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Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
Paper Title: Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari ... in the South Georgia area Abstract / Description: The stocks of Notothenia rossii marmorata and ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... , while the stock of Champsocephalus gunnari has fluctuated greatly with no obvious trend ... important to recognise that the age data themselves provide little or no information on the status of a ... the initial reduction of the stock in the period 1970-71 was rather abrupt, these data provide no ... exceeding them. Even if there were no dependence of recruitment on stock size in the range encountered ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Autor(es): Cooke, J.G.
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A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey
the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey Abstract / Description ... : A probabilistic Bayesian Maximum Entropy (MaxEnt) technique was used to estimate the abundance of ... Antarctic krill (Euphausia superba) across the Scotia Sea using data from the CCAMLR 2000 Krill Synoptic ... Survey of Area 48 (CCAMLR-2000 Survey) and to map the density distribution of krill across the survey ... - 2000 Survey. There is in principle no mathematical transform that can be applied to the data that will ... fishery acous- tic surveys, there is no need for such complication, since both the data and the image ... . The estimates generated by the two methods dif- fered by no more than 1%. In addition, since the ... scaling factor (the rate of change of the blurring width) was found to have almost no effect on the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Autor(es): Heywood, B.G., A.S. Brierley and S.F. Gull
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
Paper Title: Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... 48.2) during 1989/90 Abstract / Description: The results of an analysis of haul-by-haul catch ... statistics from the Soviet krill fishing fleet during the 1989/90 season (sample of 3 614 hauls for the ... period from 1 November 1989 to 12 June 1990) are presented. During the season, fishing vessels worked one ... operation. In particular, until now no publications have been available that document the distribution of ... required. Short-term target tows were rare since there were no reliable sonars on the Soviet vessels ... THE SOVIET KRILL FISHING FLEET IN THE SOUTH ORKNEYS AREA (SUBAREA 48.2) DURING 198911990 V.A ... St. Kaliningrad 236000, Russia Abstract The results of an analysis of haul-by-haul catch ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Autor(es): Sushin, V.A
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Fishes of the Ross Sea Region – A field guide to common species caught in the longline fishery
working on toothfish longline fishing vessels to identify the main species of fishes taken in the Ross Sea ... . The guide covers 30 fishes from 11 families including cartilaginous fishes (skates) and bony teleost ... fishes caught in the Ross Sea region longline fishery over time. This is because there is uncertainty ... about the identification of some of the fishes, and taxonomic study (beyond the scope of this guide) is ... species caught in the longline fishery New Zealand Aquatic Environment and Biodiversity Report No. 134 ... taken mainly from Gon & Heemstra (1990). For some species there is no common name and the family name ... margin and midline with most of the rest of the disc smooth. No thorns in front of eyes and usually ... gelatinous flesh. Single dorsal and anal fins continuous with the tail fin. No fin spines and all fin rays ...
Document : Site Section: Publications
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Status of the FIBEX acoustic data from the West Atlantic
are consistent with the other surveys. The authors can find no explanation for this difference. File ... Paper Title: Status of the FIBEX acoustic data from the West Atlantic Abstract / Description ... : Data from the FIBEX acoustic survey in the West Atlantic sector have been re-examined to check the ... consistency between the results from four of the vessels, Itzumi, Dr Eduardo L. Holmberg, Odissey and Walther ... the other surveys. The authors can find no explanation for this difference. Resume Les auteurs ont ... (Anon., 1986), it is no longer possible to clarify a number of these uncertainties, hence the ... within the I t z u m i cruise and not used for comparison with other cruises. No problems have been ... within one of the Scotia Sea survey areas. Following conversion to MVBS, no further problems have ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 35–48 : Autor(es): Trathan, P.N. and I. Everson
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Results of the fifth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2016, and notification for continuation in 2017
situated in SSRU 881.M) of importance to predators: McMurdo Sound in 2016 and Terra Nova Bay in 2017. The ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. The ... results of the fifth survey in the time series. The objectives of this survey were: (1) to continue a time ...
Meeting Document : WG-SAM-16/14 : Autor(es): A. Dunn, C. Jones, S. Mormede and S. Parker
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Results of the sixth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, January 2017
predators: Terra Nova Bay in 2017, with McMurdo Sound surveyed in 2016. The estimated relative biomass index ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... abundance from a well-designed survey could be a useful input into the Ross Sea stock assessment model. In ... this paper we provide results of the sixth annual survey in the time series. The objectives of this ...
Meeting Document : WG-SAM-17/01 : Autor(es): K. Large, L. Robinson and S. Parker
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The winter distribution of Adélie and chinstrap penguins from two breeding colonies in the South Shetland Islands of Antarctica
penguins from a breeding site in Admiralty Bay, King George Island (62° 10’ S, 58° 30’ W) were instrumented ... Abstract: Satellite telemetry was used to determine the winter movements and distributions of ... five chinstrap and six Adélie penguins from two breeding colonies in the South Shetland Islands ... , Antarctic Peninsula region during the 2000 and 2001-2002 austral winters, respectively. Three chinstrap ...
Meeting Document : WG-EMM-02/55 : Autor(es): S.G. Trivelpiece and W.Z. Trivelpiece (USA)
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Krill biomass estimates for two survey boxes to the north east and north-west of South Georgia in January 1996: the beginning of a five-year monitoring program
over the shelf-break to the north-east and north-west of South Georgia. Surveys were conducted from RRS ... the first in a new five-year British Antarctic Survey programme initiated in part to monitor inter ... -annual variability in the abundance of the Antarctic krill Euphausia superba in the South Georgia region ... , and to provide krill biomass estimates for management purposes. Survey box 1 was located to the north ...
Meeting Document : WG-EMM-96/18 : Autor(es): Watkins, J.L., Murray, A.W.A., Brierley, A.S.
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On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611
Paper Title: On the presence of Paralomis spinosissima and Paralomis formosa in catches taken ... during the Spanish survey Antártida 8611 Abstract / Description: This paper provides information on ... Antarctic crabs obtained during the 1986 Spanish survey ANTARTIDA 8611, which covered the shelf around all ... the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 took place around ... CCAMLR Science, Vol. 1: 165-173 ON THE PRESENCE OF ... PARALOMIS SPINOSISSIMA AND PARALOMIS FORMOSA IN CATCHES TAKEN DURING THE SPANISH SURVEY A N T A R T ' A ... information on Antarctic crabs obtained during the 1986 Spanish survey ANTARTIDA 861 1, which covered the ... shelf around all the archipelagos in the Scotia Sea. A total of 345 hauls was conducted, of which 29 ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Autor(es): López Abellán, L.J. and E. Balguerías