Résultats de la recherche

1. A revised estimate of short-term yield for the mackerel icefish (Champsocephalus gunnari) off Heard Island based on a trawl survey in 1998

   in 2000 will be predominantly on Age 5 fish. After this time, catch limits may need to be set at an ... Shell Bank) in the vicinity of Heard Island enabled a revised estimate of yield for the coming 2 seasons ... cohorts are still sufficiently strong to provide for a yield greater than estimates of the long term ... precautionary yield. Estimates of yield for the Heard Island Plateau population are 732 tonnes for 1999 and 518 ...

   Meeting Document : WG-FSA-98/54 : Auteur(s): A. Constable and D. Williams (Australia)

2. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   are then located at random within the survey area. These "two-level" models provide an ... patterns, which are compatible with existing information on the distributions from surveys. "Two-level ... comments on the procedure for testing estimators of krill abundance which utilise survey data Approval ... performance in practice. Such studies require a simple method for computer generation of krill distribution ...

   Meeting Document : WG-KRILL-91/21 : Auteur(s): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)

3. Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in May 2004

   58.5.2 in the vicinity of Heard Island in May 2004 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods. It presents a ... range of sensitivity analysis for the assessment based on deliberations at WG-FSA 2003 with respect to ... Patagonian toothfish (Dissostichus eleginoides) for the Heard Island Plateau region (CCAMLR Division 58.5.2 ...

   Meeting Document : WG-FSA-04/76 : Auteur(s): C.R. Davies, T. Lamb, A.J. Constable and R. Williams (Australia)

4. Examination of the characteristics of the fishery for Dissostichus eleginoides in the CCAMLR Statistical Subarea 48.3 and its implications on estimating trends in catch per unit effort

   and random in haul-by-haul catch and effort data from the longline fishery for Dissostichus ... assessments, particularly the standardisation of the CPUE series. The results indicate that fishing for ... fitted coefficient for log(Hooks Set) in the regression model for catch suggested a declining trend in ... further consideration of the spatial characteristics of the fishery and its implications for using CPUE as ...

   Meeting Document : WG-FSA-SAM-05/17 : Auteur(s): A.J. Constable, S.G. Candy and B. Raymond (Australia)

5. Preliminary assessment of mackerel icefish (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005

   in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... years old during the coming season. This would result in an estimated yield of 1,210 tonnes, which is ... (Champsocephalus gunnari) for the Heard Island Plateau region (Division 58.5.2) based on a survey in June 2005 ... using the assessment methods of CCAMLR. It is proposed that a one-year projection be used in the ...

   Meeting Document : WG-FSA-05/39 : Auteur(s): A.J. Constable, T. Lamb and R. Williams (Australia)

6. Impacts of rising sea temperature on krill increase risks for predators in the Scotia Sea

   below an established depletion threshold (75% of its unimpacted level), with consequent risks for some ... reducing fishing pressure is one option for mitigating the overall consequences for marine biota. We used a ... for predators by curtailing krill fishing at different points in the 21st century. The projected ... predator populations, especially penguins. Average penguin abundance declined by up to 30% of its ...

   Meeting Document : WG-EMM-18/P02 : Auteur(s): E.S. Klein, S.L. Hill, J.T. Hinke, T. Phillips and G.M. Watters

7. Report of the Workshop for the Analysis on the Anomalously High CPUE by Korean Vessels in the CCAMLR Area

   Abstract:  The Workshop for the Analysis on the Anomalously High CPUE by Korean Vessels in the ... :  Report of the Workshop for the Analysis on the Anomalously High CPUE by Korean Vessels in the CCAMLR Area ... Secretariat, took place from April 29th to May 1st, 2013 in Busan, Korea. Key issues raised and future work ...

   Meeting Document : WG-SAM-13/39 : Auteur(s): Delegation of the Republic of Korea

8. Short paper to CCAMLR on the ICED Southern Ocean food webs and scenarios workshop: ICED information paper for CCAMLR WG-EMM

   an academic paper detailing the outputs, which are summarised here. ICED recognises the key role for ... CCAMLR in improving the basis for future monitoring and management of Southern Ocean ecosystems, and ... encourages active two-way engagement between the scientific community and CCAMLR. Author(s):  R.D. Cavanagh ... scenarios workshop: ICED information paper for CCAMLR WG-EMM Approval:  Approved ...

   Meeting Document : WG-EMM-14/07 : Auteur(s): R.D. Cavanagh, E.J. Murphy, S.L. Hill and N.M. Johnston (United Kingdom) (on behalf of the ICED workshop and ICED Scientific Steering Committee)

9. Report on attendance at the Seventh Meeting of the Committee for Environmental Protection under the Madrid Protocol

   Protected Species’. The CEP reviewed two Working papers presenting different views on some issues and ... Committee Title:  Report on attendance at the Seventh Meeting of the Committee for Environmental Protection ... the Committee for Environmental Protection (CEP-VII) under the Madrid Protocol. The most important ... prepared a suggested revised text for consideration by the ATCM, enclosing in square brackets those ...

   Meeting Document : CCAMLR-XXIII/BG/07 : Auteur(s): Chair of the CCAMLR Scientific Committee

10. IMPACTS OF CLIMATE CHANGE ON ANTARCTIC MARINE ECOSYSTEMS: A CALL FOR ACTION

    Abstract:  Climate change has emerged as an important topic in Antarctic research over the past ... ECOSYSTEMS: A CALL FOR ACTION Approval:  Approved Secretariat Workflow Status:  Content Approved Document ... Release Consent:  Yes Delegation responsibility for releasing documents:  CCAMLR Secretariat ... years major alterations of the ecological workings of the Southern Ocean have been underway. These ...

    Meeting Document : CCAMLR-XXVII/BG/27 : Auteur(s): Submitted by ASOC

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