Resultados de la búsqueda
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Spatio–temporal dynamics in maturation and spawning of Patagonian toothfish Dissostichus eleginoides on the subantarctic Kerguelen Plateau
Abstract: This study investigated maturation and spawning of Patagonian toothfish Dissostichus ... Sector of the Southern Ocean based on gonads and otoliths collected between years 2004–2015, and using ... histological analyses and calibration of macroscopic staging criteria. Dissostichus eleginoides at HIMI spawn ... throughout the late autumn and winter months of May–August, and spawning activity is concentrated on slopes ...
Meeting Document : WG-FSA-17/P04 : Autor(es): P. Yates, P. Ziegler, D. Welsford, J. McIvor, B. Farmer and E.Woodcock
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Overview of global trade in toothfish (Dissostichus spp.)
GLOBEFISH unit, an analysis was conducted for the five-year period of 2012–2016 on the global trends of the ... . Captures the global trade of toothfish. The analysis showed that over this five-year period quantity of ... imports globally have seen an increase of 16.08% and exports have seen an increase in 15.54%. The average ... global unit value price of toothfish products has also shown an increase with imports increasing by 19.68 ...
Meeting Document : CCAMLR-XXXVI/BG/05 Rev. 1 : Autor(es): CCAMLR Secretariat
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Informing the Scientific Committee about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... would fall under the remit of, or might be of interest to participants at SC-CAMLR 2018: Unifying the ... previously two separate WSMPA parts into one coherent WSMPA by closing the gap on the eastern coast of the ... Antarctic Peninsula; Adjustment of the habitat of adult Antarctic toothfish in Statistical Subareas 48.6 and ...
Meeting Document : SC-CAMLR-XXXVII/BG/14 Rev. 1 : Autor(es): Delegation of Germany
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First increment validation of Patagonian toothfish (Dissostichus eleginoides) from Heard Island
one opaque and one translucent increment is formed each year on the sectioned face of sagittal ... routinely ageing D. eleginoides, resulting in differences of ageing data presented. One area that was ... assumed to cause interpretation differences was the position of the first increment that corresponded with ... the end of the first year of growth. While there is a general consensus that the observed increments ...
Meeting Document : WG-FSA-05/61 : Autor(es): K. Krusic-Golub, C. Green and R. Williams (Australia)
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Report on attendance at the Seventh Meeting of the Committee for Environmental Protection under the Madrid Protocol
Abstract: This report outlines the participation of the SC-CAMLR Chair in the Seventh Meeting of ... issues of relevance to SC-CAMLR are: (a) The CEP again addressed the issue of establishing ‘Specially ... components of the revised text on which there was no agreement about the technical or legal nature of the ... text. (b) The CEP’s Intercessional Contact Group (ICG) on the State of the Antarctic Environment ...
Meeting Document : CCAMLR-XXIII/BG/07 : Autor(es): Chair of the CCAMLR Scientific Committee
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Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities
Abstract: The eco systematic studies in biology and hydrology conducted in the Atlantic sector of ... ;success" in the reproduction of krill (Euphausia superba) and salp (Salpa tompsoni) (SC-CAMLR-XVI4 ... ; SC-CAMLR-XVV3). The analysis of multiannual observations (1977-1997) conducted by Siegel (Siegel et ... between the strong year-classes of krill and severe winters when the ice-cover extended itself northwards ...
Meeting Document : WG-EMM-98/52 : Autor(es): K. Shust (Russia)
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The diet of toothfish species Dissostichus eleginoides Smitt and D. mawsoni Norman with overlapping distributions around the South Sandwich Islands, Southern Ocean
Abstract: The diet of Antarctic toothfish (Dissostichus mawsoni) and Patagonian toothfish (D ... . eleginoides) was examined around the south sandwich islands in the southern ocean, one of few regions with ... overlapping populations of the two species. Despite large differences in the proportion of stomachs containing ... prey (76.2 % of D. mawsoni compared to 7.2 % of D. eleginoides), diet composition was broadly similar ...
Meeting Document : WG-FSA-11/P03 : Autor(es): J. Roberts, J. Xavier and D. J. Agnew
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Estimates of sustainable yield for 50 data-poor stocks in the Pacific coast groundfish fishery management plan
Abstract: The Magnuson-Stevens Fishery Conservation and Management Reauthorization Act of 2006 ... of sustainable yield for many these species were previously based on undocumented, ad-hoc analyses ... . We present estimates of sustainable yield for 50 of these stocks using two recently developed models ... designed to inform management of data-poor stocks. These models rely on recently reconstructed time series ...
Meeting Document : WG-SAM-11/P1 : Autor(es): E.J. Dick and A.D. McCall
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 1996 winter and 1996/97 pup-rearing season
Abstract: The results of the survey of entanglement of Antarctic fur seals at Bird Island, South ... usual most (88%) entanglements were of juveniles; however one-third were of females, an unusually high ... entangling materials, with the abundance of string and fishing net reversed from most previous years. In ... animals involved were juvenile females; the overall severity of injury was the lowest yet recorded. The ...
Meeting Document : SC-CAMLR-XVI/BG/06 : Autor(es): Delegation of the United Kingdom
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Spatial distribution of Champsocephalus gunnari in Subarea 48.3. Some implications for parameter estimation
Abstract: Results of the analysis of three consecutive cruises to subarea 48.3 are analyzed. A ... significant variance component associated with the formation of clusters of stations was found as well as a ... (as in the estimation of the variance of the mean density) might result in a gross underestimation of ... the variance. The spatial pattern of density across years might be applied to construct a model of ...
Meeting Document : WG-FSA-96/30 : Autor(es): Calcagno, J., Gonzalez, B., Marschoff, E.