Résultats de la recherche
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ON METHODS OF THE EXPERIMENT CARRIED OUT TO DETERMINE THE RATE OF ‘ESCAPE MORTALITY’ ON FISHING OR RESEARCH VESSELS DURING ANTARCTIC KRILL FISHERY
Abstract: According to recommendations of Working Group on Ecosystem Monitoring and Management ... (SC-CAMLR-XXVIII/3, paragraph 3.7), 2009 in Bergen, due to the results of considering Document WG-EMM ... -09/11, in which the uncertainty of krill amount perished while its trawling at fishery is focused ... , the recommendations were submitted on carrying out the experiment to determine the rate of krill ...
Meeting Document : SC-CAMLR-XXVIII/BG/10 : Auteur(s): Delegation of Ukraine
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FURTHERING IMPLEMENTATION OF NETWORKS OF MPAS IN ANTARCTICA AND THE SOUTHERN OCEAN
Abstract: In this paper ASOC makes the case for CCAMLR to move swiftly to begin the process of ... designating networks of comprehensive, adequate and representative marine protected areas including marine ... reserves in the Southern Ocean. Recent progress on the global agenda to implement of marine protected areas ... which criteria should be used to designate networks of marine protected areas with representativeness ...
Meeting Document : CCAMLR-XXVII/BG/26 : Auteur(s): Submitted by ASOC
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Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety
Abstract: The mathematical model of a fishery object contact against a mesh, while escaping ... elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... ecological safety is offered, which is the ratio of the amount of the objects caught and objects caught and ... died during fishery. The equations are presented to estimate the gross removal of an object by the ...
Meeting Document : WG-KRILL-93/34 : Auteur(s): Yu. V. Kadilnikov (Russia)
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Manual: estimating the age of Patagonian toothfish (Dissostichus eleginoides) using transverse cross-sections of otoliths
noted in the growth parameters being used for assessments of toothfish. To assess whether these ... differences were real or else due to methods of otolith preparation and reading, scientists from CCAMLR member ... nations participated in a Workshop in 2001 at Old Dominion Unversity with the primary aim of seeking ... conformity in estimating age of Patagonian toothfish (Dissostichus eleginoides). Arising from the workshop ...
Meeting Document : WG-FSA-10/15 : Auteur(s): K. Underkoffler, N. Ramanna and J. Ashford (USA)
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Assessment of incidental catches of seabirds in the French EEZ included in Division 58.5.1 and Subarea 58.6
global diminution of seabird incidental mortality. This document presents a quantified assessment of the ... evolution of avian mortality between 2007 and 2013, ongoing studies and research in the nature reserve of ... incidental catch of seabirds for the 2013-2014 period. It also presents a synthesis of the populations ... . Author(s): C. Marteau (France) Title: Assessment of incidental catches of seabirds in the French EEZ ...
Meeting Document : WG-FSA-13/06 : Auteur(s): C. Marteau (France)
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016–2017
the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in SSRUs ... 88.1J and 88.1L. This is a continuation of the time series of CCAMLR-sponsored research surveys of these ... toothfish in McMurdo Sound following the recommendations of WG-FSA (SC-CAMLR-XXXIII, Annex7, para 5.108) and ... Terra Nova Bay where substantial numbers of larger sub-adult and adult toothfish were captured in the ...
Meeting Document : WG-SAM-15/45 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Estimates of length-frequency in the assessment of mackerel icefish Champsocephalus gunnari in Subarea 48.3
Abstract: This working document provides details of a modification in the method of calculating ... length distributions used in the assessment of Champsocephalus gunnari from the length distributions of ... individual hauls. The effect of these changes in method have little impact on the catches that would have ... from the 2015 and 2017 surveys. Author(s): T. Earl Title: Estimates of length-frequency in the ...
Meeting Document : WG-FSA-17/51 : Auteur(s): T. Earl
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Preliminary analyses of data collected during experimental fishing for Patagonian toothfish in international waters of the southwest Indian Ocean (Area 51)
procedures, in a restricted area south of Madagascar and north of the Prince Edward and Marion Islands and ... the Crozet Islands, and outside EEZ and CCAMLR waters. A total of 57 sets were taken at between 360 ... comprised between 53 and 1158 kg. Northward distribution of Patagonian toothfish is closely related to the ... extension of the sub-Antarctic Front to the north. The prospected area would seem to be located at the edge ...
Meeting Document : WG-FSA-04/19 : Auteur(s): L.J. López Abellán (Spain)
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Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation
Abstract: A model was recently proposed to predict the target strengths (TS) of Antarctic krill ... ]. Based on the distorted wave Born approximation (DWBA), the model depends upon the coherent summation of ... scattering from elements of a discretized bent cylinder. It was empirically validated at 120 kHz near ... , the authors noted that the differences were not entirely due to noise. In this study, the accuracy of ...
Meeting Document : WG-EMM-02/50 : Auteur(s): D.A. Demer and S.G. Conti (USA)
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Analysis of krill trawling positions in the area north of the South Shetland Islands (Antarctic Peninsula area) from 1980/81 to 1998/99
Abstract: Positions of commercial krill operation for 1980/81 season to 1998/99 season in the ... area to the north of South Shetland Islands were analyzed by using GLM (generalized linear model ... ). Fishing season, the timing, and the longitude were significant factors to explain the variability of ... from mid-1980 onwards, they tended to happen in the south, with exceptions of 1994/95 and 1995/96 ...
Meeting Document : WG-EMM-00/58 : Auteur(s): S. Kawaguchi (Japan)