Search results
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Low genetic diversity and temporal stability in the Antarctic toothfish (Dissostichus mawsoni) from near-continental seas of Antarctica
locations, or between samples collected in consecutive years, were observed. These results, based ... between geographic locations, or between samples collected in consecutive years, were observed ... D’Urville Sea, SSRU 5841G 02.01.2011 DIS810-841 32 2 I.I. Gordeev Mawson Sea, SSRU 5841Е 10.02.2011 DIS ... 896-924 29 3 I.I. Gordeev Collaboration Sea, SSRU 5842Е 18.02.2011 DIS925-959 35 4 I.I. Gordeev Bouvet ... Island area, SSRU 486G 09.03.2011 DIS960-977 18 5 I.I. Gordeev Ross Sea, SSRU 881C 64°56'S 179°45 ... 'W 04.12.2011 DIS978-1016 39 6 E.F. Kulish Bellingshausen Sea, SSRU 883С 69°29.2'S 82°21.3'W 25.02.2012 ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 1–9 : Author(s): Mugue, N.S., A.F. Petrov, D.A. Zelenina, I.I. Gordeev and A.A. Sergeev
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Mesopelagic fish of the Southern Ocean - summary results of recent Soviet studies
results of Soviet research on mesopelagic fish in Antarctic waters published in the last 5 to 7 years ... on myctophids of the Southern Ocean collected by the Soviet scientists during many years of research ... , myctophids of the Antarctic open waters (Lubimova et al., 1983b) feed all year round and have a long ... an adequate supply of food both for young and adult fish throughout the year, together with specific features ... these species are summarized in tables with details on area, season and source of data. Some data, e.g ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 433–457 : Author(s): Sabourenkov, E.N.
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Australian research on Antarctic bird and seal diets
Heard and Macquarie Islands have been collected during the last seven years. Published and unpublished ... -Antarctic Heard and Macquarie Islands have been collected during the last seven years. Published ... the last seven years. Published and unpublished results are collated and summarised, and several ... at Davis Station (68°30'S:77°50'E), in the south-eastern corner of the Prydz Bay Priority Area of CEMP ... most common Dec-Jan dominant late Nov-early Dec common Dec and Feb most common Dec 237 Prey ... : E. vallentini Low early Dec, peak early Jan, partial decline to mid Feb then ± steady Only common after mid ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 231-249 : Author(s): Williams, R.
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Food and feeding of the mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991
or lanternfish (Myctophidae) are of minor importance. In years when krill is abundant it represents the staple ... food. Mackerel icefish then tend to aggregate in areas of krill concentrations. In years of low krill ... are often more dispersed in these years of krill scarcity (Kock, 1981). During the UK Demersal Fish Survey ... .%), myctophids (Electrona sp., Gymnoscopelus sp.) (1.8%), early life stages of fish (C. gunnari primarily age ... mackerel icefish (Champsocephalus gunnari) around South Georgia in January/February 1991 were analysed in 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 15–23 : Author(s): Kock, K.-H., I. Everson, S. Campbell, G. Parkes, Z. Cielniaszek and J. Szlakowski
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Results of fish larvae sampling by means of fine-meshed samplers attached to a bottom trawl
in the shallow (108-166 m), nearshore waters of the north eastern shelf of South Georgia. Low values ... waters of the north eastern shelf of South Georgia. Low values of the abundance index, including most ... in order to obtain information about early life history stages of some species (North, 1987). The bottom ... ), in summer, the early life forms of this species concentrate mainly in the upper 20 m layer and only few ... . Distribution of fish larvae at South Georgia horizontal, vertical and temporal distribution and early life ... history relevant to monitoring year-class strength and recruitment. CCAMLR WG-FSA-87/16 . SLOSARClYK ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 69-86 : Author(s): Ślósarczyk, W. and I. Wójcik
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Sea-surface temperature and krill catches around South Georgia in December–February 1989–1991 and 1999–2001
