Search results
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Phase-randomisation in an integrated assessment model for Antarctic krill
parameters in alternative configurations of a model assessing the status and productivity of Antarctic krill ... (Euphausia superba, hereafter krill). We fixed the parameters that were not estimated in any given ... configuration at pre-specified values. The model was fitted to survey and fisheries data for krill in Subarea ... 48.1, a statistical reporting area used by the Commission for the Conservation of Antarctic Marine ...
Meeting Document : WG-SAM-17/31 : Author(s): D. Kinzey, G.M. Watters and C.S. Reiss
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Uncertainty in reported geographical distribution and weight of krill catches from Norwegian krill fishing vessels operating continuous fishing systems
Abstract: During the 2017 CCAMLR WG-EMM Norway was requested to act towards the industry to ... ensure catch reporting in accordance with the present conservation measure (CM 21-03) and to investigate ... potential errors in historical catch report data. As a response, the Norwegian delegation presented a list ... , and these actions were endorsed by the Scientific Committee (SC-CAMLRXXXVI/11). This document presents ...
Meeting Document : WG-EMM-18/22 : Author(s): G. Skaret, T. Knutsen, F. Grebstad and O.A. Bergstad
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Developing a Ross Sea region medium-term data collection plan
Abstract: Data are collected for use in scientific research, the results of which are used to ... the goals the management wishes to achieve. The Scientific Committee has recommended the development ... of a specific data collection and research plan for the Subarea 88.1 and 88.2 fisheries (SC ... -CCAMLRXXVII paragraph 4.160 vi). The long-term goals of the Ross Sea fishery based on Article II of CAMLR can ...
Meeting Document : WG-FSA-10/32 : Author(s): S. Mormede and S. Hanchet (New Zealand)
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Elaborating a representative system of marine protected areas in eastern Antarctica, south of 60°S
Abstract: The plan of implementation for Agenda 21 of the United Nations World Summit on ... Sustainable Development (2002) requires an estate of marine protected areas for the purposes of long‐term ... one that (i) provides a spatial estate of the smallest area sufficient to satisfy the principles of ... Comprehensiveness, Adequacy and Representativeness (CAR) in the long term, (ii) accounts for the state of knowledge ...
Meeting Document : WG-EMM-10/26 : Author(s): A.J. Constable, B. Raymond, S. Doust, D. Welsford and K. Martin-Smith (Australia)
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Comparison of equal-area cylindrical and circular piston transducers
choosing among alternative transducer geometries. This contribution addresses the problem of choosing ... between cylindrical and circular piston transducers by comparing the performance of the two according to ... the principle that the acoustically active areas be equal. Computations are performed with the actual ... dimensions of six fabricated cylindrical transducers, whose beam patterns have been measured by the ...
Meeting Document : WG-EMM-95/08 : Author(s): Foote, K.G.
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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 : Author(s): O.D. Pin y H. Nión (Uruguay)
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Monitoring a marine ecosystem using responses of upper trophic level predators
Abstract: 1. This study examined the changing status of the marine ecosystem at the island of ... index (CSI). 2. Sensitivity analyses showed that missing values had a large effect upon the accuracy of ... the CSI but this effect was reduced if the individual variables were highly correlated. The level of ... correlation and proportion of missing values within the empirical data set were within the acceptable range ...
Meeting Document : WG-EMM-01/25 : Author(s): I.L. Boyd and A.W.A. Murray (United Kingdom)
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Matlab code for calculating krill biomass in a survey area
Abstract: In 2010, CCAMLR tasked the Subgroup on Acoustic Survey and Analysis Methods (SG-ASAM ... ) to recalculate the catch limit for Antarctic krill in the Scotia Sea based on updated acoustic ... algorithms developed since the first calculation in 2000. Subsequent to the 2010 SG-ASAM, code used to obtain ... biomass (B 0; tonnes) estimates was compiled and provided to the Secretariat for reference and use by ...
Meeting Document : SG-ASAM-16/03 : Author(s): A. Cossio, J. Renfree and C. Reiss
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La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
Abstract: The Patagonian toothfish (Dissostichus eleginoides) has been fished in the Kerguelen ... Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ... fishery of the Indian sector of the Southern Ocean. However IUU fishing has appeared in 1997. A GLM ... analysis has been performed from the statistical data of the legal fishery to assess the factors affecting ...
Meeting Document : WG-FSA-05/27 : Author(s): C. Lord, G. Duhamel et P. Pruvost (France)
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KRILL FISHERY REPORT: 2011 UPDATE
and Poland have fished for krill in Area 48. The total catch reported to May 2011 was 110949 t, most ... of which has been taken from Subarea 48.2 between February and May. Approximately 55% of the catch ... has been taken by two vessels using the continuous fishing system. The forecast total catch of krill ... for the season falls in the range 153000-214000 t. In 2009/10, 10 vessels fished for krill in Area 48 ...
Meeting Document : WG-EMM-11/05 : Author(s): Secretariat