Resultados de la búsqueda
-
Feedback management through effort regulation
Abstract: The interim distribution of the trigger level in the fishery for Antarctic krill (CM 51 ... -01) will be revised in 2016. The trigger level is not related to the status of the krill stock and ... the predators that depend on it. Progressing the development of an operational FBM system in ... accordance with the Convention has been set as a high priority by CCAMLR. There are currently three FBM ...
Meeting Document : SC-CAMLR-XXXV/BG/29 Rev. 1 : Autor(es): Delegation of Norway
-
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 : Autor(es): L.J. López Abellán y J.F. González Jiménez
-
Review of fishery monitoring and forecast procedures
Abstract: The Secretariat monitors the catches of all target and by-catch species (or species ... regression forecast model is used to determine closure dates. Over the past five seasons, the Secretariat has ... closed 68 fishing areas, and the total catches of Dissostichus in areas closed using the forecast model ... averaged 98.5% of the relevant catch limits. The forecast model relies on the assumption that the fishery ...
Meeting Document : WG-SAM-13/06 : Autor(es): Secretariat
-
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 : Autor(es): 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 : Autor(es): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)
-
Informe sobre la operación del B/P nasero Viking Sky durante Setiembre–Octubre del 2001: Atlántico sudoccidental (latitudes 37°–38° sur y 42° sur) Área estadística 41
Abstract: The northern geographical distribution of the toothfish Dissostichus eleginoides ... , reaches the Exclusive Economic Zone of Uruguay. The species was firstly cited for the uruguayan waters by ... Devincenzi in 1924, and it is usually found by fishing trawlers between 900 m and 1200 m of depth, along the ... submarine continental ridges. Since 1997 some fishing vessels, like the F/V “Viking Sky”, started to capture ...
Meeting Document : WG-FSA-02/66 : Autor(es): O.D. Pin y H. Nión (Uruguay)
-
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 : Autor(es): R. Scott (United Kingdom)
-
Preliminary assessment of Patagonian toothfish in Subarea 48.4
Abstract: To date, the stocks of toothfish in Subarea 48.4 have been 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 ... in the north, whilst D. mawsoni are mainly caught in the south. CCAMLR WG-FSA 2012 concluded that ...
Meeting Document : WG-FSA-13/31 : Autor(es): R. Scott and V. Laptikohvsky (United Kingdom)
-
Histopathology of Antarctic krill, Euphausia superba, bearing black spots
Abstract: Small black spots have been noticed on the cephalothorax of Antarctic krill, Euphausia ... superba, since January, 2001. To study the nature of the black spots, the krill were sampled in the winter ... of 2003, 2006, and 2007 in the South Georgia region, the Antarctic Ocean. Histological observations ... revealed that the black spots were melanized nodules that were composed of hemocytes surrounding either ...
Meeting Document : WG-EMM-08/P09 : Autor(es): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu
-
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 : Autor(es): Parkes, G., Everson, I., Trathan, P.N., Murphy, E.J.