Search results
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
340–360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at about 370–400 mm ... TL and 6–8 years of age. Counts of growth zones in sectioned otoliths were used to determine ages ... a significantly larger mean asymptotic maximum size than males. Maximum ages of 8 and 11 years were obtained ... ;360 mm total length (TL) and about 3–4 years of age, and that 95% were mature at about 370&ndash ... were in advanced stages of digestion, except for two fish eggs. One stomach contained a single ... ) and about 3–4 years of age, and that 95% were mature at about 370–400 mm TL and 6–8 years of age. Counts ... maximum size than males. Maximum ages of 8 and 11 years were obtained for male and female fish ... longueur totale (LT) et à environ 3–4 ans d'âge, et que 95% l'étaient à environ 370–400 mm de LT et ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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The foraging range of Adélie penguins – implications for CEMP and interactions with the krill fishery
, the numbers of trips and the years over which tracking took place are provided in Table 1. Trivelpiece et ... locations of birds rearing chicks were determined Statistical Division 58.4.2, two in Division 58.4.1 ... at each site during every season in which tracking and one in Subarea 88.1 (Figure 1). This work ... of AdPlie penguins tracked for each location. I Location of Colony I Years Bechervaise Island (Mawson ... Paper Title: The foraging range of Adélie penguins – implications for CEMP and interactions with ... , Euphausia superba. Locations of penguins on foraging trips were compared with historical records of fine ... -scale krill catch data for the regions of interest. The potential for overlap with krill fishing occurs ... where penguins forage downstream from the fishery. It is suggested that the potential for overlap ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 75–87 : Author(s): Kerry, K.R., J.R. Clarke, S. Eberhard, H. Gardner, R.M. Lawless, S. Corsolini, S. Focardi, E. Franchi, D. Rodary and R. Thomson
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Conservation Measure Conservation Measure 41-08 (2017)
and 2018/19 seasons Area: Division 58.5.2 Species: Dissostichus eleginoides Adopted at Meeting: CCAMLR ... and 2018/19 seasons ... to 30 April in the 2017/18 and 2018/19 seasons, vessels shall use IWL gear in conjunction with paired ... of the period 1 April to 30 April when two scientific observers shall be carried. Data: catch/effort ... and 2018/19 seasons Species toothfish Area 58.5.2 Season 2017/18, 2018/19 Gear various Access ... in Statistical Division 58.5.2 in the 2017/18 and 2018/19 seasons shall be limited to 3 525 tonnes in each ...
Conservation Measure : 41-08 (2017)
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Reasons of differences between distribution and density of mackerel icefish (Champsocephalus gunnari) aggregations in the South Georgia area during summer and autumn periods in different years from the bottom trawl survey data
years from the bottom trawl survey data Approval: Approved ... gunnari) aggregations in the South Georgia area during summer and autumn periods in different years from ...
Meeting Document : WG-FSA-05/77 : Author(s): Zh.A. Frolkina (Russia)
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
and West Shelf Areas of the US AMLR survey grid. Cross-validation of acoustic estimates between these two ... of animals is skewed towards larger animals. We show that it is possible to develop semi-empirical models ... to average out differences among years. Author(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke ... and West Shelf Areas of the US AMLR survey grid. Cross-validation of acoustic estimates between these two ...
Meeting Document : SG-ASAM-12/04 : Author(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Semi-empirical acoustic estimates of krill biomass derived from simulated commercial fishery data based on single-frequency acoustics
and West Shelf Areas of the US AMLR survey grid. Cross-validation of acoustic estimates between these two ... of animals is skewed towards larger animals. We show that it is possible to develop semi-empirical models ... to average out differences among years. Author(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke ... and West Shelf Areas of the US AMLR survey grid. Cross-validation of acoustic estimates between these two ...
Meeting Document : SG-ASAM-15/03 : Author(s): A.M. Cossio, G.W. Watters, C.S. Reiss, J. Hinke and D. Kinzey (USA)
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Adélie penguins’ response to unmanned aerial vehicle at Cape Hallett in the Ross Sea region, Antarctica
) in 2018. In order to obtain suitable images for counting the number of nests and mitigate disturbances ... ) of the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) in 2018. In order to obtain ...
Meeting Document : WG-EMM-2019/36 Rev. 1 : Author(s): J.-H. Kim, Y.-S. Kim, J.-W. Jung, W.Y. Lee, H.-C. Kim, J.H. Kim, H. Chung and H.C. Shin
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On influence of acoustic survey methodology improvement on krill biomass estimation. (A comparison of results of acoustic surveys based on single-frequency and double-frequency algorithms)
species identification, one may suggest that other improvements for recent twenty years could also have ... species identification, one may suggest that other improvements for recent twenty years could also have ... krill surveys have taken place for the recent twenty years. It has been attempted to determine ... into account improvements in data collection and analytical methodologies. One may not exclude that differences ...
Meeting Document : WG-EMM-01/41 : Author(s): S.M. Kasatkina and A.P. Malyshko (Russia)
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UPDATED KRILL RECRUITMENT DATA FOR THE ELEPHANT ISLAND REGION OF THE SOUTH SHETLAND ISLANDS, ANTARCTICA; 2002-2008
derived from the CMIX procedure, and were also derived as a proportion of the <30 mm length class ... , with low recruitment occurring during the intervening years. Significant differences in the proportional ... recruitment indices occurred between legs within years indicative of the changing pattern of krill within ... the CMIX procedure, and were also derived as a proportion of the <30 mm length class for day and night ...
Meeting Document : WG-EMM-08/41 : Author(s): C. Reiss (USA)
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The contribution of the Soviet Union and Russia to the study of Antarctic biological resources (the 200th anniversary of the Antarctic discovery by Russia 1820–2020)
(the 200th anniversary of the Antarctic discovery by Russia 1820–2020) ...
Meeting Document : CCAMLR-XXXV/33 : Author(s): Делегация Российской Федерации