Résultats de la recherche

1. Variation in foraging effort by lactating Antarctic fur seals: response to simulated increased foraging costs

   provisioning young at a central location, and by the fasting abilities of the young, are likely to maximize ... energy delivery to the young by maximizing the rate of energy delivery averaged over the whole period of ... investment. Reduction in food availability or increased foraging costs will alter the optimal behavior of ... individuals. This study examined the behavioral adaptations of a diving predator, the Antarctic fur seal to ...

   Meeting Document : WG-EMM-97/08 : Auteur(s): Walker, T.R., McCafferty, D.J., Boyd, I.L.

2. 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.

3. 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

4. Proposition d'une édition spéciale de CCAMLR Science

   . However, in recent years there has been a decrease in the number of papers submitted to CCAMLR Science for ... recommendation made by the Scientific Committee, and that the creation of marine protected areas (MPA) in the ... Area of the Convention have become one of the main issues currently debated in CCAMLR, Argentina and ... Chile propose the publication of a special volume of CCAMLR Science, addressing the issue of CCAMLR MPAs ...

   Meeting Document : SC-CAMLR-XXXVI/16 : Auteur(s): Delegations of Argentina and Chile

5. 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

6. 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

7. 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)

8. 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)

9. 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)

10. 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

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