Resultados de la búsqueda
-
Notification for scientific research in 2017/18: proposal to participate in research plan for Antarctic toothfish in Subarea 88.3
conduct research in this subarea. There is considerable uncertainty about the abundance of Antarctic ... to address that uncertainty. There is also considerable uncertainty about the stock structure of ... Antarctic toothfish in this subarea – and their relationship to the rest of the Pacific Sector. Korea have ... by focusing research on the abundance of toothfish on two of the northern features, as well as parts ...
Meeting Document : WG-SAM-17/38 : Autor(es): Delegation of New Zealand
-
To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?
. 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 ... toothfish with silverfish and other prey shows that toothfish represent a high-energy food resource of much ... higher quality than other potential prey in the Ross Sea region; (3) densities of other alternative ...
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)
-
Beach debris survey – Main Bay, Bird Island, South Georgia, 2005/06
Abstract: During the sixteenth year of standardised beach surveys of man-made debris at Bird ... Island, South Georgia, a total of 544 items were collected, the highest number of debris collected since ... 101% more during summer, a mass increase of 1.19kg overall (29%). For the third consecutive year ... , nylon line was absent from Bird Island, an encouraging result after the peak of 546 pieces in 1995/96 ...
Meeting Document : SC-CAMLR-XXVI/BG/16 : Autor(es): Delegation of the United Kingdom
-
Beach debris survey – Main Bay, Bird Island, South Georgia, 2003/04
Abstract: During the fourteenth year of standardised beach surveys of man-made debris at Bird ... Island, South Georgia, a total of 361 items were collected between April 2003 and March 2004. This ... represents an increase of 97% on the 183 items recorded in 2002/03 and the highest levels of summer beach ... debris (232 items) since the 1999/00 season. The total weight of debris collected has also increased by ...
Meeting Document : SC-CAMLR-XXIV/BG/15 : Autor(es): Delegation of the United Kingdom
-
Modelling availability bias using existing time series count data: Adélie penguins as a case study
Abstract: It is widely acknowledged that counts of Adélie and other penguin species at breeding ... . A count of some attribute of the population on any date may therefore need to be adjusted by some ... date-specific factor (termed the availability fraction) if the count is to form the basis of an ... estimate of the breeding population. Existing time series count data of adult Adelie penguins from a range ...
Meeting Document : WG-EMM-04/54 : Autor(es): L. Emmerson, B. Raymond and C. Southwell (Australia)
-
Modelling catch and effort data using generalised linear models with random cruise effects: trawl fishery for mackerel icefish (Champsocephalus gunnari) in CAMLR Area 58.5.2
Abstract: A set of procedures for modelling catch and effort data using generalized linear mixed ... models (GLMMs) including data analytic methods for examining the appropriateness of model structure and ... parameter values was presented in WG-FSA-SAM 03-12 using Dissostichus eleginoides in Subarea 48.3 of the ... CAMLR area as an example dataset. The application of these procedures to trawl catches of ...
Meeting Document : WG-FSA-03/35 : Autor(es): S.G. Candy (Australia)
-
CCAMLR Survey Database: development during 2002
had to be postponed because of a higher priority need for developing a web-based data system for the ... Catch Documentation Scheme. Work on the survey database in 2002 included: • revision of the database ... model; • documentation of the database specifications; • development of data uploading routines ... ; • revision of data extraction routine for CMIX and trawlCI; and • processing of historical data. The survey ...
Meeting Document : WG-FSA-02/10 : Autor(es): Secretariat
-
CCAMLR conservation measures: a review
Abstract: Conservation measures are an integral part of CCAMLR’s management of Antarctic marine ... living resources. The first measure was introduced in 1984, and the number of measures in force each year ... has grown rapidly since that time; 61 measures were in force in 2000/01. The majority of conservation ... measures focus on the management of fisheries and related activities, and most of these measures are in ...
Meeting Document : CCAMLR-XX/BG/04 : Autor(es): Secretariat
-
How precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery?
Abstract: This article reviews the adequacy of data and models currently being used to estimate ... the present and future population sizes of the Antarctic toothfish (Dissostichus mawsoni Norman) in ... accurate picture of total population size, and that estimates of both the pre-exploitation spawning stock ... biomass and the ratio of current to pre-exploitation biomass are unreliable. Many parameters necessary for ...
Meeting Document : WG-FSA-13/P02 : Autor(es): P.A. Abrams
-
Prohibición del corte de aletas de tiburón en el Área de la Convención de la CRVMA
Abstract: Conservation Measure 32-18 on the conservation of sharks prohibits “directed fishing on ... shark species in the Convention Area…” and calls for the live release of incidentally-caught sharks ... where possible. The measure is, however, silent on the practice of shark finning should incidental ... catches of sharks occur. The delegations of Argentina, Australia, Brazil, Chile, European Union, Namibia ...
Meeting Document : CCAMLR-XXXV/23 : Autor(es): Delegations of Argentina, Australia, Brazil, Chile, the European Union, Namibia, South Africa, Uruguay and the USA