Resultados de la búsqueda
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
Abstract: In anticipation of the development of a new fishery for the oceanic squid Martialia ... hyadesi in the Scotia Sea a revision is presented of annual consumption of the species by higher predators ... and a brief review is provided of information about the life cycle and distribution obtained from ... 245,000 tonnes compared with an upper estimate of 550,000 tonnes if less reliable data are included. M ...
Meeting Document : WG-FSA-96/20 : Autor(es): Rodhouse, P.G.
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An integrated assessment model for Antarctic krill: progress update
Abstract: Estimates of population parameters from different configurations of an integrated model ... trawl data. The different configurations of the integrated model were varied based on whether acoustic ... weighted, by whether natural mortality was estimated by the model or pre-assigned a value of 0.8, and by ... whether a narrow or wide version of the age-length transition matrix was used. The biomass data calculated ...
Meeting Document : WG-EMM-12/27 : Autor(es): D. Kinzey, G. Watters and C. Reiss (USA)
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Fundamentos científicos de la propuesta conjunta de Nueva Zelandia y Estados Unidos para establecer un área marina protegida en la región del Mar de Ross
Region (RSR). A substantial amount of material has already been presented to the Scientific Committee ... and its working groups, and here we provide an abridged and annotated summary of that material. We ... organize our summary by linking spatial data to the specific protection and scientific objectives of the ... continental slope, the Balleny Islands and vicinity, and the northern RSR. A set of maps (provided in an ...
Meeting Document : SC-CAMLR-IM-I/08 : Autor(es): Delegations of the USA and New Zealand
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KRILL FISHERY REPORT: 2011 UPDATE
of which has been taken from Subarea 48.2 between February and May. Approximately 55% of the catch ... has been taken by two vessels using the continuous fishing system. The forecast total catch of krill ... and reported a total catch of 211974 t; three vessels used the continuous fishing system. For the ... first time, the catches of krill approached the apportioned limit for Subarea 48.1 (25% of the trigger ...
Meeting Document : WG-EMM-11/05 : Autor(es): Secretariat
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Developing the Secretariat’s data management systems
administrative work of the Commission and Scientific Committee. These systems are being redeveloped as part of a ... long-term program of work which started in 2013. The work has focused on the development of structural ... and data elements of the enterprise data model, data warehouse, quality assurance, reference data ... , data extracts and metadata, and the appraisal of candidate systems for automated loading of, and ...
Meeting Document : SC-CAMLR-XXXV/BG/25 Rev. 1 : Autor(es): CCAMLR Secretariat
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Marine debris: a persistent and emerging threat to antarctic ecosystems
Ocean; however it remains a persistent threat. Current understanding of the distribution and impacts of ... , and that they are from local and international sources. Knowledge of the impacts of debris ... , particularly microplastics, in Antarctic ecosystems is understudied. Combatting the problem of microplastics in ... System bodies, notably the CEP, introducing new mechanisms instruments to mitigate local sources of ...
Meeting Document : SC-CAMLR-XXXVI/BG/29 : Autor(es): Submitted by ASOC
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Human activity and disturbance: building an Antarctic site inventory
Abstract: There have been numerous human intrusions in the Antarctic Peninsula and west of the ... Peninsula. The region is where many Antarctic research stations are situated, and also where the bulk of ... Antarctic shipboard tourism takes place. A brief summary of this human history in Antarctica reveals a wide ... range of real and possible disturbances. Potential impacts from human activities continue to exist–and ...
Meeting Document : WG-EMM-98/09 : Autor(es): R. Naveen, Oceanites (USA)
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KRILL FISHERY REPORT: 2008 UPDATE
for krill in Area 48 in the 2007/08 season, and these vessels have taken 84110 t of krill to date. The ... preliminary estimate of the total catch of krill for the season is approximately 108343 t. This compares with ... 104586 t of krill reported in the STATLANT data for 2006/07. With the exception of Poland, all ... Contracting Parties have submitted complete sets of haul-by-haul data for 2006/07. The report includes ...
Meeting Document : WG-EMM-08/05 : Autor(es): Secretariat
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Actualización propuesta de los términos de referencia y las directrices para el Fondo Especial de AMP de la CCRVMA
respect of MPAs. Given recent progress by CCAMLR towards the development of MPAs, it is now timely to ... review the purpose of the Fund, and to update the terms of reference and practical guidance for how it is ... Scientific Committee: i) Terms of Reference for use of the MPA Special Fund ii) Guidelines on ... submission and review of proposals for use of the MPA Special Fund iii) Terms of Reference for the MPA ...
Meeting Document : SC-CAMLR-XXXVI/12 : Autor(es): Delegations of the United Kingdom and the United States, on behalf of the MPA Special Fund Correspondence Group
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Uncertainty in standard sphere calibrations
Abstract: In fisheries acoustics, the standard sphere method of echosounder calibration is most ... method, a series of experiments were conducted in a deep tank (Demer and Hewitt, 1993). Results indicated ... that variations in pulse length (0.1 and 0.3 ms), water temperature (0.5 to 5.5 C), and choice of ... variations in the system gains of 0.3, 0.2 and 1.5 dB, respectively. Additionally, system gain values ...
Meeting Document : WG-EMM-95/70 : Autor(es): Demer, D.A., Hewitt, R.P.