Résultats de la recherche
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Annual report of research fishing operations at Subarea 48.6 in the 2017/18 fishing season
Abstract: This paper represents the annual report of a multi-Member longline survey on Antarctic ... toothfish (Dissostichus mawsoni) at Subarea 48.6 in the 2017/18 fishing season by Japan and South Africa ... . The data set, C2 and Observer data, was provided by the CCAMLR Secretariat on the 3th August, 2018. In ... this paper, the data set during current fishing season (2017/18) was used for reporting the quantity of ...
Meeting Document : WG-FSA-18/71 : Auteur(s): Delegations of Japan and South Africa
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Seabird mortality and the Falkland Islands trawling fleet
from the waters surface, and are subsequently hauled onboard. In over 600 observed hauls in 2001-03 no ... , trawling and hauling operations for 157 days onboard finfish trawlers in the Falkland Islands in 2002/03 ... recorded on the Patagonian Shelf, north of the Islands. Birds were killed after being dragged underwater by ... the warp cable, while feeding on factory discharge at the stern of the vessel. An unknown proportion ...
Meeting Document : WG-FSA-03/91 : Auteur(s): B.J. Sullivan, T.A. Reid, L. Bugoni and A.D. Black (United Kingdom)
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Distribution of krill as a fraction of Antarctic zooplankton within the South Sandwich Islands area in summer 2000
Abstract: The paper covers the-results of an acoustic estimation of distribution for krill and ... non-krill zooplankton within the area of South Sandwich Islands that has been obtained with multy ... -frequencies algorithms according to the data on survey by Russian vessel ATLANTIDA under CCAMLR Survey-2000 ... compared. It has been showed that within the field locations occupied by waters of the Weddell Sea and ...
Meeting Document : WG-EMM-00/50 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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Trials with net monitoring cable during the 2017/18 and 2018/19 seasons onboard FV Saga Sea
Abstract: This paper describes trials with a net monitoring cable on board FV Saga Sea. The ... solution as described in the permit for using a third cable was abandoned at an early stage, as it was ... operable only when using one trawl behind the vessel. Trawling from the two beams caused practical ... and procedures for their three vessels. Accordingly, Saga Sea has introduced the same trawl rigging as ...
Meeting Document : WG-EMM-2019/16 : Auteur(s): O.R. Godø
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A preliminary assessment for mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2019 random stratified trawl survey
Abstract: The annual random stratified trawl survey was undertaken in Division 58.5.2 in the ... , abundance and yield in Division 58.5.2 to the west of 79 o 20’ E using standard CCAMLR methods (CMIX and ... Generalized Yield Model). The 2019 survey showed a large 2+ and 3+ cohort in the population. Catches of 527 t ... in the 2019/20 season and 406 t in the 2020/21 season, respectively, satisfied the CCAMLR decision ...
Meeting Document : WG-FSA-2019/02 : Auteur(s): D. Maschette, G. Nowara and D. Welsford
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Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering
Abstract: The performance of echo sounder system is critical for using acoustic data collected ... evaluate the potential to use seabed backscattering as an alternative way to the standard sphere ... calibration. The largest inter-annual difference of the mean value of the maximum seabed backscattering (S v ... , respectively. However, ANOVA analysis indicated that there was no significant difference among years at both ...
Meeting Document : SG-ASAM-18/06 : Auteur(s): X. Wang, X. Yu and X. Zhao
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Developing conceptual models of the Antarctic marine ecosystem: squid
Abstract: The Convention for the Conservation of Antarctic Marine Living Resources (CCAMLR) is ... currently considering plausible models of the Southern Ocean ecosystem within the Working Group on Ecosystem ... describes properties for three groups of squid that may be included in future ecosystem models of the ... should no longer be modelled as specialist predators on Antarctic krill. Author(s): K. Phillips ...
Meeting Document : WG-EMM-04/26 : Auteur(s): K. Phillips (Australia)
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Barcoding and beyond: applications and developments for biodiversity evaluation in the Southern Ocean
Abstract: DNA barcoding is a valuable tool for biodiversity studies in the Southern Ocean. It can ... be combined with other types of systematics data (morphology, other sequence markers) to reassess the ... for fisheries, ecology or large scale biodiversity surveys. The rise of Next Generation Sequencing ... (NGS) techniques in the last 15 years has provided exciting new developments in classical barcoding ...
Meeting Document : WG-EMM-2019/54 : Auteur(s): A. Dettai, G. Duhamel, C. Gallut, M. Eléaume and A. Martin
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CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL FISHERY
; The variation in reported conversion factors for similar reported products can be attributed to a ... number of reasons:.; o Differences in the method of processing the same products o Seasonal variation o ... total catch estimates as the majority of vessels interviewed made direct estimates of green weight ... Clark, J., Peatman, T. Title: CONVERSION FACTORS AND GREEN WEIGHT CALCULATION IN THE ANTARCTIC KRILL ...
Meeting Document : TASO-09/06 : Auteur(s): Moir Clark, J., Peatman, T.
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Genetic analysis of skates (Amblyraja spp.) caught as by-catch around South Georgia and the South Sandwich Islands
within CCAMLR subareas 48.3 and 48.4. Morphological evaluations of the by-catch in these subareas ... indicate that up to three species from the skate genus Amblyraja occur: A. georgiana, A. georgiana sp. anon ... and Amblyraja taaf. In this report, we present results from the first population genetic analysis of ... (geography), rather than morphology, that is the major determinant of population differentiation in these ...
Meeting Document : WG-FSA-18/73 : Auteur(s): W.P. Goodall-Copestake, S. Perez-Espona, P. Hollyman and M. Belchier