Search results
-
Supporting industry sustainability and CCAMLR monitoring with Sailbuoy operations
in the Antarctic. The trials were successful giving data during continuous operations from end of ... variability at a location (future comparison with mooring data when available) and surveying predator prey ... -fields. Perspectives and plans for the development of a “Sailbuoy for krill” including advanced on board ...
Meeting Document : WG-EMM-2019/17 : Author(s): R. Øyerhamn, O.R. Godø and A. Lowther
-
VPA as one of the approaches for settling a problem of Patagonian toothfish, Dissostichus eleginoides, population quantity (Subarea 48.3, South Georgia)
1984 to 1994 revealed that at a level of M = 14, the mean value of F is 0.148, while the toothfish ... to make coefficients of fishing mortality F more precise by using catch data on age groups without ... calculations of F by adjusting the catch database and using variable parameters of natural mortality and mean ... fish weight. Author(s): Shlyakhov, V.A. Title: VPA as one of the approaches for settling a problem of ...
Meeting Document : WG-FSA-95/14 : Author(s): Shlyakhov, V.A.
-
Possible causes of variation of Champsocephalus gunnari vertical and horizontal distribution
inaccessible for fishing. Conduction of census surveys during this period is pointless. In spring, during ... feeding period, they form aggregations near bottom thus being available for harvesting just at the ... beginning of this period (September). Data on stock assessment collected during accounting survey are good ... enough, however, this season is far from suitable for accounting surveys because of severe ice conditions ...
Meeting Document : WAMI-01/08 : Author(s): Zh.A. Frolkina and S.M. Kasatkina (Russia)
-
An initial analysis of data provided from the deployment of scientific observers in the krill fishery
approach analysis on the other hand revealed the distribution of variance in krill length at different ... Abstract: An analysis of the observer data provided from the krill fishery was undertaken using a ... range of complementary methods of data quality control and variance investigation. A sample pooling ... variability in krill length due to seasons, months and areas and this allowed estimates of variance ...
Meeting Document : WG-EMM-12/60 : Author(s): S. Thanassekos (CCAMLR Secretariat), S. Candy (Australia), E. Appleyard (CCAMLR Secretariat), S. Kawaguchi (Australia) and K. Reid (CCAMLR Secretariat)
-
USING GENERALIZED DISSIMILARITY MODELLING TO ANALYSE AND PREDICT PATTERNS OF BETA DIVERSITY IN REGIONAL BIODIVERSITY ASSESSMENT
) the variation in the rate of compositional turnover at different positions along environmental ... predicting spatial patterns of turnover in community composition (beta diversity) across large regions. The ... approach is an extension of matrix regression, designed specifically to accommodate two types of ... gradients. GDM can be further adapted to accommodate special types of biological and environmental data ...
Meeting Document : WS-VME-09/P03 : Author(s): Richardson, K., Manion, G., Ferrier, S., Elith, J.
-
Analysis of observer coverage for Japanese krill fishing vessels
coefficients of variation (CV) caused by the shifts in coverage at different sampling stages. Vessel coverage ... Abstract: Sources of variability of krill mean length and fish bycatch number was investigated to ... explore proper allocation of scientific observers on Japanese krill fishing vessels using the data from ... 1995 to 2008. Based on the multistage sampling theory, we derived the equation of variance in four ...
Meeting Document : WG-SAM-10/17 : Author(s): T. Okuda, M. Kiyota and H. Okamura (Japan)
-
Krill physiology and impact of temperature variations: a comparative approach
Abstract: The purpose of this "paper" is to present a research project in progress on ... the physiology of Antarctic krill, with a focus on the response to environmental temperature ... variations. This study first focused on the study of heat shock proteins (HSP) and the comparative aspect ... quickly became essential for a better understanding of the mechanisms involved in relation to the ...
Meeting Document : WG-EMM-2019/70 : Author(s): J.-Y. Toullec and C.-Y. Lee
-
Review of the 2004 budget, draft 2005 budget and forecast budget for 2006
Abstract: This paper presents, for consideration by the Commission, the projected outcome of the ... budget for 2004, a draft of the 2005 budget and an indicative forecast for 2006, presented in a format ... determined by the Commission at its 2002 Meeting. The budgeted expenditure for 2004 is not expected to be ... exceeded, and possible savings of Scientific Committee-related expenditure have been identified. After ...
Meeting Document : CCAMLR-XXIII/04 : Author(s): Executive Secretary
-
By-catch of rays in the 2002/03 toothfish fishery around South Georgia
tried: • It was the first in which vessels were asked to cut off all rays at water level to assist ... survival and conservation of rays; • It was the first in which very good quality information was available ... from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ... the cooperation of Chile and one fishing company, undertook an experiment to determine the ...
Meeting Document : WG-FSA-03/58 : Author(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
-
Results of the longline survey for toothfish in the northern Ross Sea region (SSRU 88.2A) by the FV Argos Froyanes, United Kingdom
were released at 3.1 fish tagged per tonne and a tag overlap statistic of 85%. Author(s): M. Soeffker ... fishable areas of SSRUs 88.2 A–B north of 66° S latitude. During the 6 th- 10 th February 2015, the UK ... fish and collect information on the characteristics of the toothfish inhabiting the region. The vessel ... of 49 tonnes of D mawsoni and small catch of 29 kg of two D eleginoides was taken; 150 tagged fish ...
Meeting Document : WG-SAM-15/31 : Author(s): M. Soeffker, J. Clark, J.M.G. Rebollo and C. Darby (United Kingdom)