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Report from the CCAMLR Observer (Chile) to the Third Session of the Preparatory Conference for the Commission of the South Pacific Regional Fisheries Management Organisation
Session of the Preparatory Conference for the Commission of the South Pacific Regional Fisheries ... Author(s): CCAMLR Observer (Chile) Title: Report from the CCAMLR Observer (Chile) to the Third ...
Meeting Document : CCAMLR-XXXI/BG/29 : Autor(es): CCAMLR Observer (Chile)
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The error of the biomass estimate as a function of survey parameters and the statistics of a density field of krill aggregations
the dependence of relative sampling error in a biomass estimate (from a survey) on the statistical ... Paper Title: The error of the biomass estimate as a function of survey parameters and the ... characteristics of the fish concentration density field and on parameters of the survey itself, have been derived ... with the help of mathematical statistics and methods of calculus of probabilities. The biomass estimate ... error in a biomass estimate (from a survey) on the statistical characteristics of the fish ... parameters. The relationships described here can be used in practice for both a posteriori estimation of ... ecological meaning, it is necessary to supply them with ,confidence intervals indicating the limits of ... nature of the estimate in question. If such a dependence has been revealed, it would be possible to ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 213-228 : Autor(es): Kizner, Z.I.
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Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area
continued at Potter Cove from 1991 to 1999, and at Harmony Cove, Nelson Island, in the austral summer of ... 1995/96. Still evident is the decline in trammel-net catches of fjord-dwelling Notothenia rossii and ... relative abundance of this species and G. gibberifrons are well below those found in the early 1980s. These ... Paper Title: Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons ... ), conservation measures have been adopted in order to assist the recovery of these species by banning directed ... , Nelson Island, in the austral summer of 1995/96. Still evident is the decline in trammel-net catches of ... the diet of the piscivorous Antarctic shag (Phalacrocorax bmnsfieldensis) in the South Shetland ... -Antarctic Peninsula area in this decade. The decrease in recruitment to the inshore sub-populations of N ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Autor(es): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
Paper Title: Characteristics of krill aggregations in the South Sandwich Islands subarea in ... characteristics of some 2 400 krill swarms detected in the study area were sized acoustically and are described in ... biomass is shown. About 64% of the krill biomass was concentrated in krill swarms in the upper 80 m depth ... January–February 2000 Abstract / Description: During the survey of Subarea 48.4 from 17 January to 1 ... . 9 (2002): 145–164 145 CHARACTERISTICS OF KRILL AGGREGATIONS IN THE SOUTH SANDWICH ISLANDS ... detected in the study area were sized acoustically and are described in this paper. Results of ... in Subarea 48.4 INTRODUCTION The study of krill aggregation patterns and schooling behaviour is ... very important, not only in studies of krill ecology, but also in the management of krill fi sheries ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990
the status of the Champsocephalus gunnari stock in the South Georgia area. In February 1990 the size ... 9+ were present in catches. Two peaks in size composition correspond with fish of the 1987 and 1985 ... in the South Georgia area in 1990 Abstract / Description: In January/February 1990 the UK and the ... Paper Title: Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken ... RV Hill Cove and RV Akademik Knipovich to study the status of the ChampsocephaZus gunnari stock in ... the South Georgia area. In February 1990 the size composition of catches taken by Akademik Knipovich ... . Since Champsocephalus gunnari is one of the most abundant fish species exploited in the Antarctic, it ... the C. gunnari stock in the South Georgia area. Investigations of the size composition of catches ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Autor(es): Kochkin, P.N.
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Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4
Paper Title: Results of a longline survey on seamounts in the southeast Atlantic and in Subarea ... although this trend may be confounded by the presence of local seabed features, and juvenile fish in nearby ... vary from 1:1. Females accounted for 70% of individuals of more than 90 cm in total length. The stratum ... October and 1 December 1997, and several seamounts were surveyed to the south of Africa: close to the ... RESULTS OF A LONGLINE SURVEY ON SEAMOUNTS IN THE SOUTHEAST ATLANTIC AND IN CCAMLR SUBAREA 48.6 (ATLANTIC ... ) and in the CCAMLR region (Shona and Spiess seamounts, the western slope of Bouvet Island, Ob and Lena ... confounded by the presence of local seabed features, and juvenile fish in nearby shallow water. The sex ... . Females accounted for 70% of individuals of more than 90 cm in total length. The stratum with the highest ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Autor(es): López Abellán, L.J. and J.F. González Jiménez
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Observation of seabirds in the Southern Ocean in 1988/89
Paper Title: Observation of seabirds in the Southern Ocean in 1988/89 Abstract / Description ... : This paper examines the numerical and species distribution of birds in the sub-Antarctic area of the ... study period are discussed as is the wide variability of numerical and species distribution in each ... Southern Ocean to the south of 60°S. Thirty minute observations were made daily during daylight hours at 8 ... WG-CEMP-90/33 OBSERVATION OF SEABIRDS IN THE SOUTHERN ... species distribution of birds in the sub-Antarctic area of the Southern Ocean to the south of 600 S ... the wide variability of numerical and species distribution in each oceanic sector of Antarctica ... the RV Akademik Fedorov. 2. METHOD OF OBSERVATION Observations were made while the vessel was in ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 521–542 : Autor(es): Vagin, A.V. and V.V. Popov
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Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013
Abstract: In the Division 58.4.1 there are two stocks of Dissostichus mawsoni, which is ... analyze the reproductive ecology of Dissostichus mawsoni in SSRU 58.4.1C based on the histological methods ... season. The ratio of female of D. mawsoni collected in SSRU 58.4.1C during the 2012/2013 season was 0.54 ... . The type of ovarian development of D. mawsoni was group-synchronous type. In the ovaries of growing ...
Meeting Document : WG-FSA-13/45 : Autor(es): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Report on fishery and scientific activity of Ukraine in the Antarctic in 1993/94
Abstract: In the season of 1993-1994 Ukrainian fishing fleet conducted fisheries in two areas of ... Antarctic waters of the World Ocean: in the Atlantic (subareas 48.2 and 48.3) and the Indian (zone of the ... in subarea 48.2 from 01.03.1994 to 10.04.1994 and from the middle of the second ten-day period of May ... to the middle of the first t en-day period of June. GENERAL PETROV worked from 21.04 to 17.05 in ...
Meeting Document : SC-CAMLR-XIII/BG/12 : Autor(es): Observer (Ukraine)
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Analysis of spatial and temporal structure in long-term krill fishery in the Area 48 and its relation to climate variability
Antarctic krill fishery in the Area 48 using the CCAMLR fishery data and time series of ААО induces ... fishing regime switching. The peculiarity of such switching in the entire Area 48 and its Subareas 48.2 ... , 48.2 and 48.3 is considered. It was found that the significant switching of fishery regime occurred in ... characterized by the highest values of CPUE index and AAO index reached in the Area 48 for the whole 1986-2011 ...
Meeting Document : WG-EMM-12/50 : Autor(es): P. Gasyukov and S. Kasatkina (Russia)