Search results
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Committee for Environmental Protection: 2014 Annual Report to the Scientific Committee of CCAMLR
Abstract: Cooperation between the Scientific Committee of CCAMLR (SC-CAMLR) and the Committee for ... Environmental Protection (CEP) has been steadily increasing over the last few years to the mutual benefit of ... between the Chairs of the CEP and SC-CAMLR, the report of the CEP meeting is presented to SC-CAMLR by the ... CEP Observer to SC-CAMLR and the report of the meeting of SC-CAMLR is presented to the CEP by the SC ...
Meeting Document : SC-CAMLR-XXXIII/BG/13 : Author(s): CEP Observer to SC-CAMLR (Dr P. Penhale, USA)
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Quantifying the impacts of ice on demersal longlining; a case study in CCAMLR Subarea 88.1
Abstract: The effect of sea ice is acknowledged as a major influence on fishing operations in ... provide a method to quantify the effect of sea-ice on fishing. We discuss the ways in which ice effects ... fishing operations and the result of these impacts on fishing such as the time required to reach the catch ... limit and compression of fishing effort due to a reduction in fishing ground extent in years when sea ...
Meeting Document : WG-FSA-14/55 Rev. 1 : Author(s): J.M. Fenaughty and S.J. Parker (New Zealand)
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Proposal to modify Conservation Measure CM 24-02 regarding the use of a streamer line
Abstract: The activities of the CCAMLR to minimize incidental mortality of seabirds in the course ... of longline fishing or longline fishing research in the Convention Area are carried out by means of ... : a) use a streamer line and b) control of the longline weighting rate. Currently, according to CM 24 ... paragraphs 2, 3 and 4). Thus, the use of a streamer line becomes meaningless for any vessels using longline ...
Meeting Document : WG-FSA-17/24 : Author(s): Y. Korzun and S. Kasatkina
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Meta-analysis of catch reporting in CCAMLR exploratory fisheries
Abstract: The Secretariat has prepared a meta-analysis of the target and by-catch reported in ... CCAMLR exploratory fisheries (as an update to WG-FSA-15/04 Rev. 1). The number of fish belonging to ... target species divided by the total number of fish caught (the target catch ratio) is used as simple ... metric of the relative level of target and by-catch reported for each haul. This index showed little ...
Meeting Document : WG-FSA-18/14 : Author(s): CCAMLR Secretariat
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The factors causing impact on the toothfish catch estimation on board of fishing vessels
Abstract: The toothfish catch estimation on board of fishing vessels at the CCAMLR area is being ... measurement equipment. Besides, until today the “green weight” of the toothfish catch on fishing vessels was ... not estimated directly, but by calculation, based on the weight of the production using appropriate ... the informational communication on board of fishing vessels, can lead to a significant distortion of ...
Meeting Document : WG-SAM-2019/14 : Author(s): K. Demianenko, P. Zabroda, I. Slypko, L. Pshenichnov, A. Bazhan, O. Diripasko and D. Marichev
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Detection of predator dive patterns from stationary echosounder data
Abstract: Standard protocols for processing of echosounder data are geared towards the estimation ... of biomass indices of pelagic organisms. More transient visitors to the watercolumn however also give ... echoes, and the data provided by the echosounders may be used to assess the behaviour of these organisms ... clear patterns in the dive data with regards to time of year as well as time of day. At the temporal ...
Meeting Document : WG-EMM-2019/34 : Author(s): T. Klevjer and G. Skaret
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A small unmanned aerial system for estimating abundance and size of Antarctic predators
Abstract: Quantifying the distribution and abundance of predators is integral to many ecological ... studies, but can be difficult in remote settings such as Antarctica. Recent advances in the development of ... new tool for studying the distribution and abundance of predator populations. We detail our experience ... from the first use of VTOLs for estimating abundance, colony area, and density of krilldependent ...
Meeting Document : WG-EMM-15/P06 : Author(s): M.E. Goebel, W.L. Perryman, J.T. Hinke, D.J. Krause, N.A. Hann, S. Gardner and D.J. LeRoi
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DISTRIBUTION AND ABUNDANCE OF SKATES ON THE KERGUELEN PLATEAU (CCAMLR DIVISIONS 58.5.1 AND 58.5.2)
Abstract: Three species of skates are commonly taken as incidental by-catch in the Patagonian ... . eatonii and B. irrasa are most abundant to the north and northwest of Heard Island out to the edge of the ... EEZ, and down to depths of 1100m and 1500m respectively. B. irrasa occurs much deeper, down to 2300m ... 700m, and are most abundant close to Heard Island to the north and northeast. The catch rates of skates ...
Meeting Document : WG-FSA-09/43 : Author(s): G.B. Nowara, D.C. Welsford, T. Lamb (Australia), N. Gasco, P. Pruvost and G. Duhamel (France)
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ECOLOGICAL REPERCUSSIONS OF HISTORICAL FISH EXTRACTION FROM THE SOUTHERN OCEAN
Abstract: A major mid-1980s shift in ecological structure of significant portions of the Southern ... Ocean was partially due to the serial depletion of fish by intensive industrial fishing, rather than ... stocks were on average reduced to <50%, and finally (mid-1980s) to <20%, of original size. Despite ... strong year classes, as is true of such fish elsewhere. A climate regime, the Southern Annular Mode, once ...
Meeting Document : WG-EMM-08/P07 : Author(s): D. Ainley and L. Blight
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A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES
Abstract: While the joint CCAMLR-IWC workshop will consider a number of parameters for species ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ... review addresses population surveys and abundance estimates for the four species of phocid seal commonly ... spatial scope covers the circumpolar extent of pack-ice, and the temporal scope spans a period of more ...
Meeting Document : CCAMLR-IWC-WS-08/06 : Author(s): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.