Resultados de la búsqueda
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Climate variability in the western Antarctic peninsula region
ice extent, even after accounting for serial correlation in the two time series. There are distinct ... records for several peninsula stations have been examined, and the annual progression of surface air ... temperatures show an along-peninsula gradient indicative of a contrasting influence of maritime versus ... continental climatic regimes. WAP temperature records show the largest and most significant warming trends for ...
Meeting Document : WG-EMM-95/61 : Autor(es): Stammerjohn, S.E., Baker, K.S., Smith, R.C.
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Implementation of the Catch Documentation Scheme (CDS)
Abstract: The CDS was effectively implemented in 2018 by 21 Member States, 3 Acceding States and ... 1 NCP. CDS reports of catches outside the Convention Area have increased in 2018. The Secretariat ... contacted 9 NCPs to seek their engagement in the CDS in 2018. Author(s): CCAMLR Secretariat Title ... responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : CCAMLR-XXXVII/BG/09 : Autor(es): CCAMLR Secretariat
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Krill biomass and density distribution in February–March 2002 in Subarea 48.3
on the South Georgia shelf within the 500-m isobath. The survey was made during the period from ... total biomass at 1,898,492 ton. The analysis of krill aggregation distribution was made for ... identification of potential fishing grounds. Also presented are the results of density assessment on potential ... of the fact that no sustainable commercial aggregations are formed during critical period for animals ...
Meeting Document : WG-EMM-03/30 : Autor(es): S.M. Kasatkina and A.P. Malyshko (Russia)
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Size variations associated with abundance changes in juvenile Notothenia rossii observed at Potter Cove, South Shetland Islands, since the end of the fishery in the area
design to obtain variance components and expected values. An increase and then a decrease in the expected ... . gibberifrons relative to N. neglecta indicate low levels, similar to those already reported for the last three ... years in the same area. Author(s): E. Marschoff and E. Barrera-Oro (Argentina) Title: Size variations ...
Meeting Document : WG-FSA-91/13 : Autor(es): E. Marschoff and E. Barrera-Oro (Argentina)
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Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season
Abstract: The principal results of the monitoring survey on marine debris carried out at Cape ... buildt their nests. On the other hand, four specimens of Arctocephalus gazella were observed with neck ... collars: two juveniles, and two pups three months old. All these animals were immovilized in order to take ... guidelines about basical and fundamental actions to be taken especially on board of fishing ships in order to ...
Meeting Document : CCAMLR-XV/BG/27 : Autor(es): Delegation of Chile
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Krill fishery information
season for krill began on 1 December 2000 and ends on 30 November 2001. The total krill catch reported to ... date (17 June 2001) for the 2000/01 season is 45223 t; 9 vessels are believed to be fishing. No fishing ... was reported in Areas 58 and 88. At the request of SC-CAMLR-XIX, a draft Fishery Plan for the krill ...
Meeting Document : WG-EMM-01/7 : Autor(es): Secretariat
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Integration of CPUE data into assessments using the generalised yield model
Abstract: For the last 3 years, WG-FSA has accorded high priority to development of a method to ... this paper, we propose a method, based on use of the sampling/importance-resampling algorithm, for ... incorporating information on trends in standardised CPUEs into GYM assessments. The use of the method is ... illustrated using data for D. eleginoides in Subarea 48.3. As the method requires only very small adjustments ...
Meeting Document : WG-FSA-00/39 : Autor(es): G. Kirkwood (United Kingdom) and A. Constable (Australia)
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PREDICTING SPECIES DISTRIBUTIONS FROM MUSEUM AND HERBARIUM RECORDS USING MULTI-RESPONSE MODELS FITTED WITH MULTIVARIATE ADAPTIVE REGRESSION SPLINES
presence-only data (e.g. from museums and herbaria), and that there is an established need for predictions ... lack of reliable information about sites where species are absent. Here we test two approaches for ... methods for using these data. Such methods must, in particular, accommodate the difficulties caused by ... regions of the world, and demonstrate the use of MARS for distribution modelling using presence-only data ...
Meeting Document : WS-VME-09/P02 : Autor(es): Elith, J., Leathwick, J.
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2002/03
Signy Island, South Orkney Islands are reported for the 2002/2003 summer season. There was a single ... presence of the entangled seal at Signy, together with the considerable number of seals with neck collars ... at Bird Island, highlights the need for CCAMLR members to continue their campaign to ensure that ... that the number of entangled fur seals had decreased by 67% compared to the previous year, this being ...
Meeting Document : SC-CAMLR-XXII/BG/13 : Autor(es): Delegation of the United Kingdom
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Entanglement of Antarctic fur seal Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands 2001/02
Island, South Orkney Islands are reported for the 2001/2002 summer season. There was a single sighting of ... Signy, together with the considerable number of seals with neck collars at Bird Island, this highlights ... the need for CCAMLR members to continue their campaign to ensure that vessels are aware of and comply ... that the number of entangled fur seals had increased by 118% compared to the previous year, this being ...
Meeting Document : SC-CAMLR-XXI/BG/06 : Autor(es): Delegation of the United Kingdom