Résultats de la recherche
-
Draft Revised Management Plan for ASPA 149, Cape Shirreff and San Telmo Island, Livingston Island, South Shetland Islands
intersessional contact group formed during the 2004 meeting of the CEP/ATCM. Since a marine area is included in ... provisions of Annex V to the Environmental Protocol and consistent with the Guide to the Preparation of ... of the values of the site and of the measures necessary to protect the site was undertaken. A field ... the draft plan is accurate and up-to-date. The boundaries of the site have been revised in this draft ...
Meeting Document : WG-EMM-04/8 : Auteur(s): Delegations of Chile and USA
-
Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
requires a basis for the assessment of resource status, and an algorithm for specifying the levels of ... regulatory mechanisms (e.g. a catch control law) that depends on the results of the assessment. Developing ... and selecting a procedure requires a basis for the simulation testing of procedures, and an ... operational definition of CCAMLR Article II to provide criteria against which to assess procedure performance ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Auteur(s): Delegation of South Africa
-
EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES
, called BRT (Boosted Regression Trees), to data on the distribution of Oithona similis, a small cyclopoid ... copepod which is abundant through much of near-surface waters of the Southern Ocean. A large dataset (> ... ;19 000 records) of abundances of O. similis were measured during the SCAR Southern Ocean Continuous ... the abundance and the probability of presence of O. similis and the long-term, broad-scale ...
Meeting Document : WG-SAM-08/12 : Auteur(s): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)
-
Towards a strategic framework for assessing uncertainty in ecosystem dynamics models: objectives are sensitive too
simulations of krill, its predators and fishery. It has been used to provide advice on the spatial allocation ... of the precautionary catch limit for krill. Foosa might therefore be a suitable simulation platform ... has 50 categories of input parameter and the four parameterisations used to provide spatial allocation ... advice each required values for 2,311 distinct inputs. In the absence of guidance about management ...
Meeting Document : WG-EMM-12/20 Rev. 1 : Auteur(s): S. Hill and J. Matthews (United Kingdom)
-
REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ... . Based on the amount of toothfish found in the 8 km long section of net retrieved, upwards of 29 tonnes ...
Meeting Document : CCAMLR-XXVIII/BG/22 : Auteur(s): Delegation of Australia
-
An exploratory fishing expedition for Dissostichus eleginoides around the South Sandwich Islands, Antarctica
Subarea 48.4), to establish the presence and abundance of the Patagonian Tootfish Dissostichus eleginoides ... with a view to opening a new fishery under the auspices of the Commission for the Conservation of ... following guidelines set out in the CCAMLR Scientific Observers Manual and in a memorandum of understanding ... between the Governments of Chile and the UK. A new fishery in Subarea 48.4 was found not be commercially ...
Meeting Document : SC-CAMLR-XII/BG/04 : Auteur(s): Delegations of Chile and United Kingdom
-
Krill aggregation characteristics: spatial distribution patterns from hydroacoustic observations. Polar Biology (in press)
Abstract: The distributional features and physical characteristics of some 1500 krill (Euphausia ... biomass was log-normally distributed with a mean of 0.18 t. Only 3% of the aggregations were heavier than ... 1 t. The aggregations were on average 4.2 km apart along-track, and on 10 of the 15 survey days were ... randomly distributed, judged by a Chi-square test based on expected Poisson statistics. The distribution of ...
Meeting Document : WS-KCPUE-89/11 : Auteur(s): D.G.M. Miller and I. Hampton (South Africa)
-
Research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2) by Australia
with the exception of responses to Agenda Item No. 3.12 of the Draft Report of the WG-SAM-15 ... considerations of spatial structure, biomass and connectivity of toothfish populations. In addition ... , environmental data from CTD (conductivity, temperature and depth) and video loggers will contribute to models of ... conservation of representative areas of benthic biodiversity. Additional outcomes include mapping of the ...
Meeting Document : WG-FSA-15/47 Rev. 1 : Auteur(s): Delegation of Australia
-
Krill fishery report: 2005 update
have taken 62049 t of krill to date. Two CCAMLR scientific observers have been deployed. The ... preliminary estimate of the total catch of krill for the season is approx 142000 t. This compares with 118166 ... t of krill reported in 2003/04. One monthly catch and effort report is overdue for 2004/05, and some ... fine-scale data are overdue for 2003/04. The report includes: Availability of fishery and observer data ...
Meeting Document : WG-EMM-05/5 : Auteur(s): Secretariat
-
Seabird mortality in the Japanese tuna longline fishery around Australia, 1988–1995
Abstract: Large numbers of seabirds are killed each year within the Australian Fishing Zone (AFZ ... ) by Japanese longline vessels targeting tuna. In recent years the estimated rate of seabird bycatch in ... the AFZ has been in the order of 0.15 birds 1000 hooks, translating to mortalities of 1000-3500 birds ... southern Australia. Uncertainties in the observed catch rates prevent confident assessment of trends, but ...
Meeting Document : WG-FSA-98/31 : Auteur(s): N. Brothers, R. Gales and T. Reid (Australia)