Résultats de la recherche
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Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds
Abstract / Description: Selectivity studies were carried out for two types of steelon codends used in ... for codend construction. The most difficult matter will be preparing a codend with proper selectivity ... properties for South Georgia icefish, because this species exhibits the smallest tendency to escape during ... producing selective trawl gear for harvesting Antarctic fish seems crucial from the point of view of ... 40 I J i 30 I 20 Figure 8: Selectivity ogives for Antarctic icefish on Antarctic fishing grounds ... I I / B / / /: I I I I I ./e r-=- 20 30 Figure 5: Selectivity ogive for ... -.-_ .... 1 20 1 1 1 I 1 1 1 30 ':'0 50 Figure 7: Selectivity ogive for Antarctic icefish by ... ., for 100 mm codend - two experiments were carried out on the Elephant I. ground. Because of very ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Auteur(s): Zaucha, J.
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
a good index to measure abundance of a concentration. Comparison of such an index across time and ... Paper Title: Observations of fishing operations on a krill trawler and distributional behaviour ... operations were observed on board a commercial vessel and the actual operation described in detail. ‘Fish ... NO.487 n-297 No.488 n-300 No.489 n=314 No.490 n=309 No.491 n=303 20 30 40 50 ... Feb. n=4696 Area H2 Early Mar. n=5319 Area H2 20 30 40 50 Body length (mm) 60 Fig. 9 ... actual operation and on the distributional behaviour of krill necessary for the interpretation of CPUEs ... off Africa. In recent years, the through-year activity of the trawlers has come to be incorporated ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Auteur(s): Ichii, T.
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États adhérents
Depositary, Australia. Contact details for Acceding States is provided below. Bulgaria Prof. Yordan Staykov ... Email: parepcanberra [at] internode [dot] on [dot] net Panama, Republic of Ms Flor Torrijos General ...
Page : Site Section: The Organisation
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On reproduction of Electrona carlsbergi (Tåning)
Paper Title: On reproduction of Electrona carlsbergi (Tåning) Abstract / Description: This paper ... consists of two layers: an internal one - a membrane in itself - and an external one, formed by follicular ... in experimental conditions to count for E. carlsbergi the number of eggs in one batch. An attempt ... WG-FSA-90/20 ON REPRODUCTION OF ELECTRONA CARLSBERGI ... . NAFPAKTITIS. 1967. A study of the effects of expatriation on the gonads of two myctophid fishes in the North ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 397–409 : Auteur(s): Mazhirina, G.P.
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Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: a report on recent joint activities and links between ICED and CCAMLR
an initial, mainly qualitative, assessment of the potential impacts of climate change on krill, their ... Abstract: ICED is an international multidisciplinary programme undertaking integrated circumpolar ... analyses to improve understanding of Southern Ocean change, the implications for ecosystems and for ... interest to CCAMLR. The 2018 ICED Projections Workshop, undertaken in collaboration with CCAMLR, provided ...
Meeting Document : WG-EMM-2019/02 : Auteur(s): R.D. Cavanagh, N.M. Johnston and E.J. Murphy
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Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ... abundance of whales in relevant subareas for krill management, and the second is on the concentration of ... of Antarctic sighting cruises for whale assessment purposes organized by the International Whaling ... observed in CPIII than in CPII while that Antarctic minke whale showed an inverse trend. These observations ...
Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in July 2007, using the generalised yield model
58.5.2 in the vicinity of Heard Island in July 2007 to provide the information for an assessment of short ... for the area of Division 58.5.2 to the west of 79o 20’ E using standard CCAMLR methods. Evidence of ... strong 1+ year class recruiting to the population has led to an increase in the estimated biomass of ... mackerel icefish, and an increase on the recommended catch over the projection. Based on a similar cohort ...
Meeting Document : WG-FSA-07/47 : Auteur(s): D.C. Welsford (Australia)
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Some characteristics of krill transport in the Scotia Sea based on the Russian survey data
within SSMU, nor with the total catch from the Scotia Sea for any fishing season during the latest 20 ... that krill transport estimates should be taken into consideration in the scheme for allocating the ... Abstract: In this work the characteristics of krill transport across the SSMUs determined on the ... based on the long-term data from 3012 stations and respective time intervals when the water mass in the ...
Meeting Document : WG-EMM-05/41 : Auteur(s): S.M. Kasatkina, V.N. Shnar and O.V. Berezhinsky (Russia)
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Preliminary assessment of mackerel icefish, Champsocephalus gunnari, in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in May–June 2006 using the Generalised Yield Model
58.5.2 in the vicinity of Heard Island in May-June 2006 to provide the information for an assessment of ... yield for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. A lack of ... fishery next year, yield estimates for 2006/07 are a further 70% lower. Author(s): D.C. Welsford ... evidence of strong year classes recruiting to the population has led to a significant decrease in the ...
Meeting Document : WG-FSA-06/43 Rev. 1 : Auteur(s): D.C. Welsford (Australia)
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Interannual variations of water thermochaline structure on South Georgia Island, South Orkney Islands and Shetland Islands shelves
between the same. Two year types were revealed in the area of South Orkney Isls. Availability of a warmed ... temperature, while in other years (1980, 1981) the layer temperature was negative. The second year type (1979 ... could be used when analysing krill aggregations' distribution and density for the period of years ... characteristics, T,S diagrams' typification has been realized for hydrological stations carried out in the ...
Meeting Document : WG-EMM-00/34 : Auteur(s): P. Chernyshkov, V. Shnar, O. Berezhinsky and I. Polischuk (Russia)