Appendix C. Community composition for each subregion listing dominant species comprising up to 85% of biomass.
TABLE C1. Community composition for each subregion listing dominant species comprising up to 85% of biomass. Change (%) refers to change in number of species comprising up to 85% of biomass from 1970–1990 to 1991–2006. Periods were chosen based on before and after the decorrelation distance fell below 700 km.
|
Before 1991 |
After 1990 |
||||
Change (%) |
Name |
Within |
Cumulative (%) |
Name |
Within |
Cumulative (%) |
SITE |
1 |
|
|
1 |
|
|
-66.7 |
spiny dogfish |
66.3 |
66.3 |
spiny dogfish |
83.3 |
83.3 |
|
winter skate |
8.8 |
75.1 |
|
|
|
|
Atlantic cod |
7.9 |
83.0 |
|
|
|
SUB-REGION |
2 |
|
|
2 |
|
|
-37.5 |
spiny dogfish |
33.8 |
33.8 |
spiny dogfish |
46.2 |
46.2 |
|
winter skate |
15.4 |
49.2 |
winter skate |
21.9 |
68.0 |
|
yellowtail flounder |
10.2 |
59.4 |
goosefish |
5.3 |
73.4 |
|
Atlantic cod |
7.7 |
67.1 |
red hake |
5.2 |
78.6 |
|
goosefish |
7.1 |
74.2 |
Atlantic cod |
5.0 |
83.5 |
|
red hake |
5.2 |
79.5 |
|
|
|
|
silver hake |
3.9 |
83.4 |
|
|
|
|
haddock |
2.6 |
86.0 |
|
|
|
SUB-REGION |
3 |
|
|
3 |
|
|
-12.5 |
winter skate |
20.1 |
20.1 |
haddock |
56.6 |
56.6 |
|
spiny dogfish |
19.7 |
39.8 |
winter skate |
10.4 |
67.0 |
|
haddock |
17.5 |
57.4 |
spiny dogfish |
5.2 |
72.2 |
|
pollock |
12.2 |
69.5 |
Atlantic cod |
4.3 |
76.5 |
|
Atlantic cod |
6.1 |
75.6 |
pollock |
3.4 |
79.8 |
|
white hake |
3.3 |
78.9 |
red hake |
3.0 |
82.8 |
|
goosefish |
3.1 |
82.1 |
silver hake |
2.6 |
85.4 |
|
thorny skate |
2.8 |
84.8 |
|
|
|
SUB-REGION |
4 |
|
|
4 |
|
|
-20.0 |
haddock |
15.7 |
15.7 |
haddock |
26.7 |
26.7 |
|
winter skate |
15.3 |
31.0 |
pollock |
17.6 |
44.4 |
|
pollock |
14.1 |
45.1 |
winter skate |
12.9 |
57.3 |
|
Atlantic cod |
12.0 |
57.1 |
yellowtail flounder |
8.3 |
65.6 |
|
spiny dogfish |
8.5 |
65.6 |
Atlantic cod |
7.7 |
73.3 |
|
red hake |
4.9 |
70.5 |
spiny dogfish |
4.0 |
77.3 |
|
Redfish |
4.3 |
74.8 |
winter flounder |
4.0 |
81.3 |
|
thorny skate |
4.3 |
79.0 |
sea raven |
3.5 |
84.8 |
|
goosefish |
3.6 |
82.7 |
|
|
|
|
yellowtail flounder |
3.2 |
85.8 |
|
|
|
SUB-REGION |
5 |
|
|
5 |
|
|
-25.0 |
haddock |
16.3 |
16.3 |
Redfish |
25.2 |
25.2 |
|
pollock |
16.0 |
32.3 |
haddock |
23.0 |
48.3 |
|
Redfish |
14.8 |
47.1 |
pollock |
11.6 |
59.8 |
|
spiny dogfish |
9.8 |
56.9 |
spiny dogfish |
10.5 |
70.3 |
|
white hake |
8.5 |
65.4 |
silver hake |
6.5 |
76.8 |
|
Atlantic cod |
7.9 |
73.2 |
white hake |
5.3 |
82.2 |
|
goosefish |
5.8 |
79.0 |
|
|
|
|
cusk |
5.5 |
84.5 |
|
|
|
SUB-REGION |
6 |
|
|
6 |
|
|
-55.6 |
spiny dogfish |
36.8 |
36.8 |
spiny dogfish |
63.7 |
63.7 |
|
winter skate |
15.5 |
52.3 |
winter skate |
9.0 |
