Résultats de la recherche

1. Incorporation of a model of krill recruitment into the Butterworth et al. Stochastic krill dynamics model (SKDM)

   Abstract:  The method of simulating recruitment variability using observed ratios of 0 year krill ... recruitment. Incorporation into the SKDM increases the variability of the krill population dynamics predicted ... by the model, although median escapement is similar to the previous formulation of the model. Author ... (s):  D.J. Agnew (Secretariat) Title:  Incorporation of a model of krill recruitment into the ...

   Meeting Document : WG-Krill-94/05 : Auteur(s): D.J. Agnew (Secretariat)

2. Assessments of the Stocks of Notothenia rossii marmorata and Chamsocephalus gunnari in the South Georgia Area

   Abstract:  The stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South ... . These data Indicate that the stock of N. rossii in 1985 was about 2.5% of its pre-exploitation biomass ... , while the stock of Champsocephalus gunnari has fluctuated greatly with no obvious trend. Author(s):  J ... . Cooke (IUCN) Title:  Assessments of the Stocks of Notothenia rossii marmorata and Chamsocephalus gunnari ...

   Meeting Document : WG-FSA-86/02 : Auteur(s): J. Cooke (IUCN)

3. Estimation of the green weight of krill caught

   scale and meal conversion. This paper provides a preliminary summary of the data reported so far in 2014 ... directly estimate the green weight of krill caught (Conservation Measure 21-03, Annex B). This requirements ... -EMM-14. Estimates of green weight and parameter values are reported in each vessel’s haul-by-haul ... of the green weight of krill caught: codend volume, holding tank volume, flow meter (method 2), flow ...

   Meeting Document : WG-EMM-15/19 : Auteur(s): CCAMLR Secretariat

4. Extinction risk of Antarctic and sub-Antarctic colonies of Pygoscelid penguins under climate change context

   Abstract:  Several studies have emphasized the variable abundance of Pygoscelid penguins from ... different colonies around Antarctica. In this study, the extinction risk of Adélie, Chinstrap and Gentoo ... structure and the response of population dynamics of each colony to exogenous perturbations. The ... , i.e. prior to the breeding season, which directly affects the carrying capacity of the area. The ...

   Meeting Document : WG-EMM-2019/74 : Auteur(s): M. Huerta and S.A. Estay

5. OPTIMISING THE DESIGN OF LARGE-SCALE GROUND SURVEYS OF ADÉLIE PENGUIN ABUNDANCE USING VIRTUAL SIMULATION IN A GEOGRAPHIC INFORMATION SYSTEM

   Abstract:  One of the recommendations for future work from the 2008 Predator Survey Workshop was ... use of satellite imagery and the use of GPS receivers to accurately map colony areas from which ... approach is illustrated using a case study of a large-scale ground survey of Adélie penguins. The findings ... aircraft. Author(s):  C. Southwell, R. Driessen and S. Candy (Australia) Title:  OPTIMISING THE DESIGN OF ...

   Meeting Document : WG-EMM-11/42 : Auteur(s): C. Southwell, R. Driessen and S. Candy (Australia)

6. Standing stock biomass of eight species of finfish around Elephant Island and the lower South Shetland Islands (Subarea 48.1) from the 1998 US AMLR bottom trawl survey

   bottom trawl surveys in March, 1998 of the two major regions of the South Shetland Islands: Elephant ... Island and the lower South Shetland Islands from King George Island to Livingston Island. Estimates of ... Lepidonotothen squamifrons. Estimates of total stock biomass only were computed for two additional species ... one system using previous and updated estimates of seabed areas for Elephant Island and the lower ...

   Meeting Document : WG-FSA-98/17 : Auteur(s): C.D. Jones (USA), K.-H. Kock and S. Wilhelms (Germany)

7. Use of a population model to assess the impact of longline fishing on wandering albatross populations

   Abstract:  An age-structured model of a wandering albatross Diomedea exulans population is ... rate of 2.29% per year, which concurs with global population trends. Sensitivity analyses of model ... albatross mortality is presumed to have increased as a result of deaths caused by longline fishing vessels ... investigate the potential impacts of new longline fisheries such as that for Patagonian toothfish Dissostichus ...

   Meeting Document : WG-IMALF-94/08 : Auteur(s): Coleen L. Moloney, John Cooper, Peter G. Ryan and W. Roy Siegfried (South Africa)

8. The diet of the blue-eyed shag Phalacrocorax atriceps at Laurie Island, South Orkney Islands, as reflected by the analysis of stomach contents collected throughout the breeding season

   Abstract:  The analysis of twenty nine stomach contents collected in a colony close to Pirie ... prey of the blue-eyed shag Phalacrocorax atriceps, followed by octopods, decapods and gammarids ... . Notothenia coriiceps constituted the bulk of the diet; however, its importance decreased by the end of the ... study when Nototheniops nudifrons was the most important prey. The composition of the diet varied ...

   Meeting Document : WG-EMM-95/81 : Auteur(s): Coria, N., Barrera-Oro, E., Casaux, R.

9. Joint Polish/American hydroacoustic survey of Elephant Island in the vicinity of King George Island, 1988

   years survey. The total biomass in the vicinity of Elephant Island was estimated from 120 kHz data to be ... 260 k tons and that in the Bransfield Strait South of King George Island was 39 k tons for a total of ... 7,787 nm2) in the Bransfield Strait and the area North of King George Island and 309k tons (in 8,836 nm2 ... ) in the expanded area around Elephant Island. Author(s):  United States of America Title:  Joint ...

   Meeting Document : SC-CAMLR-VII/BG/21 : Auteur(s): United States of America

10. A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica

    Abstract:  Samples of an eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) were ... obtained from the bycatch of the longline fishery for toothfish (Dissostichus mawsoni and D. eleginoides ... ) in the Ross Sea, Antarctica. Counts of zones visible in sectioned otoliths were used to estimate ... length or sex distributions of the populations (i.e., small fish and males were absent). The Muraenolepis ...

    Meeting Document : WG-FSA-10/19 : Auteur(s): P.L. Horn and C.P. Sutton (New Zealand)

Pages