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1. On the intensity of sampling krill trawl catches

   uses actual krill length-frequency data in an attempt to address the problem of the determination of ... be discerned (e.g., length-with-age). At present, and in the interests of both statistical rigour and ... stages; • for most purposes a minimum sample size of at least 100 animals/trawl is necessary to obtain ... 120 100 90 80 70 60 50 40 30 20 10 30 35 i i i i i i i i i i i i i ... confidence limits (90%). To estimate the minimum detectable difference in length for a given sample size in ... WG-KRILL-90/27 ON THE INTENSITY OF SAMPLING KRILL TRAWL ... CATCHES D.G.M. Miller* Abstract This paper uses actual krilllength-frequency data in an attempt to ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 29–48 : Автор(ы): Miller, D.G.M.

2. Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf

   for Patagonian rockcod (Patagonotothen guntheri shagensis) were calculated by using age and length ... of natural mortality M=0.8 was used in calculations and the optimal age and length for harvesting ... Patagonian rockcod were found to be 2.5 years and 12.6 cm. File:  09-Shilbanov.pdf ... the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years and 12.6 cm ... 30 g weight and age of 2 to 3 years. The sex ratio of fish is actually the same in all size classes ... . The calculations were made starting with modal age class of 3 years (Figure 2). For recording the ... , % 60 -40 20 n=1470 2. 3 Lt 5 6 Age, years Figure 2: Age composition of P.g. shagensis in ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Автор(ы): Shlibanov, V.I.

3. Analysis and modelling of the Soviet Southern Ocean krill fleet

   / Description:  The first part of this document contains an analysis of data pertaining to the Soviet krill ... support the notion of a “patches within patches” model for the distribution of krill in the southern ... aggregate into swarms of krill. The swarms then aggregate into concentrations, which are the foci for the ... model is developed for a survey vessel that does no fishing, but simply locates concentrations of krill ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 127–235 : Автор(ы): Mangel, M.

4. Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica

   -vascular fluid for this serological research. We recognise the c-ELISA test as the best option in this ... regard, and suggest that Brucella spp. has an extended distribution and is probably found worldwide in ... Medicina Preventiva Animal Facultad de Ciencias Veterinarias y Pecuarias Universidad de Chile Casilla ... suggest the utility of extra-vascular fluid for this serological research. We recognise the c-ELISA test ... as the best option in this regard, and suggest that Bvclcelln spp. has an extended distribution and ... INTRODUCTION Brucellosis is an infectious disease that mainly affects the reproductive system of animals ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Автор(ы): Blank, O., P. Retamal, P. Abalos and D. Torres

5. Use of indices of predator status and performance in CCAMLR fishery management

   specific approach is provided, involving an assessment procedure and recommendations for management action ... used in the management, by CCAMLR, of commercial fisheries. It reviews reasons why it is important for ... inherent in the CEMP data, both from predator monitoring and harvesting perspectives. An outline of a ... recommendations for restrictions on the magnitude, timing and location of harvesting are reviewed,taking account ... environment, evidence for short-term changes (year-to-year differences or trends over three to five years ... determine overall nature of predators' response to that years environmental circumstances. (ii) For each ... site, review overall pattern of responses. 3.1.3 Recommendations Make recommendations for ... catch in an area requires regular reporting of catches by all vessels and a system for informing them ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 353–365 : Автор(ы): Croxall, J.P.

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

   sector, from scientific survey trawl catches, reveals distributional patterns. For the northern Antarctic ... total biomass data and the composition of phyla that contribute to that biomass. An examination of ... . Patterns of benthic invertebrate biomass are also described for the South Orkney Islands, as well as ... general patterns of phylum-level composition for South Georgia, the South Sandwich and Bouvet Islands ... communities for com- parative purposes, with an ultimate aim of identi- fying and understanding broader-scale ... averaged 17.9 m and 9.1 m respectively. The target time for a gear deployment was 30 min on the bottom ... target time for a gear deployment was 30 min on the bottom. Time on the bottom was measured by means of ... - elled into baskets. Up to 20 baskets of benthos were transferred to the sorting area for weighing ...

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

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

   Antarctic Peninsula regions of the Southern Ocean Abstract / Description:  Data were tabulated for FAO sub ... -areas: 48.1 (East), 48.1 (West), 48.2, 48.3, 48.4, 48.5 and 88. Total areas and sea areas were given for ... these categories. Areas estimated from admiralty charts were expressed as percentages for the following ... ;500m. Extra detailed information was presented for subdivisions 50, 51, and 52 of sub-area 48.3. File ... (km2 ) Subdivision N S E W 0-50 50-150 150-250 250-500 )500 Sea Total 62°00' 62°20' 59°30' 60°00 ... ' 2.2 8.7 44.6 44.6 956 957 2 62°00' 62°20' 58°30' 59°30' 91.6 2.9 3.7 1.8 1359 1934 3 62°00' 62°20 ... ' 57°30' 58°30' 27.6 6.4 12 54 1500 1934 4 62°20' 62°40' 57°30' 58°30' 0 0 0 100 1898 1898 5 62°20 ... ' 62°40' 58°30' 59°30' 9.5 2.7 3.2 84.5 1809 1898 6 62°20' 62°40' 59°30' 60°00' 63.3 8.7 9.7 18.4 772 ...

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

8. Cephalopod research in the Antarctic

   trophic relations. However, there is insufficient information at present for CCAMLR to formulate effective ... policy for management of Antarctic cephalopods. In view of the rapidity that cephalopod fisheries can ... develop there is need for co-ordinated international research effort. Any commercial fishing for ... Antarctic Living Marine Resources (CCAMLR) should be preparing plans for an effective management strategy ... determined with reasonable confidence. Studies at SAS on size at age for the species from the Falkland ... successfully raised in rabbits and testing is being carried out for cross reactions with other pelagic ... Cephalopoda as well as publishing a newsletter. It provides an international forum for scientific exchange ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Автор(ы): Rodhouse, P.G.

9. Fish distribution and biomass in the Heard Island zone (Division 58.5.2)

   Island and the McDonald Islands, an Australian Territory around which a 200-mile EEZ has been declared ... . In order to assess the potential of this area for commercial fishing, and to obtain some preliminary ... data for its  management, three random stratified surveys were conducted to investigate the ... distribution, abundance and biology of the most important species, covering a number of years and seasons. Five ... following changes were Each haul was for 30 minutes duration on the made with respect to summer 1992 ... (1985), the largest size class should be about 15 years old. The length frequencies for both autumn ... years. This supports the notion of the older spawning fish having left the area. Except for the banks ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 0 30 60 90 120 150 180 210 240 270 300 330 360 390 420 Standard length (mm) Standard length (mm ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Автор(ы): Williams, R. and W.K. de la Mare

10. The survivorship of rays discarded from the South Georgia longline fishery

    12 hours, adjusted for the ‘50% survivorship’ category of Table 1. 0% 20% 40% 60% 80% 100 ... -1 0 1 2 sex F M length s( le ng th ) 70 80 90 100 110 -2 -1 0 1 2 3 pa rti al fo r l ... Endicott et al. (2000) suggested this is not the case for the majority of skate by-catch in the longline ... only skates that are alive and undamaged are selected, with animals not being deemed fi t for tagging ...

    Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 155–164 : Автор(ы): Endicott, M. and D.J. Agnew

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