Resultados de la búsqueda
-
Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
the curve for both sexes provides the best available representation of growth in the species: Lt ... caudal thorns, were used to estimate the ages of Amblyraja georgiana from the Ross Sea. Caudal thorns ... , producing uncertain age estimates. Furthermore, annual deposition of thorn bands has not been validated. The ... the possibility that thorn growth ceases in large individuals. Von Bertalanffy growth curves are ...
Meeting Document : WG-FSA-04/29 : Autor(es): M.P. Francis and C. Ó Maolagáin (New Zealand)
-
Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
(Dissostichus mawsoni) in the Ross Sea (Subareas 88.1 and SSRUs 88.2A–B). We present revised estimates of the ... ) Title: Revised estimates of the biological parameters for Antarctic toothfish (Dissostichus mawsoni) in ... Abstract: This report updates the estimates of the biological parameters for Antarctic toothfish ... observer data collected from commercial fishing operations in the Ross Sea. In addition, we review meta ...
Meeting Document : WG-FSA-SAM-06/08 : Autor(es): A. Dunn, P.L. Horn and S.M. Hanchet (New Zealand)
-
Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and G)
Abstract: The analysis of the toothfish fishery data in the northern part of the Ross Sea (SSRU ... . Author(s): S. Kasatkina Title: Analysis of the longline fishery data in the Ross Sea (SSRUs 881B, C and ... -2015. The variability of catch per haul (kg) and CPUE (kg/1000 hooks) depending on the hauling ... possible presence of number of high CPUE and catches, which are outside the upper limit of confidence ...
Meeting Document : WG-FSA-16/14 : Autor(es): S. Kasatkina
-
Rossii revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3
gunnari, rather than N. rossii, and that 25% of the catch in 1969 was also C. gunnari. A VPA run with ... revisited: new information on the early history of the fishery for Notothenia rossii in Subarea 48.3 ... assessments, based on the incomplete data set, had indicated a 1970 biomass of 600 000 tonnes and an ... unrealistic stock history considering that this stock was the first to be exploited in the Antarctic. A VPA ...
Meeting Document : WG-FSA-95/17 : Autor(es): Agnew, D.J.
-
Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1991/91 season, using virtual population analysis
Abstract: An assessment of the Champsocephalus gunnari fishery in sub-area 48.3 using VPA from ... catches in the near future on the basis of a target F is questioned Author(s): G. Parkes (United Kingdom ... ) Title: Stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea ... . Potential TAC levels are calculated, based on the F0.1 management strategy, however, the wisdom of limiting ...
Meeting Document : WG-FSA-91/15 : Autor(es): G. Parkes (United Kingdom)
-
On the problem of icefish (Champsocephalus gunnari) (Channichthyidae) and krill (Euphausia superba) interaction in the South Georgia area
Abstract: The interaction of icefish and krill in the South Georgia area has been analysed on the ... the same time krill content in the food of different length groups varied. The effect of krill on ... basis of the trawling, acoustic and juvenile fish surveys carried out by AtlantNIRO during 1986-2002 and ... the data of the national fishery. It is demonstrated that?.gunnari both at the early development ...
Meeting Document : WG-FSA-04/41 : Autor(es): S.M. Kasatkina and Zh.A. Frolkina (Russia)
-
CPUEs and body length of Antarctic krill during 1994/95 season in the fishing grounds around the South Shetland Islands
. Main fishing grounds were persistently formed in the north of Livingston Island throughout the season ... (except April), and around Elephant Island during April to May. CPUEs in the fishing to the north of ... Elephant Island Krill with a modal length of 48-50mm were dominant in catches, extreamly larger than the ... Antarctic krill during 1994/95 season in the fishing grounds around the South Shetland Islands Approval ...
Meeting Document : WG-EMM-96/47 : Autor(es): Naganobu, M., Ichii, T., Kawaguchi, S.
-
How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ... relations of krill, salps, and other zooplankton taxa in the Elephant Island area. Author(s): Loeb, V ... . Title: How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to ... Abstract: Data from 1995-1997 US Antarctic Marine Living Resources (AMLR) Program surveys in the ...
Meeting Document : WG-EMM-97/32 : Autor(es): Loeb, V.
-
An exploration of the biological data used in the CCAMLR Subarea 48.3 Patagonian toothfish stock assessments
subarea 48.3 are analysed here, particularly whether the proportion of females in the catch, maturity at ... or maturity through time, after the effects of confounding factors were included in the analysis ... change. The Working Group recommended that key assessment parameters be reviewed and that changes in the ... fishery dynamics that would impact their estimation be explored. The biological productivity parameters in ...
Meeting Document : WG-SAM-2019/32 : Autor(es): E. MacLeod, K. Bradley, T. Earl, M. Söffker and C. Darby
-
Information on the spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season
longline vessels Janas and San Aotea II operating in the Exploratory Fishery. The onset of the spawning ... season was identified as late autumn (May). A significant difference in the condition of fish between ... spawning season and gonadosomatic indices of Dissostichus mawsoni from Subarea 88.1 in the 2001/02 season ... Dissostichus mawsoni were collected from Sub-area 88.1 in the 2001-2002 season by the New Zealand bottom ...
Meeting Document : WG-FSA-02/31 : Autor(es): G.J. Patchell (New Zealand)