Search results
-
Informe de la campaña de investigación biológico-pesquera de palangre de fondo en aguas del Atlántico sur-oriental y en los sectores Atlántico e índico de la CCRVMA (Subárea 48.6 y División 58.4.4)
the Antarctic Convergence (Meteor) and in the CCAMLR region (Shona, Spiess, western slope of the ... Bouvet Island, Ob and Lena). The general objective of the cruise was to study the fish populations ... inhabiting these submarine mountains and more especifically those of the toothfish (Dissostichus eleginoides ... ). The specific objectives established according to this were to analyze the species structure variations ...
Meeting Document : WG-FSA-98/48 : Author(s): L.J. López Abellán y J.F. González Jiménez
-
Modelling catch and effort data using generalised linear models with random cruise and stratum-by-year effects: trawl fishery for Dissostichus eleginoides in CAMLR Area 58.5.2
models (GLMMs) including data analytic methods for examining the appropriateness of model structure and ... parameter values was presented in WG-FSA-SAM 03-12 using Dissostichus eleginoides in Subarea 48.3 of the ... using trawl catches for Dissostichus eleginoides in Subarea 58.5.2. The extension described here deals ... with calculating an overall standardised CPUE series when the Subarea has been divided into sampling ...
Meeting Document : WG-FSA-03/34 : Author(s): S.G. Candy (Australia)
-
Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004
Abstract: The seventh consecutive season of data collection at Cape Shirreff has enabled us to ... , penguin diet, and foraging behaviour. The chinstrap breeding population at Cape Shirreff has continued to ... decline over the past five years, and is at its lowest size in the past seven years of study. While the ... gentoo breeding population increased slightly from last year, it is at its second lowest size in the past ...
Meeting Document : WG-EMM-04/5 : Author(s): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)
-
Detailed distribution of krill fishing around South Georgia
Abstract: The distribution of kri!! harvesting effort and associated catch rates has previously ... only been available to the scientific community in the form of sub-area or fine-scale(0.5 ° latitude by ... fishery over much of the Scotia Sea. Although these statistics give a general idea of where the fishery ... has operated they do not reveal the localised nature of the fishing operation. In particular they give ...
Meeting Document : WG-EMM-96/64 : Author(s): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.
-
An assessment of toothfish in Subarea 48.3 using CASAL
Abstract: The CASAL software has been successfully applied to an assessment of the stock of ... model was selected to best represent the fishery and the available data sources. This incorporated two ... data, and the survey recruitment series (treated as a relative index). This produced excellent fits to ... the catch length frequencies, but a poor fit to the early CPUE data, for which a substantial process ...
Meeting Document : WG-FSA-05/16 : Author(s): R.M. Hillary, G.P. Kirkwood and D.J. Agnew (United Kingdom)
-
EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-04 TO INCLUDE KRILL VESSELS IN VMS REPORTING
Abstract: EU PROPOSAL FOR AMENDMENT TO THE CCAMLR CONSERVATION MEASURE 10-04 TO INCLUDE KRILL ... VESSELS IN VMS REPORTING Explanatory Memorandum The importance of krill within the Antarctic ecosystem is ... widely recognised. CCAMLR Members acknowledge the need of ensuring a sustainable fishing activity on ... krill and the durability of this resource, especially given that the possible increase of the krill ...
Meeting Document : CCAMLR-XXIX/41 : Author(s): Delegation of the European Union
-
Estimates of krill biomass with commercial significance in small-scale management units applying geostatistics techniques
Abstract: The analysis of krill density and biomass distributions was made by the example of SGE ... Georgia, being the traditional krill fishing areas. The data collected during the 2000 CCAMLR Survey and ... Russian survey 2002 were used. Processing of the acoustic survey data in 2000-2002 was made applying ... geostatistical methods. It was revealed significant inter-annual and seasonal variability of the standing stock ...
Meeting Document : WG-EMM-06/36 : Author(s): S.M. Kasatkina and P.S. Gasyukov (Russia)
-
Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
Abstract: The results of the second annual survey of entanglement of Antarctic fur seals at Signy ... Island, South Orkney Islands are reported for the 1997/98 summer season. There were six sightings of ... seals wearing neck collars of man-made debris, half the number reported in 1996/97. All of the animals ... involved were juvenile males, the main component of the population seen at Signy Island at this time of ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Author(s): Delegation of the United Kingdom
-
Choice of a procedure for deciding closure of CCAMLR fisheries: a simulation model
Abstract: The methods used for deciding the closure date for fisheries monitored by the ... Secretariat of CCAMLR, as described in Conservation Measures, have been difficult to implement because of the ... variation in catch rates shown by the fisheries. Non-fluctuating random and fluctuating random catch ... histories are simulated and the performance of four Models for making closure decisions is investigated ...
Meeting Document : CCAMLR-X/BG/09 : Author(s): Secretariat
-
A revised assessment of Patagonian toothfish in Subarea 48.4
Abstract: The stocks of toothfish in Subarea 48.4 are currently divided, for assessment purposes ... , into northern and southern components. The northern component is assessed as a single species of D ... . eleginoides whilst the southern component is assessed as a combination of D. eleginoides and D. mawsoni. Both ... species are caught throughout Subarea 48.4 although D. eleginoides are predominantly caught in the north ...
Meeting Document : WG-SAM-13/24 : Author(s): R. Scott (United Kingdom)