Résultats de la recherche
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Solutions to seabird by-catch in Alaska’s demersal longline fisheries
and 2000) in 2 major Alaska demersal longline fisheries: the Gulf of Alaska /Aleutian Island ... for improvement and innovation. A key feature of this program was an industry-agency-academic ... conditions. We report the results of experimentally rigorous tests of seabird bycatch deterrents on the local ... abundance, attack rate, and hooking rate of seabirds in both fisheries. Based on our results, we recommend a ...
Meeting Document : WG-FSA-01/35 : Auteur(s): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)
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DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE
Abstract: The level of data quality assessment and ‘certification’ as ‘fit for purpose’ depends ... confirmation of their validity. In the context of CCAMLR, data may undergo one set of quality testing in order ... , to determine data integrity for a specific analysis. Identifying these levels of data validation is ... important for prioritizing the work of the Secretariat in data quality assessment, and also in ensuring that ...
Meeting Document : WG-SAM-09/05 : Auteur(s): Secretariat
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UAV for monitoring environmental changes on King George Island (South Shetland Islands) Antarctica: preliminary study on wildlife disturbance
were conducted, in the Adelié penguin (Pygoscelis adeliae) colony at Pt. Thomas (Western Shore of ... UAV flying at the altitude of 300-350 m AGL (Above Ground Level) over the colony were compared to ... Abstract: The importance of Unmanned Aerial Vehicles (UAVs) in remote sensing is rapidly growing ... investigate potential effects of wildlife disturbance by UAVs. In austral summer 2014-2015 UAV overflights ...
Meeting Document : WG-EMM-15/50 : Auteur(s): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)
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WG-FSA-91
List of documents WG-FSA-91/04 State of water structure as a factor determining fish behaviour (at the ... documents Doc Number Title WG-FSA-91/01 Provisional and Annotated Provisional Agenda for the 1991 meeting of ... the Working Group on Fish Stock Assessment (WG-FSA) WG-FSA-91/02 List of participants WG-FSA-91/03 ... example of Kosmonavtov and Sodruzhestva Seas) B.G. Trotsenko, V.V. Gheracimchook and G.P. Korshunova (USSR ...
Meeting
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2015-16 Research plan in Division 58.4.4 for Dissostichus spp.
expectation of tag-recapture: SSRU C at 25 tons and SSRU D at 35 tons. Author(s): Delegation of France Title ... Abstract: Regarding the low levels of stocks of Dissostichus spp. and the high levels of IUU ... estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ...
Meeting Document : WG-SAM-15/52 : Auteur(s): Delegation of France
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2016/17 in Division 58.4.3a by France and Japan
remain unchanged at 32 tonnes for 2016/17 to maximize the expectation of tag-recapture. Author(s ... 58.4.3a was estimated during WG-FSA 2015 using the Petersen estimator at 398 tonnes. Despite further ... developments of CASAL integrated stock assessment models for this division in 2015, geometric mean of Chapman ... biomass estimators is used for the calculation of stock size in this division in 2015. The developing ...
Meeting Document : WG-SAM-16/03 : Auteur(s): Delegations of France and Japan
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Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
contours plotted at 500, 1 000, 2 000 and 3 000 m. 1. Details of the fishery In 2005 the Working ... of Dissostichus spp. has shown a steadier increasing trend over the same period, peaking at 3 105 ... a broad mode of adult fish at about 120–170 cm. In 2005/06 there was a strong mode at about 60 cm ... in Subarea 88.2. These fish were predominantly caught at the edge of the continental shelf in SSRUs ...
Document : Site Section: Publications
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
entirely due to the impact of the catch-at-age data from the shelf fishery. Parameterising the model to ... Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... ), using revised catch, CPUE, catch-at-age and tag-recapture data from New Zealand vessels. The updated ... reference case resulted in a much higher estimate of initial biomass, though this appeared to be almost ...
Meeting Document : WG-FSA-06/60 : Auteur(s): A. Dunn and S.M Hanchet (New Zealand)
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Fishery Report: Dissostichus eleginoides (TOP) Heard Island (Division 58.5.2)
58.5.2 was estimated in WG-FSA-09/20, including using large amounts of catch-at- age data for the first ... observer data. The number of hauls (N) and the number of fish measured (n) in each year are given at the ... number of fish measured (n) in each year are given at the top of each panel. 2. Stocks and areas 6 ... near Heard Island to at least 1 800 m depth around the periphery of the plateau. Random stratified ...
Document : Site Section: Publications
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Fishery Report: Dissostichus eleginoides Heard Island (Division 58.5.2)
in Division 58.5.2 was estimated in WG-FSA-09/20, including large amounts of catch-at-age data for ... to at least 1 800 m depth around the periphery of the plateau. Random stratified trawl surveys have ... ) 1452.5 (31) 1481.3 (32) 1509.6 (33) 1537.3 (34) 1564.5 (35) (year) mm CV of length-at-age CVVB ... –length keys (ALKs). The method of calculating the CV for abundance-at-age data is described in WG-FSA ...
Document : Site Section: Publications