Résultats de la recherche
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Analysis of marine debris found at Cape Shirreff, Livingston Island, South Shetlands, Antarctica
Shirreff (62"27'S, 60°47'W) during the 1984185, 1987/88 and 1990/91 seasons, debris found on ... three beach surveys (plastics, glass, metal, packaging and others) showed that, on average, 91% of them ... that this debris comes from different fishing areas (FAO Areas 48, 58 and 88), including areas in the ... South Atlantic, and it is estimated that a considerable amount of marine debris remains adrift in the ...
Meeting Document : SC-CAMLR-XI/BG/07 : Auteur(s): Delegation of Chile
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on recent survey results
population, which was first detected in 2011, has persisted, however a large cohort of fish, estimated to be ... weight model. Sensitivity testing indicates that the approach of using the lower 95th percentile of the ... the mean biomass estimate. A catch limit of 679 t is recommended for the 2012/13 season. Author(s ...
Meeting Document : WG-FSA-12/26 : Auteur(s): D.C. Welsford (Australia)
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Assessment of yield and status of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean: implications for managing by-catch in CCAMLR fisheries
area and showed that M. carinatus did not appear to be aggregated over any part of BANZARE Bank. The ... of the median pre-exploitation spawning biomass. This assessment could be used as a basis for setting ... . This catch rate may be useful in setting general by-catch rules for M. carinatus to protect the species ... from localised depletions. Author(s): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb ...
Meeting Document : WG-FSA-99/69 : Auteur(s): E.M. van Wijk, A.J. Constable, R. Williams and T. Lamb (Australia)
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Overview and update of Australia’s scientific tagging program in the Patagonian toothfish (Dissostichus eleginoides) fishery in the vicinity of Heard and McDonald Islands (Division 58.5.2)
fishery in 58.5.2 since the 1997/98 season. This program has yielded data which has assisted with ... unbiased estimates of movement rates between areas and fisheries can be included in an integrated ... assessment framework. Author(s): D.C. Welsford, T. Lamb and G.B. Nowara (Australia) Title: Overview and ...
Meeting Document : WG-FSA-07/48 Rev. 1 : Auteur(s): D.C. Welsford, T. Lamb and G.B. Nowara (Australia)
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Distribution and abundance of Antarctic krill in the vicinity of Elephant Island during the 1994 austral summer
be 401 X 106 t. Five weeks later highest densities of krill were mapped north of Elephant Island and ... biomass in the same survey portion was estimated to be 359 X 106 t. During the second and third surveys ... estimated to be 87 X l06 t and 97 x 106 t, respectively. Average bill densities were the lowest observed ... predators did not appear to be adversely affected. Author(s): R.P. Hewitt and D.A. Demer (USA) Title ...
Meeting Document : WG-Joint-94/09 : Auteur(s): R.P. Hewitt and D.A. Demer (USA)
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ... , respectively while that in Subarea 48.2 those corresponded to years 1981/82, 1986/87 and 1997/98, respectively ... . The density indices in both subareas suggested that humpback and fin whales were more frequently ... observed in CPIII than in CPII while that Antarctic minke whale showed an inverse trend. These observations ...
Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada
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TOWARDS A SYSTEM OF MARINE SPATIAL PROTECTION FOR THE SOUTH ORKNEY ISLANDS
following the pilot study, with the aim of generating products that can be used to inform decision-making on ... conservation planning methodology could be effectively used with currently available datasets to provide ... , we consider that work will be sufficiently well advanced to submit a preliminary proposal to SC-CAMLR ... -XXVIII, describing a package of marine spatial protection and management measures that could be ...
Meeting Document : WG-EMM-09/22 : Auteur(s): S. Grant, P.N. Trathan, J. Tratalos and J. Silk (United Kingdom)
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Swarm characteristics of Antarctic krill Euphausia superba relative to the proximity of land during summer in the Scotia Sea
swarms identified with a Simrad EK60 (38 kHz, 120 kHz) echosounder were grouped into 4 categories ... -sectional areas of swarms were significantly larger inshore, with a mean value of 120 m 2 in the 0 to 50 km ... was also significantly greater, with an average density of 95 ind. M–3 compared to between 24 and 31 ... , dense swarms throughout the survey area, and this trend increased with decreasing distance from shore ...
Meeting Document : WG-EMM-10/P09 : Auteur(s): T. Klevjer, G.A. Tarling and S. Fielding
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Methodological aspects of the International Synoptic Krill Survey in Area 48, 2019
night, 2) differing trawl selectivity between the vessels that participated in the survey, and 3) the ... estimates. Areas with most of the krill backscatter in well-defined schools were least sensitive to the ... choice of discrimination method. Author(s): G. Macaulay, G. Skaret, T. Knutsen and B. Krafft Title ...
Meeting Document : SG-ASAM-2019/10 : Auteur(s): G. Macaulay, G. Skaret, T. Knutsen and B. Krafft
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2010–11
location of fishing together with the catch of Dissostichus spp. and bycatch species by year for the period ... 88.1C with the rest taken from SSRU 88.1B. The catch limit from the shelf was taken mainly from 881J ... examined during this study suggest that the median toothfish catch per set has generally increased over the ... likely related to fishing depth. We conclude that from data examined from the fishery to date there is ...
Meeting Document : WG-FSA-11/45 : Auteur(s): M.L. Stevenson, S.M. Hanchet, S. Mormede and A. Dunn (New Zealand)