Search results
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Histopathology of Antarctic krill (Euphausia superba) bearing black spots
Abstract: In Antarctic krill, Euphausia superba, sampled by a Japanese scientific observer ... onboard a krill fishing vessel in the winter of 2003 and 2006 in the South Georgia region, the Antarctic ... strains were also confirmed by in situ hybridization for 16S rRNA. The melanized nodules were almost ... secondary. The development of the tumor-like cell mass in the gonad may be the primary condition, although ...
Meeting Document : WG-EMM-07/29 : Author(s): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)
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Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation
, the authors noted that the differences were not entirely due to noise. In this study, the accuracy of ... the DWBA model is further explored. Results indicate that phase variability in the scatter from ... elements of a discretized bent cylinder (krill model) causes a dramatic flattening in the side-lobe regions ... krill TS measurements in McGehee et al. (1998). Thus, by accounting for phase-variability in the ...
Meeting Document : WG-EMM-02/50 : Author(s): D.A. Demer and S.G. Conti (USA)
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BEACH DEBRIS SURVEY AND INCIDENCE OF ENTANGLEMENT OF ANTARCTIC FUR SEALS ARCTOCEPHALUS GAZELLA AT SIGNY ISLAND, SOUTH ORKNEY ISLANDS 2007/2008
). There was a decrease in the number of plastic packaging bands with only two found in the current season ... (both of which had been cut open), marking a break in the otherwise continued rise in packaging bands ... the longevity of plastics and other materials with a high resistance to degradation in the marine ...
Meeting Document : WG-FSA-08/26 : Author(s): M.J. Dunn and C.M. Waluda (UK)
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Proposal for trials to test modified longline gear as a means to reduce cetacean depredation and mitigate incidental bird catch
” longline configuration for mitigating cetacean interactions in 2006. This paper should be read in ... UK intends to proceed with further, more extensive trials, in the 2007/08 fishing season in Subarea ...
Meeting Document : WG-FSA-07/31 : Author(s): Delegation of the United Kingdom
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Reviewing the age structured production model (ASPM) as an alternative method to estimate the Patagonian toothfish biomass at CCAMLR Subarea 48.3
toothfish stock assessment at CCAMLR Subarea 48.3. Results obtained from this model, presented in the last ... meeting of WG-FSA-SAM held in Yokohama (Japan), show acceptable fit with standardized CPUE series, annual ... catches and observed catch length proportions (Wöhler et al., 2005- WG-FSA-SAM 05/5). In this paper, we ... estimate vulnerability patterns. Results were similar to those obtained in paper WG-FSA-SAM 05/5. Author(s ...
Meeting Document : WG-FSA-05/73 : Author(s): O.C. Wöhler, P.A. Martinez and A. Aubone (Argentina)
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How fast do demersal longlines sink?
and are important in efforts to minimise seabird by-catch in longline fisheries. We measured sink ... rates in still water of longlines made by Fiskevegn, the world’s leading manufacturer of demersal ... 18 cm/second for Silver lines of the same diameter. Samples of lines set by hand in still water sank ...
Meeting Document : WG-FSA-02/25 : Author(s): G. Robertson (Australia), E. Moe, R. Haugen (Norway) and B. Wienecke (Australia)
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SOME FIELD MATERIALS ON AREA AND SEASON OF ANTARCTIC TOOTHFISH SPAWNING
to select locations and periods of Antarctic toothfish mass spawning in some areas of the Pacific ... Ocean and Indian Ocean sectors of the Antarctic. In the Ross Sea area the most probable areas are the ... Pacific Antarctic Ridge and the Amundsen Ridge in the Amundsen Sea area. In the Cooperation Sea area the ...
Meeting Document : WG-FSA-08/14 : Author(s): V. Prutko (Ukraine)
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Observation of fishing operation and distributional behaviour of krill on a krill trawler off Wilkes Land during the 1985/86 season
operation was described in detail. Fish finder was most useful in detecting swarms while sonar was used to ... in different fishing areas. While catch per towing time reflects within-swarm density catch per day ... time and space may have difficulties in standardization when data from different vessels are to be used ...
Meeting Document : SC-CAMLR-VI/BG/35 : Author(s): T. Ichii (Japan)
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Analysis of anomalous CPUE data from data-poor exploratory fisheries
Insung No. 7 while participating in CCAMLR exploratory fisheries. The operational characteristics of ... these ships showed distinct differences to the other ships that have participated in longline toothfish ... fisheries in Divisions 58.4.1, 58.4.2 and subarea 48.6. These differences are reflected in CPUEs with large ...
Meeting Document : WG-FSA-12/07 : Author(s): Secretariat and Delegation of the Republic of Korea
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Draft Krill Fishery Report
summary of information related to the krill fishery in a similar format to the fishery reports that are ... completed for finfish fisheries in WG-FSA (www.ccamlr.org/node/75667). The Secretariat agreed to coordinate ... in content to a finfish Fishery Report. The following compilation of information on the krill fishery ... includes a report on krill fishing in the current season and a list of notifications for next season ...
Meeting Document : WG-EMM-14/58 : Author(s): Secretariat