Search results
-
Review of CCAMLR activities on monitoring marine debris in the Convention Area
Abstract: The current status of national surveys on monitoring of marine debris and their impact ... Database contains data from 11 sites, all within the Area 48 of which there are 3 sites that have data form ... of marine debris found in seabird colonies at Bird Island has continually increased, with fishing ... gear such as lines and hooks forming the major part of the debris. Marine mammal (Antarctic fur seal ...
Meeting Document : SC-CAMLR-XXII/BG/25 : Author(s): Secretariat
-
An acoustic survey of Antarctic krill on the South Georgia shelf, CCAMLR Subarea 48.3, in January 1992
the opportunity was taken in 1992 to produce a krill biomass estimate as a by-product of a fish stock ... operating at 38 kHz and 120 kHz. The results have been analysed for all straight sections of track when the ... ship's speed exceeded 7 knots and when the ship was over the shelf around the main island of South ... Georgia. The appearances of echoes on echo charts were used to decide which echoes to include in krill ...
Meeting Document : WG-EMM-96/42 : Author(s): Everson, I., Goss, C.
-
A critical issue for feedback management – how do we determine the level of functional overlap between krill fishing operations and penguin foraging activity?
Abstract: The spatial distribution of the Antarctic krill fishery in Subareas 48.1 to 48.3 has ... changed over time. The majority of catches in Subarea 48.1 are now taken south of the South Shetland ... Islands, following regional decreases in seasonal sea-ice cover. As the cumulative spatial footprint of ... the fishery has expanded along the West Antarctic Peninsula, the cumulative numbers of krill-eating ...
Meeting Document : WG-EMM-15/11 : Author(s): P.N. Trathan, J.R.D. Silk, S.L. Hill (United Kingdom) and H.J. Lynch (USA)
-
Revision of the CCAMLR Scientific Observers Manual
replacement of protocol for fish-larvae by-catch observation, review of priorities for scientific observation ... of krill fishery, and other minor revisions on the e-forms. This document also contains examples of ... comment. Author(s): S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat) Title: Revision of ...
Meeting Document : WG-FSA-07/54 : Author(s): S. Kawaguchi (Australia) and E. Appleyard (CCAMLR Secretariat)
-
DEVELOPMENT OF A NEW HIGHER PREDATOR MONITORING PROGRAMME AT CUMBERLAND BAY, SOUTH GEORGIA
Abstract: The establishment of a new higher predator monitoring location on the north coast of ... this is the first year of monitoring, breeding success of predators monitored in the Cumberland Bay ... ) Title: DEVELOPMENT OF A NEW HIGHER PREDATOR MONITORING PROGRAMME AT CUMBERLAND BAY, SOUTH GEORGIA ...
Meeting Document : WG-EMM-09/28 : Author(s): J. Ashburner and M. Belchier (United Kingdom)
-
Identification of squid echoes in the south Atlantic
Abstract: During a research cruise of the British Antarctic Survey ship RRS James Clark Ross in ... February 1996, a substantial number of the ommastrephid squid, Martialia hyadesi, were caught in a pelagic ... gathered during this haul and a survey of the immediate vicinity, in order to characterise an acoustic ... signature that may be used to identify this species of squid. Author(s): Rodhouse, P., Goss, C., Brierley ...
Meeting Document : WG-EMM-97/26 : Author(s): Rodhouse, P., Goss, C., Brierley, A., Watkins, J.
-
A new method for the measurement of Antarctic krill Euphausia superba Dana from predator food samples
Abstract: Regression functions of total length on carapace length and total length on removed ... carapace length were calculated for Antarctic krill Euphausia superba Dana for those classes of sex and ... maturity stage which can be discriminated in predator food samples. The use of removed carapace length as a ... predictor of total length is highly recommended for animals where total length measurement would be ...
Meeting Document : WG-CEMP-90/40 : Author(s): H.J. Hill (United Kingdom)
-
Brief analysis of tag-recapture data in Statistical Subarea 48.4
Abstract: This paper presents an analysis of data gained from an eight-year tagging programme of ... information gained about biology, growth and movement of Patagonian toothfish, and looks at the potential link ... between statistical subareas 48.3 and 48.4. The characterisation of tag recapture data from Subarea 48.4 ... analysis of tag-recapture data in Statistical Subarea 48.4 Approval: Approved ...
Meeting Document : WG-FSA-14/50 : Author(s): M. Soeffker, C. Darby, M. Belchier and R. Scott (United Kingdom)
-
Population status of Ross Sea killer whales (Orcinus orca, Type C) in McMurdo Sound, Antarctica, based on photo-identification studies
175 there annually. Despite high turnover of different whales between years, we used a Bayesian mark ... -recapture approach to identify a seasonal ‘resident’ population with an average annual abundance of 55 ... individuals resighted over 2-14 years. Contrary to recent reports that commercial overfishing of Antarctic ... with the average annual estimated number of deaths (= 2.4, 95% probability = 1.2-4) being balanced by ...
Meeting Document : WG-EMM-16/50 : Author(s): R. Pitman, H. Fearnbach and J.W. Durban
-
Comments on the development of a Dissostichus mawsoni Population Hypothesis for Area 48. Proposals on the WS-SM-18 advice to the to the Scientific Committee and its Working Group
Abstract: Taking into account the results of the WS-DmPH workshop (Berlin, 2018), proposals are ... being considered to obtain actual adequate data for the development of a hypothesis on the Dissostichus ... mawsoni life history and to facilitate the assessment of its stock in Area 48. Author(s): Delegation of ... the Russian Federation Title: Comments on the development of a Dissostichus mawsoni Population ...
Meeting Document : WS-SM-18/09 : Author(s): Delegation of the Russian Federation