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1. An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort

   will curtail their fishing trips. This leads to a negative correlation between the amount of fishing ... , the more often the illegal fishers will curtail their fishing trips. This leads to a negative correlation ... for an area can be given by: est i i F P D= ∑ (2) where Di is an estimation of the maximum fi shing ... - verts the sum of maximum fi shing estimates to an expected number of illegal fi shing days. Di ... on the latest or earliest dates on which it was possible to fi sh the area, or Di could be set to some ... in the calculation of Di is that the previous and subsequent patrol vessels would have detected the illegal fi ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Author(s): Ball, I

2. Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector

   to the sorting area for weighing. Additional basket loads were counted and dis- carded. In this way, an average ... - munities, if not for disturbance. The severity of dis- turbance regime, whether by icebergs or by fishing ... ; Gordon et al., 2000). This pattern effectively mirrors the dis- tribution of echinoderm-dominated ... immediately to its east, while on the other hand appears to parallel the sparsely popu- lated communities ... Paper Title:  Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the ... Southern Ocean Atlantic sector Abstract / Description:  Bioregionalisation of Antarctic and Southern Ocean ... shelf communities ideally incorporates a range of data on physical, environmental and biological ... properties. Analysis of the benthic invertebrate megafaunal assemblages of shelf habitats within the Atlantic ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Author(s): Lockhart, S.J. and C.D. Jones

3. Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean

   -areas: 48.1 (East), 48.1 (West), 48.2, 48.3, 48.4, 48.5 and 88. Total areas and sea areas were given ... Data were tabulated for FAO sub-areas: 48.1 (East), 48.1 (West), 48.2, 48.3, 48.4, 48.5 and 88 ... 1. Everson (united Kingdom) Abstract Data were tabulated for FAO sub-areas: 48.1 (East), 48.1 (West ... of the Southern Ocean, British Antarctic Survey, Cambridge, 1984. Table 1 FAO sub-area 48.1 (East) 48.1 ... 6, 13 2 183 316 7, 14 1 133 807 8, 15 Table 2 FAO Subarea 48.1 (East). Coordinates % Sea area ... 48.1 (East) 5.6 3.2 11.6 79.6 218101 226989 *Subdivision 12 is outside of Subarea 48.1 Table ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Author(s): Everson, I.

4. CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island

   60 58S~~------------~I------------~------------~ 55 THE MIDDLE TEN DAYS OF J_~~. '88 64 58 ... in the first and middle 10 days of January in the 1987/88 season. 328 58S~6~5_W ... . 329 58 5 ,--6--,5:-W _______ 6,O ______ 5,5,--______ 5--,0 58 5 1 1 60 62 64 THE MIDDLE ... 1 ,~) 1 ,-'\=. 1 L-~ ______________ ~ ____ ~:~: ~/~~'------~--------------~64 65W 60 55 50 Figure 2c: Trawling positions of Japanese trawlers in the middle and last 10 days ... Paper Title:  CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the ... fishing ground north of Livingston Island Abstract / Description:  In order to identify whether or not ... there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Author(s): Endo, Y. and T. Ichii

5. Survey design to estimate krill abundance during FIBEX

   from the pack ice zone (Marr 1962; Mackintosh 1973) with the abundance decreasing rapidly some ... krill. In: the Antarctic Discovery Reports 36: 96-156. 258 MARR, J.W.S. 1962. The natural history ... of the primary aims of FIBEX (First International BIOMASS Experiment), 1981 was to study the ... methodology for assessing the abundance of krill. The survey design used in the southwest Atlantic study area ... of the FIBEX is described in this paper. Sampling involved the use of echo sounders for estimating ... krill abundance as well as collection of data on the size, density and distribution of krill swarms. In ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 253–263 : Author(s): Everson, I., I. Hampton and G.M. Jolly

6. Some thoughts on precautionary measures for the krill fishery

   (1972) 64 Laws (1984) Seals (1982) 128 Laws (1984) Birds 33 Croxall(1984) Squid (1 OO?) Everson (1977 ... derived from other CEMP monitoring parameters such as growth rates, foraging trip duration, meal size ... :  The concept of precautionary measures for krill is discussed. A precautionary catch limit, based on ... takes account of the requirements of land-based predators. Implementation of the approach is discussed ... and the question of how the method relates to the current CCAMLR Ecosystem Monitoring Program (CEMP ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Author(s): Everson, I. and W.K. de la Mare

7. Acoustic estimates of krill density at South Georgia, 1981 to 1998

   density was higher to the east. File:  04brierley-etal.pdf ... density was higher to the east. ... density was higher to the east. Resume Estimations acoustiques de la densite du krill antarctique ... et al. (1991) and Goss and Everson (1996) respectively. Krill often exhibit pronounced die ... -transect surveys exhibiting both the highest and lowest variances (1998 east and west South Georgia box ... to the east of South Georgia (high variance) only 15 of the possible 210 four-transect means fell outside ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Author(s): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson

8. Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica

   and Naganobu (1996) show that for the South Shetland Islands region the dominant current is the west–east fl ... with net transport of krill in a west-to-east direction. Importantly, these areas could be considered ... be divided into east and west at 46°W and the South Georgia fi shery could be divided into east and west ... and South Georgia areas is evident, with the important areas being to the west and to the east ... the principles and approach required for developing small-scale management units to take account of ... considering the scales of management units involving the integration of local populations of harvested species ... , foraging areas of predators, fishing grounds and the potential influences of the environment, including ... oceanography and metapopulation structure of the harvested species. The integration of these components ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Author(s): Constable, A.J. and S. Nicol

9. Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines

   Paper Title:  Comparison of two methods to assess fish losses due to depredation by killer whales ... Comparison of two methods to assess fish losses due to depredation by killer whales and sperm ... i j k l di j k l d i j k l d B c c E c =å å (1) where Bi,j,k,l (cd) is the amount of fish biomass cap ... ® as follows: ( ) ( ) ( ) , , , , , , , , , CPUE i j k l di ... hooks in each cell (amount ranges from 724 to 10 538 individuals). CPUE methodCPUE method G re na di ... er m et ho d G re na di er m et ho d a = 0.89 R2 = 0.90 a = 0.97 R2 = 0.96 (j) (l) 11 ...

   Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Author(s): Gasco, N., P. Tixier, G. Duhamel and C. Guinet

10. Effects of recruitment variability and natural mortality on generalised yield model projections and the CCAMLR decision rules for Antarctic krill

    by the CCAMLR decision rules for different gamma levels have been based on the Beta dis- tribution ... , or in such methods as CMIX, is based on the size dis- tribution in each year being independent of the size ... are believed to be the source of production for a larger area to the north and east, including supplying ... does not meet the deci- sion criteria at half the precautionary catch limit (Figure 8(a), middle ... Paper Title:  Effects of recruitment variability and natural mortality on generalised yield model ... natural mortality rate of 0.8 and recruitment variability generated using a Beta distribution for ... proportional recruitment of krill. In this study, krill sampling data for empirical size frequencies were ... supplied to the GYM as the ‘vector of recruitments’ input option to simulate the population dynamics of ...

    Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 81–96 : Author(s): Kinzey, D., G. Watters and C.S. Reiss

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