Search results
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RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA
and larvae were not significantly correlated with juvenile density. The mean length of 1+ fish attained after ... not significantly correlated with juvenile density. The mean length of 1+ fish attained after 13-15 months ...
Meeting Document : WG-FSA-08/P02 : Author(s): M. Belchier and M.A. Collins
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Krill distribution and biomass variability within Subarea 48.3 in June 1991
less than 1 tonne. Average statistical parameters of swarms in the polygon varied insignificantly from ... tonnes. Krill distribution variability revealed in the polygon suggests an irregular import and export of ... krill from the polygon due to transport by the current. Additionally, in the upper layer of 0 to 50 m ... occurred in the layer of 50 to 150 m. Estimated velocity of krill swarm displacement corresponded to the ...
Meeting Document : WG-KRILL-93/35 : Author(s): S.M. Kasatkina, E.N. Tymokhin, P.P. Fedulov and K.E. Shulgovskiy (Russia)
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Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)
2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ... Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to ... determine the distribution, abundance, and size composition of demersal finfish in Subareas 48.1 and 48.2 ... . In this revised proposal, the study area includes the continental shelf of Elephant Island and of ...
Meeting Document : WG-SAM-17/18 : Author(s): Delegation of Chile
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Demersal finfish distribution, abundance and their biological characteristics in Statistical Subareas 48.1 (northern part) and 48.2 (2018–2020)
2020. Based on the experience gained in the first phase of research and recommendations made by WG-SAM ... Subareas 48.1 and 48.2 in accordance with CM-24-01 is provided. The objective of this research survey is to ... determine the distribution, abundance, and size composition of demersal finfish in Subareas 48.1 and 48.2 ... . In this revised proposal, the study area includes the continental shelf of Elephant Island and of ...
Meeting Document : WG-FSA-17/28 : Author(s): Delegation of Chile
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Revised research longline fishing proposal for Dissostichus spp. in Subarea 48.2, second season
recommendations adopted, coordination was achieved with the Delegation of Ukraine to develop research in the ... Subarea in a collaborative way (WG-SAM-17, paragraph 4.110). In the context of the present proposal ... Abstract: This document contains the research plan proposed by the Chilean Delegation in the ... Modelling (WG-SAM) during the meeting held in Buenos Aires, Argentina, on 26 to 30 June 2017. Among the ...
Meeting Document : WG-FSA-17/27 : Author(s): Delegation of Chile
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ADDING CATCH AT AGE AND SURVEY DATA TO THE 48.3 TOOTHFISH CASAL ASSESSMENT
retardation period and rate of tag loss. When these factors are included in the model the fits to the tag ... Abstract: The catch-at-age based CASAL model for toothfish in Subarea 48.3, which was presented ... in 2007, is developed and extended here to include survey data. Additional adjustments to the model ... but in the past some cohorts have been missed by the survey. Fits to the survey CPUE are generally not ...
Meeting Document : WG-SAM-09/13 : Author(s): D.J. Agnew and M. Belchier (United Kingdom)
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Krill catch distribution in relation to predator colonies 1987 to 1992
Abstract: The distribution of krill catches in relation to land-based predator colonies ... , calculated from CCAMLR fine-scale data, is shown for Subareas 48.1 and 48.2. The pattern of catches in 1992 ... previous years. It is estimated that the catch in the critical period-distance was equal to 12% and 15% of ... the total exploitation of krill in these two subareas respectively. Author(s): Secretariat Title ...
Meeting Document : WG-KRILL-93/10 : Author(s): Secretariat
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
Abstract: Norway proposes a plan to investigate the toothfish populations in the Statistical ... mapping, and the study will adhere to principles and guidance expressed in CM 41-01. In future years the ... local toothfish populations in the area to better understand stock structure, movement patterns and ... improve estimation of population characteristics and thereby contribute to the development of spatial ...
Meeting Document : WG-SAM-17/06 : Author(s): Delegation of Norway
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Antarctic's pelagic ecosystem: how environmental change will affect Salpidae population structure
- Euphausia superba. Presumably as a result of climatic fluctuations, a decrease in the numbers of this ... crustacean has been recorded, followed by an increase in the population of the gelatinous zooplankter Salpa ... zooplankter was significant irregular (Kruskal-Wallis test, p<0.001). In the northern part of the ... blastozooids, with embryos found in different stages of development. Only in the region of South Shetland ...
Meeting Document : WG-EMM-15/P08 : Author(s): A.W. Słomska, A.A. Panasiuk-Chodnicka, M.I. Żmijewska and M.K. Mańko (Poland)
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A von Bertalanffy growth model for Division 58.5.2 fitted to length-at-age data and a comparison of predicted with observed growth from mark–recapture data
) substantially under-predicted mean length-at-age for older ages compared to VB curve fitted using the same error ... closer to the mean trend in observed values with release length than those obtained using IWLS estimated ... more realistic predictions of mean length-at-age for young fish. Author(s): S.G. Candy, A.J ... ) substantially under-predicted mean length-at-age for older ages compared to VB curve fitted using the same error ...
Meeting Document : WG-FSA-SAM-06/07 : Author(s): S.G. Candy, A.J. Constable, T. Lamb and R. Williams (Australia)