Resultados de la búsqueda
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Do fish prey size affect the foraging patterns and breeding output of the Antarctic shag Phalacrocorax bransfieldensis?
. Differences in the composition of the diet might be related to different foraging areas used by the shags ... at Py Point might be the difference in fish prey consumption between these and shags from Midas ... Islands, may be one of the reasons to explain the steady decrease in the number of breeding Antarctic ...
Meeting Document : WG-EMM-02/4 : Autor(es): R. Casaux and A. Baroni (Argentina)
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The influence of environmental variables and mitigation measures on seabird catch rates in the Japanese tuna longline fishery within the Australian Fishing Zone, 1991–1995
fishery. In the Australian Fishing Zone (AFZ) seabirds were most likely to be caught on longlines that ... may be lowered by the use of bird lines, bait throwing machines and thawed baits. However, appropriate ... use and deployment of these measures are critical if they are to be effective. Further work is ...
Meeting Document : WG-FSA-98/32 : Autor(es): N. Brothers, R. Gales and T. Reid (Australia)
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Revised proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
from a well- designed survey in the Ross Sea could be a useful input into the stock assessment model ... survey, the target fish age and length classes to be monitored, appropriate survey strata size and ... methodologies. As a result of this review, we propose that the first survey be a pilot, with two main objectives ...
Meeting Document : WG-FSA-11/47 : Autor(es): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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FIELD IDENTIFICATION GUIDE TO HEARD ISLAND AND MCDONALD ISLANDS (HIMI) BENTHIC INVERTEBRATES: A GUIDE FOR SCIENTIFIC OBSERVERS ABOARD FISHING VESSELS
Committee requested that guides be prepared for the identification of benthic organisms (SC-CAMLR-XXVI ... copy of the guide will be distributed to each CCAMLR delegate and will be available electronically on ...
Meeting Document : SC-CAMLR-XXVIII/BG/12 : Autor(es): Delegation of Australia
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A history of the exploitation of the Ross Sea, Antarctica
be the least affected stretch of ocean on Earth, although historical effects were not included in the ... the details of biological exploitation can be so elucidated. It does appear that the Ross Sea ... continental shelf remains the least affected of any on the globe; the same can not be said of the slope ...
Meeting Document : WG-EMM-09/P03 : Autor(es): D.G. Ainley
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RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2009/10
shallow points of < 500 m in SSRU A in order to avoid catching small fishes. A Trot line system will be ... one fishing line, will be used in order to standardize the CPUE of Trot line more accurately in this ... . Concentrated tagging, 3 fish/ton, will be made to apply the mark-and-recapture studies. Author(s): Delegation ...
Meeting Document : WG-SAM-09/11 : Autor(es): Delegation of Japan
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A proposal for a CCAMLR vessel monitoring system
similar issues. The cost of equipment and software for the CCAMLR FMC is estimated to be from A$53 900 to ... 88 000 depending upon the hardware option. The FMC operation and maintenance cost is estimated to be ... implementation, which should be taken into account by the Commission in taking a decision on the establishment of ...
Meeting Document : CCAMLR-XIV/14 : Autor(es): Secretariat
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Reproduction in Antarctic notothenioid fish - a review
–20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ... decreasing relative fecundity towards higher latitudes. Incubation time may be up to five months. Eggs of ... observed in three species but may be more common in particular among the artedidraconids. A number of ...
Meeting Document : SC-CAMLR-X/BG/12 : Autor(es): Delegation of Germany
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Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region – FIBEX, ADBEX II and SIBEX II
), 1983-84 (ADBEX II) and 1984-85 (SIBEX II) cruises respectively. It could not be concluded, however ... changes in abundance can be detected can be improved by underway identification of target species, better ...
Meeting Document : SC-CAMLR-VII/BG/40 : Autor(es): Delegation of Australia
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Age determination of the Antarctic fishes Champsocephalus gunnari and Notothenia rossii from South Georgia
periodicity in Antarctic hydrographic conditions, age determination of Antarctic fish has proven to be ... could be reliably determined from body measurements and otolith measurements. These techniques allowed ... 55 cm in 7 years. The lack of: the large size groups for Notothenia rossii may be indicative of over ...
Meeting Document : SC-CAMLR-VI/BG/43 : Autor(es): R. Radtke (USA)