Search results
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Joint Polish/American hydroacoustic survey of Elephant Island in the vicinity of King George Island, 1988
Abstract: The hydroacoustic survey found a low krill abundance in most areas covered by last ... years survey. The total biomass in the vicinity of Elephant Island was estimated from 120 kHz data to be ... 260 k tons and that in the Bransfield Strait South of King George Island was 39 k tons for a total of ... 299 k tons in the combined areas. The estimated 200 kHz survey data were higher, giving 715 k tons ...
Meeting Document : SC-CAMLR-VII/BG/21 : Author(s): United States of America
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Conditions for the precise measurement of fish target strength in situ
studied and two indexes are introduced for this purpose. One is the number of fish in the effective ... reverberation volume which contributes echo formation at a certain instant and the other is the percentage of ... the multiple echoes which is derived from a residual of the single echo extraction. With the decrease ... reliable from the past study. This shows the existence of some threshold values and below these threshold ...
Meeting Document : WG-Krill-94/35 : Author(s): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA)
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The SCAR Antarctic digital topographic database
Abstract: The Antarctic digital topographic database is the outcome of a truly international ... collaborative project between 11 nations. Data capture was co-ordinated in the UK, under the auspices of the ... from 1:200 000 to 1:5 000 000, were digitized for the project and reference was made to a similar ... number of satellite images (mostly Landsat photographic products). Editing and harmonization of the data ...
Meeting Document : SC-CAMLR-XII/BG/16 : Author(s): Delegation of United Kingdom
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Rockhopper penguins and other marine life threatened by driftnet fisheries in the south Atlantic ocean
Abstract: The oriental driftnet fleet, which is responsible for the large scale mortality of non ... -target species in the Pacific Ocean, has extended its range to include the South Atlantic Ocean ... . Relatively little is known about the areas of operation and impacts of driftnetting in the South Atlantic as ... yet, but it is emerging that driftnetting is equally devastating to the fauna of the South Atlantic ...
Meeting Document : CCAMLR-IX/BG/05 : Author(s): Delegation of South Africa
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Recommendations from a cross-sector workshop on krill fishing and conservation in the Scotia Sea and Antarctic Peninsula region
Abstract: In June 2014, the ICED programme, the British Antarctic Survey and WWF co-hosted a two ... day workshop entitled “Understanding the objectives for krill fishing and conservation in the Scotia ... Sea and Antarctic Peninsula region” which involved participants from the science, conservation and ... fishing industry sectors. This report summarises the key initial conclusions and recommendations from the ...
Meeting Document : WG-EMM-14/12 : Author(s): S. Hill, R. Cavanagh, R. Downie, C. Knowland and S. Grant (United Kingdom)
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A preliminary assessment of mackerel icefish (Champsocephalus gunnari) in Division 58.5.2, based on results from the 2014 random stratified trawl survey
Abstract: The annual Random Stratified Trawl Survey was undertaken in Division 58.5.2 in the ... population structure, abundance and yield for the area of Division 58.5.2 to the west of 79° 20’ E using ... standard CCAMLR methods. A pattern of multiple year classes being present simultaneously in the population ... , which was first detected in 2011, has persisted. The large cohort observed in recent surveys was still ...
Meeting Document : WG-FSA-14/44 : Author(s): D.C. Welsford (Australia)
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Proposal to modify Conservation Measure 10-05 to establish transparency related to the total catch, transhipment and landing of toothfish
Abstract: The United States proposes to amend the CCAMLR electronic catch documentation system (e ... -CDS) and Conservation Measure 10-05 to better document the harvest and subsequent movements of ... Dissostichus spp. Under the current system, Dissostichus spp. are documented when they are landed by the ... harvesting vessel or by the transshipment vessel at landing. This proposal seeks to document the harvesting ...
Meeting Document : CCAMLR-XXXVI/24 : Author(s): Delegation of the USA
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Updated background paper (2018) on the Domain 1 MPA. Part A: Domain 1 MPA Model
Abstract: The present paper reflects on a series of documents, comments and suggestions made ... during the intersessional discussions since the D1MPA preliminary proposal was introduced by Argentina ... and Chile in 2017 at CCAMLR XXXVI. It also includes the suggestions and reviews (WG-EMM, Buenos Aires ... , 2017; Scientific Committee, Hobart, 2017) proposed by the Expert Group and the information provided for ...
Meeting Document : SC-CAMLR-XXXVII/BG/07 : Author(s): Delegations of Argentina and Chile
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Updated background paper (2018) on the Domain 1 MPA. Part B: rationale of changes
Abstract: The present document reflects on a series of documents, comments and suggestions made ... during the intersessional discussions since the D1MPA preliminary proposal was introduced by Argentina ... and Chile in 2017 at CCAMLR XXXVI. It also includes the suggestions and reviews (WG-EMM, Buenos Aires ... , 2017; Scientific Committee, Hobart, 2017) proposed by the Expert Group and the information provided for ...
Meeting Document : SC-CAMLR-XXXVII/BG/08 : Author(s): Delegations of Argentina and Chile
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Commercial fishing vessel as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Abstract: The climate-induced changes presently seen in the ecosystems of Antarctic region ... require a precautionary approach with respect to the human use of these ecosystems. In particular ... impacts on the harvested stocks as well as the associated ecosystem. Due to the vastness and remoteness of ... the Antarctic region research vessel capacity is not readily available for conventional coverage of ...
Meeting Document : WG-EMM-13/15 : Author(s): O.R. Godø (Norway), C. Reiss (USA), V. Siegel (Germany) and J.L. Watkins (United Kingdom)