for conducting a krill fishery in the area during the entire year. The reliability of these forecasts could ... with the early 1990s, the period from December to February in the late 1990s and early 2000s showed ... the entire year. The reliability of these forecasts could be appraised by comparing them with krill catches ... obtained under various hydrological conditions. In comparison with the early 1990s, the period from ... a krill fi shery in the area during the entire year. The reliability of these forecasts could ... . In comparison with the early 1990s, the period from December to February in the late 1990s and early 2000s ... at the beginning of the summer fi shing season could be used for predicting krill catches for the entire year ... by comparing forecasts with actual krill catches for a number of years. The aim of this study is to compare ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 165–174 : Author(s): Vanyushin, G.P
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Fish distribution and biomass in the Heard Island zone (Division 58.5.2)
, abundance and biology of the most important species, covering a number of years and seasons. Five species ... , but total abundance varied greatly between years. Channichthys rhinoceratus has a similar distribution ... of the most important species, covering a number of years and seasons. Five species were found to be abundant ... greatly between years. Channichthys rhinoceratus has a similar distribution, but abundance is lower ... important species, covering a number of years and seasons. Five species were found to be abundant ... greatly between years. Channichthys rhinoceratus has a similar distribution, but abundance is lower ... , Champsocephalus gunnari a n d Dissostichus eleginoides have been taken o n the plateau since the early 1970s ... of C. gunnari from the early 1970s was from this area before separa te s ta t is t ics we re kept for each ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 1–20 : Author(s): Williams, R. and W.K. de la Mare
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
work on this species. Von Bertalanffy growth models assuming different growth by sex and by year-within ... length-at-maturity (38.8 and 46.4 cm) and mean age-at-maturity (10.6 and 13.6 years) are presented ... Bertalanffy growth models assuming different growth by sex and by year-within-sex were fitted separately ... (38.8 and 46.4 cm) and mean age-at-maturity (10.6 and 13.6 years) are presented for males and females ... A longline fishery targeting toothfish (Dis sostichus spp.) in the waters in and near the Ross Sea ... and M.J. Manning National Institute of Water and Atmospheric Research (NIWA) Ltd Private Bag 14-901 ... growth by sex and by year-within-sex were fitted separately to a revised length- at-age dataset ... and 13.6 years) are presented for males and females respectively, using a reduced probit model. Résumé ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Author(s): Marriott, P.M., M.J. Manning and P.L. Horn
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) for the Heard and McDonald Islands using CASAL
Division 58.5.2), using CASAL and data consisting of multi-year random stratified trawl survey (RSTS ... ) for the Heard and McDonald Islands (CCAMLR Division 58.5.2), using CASAL and data consisting of multi-year ... (within-year) season compared to the combined early (within-year) seasons (see below for a description ... were based on a von Bertalanffy growth model that incorporates an early age (<5 years old) adjustment ... , q was estimated with the exception that a common q was estimated for the early surveys (i.e. years 1990 and 1993 ... CASAL and data consisting of multi-year random stratified trawl survey (RSTS) abundance estimates ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 1–34 : Author(s): Candy, S.G and A.J. Constable
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Estimation of effective sample size for catch-at-age and catch-at-length data using simulated data from the Dirichlet-multinomial distribution
year is important for such assessments, and this issue is studied using simulation. Between-haul ... heterogeneity within fishing year was simulated using samples from the Dirichlet-multinomial (D-M) distribution ... using aggregate year-level frequencies. The other three estimators use the haul-level frequencies ... on the new CV model; and (iii) that based on the PMLE. The year-level method gave very inaccurate estimates ... that corresponds marginally (i.e. averaged across hauls) to a particular mixed-effect multinomial dis- tribution ... a D-M distri- bution for haul-level frequencies. A possible criticism of the use of the D-M dis- tribution ... as a function of predicted class proportions, pya, assuming a multinomial dis- tribution of yn′ independently ... means its expected value not the randomly drawn value from the Poisson dis- tribution). For all ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 115–138 : Author(s): Candy, S.G