Search results
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Long-term trends in the foraging patterns of female Antarctic fur seals at South Georgia
Paper Title: Long-term trends in the foraging patterns of female Antarctic fur seals at South ... Georgia Abstract / Description: The number of feeding trips to sea made by female Antarctic fur seals ... during lactation may reflect the relative availability of local prey resources. Experimental work ... utilizing tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected ... -TERM TRENDS IN THE FORAGING PATTERNS OF FEMALE ANTARCTIC FUR SE!\LS AT SOUTH GEORGIA* 1 J.L ... . Bengtson (USA) Abstract The number of feeding trips to sea made by female Antarctic fur seals during ... lactation may reflect the relative availability of local prey resources. Experimental work utilizing ... tetracycline-marked teeth confirmed that the feeding trip/suckling cycles of females are reflected as ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 441-443 : Author(s): Bengtson, J.L.
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An iterative model to construct an age/length key to assess the age composition of a new fishery for Dissostichus eleginoides in Chilean waters
Paper Title: An iterative model to construct an age/length key to assess the age composition of a ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eleginoides was obtained with the application of a single age/length key ... sampled from the same population. If such sampling is not possible the estimates of the age distribution ... could be biased. By using an iteration algorithm it is possible to overcome this limitation. The age ... composition of catch for Dissostichus eZeginoides was obtained with the application of a single age/length ... key to the monthly length distribution using the non-linear model (Hoenig and Heisey, 1987). We found ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 11–20 : Author(s): Robotham, V. H. and Z. Young U.
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Cephalopod research in the Antarctic
Paper Title: Cephalopod research in the Antarctic Abstract / Description: Cephalopods are a ... major component of the Antarctic marine food web and it seems inevitable that they will be the subject ... of future commercial exploitation. Research is being carried out at BAS on the species composition ... policy for management of Antarctic cephalopods. In view of the rapidity that cephalopod fisheries can ... - 323 - CEPHALOPOD RESEARCH IN THE ANTARCTIC P.G ... . Rodhouse (United Kingdom) Abstract SC-CAMLR-VI/BG/ll Cephalopods are a major component of the ... Antarctic marine food web and it seems inevitable that they will be the subject of future commercial ... exploitation. Research is being carried out at BAS on the species composition and distribution of Antarctic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 323-334 : Author(s): Rodhouse, P.G.
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Patterns and processes in the distribution and dynamics of Antarctic krill
Paper Title: Patterns and processes in the distribution and dynamics of Antarctic krill Abstract ... / Description: A general framework is presented to develop, test and integrate component models of the ... abundance. Incremental models should then be compared to statistical descriptions of the observed ... distribution patterns at various scales of observation to ascertain the plausibility of the model and identify ... SC-CAMLR-VII/BG/20 PATTERNS AND PROCESSES IN THE ... framework is presented to develop, test and integrate component models of the distribution and dynamics of ... should then be compared to statistical descriptions of the observed distribution patterns at various ... scales of observation to ascertain the plausibility of the model and identify critical processes to be ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 281–299 : Author(s): Levin, S.A., A. Morin and T.M. Powell
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Some comments on the procedure for testing estimators of krill abundance which utilise survey data
Paper Title: Some comments on the procedure for testing estimators of krill abundance which ... computer generation of krill distribution patterns, which are compatible with existing information on the ... concentrations; these concentrations are then located at random within the survey area. These ‘two-level’ models ... provide an encouraging improvement in fits to the distribution of inter-swarm distances observed on the ... WG-KRILL-91/21 SOME COMMENTS ON THE PROCEDURE FOR ... computer generation of krill distribution patterns, which are compatible with existing information on the ... concentrations; these concentrations are then located at random within the survey area. These "two-level" models ... provide an encouraging improvement in fits to the distribution of inter-swarm distances observed on the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 191–205 : Author(s): Butterworth, D.S., D.L. Borchers and D.G.M. Miller
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
Paper Title: Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993 Abstract ... / Description: Acoustic estimates of krill biomass in the vicinity of Elephant Island are presented for the ... years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ... previous reports adjusted for the recently proposed definition of krill target strength (Greene et al ... BIOMASS IN THE ELEPHANT ISLAND AREA: 1981 - 1993 R.P. Hewitt Southwest Fisheries Science Center La ... 92093, USA (Supported by the Hertz Foundation) Abstract Acoustic estimates of krill biomass in the ... vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... ). Estimates for 1981 to 1991 are based on previous reports adjusted for the recently proposed definition of ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Author(s): Hewitt, R.P. and D.A. Demer
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Guidelines for the preparation of hydroacoustic survey reports on krill
paBHRnOCh 25 MHnRM. Ha TpeTheM H qeTBepTOM cTpaTax nrraHHpoBarrH 60nee qacTYID ceTKY, TaK KaK TaM ... Paper Title: Guidelines for the preparation of hydroacoustic survey reports on krill Abstract ... / Description: The proposed guidelines provide an opportunity to perform comparative analyses and checks of ... surveys. The unification of echometric survey data is aimed at increasing the effectiveness of research on ... the quantitative assessment of biomass of organisms. The guidelines contain a description of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 165-193 : Author(s): Kalikhman, I.L.
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
Paper Title: Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and ... Monitoring Program in the Prydz Bay area is proposed. Major components of the program are observations of ... research activities be co-ordinated by participating CCAMLR Members. The overall program should be co ... -ordinated and supervised by the CCAMLR Scientific Committee. File: 19-USSR.pdf ... ECOSYSTEM MONITORING IN THE COMMONWEALTH SEA AND PRYDZ BAY U.S.S.R. Abstract A general framework for ... a joint international CCAMLR Ecosystem Monitoring Program in the Prydz Bay area is proposed. Major ... components of the program are observations of prey and predator species including agreed indicator species ... participating CCAMLR Members. The overall program should be co-ordinated and supervised by the CCAMLR ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Author(s): USSR
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Genetic variations and population structure of krill from the Prydz Bay region of Antarctic waters
Paper Title: Genetic variations and population structure of krill from the Prydz Bay region of ... consistent with the hypothesis that all samples were derived from a single breeding population of krill. The ... results of this study agree closely with genetic data from other studies on krill in the Atlantic sector ... of the Southern Ocean, suggesting that krill stocks over at least 6000 kilometres of Antarctic waters ... POPULATION STRUCTURE OF KRILL FROM THE PRYDZ BAY REGION OF ANTARCTIC WATERS C.M. MacDonald, R. Williams ... result consistent with the hypothesis that all samples were derived from a single breeding population ... of krill. The results of this study agree closely with genetic data from other studies on krill in ... the Atlantic sector of the Southern Ocean, suggesting that krill stocks over at least 6000 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 271-273 : Author(s): MacDonald, C.M., R. Williams and M. Adams
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Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)
Paper Title: Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1 ... trawl surveys around Elephant Island (the northernmost island of the South Shetland Islands) from 1977 ... /78 to 1992/93. The results are presented in table format. File: 10kock-harm.pdf ... AREAS OF SEABED WITHIIV THE 500 M ISOBATH AROUND ELEPHANT ISLAND (SUBAREA 48.1) K.-H. Kock and U ... trawl surveys around Elephant Island (the northernmost island of the South Shetland Islands) from 1977 ... /78 to 1992/93. The results are presented in table format. Resume Les aires de fond marin ont ete ... published by Everson (1987) based on work requested by the BIOMASS Estimates of areas of seabed within ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Author(s): Kock, K.-H. and U. Harm