Search results
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THE ROSS SEA: A CANDIDATE FOR IMMEDIATE INCLUSION IN A NETWORK OF MARINE PROTECTED AREAS
Abstract: In the Southern Ocean fisheries are increasingly being exploited while the effects of ... populations and communities, thus confounding management. It is timely for CCAMLR to develop a network of MPAs ... , with initial inclusion of the well-researched Ross Sea, the area of the Southern Ocean having ... last stretches of the world’s oceans where sea ice remains an important part of the system. The Ross ...
Meeting Document : CCAMLR-XXVII/BG/30 : Author(s): Submitted by ASOC
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Short note: By-catch of fishes caught by the krill fishing vessel Niitaka Maru in the South Georgia area (August 2007)
Abstract: Scientific observation on the species composition and abundance of fishes incidentally ... from 6 August to 30 August to the north of South Georgia Is. Among 87 net hauls quantitatively examined ... 21 hauls. Among a total of 7 fish species, Myctophidae 3, Zoarcidae 1, Nototheniidae 1 and ... Channichthyidae 2, recognized, Krefftichthys anderssoni of Myctophidae occurred most frequently (38.5% of net ...
Meeting Document : WG-EMM-08/57 : Author(s): T. Iwami and M. Naganobu (Japan)
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A multi-frequency method for improved accuracy and precision of in situ target strength measurements
Abstract: The effectiveness of a split-beam echosounder system to delineate single scatterers and ... synchronized signals from two or more adjacent split-beam transducers of different frequencies. The accuracy of ... from one of the split-beam transducers, additional corresponding TS measurements can be collected with ... juxtaposed single-beam transducers. Both methods were utilized to extract in-situ TS measurements of ...
Meeting Document : WG-EMM-97/24 : Author(s): Hewitt, R.P., Soule, M.A., Demer, D.A.
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Remarks on natural mortality of Dissostichus eleginoides in Subarea 48.3
Abstract: With samples originated in the Chilean longline fishery of Dissostichus eleginoides of ... the considered cases with the different growing parameters, with the exception of the case of fishing ... sites. By other hand, when comparing the different mean values of M for the different variables, it was ... hooks N° 22. The general mean value of M calculated for the 44 analyzed situations was 0.14 ± 0.03 ...
Meeting Document : WG-FSA-92/21 Rev. 1 : Author(s): C.A. Moreno and P.S. Rubilar (Chile)
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Hook selectivity in the longline fishery of Dissostichus eleginoides (Nototheniidae) off the Chilean coast
fisheries of the patagonian toothfish Dissostichus eleginoides related with the selectivity of the type and ... size of hooks used in the longlines. Original data obtained during 1991 on the coast of Valdivia, South ... . The size frequency of the population collected with straight hooks No3 and 4 are not significatively ... as the number of the straight hook increases (for example from 4 to 3) or when they change from ...
Meeting Document : WG-FSA-91/11 : Author(s): C.A. Moreno (Chile)
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Preliminary observation about the possibility of Antarctic krill escapement from a trawl net
underwater video camera attached on the trawl net of Japanese commercial trawler Fukuei-maru (4,350.62 GT) in ... 2011. To avoid the influence of camera lighting on krill behavior, the observation was conducted during ... daytime. Few krill appeared to escape from posterior part of trawl net. When the trawl net caught dense ... krill swarms, krill escaped from anterior part of trawl net. Krill were observed to swim actively after ...
Meeting Document : WG-EMM-12/66 : Author(s): K. Fujita and S. Hasegawa (Japan)
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Methodological aspects of the International Synoptic Krill Survey in Area 48, 2019
Abstract: The effect of differences in the methodology used for the CCAMLR 2000 krill acoustic ... survey and the 2019 synoptic survey were considered. These were 1) the effect of acoustic surveying at ... effect of krill discrimination method. Surveying during the day only produced a 6% increase in the ... distributions. The choice of krill discrimination method had a marked effect on the per-stratum biomass ...
Meeting Document : SG-ASAM-2019/10 : Author(s): G. Macaulay, G. Skaret, T. Knutsen and B. Krafft
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A Risk Assessment and ancillary approaches to facilitate the management of the krill fishery as envisaged by WG-EMM-2019
likelihood that CCAMLR will be able to update its management of the krill fishery in subareas 48.1-4 by the ... time CM 51-07 expires. A key element of this procedure is the extension of the Risk Assessment to ... enable catches to be distributed across the area taking account of estimated predator demand. We request ... that CCAMLR allocate funds from the General Science Capacity Fund to enable this component of the ...
Meeting Document : SC-CAMLR-38/17 : Author(s): Delegations of the United Kingdom and Australia
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High densities of pennatulaceans (sea pens) encountered at sites in the South Orkney Islands (Subarea 48.2): three potential Vulnerable Marine Ecosystems
Abstract: High densities of pennatulaceans (Phylum Cnidaria: Order Pennatulacea), a vulnerable ... marine ecosystem (VME) indicator taxa, were encountered at three sites on the northeastern shelf of the ... South Orkney Islands (Subarea 48.2). The details of these encounters, utilizing occurrence and abundance ... currently registered VMEs, one of which was based solely on high densities pennatulaceans. Although the ...
Meeting Document : WG-EMM-18/36 : Author(s): C.D. Jones
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Report of the Workshop for the Analysis on the Anomalously High CPUE by Korean Vessels in the CCAMLR Area
CCAMLR Area, organized by the Ministry of Oceans and Fisheries of Korea with the assistance of the CCAMLR ... suggested at the Workshop are described in the report. Author(s): Delegation of the Republic of Korea Title ... : Report of the Workshop for the Analysis on the Anomalously High CPUE by Korean Vessels in the CCAMLR Area ...
Meeting Document : WG-SAM-13/39 : Author(s): Delegation of the Republic of Korea