Search results
-
Brief report on scientific observation on the fishery vessel Mellas (FAO Statistical Area 41, January to July 2006)
Abstract: Materials on results of scientific observation in fishery cruise on the longliner ... “Mellas”, operating under the Ukrainian flag in FAO statistical area 41 in the southwest Atlantic outside ... ) fisheries are submitted. The data on volume of the biological material collected in the cruise, the data on ...
Meeting Document : WG-FSA-06/13 : Author(s): S. Usachev (Ukraine)
-
Krill conversion factors
of different krill products are examined and a range of values produced. These are broadly in line ... with those currently in use although the differences are such that use of the traditional factors may ... practice in the fishery, if it is then the use of any of the conversion factors will result in a serious ...
Meeting Document : WG-EMM-01/39 : Author(s): I. Everson (United Kingdom)
-
OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... age classes were modelled using continuation ratios and predicted proportions in each AIE class ... to the AIE 0 class as readability improved while, in general, it increased as age increased. To model ...
Meeting Document : WG-FSA-09/21 : Author(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
-
OTOLITH-BASED AGEING OF THE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) FOR THE HEARD AND MCDONALD ISLANDS: MODELLING FIXED AND RANDOM READER ERROR USING MULTIPLE READINGS OF A REFERENCE COLLECTION
calibration require an ageing error matrix as input in order to adequately account for uncertainty in the data ... were modelled in two stages. In the first stage the frequency of the absolute value of IE, the AIE ... age classes were modelled using continuation ratios and predicted proportions in each AIE class ... to the AIE 0 class as readability improved while, in general, it increased as age increased. To model ...
Meeting Document : WG-SAM-09/07 : Author(s): S.G. Candy, G.B. Nowara, D.C. Welsford and J.P. McKinlay (Australia)
-
New data on Antarctic toothfish and some others by-catch fishes fecundity with gonads histological pictures from Ross Sea region and data on Patagonian toothfish from the Argentina Sea
Abstract: Results of samples’ processing fixed from Sub-area 88.1 in the 2003-2004 season aboard ... f/v «Yantar» operating in the Exploratory Fishery were presented. According to the results of ... north of 70° S. It was demonstrated that some part of females participated in spawning not every season ... toothfish gonads’ maturity in Argentina Sea in March, 2004 is discussed. Author(s): V.G. Prutko and L.A ...
Meeting Document : WG-FSA-05/28 : Author(s): V.G. Prutko and L.A. Lisovenko (Russia)
-
Fishing cruise of the Russian trawler Zakhar Sorokin to the Antarctic (Subarea 48.3) from 16 February to 10 March 1999
Sorokin" carried out fishery for icefish Gunnari in CCAMLR subarea 48.3. During the cruise, 88 hauls ... , therefore, formed dense commercial concentrations. In this period, catches constituted 3,4 t per trawling ... scientists, having large experience in fisheries and research in this area, the results of the cruise have ... gunnari stock in the subarea 48.3 Author(s): V.L. Senioukov and P.N. Kochkin (Russia) Title: Fishing ...
Meeting Document : WG-FSA-99/57 : Author(s): V.L. Senioukov and P.N. Kochkin (Russia)
-
UNDERWATER ACOUSTIC INSTRUMENTATION FOR ANTARCTIC APPLICATIONS
Abstract: In order to describe an aquatic ecosystem scientists require a variety of information ... distributions, behavior in space and time, and links to other environmental information such as habitats ... vessels. In this paper a variety of underwater acoustic technologies are presented to serve as input for ... , potentially commercial fishing vessels, and other types of installations in order to obtain improved ...
Meeting Document : SG-ASAM-09/09 : Author(s): L. Andersen (Norway)
-
Using tag-recapture data to estimate catchability of a series of random stratified trawl surveys
Heard Island and McDonald Islands (HIMI) in Division 58.5.2, a prior for catchability q of the random ... address potential bias in the estimation of q and conclude that the potential bias that may arise from ... fishing selectivity cannot be corrected for given the available data. In the absence of an unbiased ... used for abundance estimates from trawl surveys in a toothfish stock assessment. The bounds of such as ...
Meeting Document : WG-SAM-15/34 : Author(s): W. de la Mare, P. Ziegler and D. Welsford (Australia)
-
Ideal survey patterns: an example of using a simulated world
selected or that locations are selected at random. The landscape and fishery are simulated in a spatially ... relative abundance of the population? How well can this method detect changes in the abundance of the ... strength of the simulation method in answering these questions and in exploring the efficacy of survey ... strategies in general as well as a generator of ideas for survey design. Author(s): I.R. Ball and A.J ...
Meeting Document : WG-FSA-01/75 : Author(s): I.R. Ball and A.J. Constable (Australia)
-
Distribution of salps near the South Shetland Islands during austral summer, 1990/1991 with special reference to krill distribution
556 mgC•m-3 and was greatest at a station in the Bransfield Strait in late December 1990. Salp biomass ... so the January-February period. While E. superba was found mainly in the coastal area which showed ... high-chlorophyll a values, salps exhibited high biomass in the oceanic area with low chlorophyll a ... potential reasons for the relatively low abundance of E. superba at the stations where salps were present in ...
Meeting Document : WG-EMM-95/54 : Author(s): Terazaki, M., Ichii, T., Kawaguchi, K., Nishikawa, J., Ishii, H., Naganobu, M.