Résultats de la recherche
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ASSESSMENT OF PATAGONIAN TOOTHFISH POPULATION IN THE NORTH OF SUBAREA 48.4 USING DATA FROM A FOUR-YEAR TAGGING EXPERIMENT
early closure of the fishery with only 58.9 t of the 75 t TAC of D. eleginoides taken; 2. The target ... simple Petersen and local CPUE estimates, with a B0 of 1143 t and B2009/B0 of 85%. 9. The sustainable ... tagging rate of 5 fish per tonne was exceeded by both vessels, with 344 D. eleginoides tagged and released ... . Evidence of gonad development in 2008/09 suggests that D. eleginoides may spawn in the North of 48.4 in ...
Meeting Document : WG-FSA-09/17 : Auteur(s): J. Roberts and D.J. Agnew (United Kingdom)
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The application of CCAMLR Ecosystem Monitoring Program (CEMP) standard methods in the Antarctic site inventory project
project's methodology, particularly with respect to counting penguin nests and chicks. At each site ... soon-to-be-effective Antarctic Environmental Protocol; designing future monitoring programmes to detect ... landing beaches where visitors access a site, allowing comparisons over time between areas that have much ... human activity and those without such activity. A power analysis indicates the Inventory's ...
Meeting Document : WG-EMM-97/38 : Auteur(s): Naveen, R.
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THE RISKS OF NOT DECIDING TO ALLOCATE THE PRECAUTIONARY KRILL CATCH LIMIT AMONG SSMUS AND ALLOWING UNCONTROLLED EXPANSION OF THE KRILL FISHERY UP TO THE TRIGGER LEVEL
here. Our results demonstrate that i) status quo management may jeopardize the Commission's ... Scientific Committee during 2008, and the caveats associated with that previous advice also apply here. Given ... allocation has met the "burden of proof" that would be required for decision making. Author(s ... risks associated with three options for a Stage-1 allocation of the precautionary krill catch limit ...
Meeting Document : WG-EMM-09/12 : Auteur(s): G.M. Watters (USA), S. Hill (United Kingdom), J.T. Hinke (USA) and P. Trathan (United Kingdom)
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e-cc-xii-a4.pdf
... Secretariat indicate that the cost of full audits every year are not justified; full audits can be required ... Executive Secretary advised the Committee that the Data Manager’s contract had expired in August 1992 and ... International Civil Service level P4 to level P5 with effect from August 1994. The upgrade is considered ... be used as a basis for the 1994 budget contributions. The Committee further recommends that the
application/pdf attached to:SCAF-93Meeting Report : SCAF-93
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e-sc-xii-a4.pdf
... above model was that all krill coming into contact with the fishing net die. This may be a pessimistic ... transport rates of krill, results should be interpreted with care. 4.10 The Working Group agreed that ... information would be in accordance with the Scientific Committee’s and Commission’s requests for submission ... Working Group agreed that details of future Polish fishing plans should be sought. 3.8 Russian fishing
application/pdf attached to:WG-KRILL-93Meeting Report : WG-KRILL-93
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Temporal variability and the interrelationships between CEMP parameters collected on Adélie penguins at Béchervaise Island
correlation with breeding success. Results indicate that low weights of females at the time they depart after ... egg laying appears to be the fi rst indication that a season may have low breeding success. The ... results obtained throughout these analyses indicate that knowledge of the sex of birds can be important ... examined for Adélie penguins over a period of 12 years. Data were collected from 1990/91 to 2001/02 at ... laying was the fi rst indication that breeding success for that season might be low. Birds with lower ... with breeding success. Results indicate that low weights of females at the time they depart after ... egg laying appears to be the fi rst indication that a season may have low breeding success. The ... results obtained throughout these analyses indicate that knowledge of the sex of birds can be important ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 75–90 : Auteur(s): Emmerson, L.M., J. Clarke, K.R. Kerry and C. Southwell
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e-sc-xiii-a5.pdf
... continue until August 1994 and further results will be submitted to CCAMLR as soon as they are available ... that the standard method in the Scientific Observers Manual be followed in future studies ... Group noted that conclusions on search time from one area may not be generalised for other areas. For ... (items (iii), (iv), (vi) and (v)). The Working Group agreed that the latter tasks could be prioritised
application/pdf attached to:WG-KRILL-94Meeting Report : WG-KRILL-94
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e-sc-xxiv-a6.pdf
... uncertainty associated with the input parameters, and that this uncertainty must be accounted for in ... ) themselves note, it is not applicable to the Rayleigh scattering regime, meaning that it will only be ... obtained using a new technique (De Rosny and Roux, 2001) that permits good measurement accuracy and ... ; Horne and Clay, 1998). However, this model is considered to be appropriate for targets with a strong
application/pdf attached to:SG-ASAM-05Meeting Report : SG-ASAM-05
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
preliminary and should be used with caution. Further work is needed to determine whether the thorn ageing ... . Caudal thorns viewed with transmitted white light provided the clearest growth bands, but reading ... been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... estimate of longevity because of the possibility that thorn growth ceases in large individuals. There was ... should be used with caution. Further work is needed to determine whether the thorn ageing technique ... (Walker and Heessen, 1996). The key biological parameter that affects skate vulnerability appears to be ... preliminary observations from the authors’ previous study (Francis and Ó Maolagáin, 2001), and suggests that ... the outliers were judged to be easy to read, with fi ve skates having readability scores of 1–2 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Auteur(s): Francis, M.P. and C. Ó Maolagáin
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e-sc-xvi.pdf
... setting up a standard method of analysis is the likelihood that methods will continue to be refined with ... , the Scientific Committee recommended that Members undertaking krill fishing be asked to supply data ... by WG-FSA to be 107 000 to 115 000 tonnes (Annex 5, paragraph 3.20). It was thought that about 130 ... assumption that unregulated catches can be brought under control. Further discussion on unreported catches
application/pdf attached to:SC-CAMLR-XVIMeeting Report : SC-CAMLR-XVI