72.7 |
|
Atlantic cod |
9.0 |
61.3 |
haddock |
6.6 |
79.3 |
|
pollock |
4.6 |
65.9 |
Redfish |
4.7 |
84.0 |
|
Redfish |
4.1 |
69.9 |
|
|
|
|
haddock |
4.0 |
73.9 |
|
|
|
|
thorny skate |
3.7 |
77.6 |
|
|
|
|
winter flounder |
3.4 |
81.0 |
|
|
|
|
silver hake |
3.2 |
84.2 |
|
|
|
SUB-REGION |
7 |
|
|
7 |
|
|
-25.0 |
spiny dogfish |
13.3 |
13.3 |
spiny dogfish |
28.8 |
28.8 |
|
Atlantic cod |
10.9 |
24.2 |
Redfish |
14.5 |
43.3 |
|
pollock |
10.9 |
35.1 |
Atlantic cod |
13.4 |
56.7 |
|
haddock |
8.7 |
43.8 |
winter flounder |
6.8 |
63.6 |
|
winter skate |
6.9 |
50.7 |
haddock |
6.0 |
69.6 |
|
Redfish |
5.7 |
56.4 |
pollock |
4.9 |
74.5 |
|
white hake |
5.5 |
61.9 |
silver hake |
3.6 |
78.1 |
|
goosefish |
4.9 |
66.8 |
red hake |
3.5 |
81.6 |
|
American plaice |
4.2 |
71.0 |
white hake |
3.1 |
84.7 |
|
silver hake |
4.2 |
75.2 |
|
|
|
|
thorny skate |
4.1 |
79.3 |
|
|
|
|
winter flounder |
4.0 |
83.3 |
|
|
|
SUB-REGION |
8 |
|
|
8 |
|
|
-20.0 |
Redfish |
14.9 |
14.9 |
Redfish |
26.5 |
26.5 |
|
white hake |
11.9 |
26.8 |
spiny dogfish |
25.7 |
52.2 |
|
thorny skate |
9.1 |
35.8 |
silver hake |
8.4 |
60.6 |
|
Atlantic cod |
9.0 |
44.8 |
Atlantic cod |
7.6 |
68.2 |
|
pollock |
8.5 |
53.3 |
white hake |
5.2 |
73.4 |
|
spiny dogfish |
6.9 |
60.3 |
pollock |
4.8 |
78.1 |
|
haddock |
6.0 |
66.3 |
haddock |
3.9 |
82.1 |
|
goosefish |
5.7 |
72.0 |
thorny skate |
3.5 |
85.5 |
|
American plaice |
5.4 |
77.4 |
|
|
|
|
silver hake |
5.0 |
82.3 |
|
|
|
SUB-REGION |
9 |
|
|
9 |
|
|
-25.0 |
spiny dogfish |
20.4 |
20.4 |
spiny dogfish |
39.7 |
39.7 |
|
pollock |
18.8 |
39.3 |
Redfish |
14.0 |
53.6 |
|
Redfish |
12.3 |
51.6 |
pollock |
13.7 |
67.4 |
|
haddock |
12.0 |
63.6 |
haddock |
8.1 |
75.5 |
|
white hake |
8.6 |
72.1 |
white hake |
6.4 |
81.9 |
|
Atlantic cod |
5.5 |
77.7 |
Atlantic cod |
4.0 |
85.9 |
|
winter flounder |
3.4 |
81.0 |
|
|
|
|
cusk |
3.4 |
84.4 |
|
|
|
SUB-REGION |
10 |
|
|
10 |
|
|
-33.3 |
spiny dogfish |
22.4 |
22.4 |
spiny dogfish |
44.7 |
44.7 |
|
haddock |
16.9 |
39.3 |
haddock |
17.2 |
61.9 |
|
pollock |
14.3 |
53.7 |
Atlantic cod |
8.6 |
70.4 |
|
Atlantic cod |
11.3 |
64.9 |
pollock |
4.8 |
75.2 |
|
white hake |
4.8 |
69.7 |
Redfish |
4.4 |
79.6 |
|
Atlantic wolffish |
4.1 |
73.8 |
winter flounder |
4.1 |
83.8 |
|
Redfish |
4.1 |
77.9 |
|
|
|
|
winter flounder |
3.2 |
81.1 |
|
|
|
|
winter skate |
3.0 |
84.1 |
|
|
|
SUB-REGION |
11 |
|
|
11 |
|
|
-50.0 |
Redfish |
22.4 |
22.4 |
spiny dogfish |
44.2 |
44.2 |
|
spiny dogfish |
21.2 |
43.6 |
Redfish |
18.2 |
62.4 |
|
haddock |
14.8 |
58.4 |
haddock |
17.2 |
79.7 |
|
pollock |
9.3 |
67.7 |
pollock |
3.5 |
83.2 |
|
Atlantic cod |
6.7 |
74.5 |
|
|
|
|
silver hake |
5.2 |
79.7 |
|
|
|
|
winter flounder |
3.0 |
