Resultados de la búsqueda
-
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.
-
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)
-
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
-
Beach debris survey – Main Bay, Bird Island, South Georgia, 2004/05
Abstract: During the fifteenth year of standardised beach surveys of man-made debris at Bird ... Island, South Georgia, a total of 251 items were collected. This represents an encouraging reduction of ... 43% on the 361 items recorded in 2003/04 that corresponded to the highest levels of summer beach ... debris since the 1999/00 season. The distribution of debris between summer and winter was more biased ...
Meeting Document : SC-CAMLR-XXV/BG/12 : Autor(es): Delegation of the United Kingdom
-
Detecting trends in the krill fishery
Abstract: The development of the krill fishery can be monitored and predicted using a number of ... different sources of information. Information on current catches and scientific information on the krill ... stocks is of limited value in plotting trends in the fishery at its current level. Predictions by Members ... of their future plans are also of limited use because they ultimately depend on the underlying ...
Meeting Document : WG-EMM-02/25 : Autor(es): S. Nicol and J. Foster (Australia)
-
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
-
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
-
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)
-
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
-
Small scale krill surveys: simulations based on observed euphausiid distributions
Abstract: An observed distribution of Meganyctiphanes norvegica aggregations is used to examine ... the effects of krill swarm orientation and shape on the success of two proposed survey designs. The ... simulation involves a number of random paths of parallel or radially arranged transects passing through three ... distributions each of which is given 4 rotations. The results indicate that the coefficient of variation (c.v ...
Meeting Document : WG-KRILL-91/19 : Autor(es): D.J. Agnew (Secretariat) and S. Nicol (Australia)