Resultados de la búsqueda
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Preliminary results from a krill net sampling survey in CCAMLR Area 48.1 in 1989/90 season
occurred NE and SE of Elephant Island, north of the South Shetland Islands, in the central Bransfield ... estimated stock biomass of 950,000 tonnes. The zooplankton, however, was dominated by salps in the entire ... region. The krill stock consisted of subadult and adult stages. Nain concentrations of gravid females ... were detected north of the South Shetland Islands. No spawning occurred in the Bransfield Strait and in ...
Meeting Document : SC-CAMLR-IX/BG/09 Rev. 1 : Autor(es): Delegation of EEC
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Progressing towards responsible, science-based and highly precautionary krill fisheries management
Abstract: Improving the management of the krill fishery is a key priority for ASOC. In this paper ... , we recommend several key actions that CCAMLR should take to ensure that management of the krill ... fishery remains highly precautionary and protects the needs of the full range of krill predators ... decision-making frameworks in a workshop, implementing these approaches before the expiry of CM 51-07, and ...
Meeting Document : SC-CAMLR-XXXVI/BG/31 : Autor(es): Submitted by ASOC
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Monitoring, control and surveillance undertaken by Chile during 2018/19 season
Abstract: In compliance with the commitments undertaken within the framework of the Commission ... for the Conservation of Antarctic Marine Living Resources (CCAMLR), the State of Chile conducts ... Fishing Inspection Operations in the area of the Convention. Every year, the Second Commanders of Navy ... inspections to fishing vessels to the South of the 60 th parallel with the aim to verify the effective ...
Meeting Document : CCAMLR-38/BG/29 : Autor(es): Delegation of Chile
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Mackerel icefish size and age at South Georgia and Shag Rocks
-frequency distribution of C. gunnari from 10 bottom trawl surveys at South Georgia and 9 at Shag Rocks ... (Spring). Mean total lengths (TL) of age-classes were determined for each year by examining length ... modality in the length-frequency distributions. Lengths of age-classes derived by these two methods were ... differences in mortality between localities. To compensate for variation in the time of surveys, the mean TL ...
Meeting Document : WG-EMM-03/7 : Autor(es): A.W. North (United Kingdom)
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Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
of a commercial fishery (Nicol et al. 2010; Watters et al. 2013), recent declines in seasonal sea-ice ... estimates of krill biomass, habitat use, and association with top predators to examine these likely ... interactions. Krill were virtually absent in offshore waters of the Drake Passage during all three winters ... , compared to summer. In Bransfield Strait, median krill abundance was an order of magnitude higher (8 krill ...
Meeting Document : WG-EMM-15/05 : Autor(es): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)
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Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions
Abstract: The CCAMLR system for assessing risk of fisheries mortalities to seabirds has been ... waters of the CCAMLR convention area. Annual review of the information by used CCAMLR Working Group on ... Incidental Mortality Associated with Fishing for the assessments of risk, and performance of fisheries within ... these zones is undertaken, resulting in a dynamic system of assessment and response by the CCAMLR ...
Meeting Document : WG-FSA-06/33 : Autor(es): S. Waugh (New Zealand)
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Marine debris and fishing gear associated with seabirds at sub Antarctic Marion Island – 1998/99
Abstract: Most (52%) of the 306 debris items found in association with seabirds at Marion Island ... of fishing gear, followed by southern giant petrels Macronectes giganteus. Standardized searches of ... wandering albatross study colonies showed that there had been a slight decrease in the accumulation rate of ... much higher than the 1996/97 season. This is consistent with a decrease in the number of unsanctioned ...
Meeting Document : SC-CAMLR-XVIII/BG/14 : Autor(es): Delegation of South Africa
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Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2
Abstract: Large fluctuations in abundance are a persistent feature of the populations of mackerel ... . Australia recommends the development of a limit reference point, such that the commercial catch limit for ... completed. In years with a zero commercial catch limit, a combined bycatch and research catch limit of 30 ... tonnes would allow the continued monitoring of the stock through annual trawl surveys. Australia ...
Meeting Document : WG-FSA-11/34 : Autor(es): Delegation of Australia
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ADULT ANTARCTIC KRILL FEEDING AT ABYSSAL DEPTHS
bulk of the population of postlarval krill is typically confined to the top 150 m of the water column ... . Here, we report for the first time the existence of significant numbers of Antarctic krill feeding ... operated vehicle Isis in the austral summer of 2006/07 have revealed the presence of adult krill (Euphausia ... locations there were exuviae (cast molts). These observations revise significantly our understanding of the ...
Meeting Document : WG-EMM-08/P01 : Autor(es): A. Clarke and P.A. Tyler
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Updated progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14
the 2012/13 season and the first seven months of the 2013/14 season are reported. This paper updates ... and replaces WG-SAM-14/10. Over the first 19 months of the Research fishery a total of 279 ... recaptured. Even though almost 50% of the recaptures are within season the progress in the northern section ... of Subarea 48.6 is encouraging. By the end of the 2014/15 fishing season there should be sufficient ...
Meeting Document : WG-FSA-14/67 : Autor(es): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)