Résultats de la recherche

1. Extension to the krill-predator modelling exercise

   Abstract:  The krill-predator modelling calculations of Thomson and Butterworth (1995) are ... extended to take account of a number of the suggestions made at the 1995 meeting of the CCAMLR Working ... Group on Ecosystem Monitoring and Management. The resilience of the Antarctic fur seal population to ... krill harvesting is found to be strongly dependent on the estimate of the maximum annual growth rate (R ...

   Meeting Document : WG-EMM-96/67 : Auteur(s): Thomson, R.B., Butterworth, D.S.

2. Preliminary results from a krill net sampling survey in CCAMLR Area 48.1 in 1989/90 season

   occurred NE and SE of Elephant Island, north of the South Shetland Islands, in the central Bransfield ... estimated stock biomass of 950,000 tonnes. The zooplankton, however, was dominated by salps in the entire ... region. The krill stock consisted of subadult and adult stages. Nain concentrations of gravid females ... were detected north of the South Shetland Islands. No spawning occurred in the Bransfield Strait and in ...

   Meeting Document : SC-CAMLR-IX/BG/09 Rev. 1 : Auteur(s): Delegation of EEC

3. Progressing towards responsible, science-based and highly precautionary krill fisheries management

   Abstract:  Improving the management of the krill fishery is a key priority for ASOC. In this paper ... , we recommend several key actions that CCAMLR should take to ensure that management of the krill ... fishery remains highly precautionary and protects the needs of the full range of krill predators ... decision-making frameworks in a workshop, implementing these approaches before the expiry of CM 51-07, and ...

   Meeting Document : SC-CAMLR-XXXVI/BG/31 : Auteur(s): Submitted by ASOC

4. Monitoring, control and surveillance undertaken by Chile during 2018/19 season

   Abstract:  In compliance with the commitments undertaken within the framework of the Commission ... for the Conservation of Antarctic Marine Living Resources (CCAMLR), the State of Chile conducts ... Fishing Inspection Operations in the area of the Convention. Every year, the Second Commanders of Navy ... inspections to fishing vessels to the South of the 60 th parallel with the aim to verify the effective ...

   Meeting Document : CCAMLR-38/BG/29 : Auteur(s): Delegation of Chile

5. Krill (Euphausia superba Dana) resources and distribution in the Wilkes Land area in the seasons 1986 to 1989

   the seasons 1986 to 1989 Abstract / Description:  Results of krill (Euphausia superba Dana) resource ... account an area to the north of the edge of the continental slope. Each subarea was described in terms of ... the number of krill aggregations, regularity of their observations, krill density and total krill ... conditions and extent of the ice cover. If ice conditions are favourable, the subarea between 143° and 150°E ... paper in terms of distribution and total biomass of Euphausia superba. Fishing for krill was done by a ... V.P.Timonin* Abstract Results of krill (Euphausia superba Dana) resource surveys carried out along the ... the north of the edge of the continental slope. Each subarea was described in terms of the number of ... krill aggregations, regularity of their observations, krill density and total krill biomass. It was ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 149–162 : Auteur(s): Dolzhenkov, V.N. and V.P.Timonin

6. Mackerel icefish size and age at South Georgia and Shag Rocks

   -frequency distribution of C. gunnari from 10 bottom trawl surveys at South Georgia and 9 at Shag Rocks ... (Spring). Mean total lengths (TL) of age-classes were determined for each year by examining length ... modality in the length-frequency distributions. Lengths of age-classes derived by these two methods were ... differences in mortality between localities. To compensate for variation in the time of surveys, the mean TL ...

   Meeting Document : WG-EMM-03/7 : Auteur(s): A.W. North (United Kingdom)

7. Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years

   of a commercial fishery (Nicol et al. 2010; Watters et al. 2013), recent declines in seasonal sea-ice ... estimates of krill biomass, habitat use, and association with top predators to examine these likely ... interactions. Krill were virtually absent in offshore waters of the Drake Passage during all three winters ... , compared to summer. In Bransfield Strait, median krill abundance was an order of magnitude higher (8 krill ...

   Meeting Document : WG-EMM-15/05 : Auteur(s): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)

8. Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions

   Abstract:  The CCAMLR system for assessing risk of fisheries mortalities to seabirds has been ... waters of the CCAMLR convention area. Annual review of the information by used CCAMLR Working Group on ... Incidental Mortality Associated with Fishing for the assessments of risk, and performance of fisheries within ... these zones is undertaken, resulting in a dynamic system of assessment and response by the CCAMLR ...

   Meeting Document : WG-FSA-06/33 : Auteur(s): S. Waugh (New Zealand)

9. Marine debris and fishing gear associated with seabirds at sub Antarctic Marion Island – 1998/99

   Abstract:  Most (52%) of the 306 debris items found in association with seabirds at Marion Island ... of fishing gear, followed by southern giant petrels Macronectes giganteus. Standardized searches of ... wandering albatross study colonies showed that there had been a slight decrease in the accumulation rate of ... much higher than the 1996/97 season. This is consistent with a decrease in the number of unsanctioned ...

   Meeting Document : SC-CAMLR-XVIII/BG/14 : Auteur(s): Delegation of South Africa

10. Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2

    Abstract:  Large fluctuations in abundance are a persistent feature of the populations of mackerel ... . Australia recommends the development of a limit reference point, such that the commercial catch limit for ... completed. In years with a zero commercial catch limit, a combined bycatch and research catch limit of 30 ... tonnes would allow the continued monitoring of the stock through annual trawl surveys.  Australia ...

    Meeting Document : WG-FSA-11/34 : Auteur(s): Delegation of Australia

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