Resultados de la búsqueda
-
Results of the first winter longline survey to the northern Ross Sea region to investigate toothfish reproductive life history
sea ice at that time. Author(s): D. Stevens, D. Di Blasi and S. Parker Title: Results of the first ... Abstract: The first winter longline survey of Antarctic toothfish in the northern Ross Sea region ... was successfully completed during June and July 2016. A total of 55 longlines sets were completed in ... the 4 strata, and 55.2 t of Antarctic toothfish and 3.4 t of Patagonian toothfish were caught ...
Meeting Document : WG-FSA-16/37 : Autor(es): D. Stevens, D. Di Blasi and S. Parker
-
Assessing data requirements for tag-based estimates of local biomass in data-poor and exploratory fisheries
Chapman-estimates to achieve a 25% level of accuracy at least 50% of the time, required a minimum of 6 ... 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 ... will have a high risk of over-estimating biomass and that for a given number of tagged fish available a ...
Meeting Document : WG-SAM-17/13 : Autor(es): L. Robinson, P. Burch and K. Reid
-
Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
Abstract: Basing on the analysis of major water mass boundaries and their thermochaline ... area of South Orkney Isls and Shetland Isls in January-February since 1970. Three types of years have ... been singled out for the area of South Orkney Isls. The first type was characterized by presence of ... intermediate cold layer. In some years of this type (1 97 1, 1972, 1978, 1982) the layer had positive ...
Meeting Document : WG-EMM-00/34 : Autor(es): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)
-
Dynamic of the krill fishery in the Area 48 and its relation to climate variability and changes in fishing technology
-period fluctuations of hydrometeorological conditions at high latitudes of the southern hemisphere ... Abstract: The authors analyzed the spatial-temporal structure of standardized indices of catch ... per effort unit (CPUE) of Antarctic krill fishery in the Area 48 in relation to dynamic of ААО ... indices (Antarctic Oscillation Index) as one of the factors used in analysis of inter-annual and long ...
Meeting Document : WG-EMM-13/25 : Autor(es): P.S. Gasyukov and S.М Kаsatkina (Russia)
-
Proposed methodology for the assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b)
Abstract: In 2006 the CCAMLR scientific committee noted several features of exploratory ... Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ... resource in this area, and the lack of a scientific basis for setting catch limits in these areas (SC-CAMLR ... Scientific Committee requested urgent consideration by Members on of methods for collecting of data and of ...
Meeting Document : WG-SAM-07/8 : Autor(es): D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
-
ECOLOGICAL REPERCUSSIONS OF HISTORICAL FISH EXTRACTION FROM THE SOUTHERN OCEAN
Abstract: A major mid-1980s shift in ecological structure of significant portions of the Southern ... Ocean was partially due to the serial depletion of fish by intensive industrial fishing, rather than ... stocks were on average reduced to <50%, and finally (mid-1980s) to <20%, of original size. Despite ... strong year classes, as is true of such fish elsewhere. A climate regime, the Southern Annular Mode, once ...
Meeting Document : WG-EMM-08/P07 : Autor(es): D. Ainley and L. Blight
-
Species variability and population structure of Euphausiacea in Admiralty Bay (King George Island; South Shetland Islands) during Antarctic summer
Abstract: The main component of zooplankton in Antarctic pelagic waters, apart from copepods or ... of the penguins and pinnipeds’ diet. Admiralty Bay, because of its specific hydrological conditions ... , is an interesting area for that kind of biological study. Moreover, King George Island, where ... Admiralty Bay is located, is a region of dynamic climate characterized by variable maritime conditions which ...
Meeting Document : WG-EMM-14/60 : Autor(es): A. Panasiuk-Chodnicka, J. Wawrzynek and M. Iwona Żmijewska (Poland)
-
Summary of the toothfish fishery and tagging program in the Ross Sea region (Subarea 88.1 and SSRUs 882A–B) through 2017/18
at liberty. Author(s): S. Mormede and S. Parker Title: Summary of the toothfish fishery and tagging ... SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through the ... 2018 season. Despite 2018 being the first year of implementation of the Ross Sea region Marine ... Protected Area, most of fishing effort was carried out in the historically fished areas. There was a small ...
Meeting Document : WG-FSA-18/46 : Autor(es): S. Mormede and S. Parker
-
Major fishery events in Kerguelen Islands: Notothenia rossii, Champsocephalus gunnari, Dissostichus eleginoides – current distribution and status of stocks
-sea stocks have been naturally protected at the beginning of 1990. It maintained a high amount of ... Abstract: The large-scale trawl exploitation targeting virgin stocks of marbled notothenia ... fishing fleet of the fishing grounds in the early 1970’s. The fishery shifted to icefish (Champsocephalus ... banks resulted in the sharp decline in the catches of marbled notothenia. The creation of the French EEZ ...
Meeting Document : WS-MPA-11/P04 : Autor(es): G. Duhamel, P, Pruvost, M. Bertignac, N. Gasco and M. Hautecoeur
-
Dynamics of Notothenia rossii rossii size-age structure on the Kerguelen Islands shelf
of the specialised fishery in 1985 and after the marbled rockcod by-catch at other fisheries was ... Abstract: Basing on materials of research expeditions and fishing cruises to the Kerguelen ... Islands shelf in the period from 1970 to 1991, dynamics of size- age structure of marbled rockcod ... used to characterise the age composition. It was determined that in the initial years of exploitation ...
Meeting Document : WG-FSA-94/04 : Autor(es): P.B. Tankevich (Ukraine)