Search results
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Preliminary report on SO-AntEco (South Orkneys – State of the Antarctic Ecosystem) benthic survey (JR15005) around the South Orkney Plateau (February–March 2016)
collaboration with the Scientific Committee for Antarctic Research (SCAR) State of the Antarctic Ecosystem ... (AntEco) research programme, including scientists from 8 CCAMLR members. The main purpose of the voyage ... was to understand the distribution and composition of the benthic communities associated with ... Protected Area. The expedition used a range of scientific sampling gear and video and photographic equipment ...
Meeting Document : WG-EMM-16/13 Rev. 1 : Author(s): H. Griffiths, S. Grant, K. Linse, P. Trathan and the SO-AntEco scientific team
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Preliminary results on the distribution of fin whales on the northern Antarctic Peninsula
Abstract: Results presented here contribute to the currently poor knowledge of fin whales ... (Balaenoptera physalus) in Southern Ocean, based on preliminary results regarding the distribution of the ... species around the northern Antarctic Peninsula. We show a broad view of the sightings based on data ... total of 630 fin whale individuals were sighted within 287 groups that varied in size form 1 to 31 ...
Meeting Document : WG-EMM-18/43 : Author(s): E. Seyboth, L. Dalla Rosa, G. Watters and E.R. Secchi
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Time series of Antarctic krill estimates around the South Shetland Islands from 2013 to 2019
Subarea 48.1 is submitted with accompanying description of the acoustic survey and data analysis ... . Distribution of Antarctic krill for the 2013/14 to 2015/16 and the 2017/18 to 2018/19 fishing seasons were ... mapped by the Chinese F/V Fu Rong Hai to understand the interannual variations of Antarctic krill around ... the South Shetland Islands, one of the major fishing ground for Antarctic krill in Area 48. Acoustic ...
Meeting Document : SG-ASAM-2019/04 Rev. 1 : Author(s): X. Yu, X. Wang, X. Zhao, J. Zhang, G. Fan, Y. Ying and J. Zhu
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Development of the acoustic survey database
submitted to CCAMLR. This database is ‘event-driven’ – i.e. each survey can be characterized by a series of ... events (eg trawl, CTD, acoustic etc) and each event has a set of measurements (eg amount caught ... , conductivity at depth, density estimate etc). The development of the trawl survey components has been reported ... developments to date, WG-FSA’s Subgroup on Fisheries Acoustics (WG-FSA-SFA) has discussed the possibility of ...
Meeting Document : WG-EMM-04/18 : Author(s): Secretariat
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An exploratory analysis of skate speciation using DNA identification techniques
Abstract: Two regions of the mitochondrial DNA, part of the cytochrome b gene and the control ... region, were sequenced in specimens of Antarctic skates from the Ross Sea (Pacific Ocean sector), the ... Islands (Atlantic Ocean sector). Based on the DNA results, the species of Bathyraja referred to as B ... common to the Atlantic and Pacific (Ross Sea) Ocean sectors. Two specimens of B. maccaini from the ...
Meeting Document : WG-FSA-04/27 : Author(s): P.J. Smith and S.M. McVeagh (New Zealand)
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IMPLEMENTATION OF CCAMLR OBSERVER PROGRAM ON KRILL FISHERIES
Abstract: The aim of this document is to serve as an objective guideline to decide on an ... appropriate observer coverage to understand overall behaviour and impact of the fishery. CCAMLR Observer data ... as baseline to evaluate the level of observer coverage needed to achieve the CCAMLR objectives. The ... urgent need for capacity building by all fishing nations is re-iterated so that a large number of ...
Meeting Document : TASO-09/07 : Author(s): Kawaguchi, S.
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ACOUSTIC IDENTIFICATION AND SIZE ESTIMATION OF EUPHAUSIIDS
Norwegian fishery inherently gives Norway a responsibility to contribute to the management of the marine ... the Antarctic Ocean to do investigations on euphausiids and other key components of the ecosystem ... behaviour, measure target strength in situ, and of course verify the acoustic measurements biologically ... . Krill were identified from the relative frequency response of a 6-frequency hull-mounted echo-sounder ...
Meeting Document : SG-ASAM-09/08 : Author(s): R. Korneliussen and G. Skaret (Norway)
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Introduction of the recent Korean research activity and future plan on penguin breeding and behavior
Abstract: This report is a summary of the past and current penguin research efforts by the Korean ... Antarctic Program in Barton Peninsula on King George Island. On top of the routine and traditional census ... behavior studies using different types of loggers and recorders. This will not only continue but a new ... ): Delegation of the Republic of Korea Title: Introduction of the recent Korean research activity and future ...
Meeting Document : WG-EMM-15/12 : Author(s): Delegation of the Republic of Korea
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Spawning periods and locations of Champsocephalus gunnari in Subarea 48.3 (South Georgia and Shag Rocks): a review
Abstract: Analysis of recent commercial catch, research survey and larval data for mackerel ... evidence that spawning is protracted and occurs from January through to July. The majority of commercial ... fishing activities for this species take place to the northwest of South Georgia over 12 nautical miles ... unlikely to protect spawning aggregations of C. gunnari but could, inadvertently, increase the risk of ...
Meeting Document : WG-FSA-07/55 : Author(s): S. Clarke, M. Belchier and M.A. Collins
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Assessment of toothfish in Subarea 48.3, 2006
requested by the Joint Assessment Group. 2. Also as requested by SAM-2006, we provide a review of CPUE ... trends and construct a model that uses age-based observations, specifically estimates of catches at age ... derived from otolith examination of a random sample of the catch. 3. All the assessments suggest that the ... SSB is now at or close to 50% of its unexploited level. Simple MPD projections suggest that catches in ...
Meeting Document : WG-FSA-06/53 : Author(s): D.J. Agnew, R. Hillary, M. Belchier, J. Clark and J. Pearce (United Kingdom)