Appendix D. Reference observations from Hill et al. (2008) for validating and tuning operating models for krill fishery management.
TABLE D1. Numerical calendar of krill biomass (scaled to mean = 1) for the two groupings of SSMUs identified in the SAM calendar.
Year |
Subareas 48.1 & 48.2 |
Subarea 48.3 |
1970 | 1.41 | 1.30 |
1971 | 1.41 | 1.30 |
1972 | 1.41 | 1.30 |
1973 | 1.41 | 1.30 |
1974 | 1.41 | 1.30 |
1975 | 1.41 | 1.30 |
1976 | 1.41 | 1.30 |
1977 | 1.41 | 1.30 |
1978 | 1.41 | 1.30 |
1979 | 1.41 | 1.30 |
1980 | 1.41 | 1.30 |
1981 | 1.41 | 1.27 |
1982 | 1.41 | 1.23 |
1983 | 1.41 | 1.20 |
1984 | 1.41 | 1.17 |
1985 | 1.41 | 1.14 |
1986 | 0.70 | 1.10 |
1987 | 0.70 | 1.07 |
1988 | 0.70 | 1.04 |
1989 | 0.70 | 1.01 |
1990 | 0.70 | 0.97 |
1991 | 0.70 | 0.94 |
1992 | 0.70 | 0.91 |
1993 | 0.70 | 0.88 |
1994 | 0.70 | 0.84 |
1995 | 0.70 | 0.81 |
1996 | 0.70 | 0.78 |
1997 | 0.70 | 0.75 |
1998 | 0.70 | 0.71 |
1999 | 0.70 | 0.68 |
2000 | 0.70 | 0.65 |
2001 | 0.70 | 0.65 |
2002 | 0.70 | 0.65 |
2003 | 0.70 | 0.65 |
2004 | 0.70 | 0.65 |
2005 | 0.70 | 0.65 |
2006 | 0.70 | 0.65 |
2007 | 0.70 | 0.65 |
TABLE D2. Numerical calendar for the abundance of generic penguins: abundance in “observation years” identified in the literature and at key points in the SAM calendar.
SSMU |
Observation year |
Empirical abundance estimate |
1977 | 1980 | 2007 | |
1 | APPA | |||||
2 | APW | 1987 | 253873 | 400726 | 101895 | |
3 | APDPW | 1987 | 74798 | 118065 | 30021 | |
4 | APDPE | 1990 | 1084367 | 1962804 | 499095 | |
5 | APBSW | 1971 | 1160224 | 1790575 | 455301 | |
6 | APBSE | 1985 | 298817 | 430517 | 109470 | |
7 | APEI | 1977 | 1413511 | 1413511 | 359423 | |
8 | APE | 1985 | 823403 | 1186308 | 301650 | |
9 | SOPA | |||||
10 | SOW | 1983 | 2286 | 3006 | 764 | |
11 | SONE | 1983 | 584507 | 768650 | 195450 | |
12 | SOSE | 1983 | 2003958 | 2635284 | 670091 | |
13 | SGPA | |||||
14 | SGW | 1977 | 6642811 | 6642811 | 3653546 | |
15 | SGE | 1977 | 564496 | 564496 | 310473 |
TABLE D3. Numerical calendar for the abundance of generic seals.
SSMU |
Empirical abundance estimate (1991) |
1995 | 1988 | 2007 | |
1 | APPA | ||||
2 | APW | ||||
3 | APDPW | 12204 | 18974 | 18974 | |
4 | APDPE | 211 | 328 | 328 | |
5 | APBSW | ||||
6 | APBSE | ||||
7 | APEI | 1002 | 1558 | 1558 | |
8 | APE | ||||
9 | SOPA | ||||
10 | SOW | ||||
11 | SONE | ||||
12 | SOSE | ||||
13 | SGPA | ||||
14 | SGW | 611054 | 511541 | 1576913 | |
15 | SGE | 6090 | 5098 | 15716 |
TABLE D4. Numerical calendar for the abundance of generic baleen whales. The final three columns sum data for the Antarctic Peninsula and Scotia Sea areas into a single SSMU in each.
SSMU |
Empirical abundance estimate (2000) |
1980 | 2007 | 2000 | 1980 | 2007 | |
1 | APPA | 9233 | 3098 | 13531 | 13788 | 4626 | 20207 |
2 | APW | 767 | 257 | 1124 | |||
3 | APDPW | 330 | 111 | 484 | |||
4 | APDPE | 341 | 114 | 500 | |||
5 | APBSW | 460 | 154 | 674 | |||
6 | APBSE | 600 | 201 | 879 | |||
7 | APEI | 773 | 259 | 1133 | |||
8 | APE | 1284 | 431 | 1882 | |||
9 | SOPA | 6808 | 2244 | 10039 | 15694 | 5173 | 23143 |
10 | SOW | 131 | 43 | 193 | |||
11 | SONE | 86 | 28 | 127 | |||
12 | SOSE | 126 | 42 | 186 | |||
13 | SGPA | 7737 | 2550 | 11409 | |||
14 | SGW | 354 | 117 | 522 | |||
15 | SGE | 452 | 149 | 667 |
TABLE D5. Estimates of krill density (kg·km-2) and the abundance of generic penguins, seals and whales in 1970. The final column sums whale data for the Antarctic Peninsula and Scotia Sea areas into a single SSMU in each.
SSMU |
Krill density |
Penguins | Seals | Whales |
Whales (2 areas) |
|
1 | APPA | 22.4 | 1794 | 2680 | ||
2 | APW | 75.4 | 241540 | 149 | ||
3 | APDPW | 75.4 | 71164 | 1203 | 64 | |
4 | APDPE | 75.4 | 1183090 | 21 | 66 | |
5 | APBSW | 75.4 | 1079278 | 89 | ||
6 | APBSE | 75.4 | 259496 | 117 | ||
7 | APEI | 75.4 | 852001 | 99 | 150 | |
8 | APE | 75.4 | 715053 | 250 | ||
9 | SOPA | 49 | 1288 | 2970 | ||
10 | SOW | 300.8 | 1811.99 | 25 | ||
11 | SONE | 300.8 | 463307 | 16 | ||
12 | SOSE | 300.8 | 1588430 | 24 | ||
13 | SGPA | 49 | 1464 | |||
14 | SGW | 78.6 | 6642811 | 70208 | 67 | |
15 | SGE | 78.6 | 564496 | 700 | 86 |
LITERATURE CITED
Hill, S., J. Hinke, É. E. Plagányi, and G. Watters. 2008. Reference observations for validating and tuning operating models for krill fishery management in area 48. Workshop document presented to WG-SAM subgroup of CCAMLR (Commission for the Conservation of Antarctic Marine Living Resources), WG-SAM-08. 16 pp.