Resultados de la búsqueda
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.3a
improve the estimation of current biomass. An update of the assessment of Dissostichus eleginoides using a ... estimated at around 400 tonnes and B 2013 /B 0 at around 50%. With Petersen’s method, geometric mean stock ... abundance for D.eleginoides, averaged over all available estimates is 403 tons. Application of the harvest ... rate applied to D. eleginoides in Subarea 48.4 (γ = 0.038) gives yields of 15 tons. But biomass ...
Meeting Document : WG-SAM-14/17 : Autor(es): Delegation of France
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New Zealand research voyages to the Ross Sea region in 2018 and 2019
monitor outflow of Antarctic Bottom Water at the continental shelf-break in the Cape Adare region; (2 ... ) surveys of seabed habitats and fauna at previously un-surveyed sites on Iselin Bank, Scott C seamount, and ... Abstract: This paper provides a summary of research carried out during New Zealand’s 2018 voyage ... to the Ross Sea region, and gives notice of a New Zealand 2019 research voyage to the Ross Sea region ...
Meeting Document : WG-EMM-18/02 : Autor(es): D. Bowden, R. O’Driscoll and M.H. Pinkerton
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Seabird avoidance measures for small Alaskan longline vessels
. Vessels deploying snap-on gear at 2 to 3.5 knots produced mean access windows of 28 to 38 m while the mean ... Abstract: Given the lack of information on appropriate seabird avoidance measures for small ... capability of these vessels to deploy streamer lines and/or buoy lines according to performance standard ... guidelines. Vessel speed was found to be a primary determinant of both the distance astern that longline ...
Meeting Document : WG-FSA-05/36 : Autor(es): E.F. Melvin and M. Wainstein (USA)
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To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?
number and distribution of killer whales in the Ross Sea region. At present, the balance of evidence ... , Sulzberger Bay) or at the scale of the whole Ross Sea shelf and slope. Basic information necessary to ... . It is also possible that changes in killer whale feeding can affect the structure and stability of ... commonly observed carrying toothfish in their mouths; (2) comparison of the relative nutrient density of ...
Meeting Document : WG-EMM-13/29 : Autor(es): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)
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Demonstrating global leadership in marine spatial protection
Reserves. Adoption of a general Conservation Measure on MPAs at CCAMLR XXX should assist Members in the ... as they convene for their 30th annual meeting. One of the most important is fulfilling their ... commitment to meet the World Summit on Sustainable Development (WSSD) goal of designating a representative ... system of marine protected areas (MPAs) and Marine Reserves by 2012.1 The recent Workshop on Marine ...
Meeting Document : CCAMLR-XXX/BG/20 : Autor(es): Submitted by ASOC
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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 : Autor(es): 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 : Autor(es): 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 : Autor(es): A. Kidawa, M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, S-R. Karlsen and A. Znój (Poland)
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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 : Autor(es): 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 : Autor(es): Delegations of France and Japan