82.7 |
|
|
|
|
Atlantic wolffish |
2.5 |
85.2 |
|
|
|
SUB-REGION |
12 |
|
|
12 |
|
|
-50.0 |
Redfish |
27.1 |
27.1 |
spiny dogfish |
52.2 |
52.2 |
|
pollock |
19.5 |
46.6 |
Redfish |
21.5 |
73.8 |
|
spiny dogfish |
13.7 |
60.3 |
haddock |
7.3 |
81.1 |
|
haddock |
13.2 |
73.5 |
|
|
|
|
Atlantic cod |
5.6 |
79.0 |
|
|
|
|
silver hake |
5.2 |
84.2 |
|
|
|
SUB-REGION |
13 |
|
|
13 |
|
|
-28.6 |
Redfish |
28.0 |
28.0 |
spiny dogfish |
34.9 |
34.9 |
|
pollock |
18.6 |
46.6 |
Redfish |
16.8 |
51.7 |
|
haddock |
16.5 |
63.1 |
haddock |
12.0 |
63.7 |
|
silver hake |
8.6 |
71.7 |
pollock |
11.5 |
75.2 |
|
spiny dogfish |
5.6 |
77.3 |
silver hake |
8.9 |
84.1 |
|
Atlantic cod |
4.0 |
81.3 |
|
|
|
|
white hake |
3.8 |
85.1 |
|
|
|
SUB-REGION |
14 |
|
|
14 |
|
|
-44.4 |
haddock |
24.8 |
24.8 |
haddock |
55.7 |
55.7 |
|
Redfish |
21.7 |
46.5 |
silver hake |
10.4 |
66.1 |
|
Atlantic cod |
14.8 |
61.4 |
Atlantic cod |
8.9 |
75.0 |
|
silver hake |
6.4 |
67.8 |
yellowtail flounder |
4.9 |
79.9 |
|
yellowtail flounder |
6.1 |
73.9 |
pollock |
4.3 |
84.2 |
|
winter skate |
5.0 |
78.9 |
|
|
|
|
pollock |
2.5 |
81.3 |
|
|
|
|
Atlantic wolffish |
2.2 |
83.5 |
|
|
|
|
spiny dogfish |
2.1 |
85.6 |
|
|
|
SUB-REGION |
15 |
|
|
15 |
|
|
-25.0 |
Atlantic cod |
25.7 |
25.7 |
haddock |
37.2 |
37.2 |
|
Redfish |
18.5 |
44.2 |
Atlantic cod |
26.5 |
63.7 |
|
haddock |
12.2 |
56.4 |
yellowtail flounder |
7.3 |
71.0 |
|
silver hake |
8.0 |
64.4 |
American plaice |
4.7 |
75.7 |
|
yellowtail flounder |
6.8 |
71.3 |
silver hake |
4.5 |
80.2 |
|
pollock |
5.7 |
77.0 |
spiny dogfish |
3.3 |
83.5 |
|
American plaice |
5.5 |
82.4 |
|
|
|
|
goosefish |
3.4 |
85.8 |
|
|
|
SUB-REGION |
16 |
|
|
16 |
|
|
-12.5 |
Redfish |
32.3 |
32.3 |
Redfish |
39.4 |
39.4 |
|
pollock |
13.5 |
45.7 |
pollock |
16.9 |
56.3 |
|
Atlantic cod |
9.6 |
55.3 |
haddock |
8.2 |
64.5 |
|
yellowtail flounder |
7.0 |
62.3 |
yellowtail flounder |
6.2 |
70.8 |
|
haddock |
6.4 |
68.7 |
Atlantic cod |
5.6 |
76.4 |
|
white hake |
5.8 |
74.6 |
white hake |
4.7 |
81.1 |
|
winter skate |
5.8 |
80.4 |
thorny skate |
3.8 |
84.8 |
|
American plaice |
5.4 |
85.8 |
|
|
|
SUB-REGION |
17 |
|
|
17 |
|
|
50.0 |
Redfish |
35.3 |
35.3 |
Redfish |
49.2 |
49.2 |
|
Atlantic cod |
21.4 |
56.8 |
white hake |
11.0 |
60.2 |
|
white hake |
17.3 |
74.0 |
American plaice |
7.3 |
67.5 |
|
American plaice |
9.0 |
83.1 |
winter skate |
6.9 |
74.3 |
|
|
|
|
haddock |
5.6 |
79.9 |
|
|
|
|
pollock |
5.1 |
85.0 |
SUB-REGION |
18 |
|
|
18 |
|
|
0.0 |
Redfish |
35.8 |
35.8 |
Redfish |
44.5 |
44.5 |
|
Atlantic cod |
28.7 |
64.4 |
Atlantic cod |
23.4 |
67.9 |
|
white hake |
11.2 |
75.7 |
white hake |
12.7 |
80.7 |
|
pollock |
6.0 |
81.7 |
American plaice |
4.4 |
85.1 |