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Krill (Euphausia superba) distribution in relation to water movement and phytoplankton distribution off the northern South Shetland Islands
Paper Title: Krill (Euphausia superba) distribution in relation to water movement and ... phytoplankton distribution off the northern South Shetland Islands Abstract / Description: In December/February ... 1990/91 a survey was conducted by RV Kaiyo Maru in the vicinity of the South Shetland Islands and ... concentration of krill and to estimate krill biomass in the area surveyed. Krill biomass estimation was done by ... levels (0, 10, 20, 30, 40, 50, 75, 100, 125, 150 and 200 m). Chl-a concentration was determined by ... shallower. The top level of the integration depth, 10 m, was changed sometimes to 20 m in order to avoid ... . Since krill in this region tended to be most abundant within the depth range of 30 to 40 m (Fisheries ... curtain drogue (4 m x 1 m) deployed at 30 m depth in order to study flow patterns at this depth. 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 123–140 : Autor(es): Ichii, T., H. Ishii and M. Naganobu
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Joint research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand
proposal is for an additional 3 years covering the period 2018, 2019 and 2020. It is designed to build on ... (Parker et al. 2014). A 3-year research plan for this subarea was commenced by Korea in 2016 and new ... Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in Subarea 88.3 began with a ... survey by Chile in 1999. Since then there have been research surveys by New Zealand (2005), Russia (2011 ...
Meeting Document : WG-FSA-17/40 : Autor(es): Delegations of the Republic of Korea and New Zealand
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
hence a multi-year mark-recapture tagging program was initiated by New Zealand fishing vessels in 2001 ... model was developed for Antarctic toothfish in the Ross Sea region that incorporates multi-year release ... of tagged fish and subsequent multi-year data of recapture of tagged fish in conjunction with fishery ... Paper Title: A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... . _______________________________________________________________ 1 The CCAMLR fishing season starts on 1 December and ends on 30 November in the following year ... years. This was based on work by Hanchet et al. (2008), who hypothesised an ontogenetic move- ment of ... in succes- sive years. A relative index of vessel-specific tag detection performance for the Ross ... north fishery selectivity 10 20 30 40 50 Age Age Age ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Autor(es): Mormede, S., A. Dunn and S.M. Hanchet
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Catches of target species in the Convention Area
reported to 30 20 September 2018, are presented with dates of closures of fisheries implemented by the ... Abstract: This paper presents catches from directed fishing on toothfish, icefish and krill in ... the Convention Area in 2016/17 and 2017/18, including catches taken during scientific surveys ... conducted in accordance with Conservation Measure 24-01. Monthly catch totals for 2017/18, based on data ...
Meeting Document : SC-CAMLR-XXXVII/BG/01 Rev. 4 : Autor(es): CCAMLR Secretariat
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
Subarea 48.3, which includes satellite surveys with GOES-E, Meteosat and in situ monitoring, together with ... conducting a krill fishery in the area during the entire year. The reliability of these forecasts could be ... Paper Title: Sea-surface temperature and krill catches around South Georgia in December–February ... 1989–1991 and 1999–2001 Abstract / Description: Monitoring of sea-surface temperatures (SSTs) in ... includes satellite surveys with GOES-E, Meteosat and in situ monitoring, together with further analysis ... conducting a krill fi shery in the area during the entire year. The reliability of these forecasts could be ... ) from December to February was observed each year, there was a decrease in mean SST (both on monthly ... . 9 (2002): 165–172 165 SEA-SURFACE TEMPERATURE AND KRILL CATCHES AROUND SOUTH GEORGIA IN DECEMBER ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Autor(es): Vanyushin, G.P
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Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Division 58.4.1
Description / Abstract: Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in ... confidence in the amount and/or the location of those catches (SC-CAMLR-XXXIII, paragraph 3.68). Those years ... * q Some catch data in these years is now quarantined, the following catch is not included in the ... (Songhua) have a long history of operating together in the Convention Area, usually supported by a reefer ... CCAMLR in recent years after the acknowledgement that commercial fishing by itself had resulted in too ...
Document : Site Section: Publications
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
Paper Title: A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region are reviewed. Based on the presumed ... of the smallest toothfish taken in the toothfish fishery. The hypothesis presented is that D. mawsoni ... in CCAMLR Subareas 88.1 and 88.2 spawn mainly on the ridges and banks of the Pacific-Antarctic ridge ... 70°S from December to May for all years and all vessels. Month G S I ( % ) 0 5 10 15 20 25 ... rest, and is setting this time delay for the floats deeper in the water column. After two years the ... provided for 19 sub- regions, each 10° in latitude and 20° in longitude. The number of floats per sub ... the floats released at 146 m depth, about 30% were retained in the area of release, about 12% moved ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Autor(es): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
]), where L t is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the ... Paper Title: Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea Abstract ... been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... estimate of longevity because of the possibility that thorn growth ceases in large individuals. There was ... pelvic length (PL) in centimetres at age t years. Applying this growth curve to the estimated lengths at ... rst band. Most skates in our sample had estimated ages of 2–9 years. The maximum age estimates were ... ). The maximum estimated age of 14 years found in this study should be regarded as a conservative ... size in just 2–3 years. Previous literature on the growth of Antarctic and sub-Antarctic species ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Autor(es): Francis, M.P. and C. Ó Maolagáin
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Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.2
Description / Abstract: Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in ... . In 2017, 9 vessels (from six Members) fished in SSRUs 882C–H. For 2018, eight Members with a total ... (Figure 2). In SSRUs 882C–G, there was a distinct mode at about 60–80 cm, meaning that in years when ... years fishing in these SSRUs occurred in the south on the continental slope/shelf. 5 ... for those years to produce annual catch-at-age distributions (WG-FSA-16/45). In 2017, New Zealand ...
Document : Site Section: Publications
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Genetic identification of fish caught as by-catch in the Antarctic krill fishery and comparison with observer records
Abstract: Juvenile/larval fish taken as bycatch in the Antarctic krill fishery (CCAMLR subarea ... identifications made on vessels by scientific observers. A total of 344 fish (primarily in the families ... by observers (5 families; 8 species) was considerably lower than with DNA barcoding (7 families; 20 ... B. Deagle Title: Genetic identification of fish caught as by-catch in the Antarctic krill fishery ...
Meeting Document : WG-EMM-18/30 : Autor(es): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle