Résultats de la recherche

1. Observation of seabirds in the Southern Ocean in 1988/89

   :00; 12:00, 16:00 and 20:00 ship-time, while sailing between Antarctic stations and while en route to ... for key). GO (V ;- -t sof - Fig.9. 80 .90 -r- "I- The abundance of four species of ... their numbers never exceeded 10. Only once, on 30 December 1988, when the vessel was sailing across an ... 73°30'S in the Pacific sector. Most often single birds were observed and it was rare for two to be ... 1989). (See Figure 2 for key) . lA ~ GO -\- 90 i- -r- 7'- Fig.4. The abundance of birds ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Auteur(s): Vagin, A.V. and V.V. Popov

2. Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)

   (Subareas 48.2 and 48.3) Abstract / Description:  This paper provides an assessment of the impact of the ... Antarctic ecosystem. Krill are dominant primary consumers and constitute an important food source for ... 20-year fi shing history, the precautionary catch limit had never been approached. Furthermore, the ... pre-exploitation biomass for that year or about 3% of the total allowable catch (SC-CAMLR, 2001 ... further. This makes an even stronger case for the estimated removal intensity being of minor importance ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Auteur(s): Kasatkina, S.M. and V.F. Ivanova

3. 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 : Auteur(s): Miller, D.G.M.

4. 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 ... - t' mean age of fish, 3.42 years age of year class which is fully represented in catches and does ... years The analysis of the age composition curve shows that not all two year old fish were represented ...

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

5. 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 : Auteur(s): Mangel, M.

6. 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 : Auteur(s): Blank, O., P. Retamal, P. Abalos and D. Torres

7. 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 ... 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 ... last year and with average(s) of previous years. Determine level of statistical significance of ...

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

8. 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 : Auteur(s): Lockhart, S.J. and C.D. Jones

9. 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 : Auteur(s): Everson, I.

10. 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 ... data in turn may be useful, in the future, for predicting year class strength of exploited species ... successfully raised in rabbits and testing is being carried out for cross reactions with other pelagic ...

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

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