
365
|
27.1
|
28,059
|
10,242
|
0.05
|
512
|
|
Best estimate
|
668
|
0.55
|
850
|
365
|
27.1
|
18,103
|
6,608
|
0.05
|
330
|
|
Low estimate
|
301
|
0.55
|
850
|
365
|
27.1
|
8,146
|
2,973
|
0.05
|
149
|
|
Harbor porpoise
|
|
|
|
|
|
|
|
|
|
|
High estimate
|
61,902
|
0.14
|
41
|
365
|
2.4
|
148,565
|
54,226
|
0.51
|
27,655
|
|
Best estimate
|
54,300
|
0.14
|
41
|
365
|
2.4
|
130,320
|
47,567
|
0.51
|
24,260
|
|
Low estimate
|
46,698
|
0.14
|
41
|
365
|
2.4
|
112,075
|
40,907
|
0.51
|
20,863
|
|
White-sided dolphin
|
|
|
|
|
|
|
|
|
||
High estimate
|
33,252
|
0.63
|
120
|
365
|
5.7
|
189,536
|
69,181
|
0.5
|
35,591
|
|
Best estimate
|
20,400
|
0.63
|
120
|
365
|
5.7
|
116,280
|
42,442
|
0.5
|
21,221
|
|
Low estimate
|
7,548
|
0.63
|
120
|
365
|
5.7
|
43,024
|
15,704
|
0.5
|
7,852
|
|
Harbor seal
|
|
|
|
|
|
|
|
|
|
|
Best estimate
|
30,990
|
none
|
61
|
365
|
3.3
|
102,267
|
37,328
|
0.13
|
4,853
|
|
Gray seal
|
|
|
|
|
|
|
|
|
|
|
Best estimate
|
2,010
|
none
|
94
|
365
|
4.7
|
9,447
|
3,448
|
0.38
|
1,310
|
|