Résultats de la recherche
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Human activity and disturbance: building an Antarctic site inventory
Antarctic shipboard tourism takes place. A brief summary of this human history in Antarctica reveals a wide ... intended to provide a new measure of protection by ensuring that tourism, science, and all other human ... a database and inventory of information that assists in both the preparation and the evaluation of ...
Meeting Document : WG-EMM-98/09 : Auteur(s): R. Naveen, Oceanites (USA)
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CLIMATE CHANGE AND THE ANTARCTIC MARINE ENVIRONMENT: MANAGEMENT IMPLICATIONS
necessitate that CEP and CCAMLR address a number of key issues if both organisations are to fulfil their ... understanding, such a risk assessment should be feasible and should provide a focus for future work. As part of ... .. Therefore, a plan for the future would likely involve delegated responsibility (e.g. to CEP, or CCAMLR, or ...
Meeting Document : WG-EMM-09/24 : Auteur(s): P.N. Trathan and D. Agnew (United Kingdom)
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Length composition, sex ratio, and pre-spawning migration of Dissostichus eleginoides in Subarea 48.3 during 1995
South Georgia (NWSG). In March there was a high proportion of large females at Wshag (72%) but a nearly ... equal proportion of males and females at NWSG. It is suggested that a strong influx of small fish at ... at Wshag are hypothesised to be the result of a prespawning migration of sub-adults, especially males ...
Meeting Document : WG-FSA-95/27 Rev. 1 : Auteur(s): Agnew, D.J.
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The relationship between krill (Euphausia superba) fishing areas in the west Atlantic and the species’ circumpolar distribution
four regions are also calculated- (a) the CCAMLR Convention Area, (b) south of 55°S, (c) containing ... computer software based on a Lambert Geographical Projection. As a secondary step, the mean krill density ... estimate for the West Atlantic during FIBEX (First International BIOMASS Experiment) is expanded to give a ...
Meeting Document : SC-CAMLR-VIII/BG/19 : Auteur(s): Delegation of South Africa
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Preliminary results from CEMP monitoring of Antarctic fur seals, chinstrap penguins and macaroni penguins at Bouvetøya 1996/97
Abstract: A CCAMLR Ecosystem Monitoring Program (CEMP) was initiated at Bouvet0ya, South Atlantic ... Ocean, during an expedition to the island from 9 December 1996 to 22 February 1997. A research station ... sharply since the last count in 1989/90. The population of Macaroni Penguins has shown a more moderate ... (s): Hofmeyr, G.J.G., Dyer, B.M., Næstvold, A., Mehlum, F., Gjertz, I., Bakken, V., Isaksen, K ...
Meeting Document : WG-EMM-97/20 : Auteur(s): Hofmeyr, G.J.G., Dyer, B.M., Næstvold, A., Mehlum, F., Gjertz, I., Bakken, V., Isaksen, K., Huyser, O.
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Optimization of the sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
for detection of interannual variability are obtained and a sampling protocol is suggested. A table of ... minimal numbers of penguins to be sampled as a function of number of sampling dates and magnitude of the ... x date interaction equal to the variance component for penguin in dates obtained from a previous ...
Meeting Document : WG-CEMP-90/09 : Auteur(s): E. Marschoff and B. Gonzalez (Argentina)
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Results from the reduced groundfish survey conducted in CCAMLR Subarea 48.3 in January 2012
Abstract: A reduced (three day) groundfish survey took place at Shag Rocks on the FV New Polar ... between the 26-28th January 2012. This survey was not intended to be a full biomass survey so only 20 ... three size cohorts of fish identified including evidence of a new cohort of 2+ age fish (29-39cm). Catch ... . Author(s): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom ...
Meeting Document : WG-FSA-12/37 : Auteur(s): J. Brown, S. Gregory, A. Stanworth, V. Carretero, G. Baker and M. Belchier (United Kingdom)
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An overview of tagging skates (Rajiformes) and CCAMLR skate tagging data
better understand a wide range of metrics including movements and migrations, stock units, growth rates ... taxonomic and identification problems, this makes the tagging studies undertaken in CCAMLR area a ... CCAMLR Working Groups. This report provides an overview of global tagging studies on skates, a review of ... tag loss and tag shedding rates in fish (with emphasis on elasmobranchs), a summary of CEFAS tagging ...
Meeting Document : WG-SAM-13/25 Rev. 1 : Auteur(s): S.R. McCully, D. Goldsmith, G. Burt, R. Scott and J.R. Ellis (United Kingdom)
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Characterising catch and effort from data-poor toothfish fisheries in CCAMLR Divisions 58.4.3 – 58.4.4
Abstract: A preliminary characterisation of available fishing information regarding catches and ... 2012. During this period, a total of 9 countries registered fishing operations in which 1811 sets were ... Bank) accumulated the highest proportion of allocated effort in which a total of 948 sets (52\%) were ... seasonal pattern was detected and spatial coverage of fishing operations showed a reduction across time ...
Meeting Document : WG-SAM-13/41 : Auteur(s): J.C. Quiroz, R. Wiff (Chile) and P. Martinez (Argentina)
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Mapping trends in activity of illegal, unreported and unregulated (IUU) fishing in the CAMLR Convention Area
based on sightings data alone provides a restricted view these activities. This combined analysis also ... between an apparent decrease in IUU catch and a decrease in surveillance effort that results in fewer ... sightings. A potential approach to understanding the actual ‘surveillance’ potential of licenced fishing ... vessels, by developing a better understanding of the probability that another vessel will be detected, is ...
Meeting Document : CCAMLR-XXXII/BG/09 Rev. 1 : Auteur(s): Secretariat