Resultados de la búsqueda
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Experimental acoustic survey of icefish resources in Subarea 48.3, 2005
Abstract: This report describes the activities and preliminary results of the research carried ... behalf of UK authorities. Survey Objectives The primary objectives of the proposed survey were to ... : • Refine methods for estimating icefish biomass using acoustics. • Examine temporal changes in the vertical ... . • Provide more information on the distribution of the benthos on the South Georgia shelf. • Monitor ...
Meeting Document : WG-FSA-05/79 : Autor(es): M. Belchier, M. Collins (United Kingdom), R. O’Driscoll (New Zealand), S. Clarke and W. Reid (United Kingdom)
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Blue-eyed shags as indicators of changes in ittora fish populations
species identified by the examinations of otoliths present in regurgitated cast and those regularly ... Abstract: The use of Shag’s pellets as an appropriate technique to monitor the abundance of ... littoral fish populations is presented for consideration of the CCAMLR Ecosystem Monitoring Program Working ... Group. The effectiveness of the method is based on the very good agreement found between the fish ...
Meeting Document : WG-CEMP-93/25 Rev. 1 : Autor(es): R. Casaux and E. Barrera-Oro (Argentina)
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Review of cetacean depredation in CCAMLR statistical subareas
assessments through the underestimation of total mortality resulting from fishing and depredation combined. In ... other subareas the problem is known but not currently addressed. The areas in which the establishment of ... situation, and could thus benefit of the methods and approaches tested in other subareas. Author(s): M ... Abstract: Depredation, the removal of fish from longlines by large marine predators, has been ...
Meeting Document : WG-SAM-15/27 : Autor(es): M. Soeffker (United Kingdom) and P. Tixier (France)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2004/05
Abstract: The results of the ninth annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 2004/05 summer season. There were two sightings of ... seals wearing neck collars of man-made debris, both were sub-adult males entangled with fishing net. In ... ground. The incidence of entanglement at Signy Island, albeit very low, highlights the need for CCAMLR ...
Meeting Document : SC-CAMLR-XXIV/BG/18 : Autor(es): Delegation of the United Kingdom
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Preliminary assessment of Patagonian toothfish in Subarea 48.3
presented. The assessment results from this year’s analyses are very similar to those of 2011. SSB in the ... Abstract: A preliminary assessment of toothfish (Dissostichus eleginoides.) in Subarea 48.3 is ... terminal assessment year continues to be estimated at around 54% of virgin biomass, consistent with the ... outputs from the 2-fleet and 3-fleet assessments are very similar with the exception of the ...
Meeting Document : WG-FSA-13/30 : Autor(es): R. Scott (United Kingdom)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands 2000/01
Abstract: The results of the fifth annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 2000/2001 summer season. This is the first year in ... Island, these indicated that the number of entangled fur seals had increased (by57%) compared to the ... previous year. The absence of entangled seals at Signy Island could be due to the relatively low numbers of ...
Meeting Document : SC-CAMLR-XX/BG/04 : Autor(es): Delegation of the United Kingdom
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PRESENCE OF IUU VESSEL IN SPANISH PORT
, and arrived in Vigo with no cargo on board. In view of the fact that the vessel is configured as a ... finding of violation was issued against the ship, in accordance with Spanish legislation. From the ... would appear that details correspond to the vessel REX, included in the CCAMLR list of IUU vessels and ... to: His Excellency, Ambassador of Spain in Australia DG.Marc- European Commission, Brussels Subject ...
Meeting Document : CCAMLR-XXIX/BG/38 : Autor(es): Delegation of Spain
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Numerical model of ecosystem including Euphausia superba Dana as a key species in circumpolar region
govern the biochemical cycle in Antarctic Ocean, we made a research plan as follows: (1) to develop an ... numerical model including the effect of marine mammal consumption and catch of krill (6) to develop the ... System Research. University of Tokyo) and the one dimensional ecosystem model by Kawamiya et al. (1994 ... Abstract: On the processes to investigate a proper model for understanding the processes that ...
Meeting Document : WG-Krill-94/26 : Autor(es): M.J. Kishi and M. Naganobu (Japan)
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On peculiarities of icefish (Champsocephalus gunnari) vertical distribution in different habitats
Abstract: The significant similarity of Kerguelen and South Georgia icefish Ch.gunnari ... populations ecology has been revealed. Fish of all lengths and ages are planktonphages. Fish of the first two ... age groups have been continuously found in the pelagic layer off South Georgia and Kerguelen-Heard ... . Immature fish also partially distribute in the pelagic layer both in the daytime and at night. Mature fish ...
Meeting Document : WG-FSA-03/54 : Autor(es): J.A. Frolkina (Russia) and V.V. Herasimchuk (Ukraine)
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Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries
impact on the numbers of tagged fish recaptures and accuracy of tag-based estimates using the Chapman ... estimator. The results showed that tag-based biomass estimates obtained from a low numbers of recaptures ... Chapman-estimates to achieve a 25% level of accuracy at least 50% of the time, required a minimum of 6 ... recaptures when there were approximately 270 tagged fish available for recapture. To increase the chance of ...
Meeting Document : WG-SAM-17/13 : Autor(es): L. Robinson, P. Burch and K. Reid