Résultats de la recherche
-
Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
Abstract: The Prince Edward Islands support the largest breeding population of the vulnerable ... Wandering Albatross Diomedea exulans. The number of birds breeding in this population has fluctuated over ... the past three decades and appears to be the result of both real changes in the size of the population ... and changes in the proportion of the population that attempts to breed in a given year. We describe ...
Meeting Document : WG-FSA-02/16 : Auteur(s): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
-
Changes to seabird avoidance regulations in Alaska demersal longline fisheries based on scientific research on effectiveness of mitigation measures
Abstract: The North Pacific Fishery Management Council (Council) recommended changes to the ... existing regulations for seabird avoidance measures required in the groundfish and halibut demersal ... longline fisheries off Alaska. One of the main recommendations is for the required use of paired streamer ... lines on larger vessels. Changes were based on research results from a two-year study conducted by the ...
Meeting Document : WG-FSA-02/53 : Auteur(s): K.S. Rivera (USA)
-
Semi-automated software to count and validate Adélie penguin colonies from aerial photographs
of nesting Adélie penguins (Pygoscelis adeliae), on aerial photographs of the Ross Sea sector of ... Antarctica. The software is written in MATLAB ®, is freely available and is deployed to users as a graphical ... , which is slow, and highly-dependent on the skill of the operator. The basis of the semi-automated ... counting procedure is linear discriminant analysis to separate the background (snow, water, rock, bare ...
Meeting Document : WG-EMM-14/54 : Auteur(s): S.J. McNeill, K.J. Barton and P.O’B. Lyver (New Zealand)
-
EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-07 TO ALLOW FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS
Abstract: EU PROPOSAL FOR AMENDMENT TO THE CCAMLR CONSERVATION MEASURES 10-06 AND 10-07 TO ALLOW ... FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS Explanatory Memorandum Over the course of last years ... , CCAMLR adopted Conservation Measures 10-06 and 10-07 which provide for the identification of individual ... vessels, flagged both to Contracting and Non-Contracting Parties, engaged in IUU activities in the ...
Meeting Document : CCAMLR-XXIX/43 : Auteur(s): Delegation of the European Union
-
EU PROPOSAL FOR AMENDMENT TO CCAMLR CONSERVATION MEASURE 10-06 TO ALLOW FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS
Abstract: EU PROPOSAL FOR AMENDMENT TO THE CCAMLR CONSERVATION MEASURES 10-06 AND 10-07 TO ALLOW ... FOR INTERSESSIONAL DE-LISTING OF IUU VESSELS Explanatory Memorandum Over the course of last years ... , CCAMLR adopted Conservation Measures 10-06 and 10-07 which provide for the identification of individual ... vessels, flagged both to Contracting and Non-Contracting Parties, engaged in IUU activities in the ...
Meeting Document : CCAMLR-XXIX/42 : Auteur(s): Delegation of the European Union
-
Report of a domestic workshop to identify U.S. stakeholders’ objectives and protection priorities for one or more marine protected areas in Planning Domain 1
Abstract: The United States has substantive interests within the boundaries of Planning Domain 1 ... , and, in March 2015, scientists from the U.S. Antarctic Marine Living Resources Program hosted a ... domestic workshop to develop background information relevant to the establishment of one or more marine ... protected areas (MPAs) therein. Key products from the workshop include a list of the types of specific ...
Meeting Document : WG-EMM-15/34 : Auteur(s): G. Watters (USA)
-
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 ... penguins was evaluated in order to identify the most endangered colonies under present-day and future ... environmental scenarios. The extinction risk was estimated for twelve colonies from environmentally contrasting ...
Meeting Document : WG-EMM-2019/74 : Auteur(s): M. Huerta and S.A. Estay
-
Tendencias de la biomasa de Dissostichus eleginoides (Smitt, 1898) en la Subarea 48.3 (1992–1997)
Abstract: The stock assesment of Dissostichus eleginoides from the subarea 48.3, between the ... split years 1992 to 1997, was estimated using the Sequential Population Analysis (SPA) model based in ... the catch at age data. The model was tunned by the standarized CPUE. For this last process GLlM was ... used and for the aplication of SPA the non-lineal function of Solver in Excel was used. The results ...
Meeting Document : WG-FSA-97/43 : Auteur(s): Moreno, C.A., Rubilar, P.S., Zuleta, A., Young, Z.
-
Are penguins and seals in competition for Antarctic krill at South Georgia?
Abstract: The Antarctic fur seal (Arctocephalus gazella) and macaroni penguin (Eudyptes ... chrysolophus) are sympatric top predators that occur in the Southern Ocean around South Georgia where they are ... , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... while provisioning their offspring. In this study we test the hypothesis that the increased fur seal ...
Meeting Document : WG-EMM-02/22 : Auteur(s): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)
-
Survey database
Abstract: Last year, WG-FSA discussed further work on the survey database. It was agreed that the ... exports data from their databases in CCAMLR format. It was also agreed that Members should consider the ... data requirements of the new CCAMLR survey database, and ensure that all essential data are recorded ... and submitted to the Secretariat. In addition, WG-FSA agreed that the Data Manager would develop a ...
Meeting Document : WG-FSA-03/7 : Auteur(s): Secretariat