Résultats de la recherche
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Report on bottom fisheries and vulnerable marine ecosystems: draft template and workplan
Vulnerable Marine Ecosystems to WG-EMM and WG-FSA in 2010. This paper provides a draft template, including ... the workplan and discussion. It has been compiled by the Subgroup for consideration at WG-EMM in 2010 ... of VMEs, resulting in the following structure to replicate that approach: (i) Details of Bottom ... Scientific Committee and its working groups have been embedded within this structure in order to give them a ...
Meeting Document : WG-EMM-10/15 : Auteur(s): WG-FSA Subgroup on VMEs
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G – a discussion paper
and length frequency data. Although more than 700 tagged fish have been released in this region, only ... 2 fish have been recaptured. It is likely that the lack of tag recaptures in this region has been ... drawing on the success of tagging programmes in other CCAMLR fisheries, we develop an approach for ... main grounds previously fished in SSRUs 88.2C–G. An upper catch limit could be set for each of these ...
Meeting Document : WG-SAM-14/28 : Auteur(s): S.M. Hanchet and S.J. Parker (New Zealand)
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Spatio–temporal dynamics of Antarctic krill fishery: identification of fishing hotspots
Abstract: Antarctic krill is a key species in the Southern Ocean food web and is also the target ... of the greatest fishery in Antarctic waters. Management of the fishery is based on a precautionary ... subarea. Despite that the fishery is operating in the Antarctic Peninsula area since 1980s, the spatial ... and temporal pattern of the fishery is only described in meso to macro scales (>>10 4 km 2 ...
Meeting Document : WG-EMM-16/52 : Auteur(s): F. Santa Cruz, B. Ernst and J.A. Arata
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Feedback management through effort regulation
Abstract: The interim distribution of the trigger level in the fishery for Antarctic krill (CM 51 ... -01) will be revised in 2016. The trigger level is not related to the status of the krill stock and ... the predators that depend on it. Progressing the development of an operational FBM system in ... proposals tabled to CCAMLR, all of which require refinements. In particular, clarity about the data required ...
Meeting Document : SC-CAMLR-XXXV/BG/29 Rev. 1 : Auteur(s): Delegation of Norway
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Adélie penguin diet: a pilot study directly comparing data from stomach flushing with faecal DNA analysis
CCAMLR Ecosystem Monitoring Program (CEMP). Stomach lavage techniques are used in order to identify prey ... composition and mass. Analysing prey DNA in faeces may be a useful, less invasive, approach to complement ... /January) in 2014/15 and 2015/16. Each method produced a similar pattern of penguin diet, with a shift from ... almost exclusively krill in 2014/15 to a mixture of fish and krill in 2015/16. Stomach flushing allows ...
Meeting Document : WG-EMM-18/29 : Auteur(s): B. Deagle, J. McInnes, L. Emmerson, M. Dunn, S. Adlard and C. Waluda
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Power analyses of CEMP indices for penguins at Admiralty Bay and fur seals at Cape Shirreff and Seal Island
values of transformed CEMP indices to breeding year are equal to zero when, in fact, these trends ... probability of rejecting the null hypotheses when they were, in fact, true), three periods of monitoring, and ... 21 levels of annual percent change in the CEMP indices. We conducted a number of “combined analyses ... ” in which observations for different species, sexes, colonies/rookeries, and periods during the ...
Meeting Document : WG-EMM-03/52 : Auteur(s): G.M. Watters, R.P. Hewitt, W.Z. Trivelpiece and M.E. Goebel (USA)
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Estimating the biodiversity of the sub-Antarctic Indian part for ecoregionalisation: Part I. Pelagic realm of CCAMLR areas 58.5.1 and 58.6
species (plankton and fish), and the second on top predators. In this report, we followed three types of ... the TFZ in the Kerguelen shelf area than it is in the Crozet area. The Agulhas Return Current zone ... in communities and regions is very sharp at the PFZ and the TFZ. The main biogeographical barriers in ... for fish larvae were related to currents and retention zones. In this report, we showed the existing ...
Meeting Document : WS-MPA-11/10 : Auteur(s): P. Koubbi (France), P.A. Hulley (South Africa), B. Raymond (Australia), F. Penot, S. Gasparini, J.P. Labat, P. Pruvost (France), S. Mormède (New Zealand), J.O. Irisson, G. Duhamel and P. Mayzaud (France)
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Tagging larger toothfish, methods and equipment
Abstract: The current stock assessment in the Ross Sea (statistical Subareas 88.1 and 88.2) is ... of toothfish in this area is a mandatory requirement (Conservation Measure 41-01 Annex C). The Annex ... requires vessel to “target toothfish of all sizes in order to meet the tagging requirement”. This document ... Sanford Limited a major New Zealand fishing company in order to satisfy this requirement. These techniques ...
Meeting Document : WG-FSA-07/36 : Auteur(s): J.M. Fenaughty (New Zealand)
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Fecundity and egg size of Lithodid crabs from CCAMLR Subarea 48.3
Abstract: The fecundity and egg size of three species of lithodid crab caught in CCAMLR Subarea ... significantly between species. The highest relative fecundity and smallest egg size was found in Paralomis ... spinosissima which is found in shallower waters, whereas the lowest relative fecundity values and largest eggs ... were recorded in the deeper living species, Neolithodes diomedeae. In all species fecundity was ...
Meeting Document : WG-FSA-02/27 : Auteur(s): S.A. Morley, M. Belchier, J.D. Dickson and T.M. Mulvey (United Kingdom)
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Experimental acoustic estimation of bathypelagic fishes biomasses from the South Georgia and Shag Rock shelf areas with trawl sampling (RV Atlantida, February 1996)
Abstract: Experimental acoustic survey in shelf areas off South Georgia and Shag Rocks in CCAMLR ... stations location, catch length compostion, per cent proportion of various fish species in trawls samples ... , data of biological and oceanologica3 researches are presented. The data on target strengths obtained in ... - situ for icefish (Champsocephalus gunnari), the latter per cent proportion in trawl catches, velocity ...
Meeting Document : WG-FSA-96/59 : Auteur(s): Sunkovich, V. Yu., Frolkina, G.A., Severin, V.A., Abramov, A.M., Yorobyov, V.M., Polischuk, M.I., Bukatin, P.A., Shnar, V.N.