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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 : Автор(ы): 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 : Автор(ы): 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 : Автор(ы): A. Polanowski, J. Clark, D. Maschette, D. Welsford and B. Deagle
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at ... decline in trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to ... increasing trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... continuous sampling period of 24 years which began in 1983, and from 2001 to 2003 at Harmony Cove (HC). By ... declined from values of over 20% in 1985 to values of less than 5% in 1988. Since then, G. gibberifrons ... abundance of N. rossii in the split-years 1995/96, Table 1: Results of the ANOVAs performed on total and ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Автор(ы): Barrera-Oro, E.R. and E.R. Marschoff
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
Paper Title: Standardization of fishing effort for Champsocephalus gunnari in the South Georgia ... inflexible in its use of data types and has no estimate of accuracy. A standardized CPUE index for ... Champsocephalus gunnari fishing in Subarea 48.3 is derived using a multiplicative model and data from many ... different classes (countries, types of vessel, fishing gear, months and years). Multiple regression is used ... fishing was at first carried out by means of bottom trawls, in recent years midwater trawls have been ... CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA (SUB AREA 48.3) P.S. Gasiukov* Abstract Traditional ... calculation of catch-per-unit-effort series is inflexible in its use of data types and has no estimate of ... accuracy. A standardized CPUE index for Champsocephalus gunnari fishing in Subarea 48.3 is derived using ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Автор(ы): Gasiukov, P.S.
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An assessment of toothfish in Subarea 48.3 using CASAL
Paper Title: An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description: This ... various tuning datasets. Bayesian methods are used in the estimation procedure, and uncertainty in the ... years refer to the fishing season that started in December prior to the year quoted. For example, year ... measurements of the catch weighted by catch size. In the early years (1985–1995) only fleet-based ... fishing in different years with different selec- tivities. However, for each fleet, the selectivities- at ... different fleets in the two sets of years (Table 3). The specifics of the CASAL estimation routines are ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Автор(ы): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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Champsocephalus gunnari stock status in the South Georgia area
intensity was F 0.1. In the first two cases TAC=25-30 thousand tonnes and stock size does not change. For ... Paper Title: Champsocephalus gunnari stock status in the South Georgia area Abstract ... recruitment was taken at the lowest possible level for all these years (400 million specimens). Catch-per-unit ... intensity (F) in a predicted period was equal to the average value of fishing mortality: (b) For the ... was FO.1• In the first two cases TAC=2S-30 thousand tonnes and stock size does not change. For the ... WG-FSA-88/32 CHAMPSOCEPHALUS GUNNARI STOCK STATUS IN ... possible level for all these years (400 million specimens). Catch-per-unit-effort was also taken at the ... lowest level. T AC was calculated for three possible situations: ( a) Fishing intensity (F) in a ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Автор(ы): Borodin, R. and P. Kochkin
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Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
Paper Title: Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the ... -at-spawning for female and male Antarctic toothfish (Dissostichus mawsoni) from fish sampled in the ... least a 6–12 month period, resulting in a developed group of oocytes accumulating at the final ... region is 16.6 years (95% CI 16.0–17.3) or 133.2 cm (95% CI 130.9–135.7) by length. On average, males ... Age (years) 0 10 20 30 ... f fi sh Age (years) 5 10 15 20 25 30 ... not be abundant in a recently spawned ovary. These cells range in size from 20–150 μm. Later in the ... ). Of the EVG-stage fish that did not spawn in the previous season, 70% were between 13 and 18 years ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Автор(ы): Parker, S.J. and P.J. Grimes
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