Resultados de la búsqueda
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.
proportion to abundance, suggesting that no substantial recruitment takes place on BANZARE Bank and the ... BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean. Abstract / Description: The distribution, size ... investigated using biological data collected by a Japanese commercial fishing vessel during the austral summer ... shallower banks (<1 000 m), while D. mawsoni was caught on deeper slopes (>1 500 m). Separation of the ... commercial vessel, the FV Shinsei Maru No. 3, has been operating a longline explor- atory fishery for ... Toothfish are the largest nototheniid species in the Southern Ocean, with two species having a cir ... seamounts, between 50 and 60°S, and on the Patagonian Shelf and the southern coast of Chile to 30°S ... Gakuin University 2600 Aihara-cho, Machida Tokyo 194-0292, Japan Abstract The distribution, size ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Autor(es): Taki, K., M. Kiyota, T. Ichii and T. Iwami
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Climate change and precautionary spatial protection: ice shelves
) should be created as no take Marine Protected Areas, and that the boundaries of these areas should ... Abstract: Regional climate change is now known to be well established in the Antarctic ... , particularly in the Antarctic Peninsula region. One of the most evident signs of climate change has been ice ... shelf collapse; overall, 87% of the Peninsula’s glaciers have retreated in recent decades. Ice shelf ...
Meeting Document : WS-MPA-11/17 : Autor(es): P.N. Trathan and S.M. Grant (UK)
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Abundance of larvae and assessment of recruitment size of Carlsberg lantern fish (Electrona carlsbergi Tåning, 1932) - (family myctophidae) in Southwest Atlantic in 1989
Abstract: This study was based on the data from the ichthyoplankton survey made in March-April ... 1989 by R/V "Vozrozhdenie" in the subtropical frontal zone over the South Atlantic ridge ... arid vertical hauls at 500- 0m. The method of delta-distribution of random values (Aitchison, Brown ... , 1957; Pennington, 1983) was used to count the larvae. The data obtained was taken to estimate the ...
Meeting Document : WG-FSA-95/07 : Autor(es): Nevisnky, M.M.
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e-cc-xviii-a5.pdf
... were no further amendments to the Agenda and it was adopted (Appendix I). 1.5 The list of papers ... Subareas 88.1 and 88.2 from December 1998 to March 1999. No unlicensed vessels were sighted during the 14 ... bear no proper markings or when observations are made by radar (SCOI-99/14). 2.10 The Committee noted ... vessels for which the Community possesses trade documentation had no Dissostichus spp. in their catches
application/pdf attached to:SCOI-99Meeting Report : SCOI-99
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Characterising catch and effort from data-poor toothfish fisheries in CCAMLR Divisions 58.4.3 – 58.4.4
not been completed in most of the recent fishing seasons. Soaking time showed high variability and no ... to fishing logbooks recorded in the exploratory fisheries carried out between July 2000 and March ... Bank) accumulated the highest proportion of allocated effort in which a total of 948 sets (52\%) were ... . Baseline analysis presented in this report provides relevant information for the exploratory fisheries and ...
Meeting Document : WG-SAM-13/41 : Autor(es): J.C. Quiroz, R. Wiff (Chile) and P. Martinez (Argentina)
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Growth rates of Antarctic fur seals as indices of environmental conditions
Abstract: The growth rates of Antarctic fur seal Arctocephalus gazella pups estimated from ... weighing cross-sections of the population were compared with measured/inferred changes in the the ... availability of their main prey species, Antarctic krill Euphausia superba from 1989-2000. There was no ... growth rates in years of low krill availability. Biases reflecting changes in the component of the ...
Meeting Document : WG-EMM-01/20 : Autor(es): K. Reid (United Kingdom)
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Recruitment of Antarctic krill (Euphausia superba) and possible causes for its variability
Abstract: Between year variability of krill year class success and recruitment during the 1977 ... Resources Program cruises in the Elephant Island area. The recruitment index (R1), based on the relative ... abundance of the 1 + age class, varies substantially between years, whereas it is quite similar between ... different surveys within the same field season. The overall mean recruitment index for all years was Rmean ...
Meeting Document : WG-EMM-95/15 : Autor(es): Siegel, V., Loeb, V.
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CCAMLR protocol for krill biomass estimation
what is the protocol used to derive the current estimate of B 0, and no single document is currently ... Abstract: The original calculation of B 0 arising from the CCAMLR-2000 survey was undertaken at ... the B 0 workshop held in La Jolla, USA, in May 2000 (SC-CAMLR-XIX, Annex 4, Appendix G). A number of ... ; Conti and Demer, 2005) that led to the re-analysis of the CCAMLR-2000 survey at a workshop held in ...
Meeting Document : SG-ASAM-16/02 : Autor(es): S. Fielding, A. Cossio, M. Cox, C. Reiss and G. Skaret
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Total mercury and methylmercury concentrations in Antarctic toothfish (Dissostichus mawsoni): Health risk assessment
Abstract: In the present study, the concentrations of total mercury in different organs of the ... Division 58.4.1 off the coast of Antarctica were determined. The results revealed total mercury ... concentrations of 0.165 ± 0.095 mg/kg (0.023–0.454 mg/kg) in the Antarctic toothfish. In fish muscle ... , methylmercury accounted for approximately 40% of the total mercury. In a comparison analysis, muscle and liver ...
Meeting Document : WG-FSA-17/P02 : Autor(es): M. Yoon, M.-R. Jo, K.-T. Son, W.-S. Choi, S. I. Kang, S.-G. Choi, J. H. Lee and T. S. Lee
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Revised proposal for continuation of a multi-member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2019/20 by Japan, South Africa and Spain
2013 to enhance data collection and analysis in the subarea 48.6. From the last season (2018/19) Spain ... has joined the proposal in order to contribute to the data acquisition and to speed up the integrated ... assessments of the Antarctic toothfish (Dissostichus mawsoni) stock in this subarea (FSA-18/34). The ... continuation of the three-member research proposal for 2019/20 season is presented to ensure continuity of ...
Meeting Document : WG-FSA-2019/23 Rev. 1 : Autor(es): Delegations of Japan, South Africa and Spain