Resultados de la búsqueda
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Antarctic krill populations in the outflow region of the north-western Weddell Sea
March 2013. The aim of the survey was to study the zooplankton composition and krill abundance and ... distribution in the outflow region of the Weddell Sea. Due to severe pack-ice conditions, more than half of the ... was below the longterm average of the area. New one-year-old recruits were scarce, the stock was ... dominated by two and three year old krill. Spawning occurred late and numbers of gravid females and larvae ...
Meeting Document : WG-EMM-13/24 : Autor(es): V. Siegel (European Union)
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PRESENCE OF IUU VESSEL IN SPANISH PORT
to: His Excellency, Ambassador of Spain in Australia DG.Marc- European Commission, Brussels Subject ... Abstract: Director-General of Fisheries Resources and Aquaculture Subsecretaría General del Mar ... : Presence of IUU vessel in Spanish port S/REF: N/REF: 413/MM () Date: 21 October 2010 Dear Executive ... , and arrived in Vigo with no cargo on board. In view of the fact that the vessel is configured as a ...
Meeting Document : CCAMLR-XXIX/BG/38 : Autor(es): Delegation of Spain
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An experimental approach for the Antarctic krill fishery: advancing management and conservation through the use of Krill Reference Areas and Krill Fishing Areas
implementation. We also request input upon how the proposed framework could strengthen the development of other ... to fishing, coupled with the use of Krill Reference Areas and Krill Fishing Areas. We use the ... characteristics, as the geographic and spatial basis for a set of differing treatments. We also consider the ... mainly associated with penguin research. We identify a number of treatments based on seasonal, or year ...
Meeting Document : WS-SM-18/05 : Autor(es): P.N Trathan and O.R. Godø
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UPDATE OF THE INTEGRATED STOCK ASSESSMENT FOR THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS (DIVISION 58.5.2)
coefficient of variation (CV) for the abundance-at-age, assuming a lognormal distribution, each took into ... predictions of numbers-at-age and proportions-at-age. In other work, this matrix was found to depend on the ... CV of mean length-at-age was fixed at 0.1 and not estimated since the inclusion of age data has ... Abstract: The integrated assessment of Patagonian toothfish, Dissostichus eleginoides, for the ...
Meeting Document : WG-FSA-09/20 : Autor(es): S.G. Candy and D.C. Welsford (Australia)
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Biological characteristics of Antarctic fish stocks in the Southern Scotia Arc region
in estimates of length at sexual maturity and length at first spawning indicate that in some species ... on the southerly grounds than at South Georgia. The distribution of gonado-somatic indices in March ... suggested that L. squamifrons was at spawning while T. hansoni was already coming towards the end of the ... . gunnari, and N. rossii and N. coriiceps have egg diameters of 4.3 – 5.2 mm at spawning. Trematomus species ...
Meeting Document : WG-FSA-99/16 : Autor(es): K.-H. Kock (Germany), C. Jones (USA) and S. Wilhelms (Germany)
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Geographical variation in the diet of the Antarctic fur seal Arctocephalus gazella
investigated at different localities of the Antarctic Peninsula (Cierva Point and Hope Bay), South Shetland ... that most contributed to the diet of the Antarctic fur seals at the Antarctic Peninsula whereas ... Abstract: The diet of non-breeding male Antarctic fur seals Arctocephalus gazella was ... (Deception Island and Potter Peninsula) and South Orkney (Laurie Island) islands, by the analysis of 438 ...
Meeting Document : WG-EMM-02/10 : Autor(es): R. Casaux, A. Baroni, F. Arrighetti, A. Ramón and A. Carlini (Argentina)
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A methodology for estimating total finfish by-catch of the Area 48 krill fishery
. Estimates of bycatch rates per tonne of catch were made at a family level for Channichthyidae, Nototheniidae ... and Notothenia rossii were used to convert total bycatch numbers to biomass at age of 50% maturity ... species respectively. Family specific biomass estimates at age of 50% maturity were then compared to ... available abundance estimates of Channichthyidae and Nototheniidae species at a family level, and at a ...
Meeting Document : WG-EMM-12/29 : Autor(es): T. Peatman, S.M. Martin (United Kingdom), O.R. Godø (Norway) and R.C. Wakeford (United Kingdom)
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Accumulation of fishing debris, plastic litter and other artefacts on Heard Island and Macquarie Island, Southern Ocean
summer 1987-88, and 1989 respectively. These surveys were carried out at the same sites of previous ... surveys in 1986-87 at Heard Island, and 1988 at Macquarie Island. The minimum rate of artefact ... catchment area. Plastic litter was a major component of the debris at both islands. Fisheries related debris ... at Macquarie Island. Author(s): D.J. Slip and H.R. Burton (Australia) Title: Accumulation of ...
Meeting Document : CCAMLR-VIII/BG/11 : Autor(es): D.J. Slip and H.R. Burton (Australia)
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Community structure of epipelagic macrozooplankton in the Ross Sea
located at 78°S, 175°E. Total of 13 taxa occurred at all stations and mean of 7.4 taxa were occurred in ... each sample. There was no marked difference in numbers of taxa occurred at each station and layer ... except at 0 ~ 50 m of 72°S, 175°E, where euphausiids only occurred. Copepods and chaetognaths dominated ... along 175°E. Pteropods comprised high percentage of total abundance at the southernmost stations along ...
Meeting Document : WG-EMM-07/34 Rev. 1 : Autor(es): Y. Watanabe, S. Sawamoto, T. Ishimaru and M. Naganobu (Japan)
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Review of CCAMLR activities on monitoring marine debris in the Convention Area
. The number of debris items has increased at Bird Island in 2006 and Signy Island in 2007, but ... decreased at King George Island in 2007. The majority of items reported were packaging materials, fishing ... gear and wood. Packaging items make up the majority of debris items reported from all three seasons at ... at Bird Island increased dramatically in 2007 with 58 reports of Antarctic fur seal entanglements ...
Meeting Document : SC-CAMLR-XXVI/BG/10 : Autor(es): Secretariat