Search results
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OCEANIC CIRCUMPOLAR HABITATS OF ANTARCTIC KRILL
view that krill require high food concentrations, with a distribution often linked to shelves. For a ... regions of moderate food (0.5-1.0 mg chl a m-3). Advection models suggest some loss northwards from these ... evidence for a compensating southwards migration, with an increasing proportion of krill found south of the ... ACC as the season progressed. The retention of krill in moderately productive oceanic habitats is a ...
Meeting Document : WG-EMM-08/P04 - Abstract : Author(s): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming
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Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals
). A single species yield model is currently being used by the CCAMLR Scientific Committee to recommend ... an annual krill catch limit, which is expressed as a proportion (??= 0.116) of a survey biomass ... estimate. This approach takes the needs of predators into account in only a crude way by assuming that a ... predators. A krill-predator modeling procedure is presented that could be used to directly assess the impact ...
Meeting Document : WG-EMM-01/66 : Author(s): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)
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Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3
requires a basis for the assessment of resource status, and an algorithm for specifying the levels of ... regulatory mechanisms (e.g. a catch control law) that depends on the results of the assessment. Developing ... and selecting a procedure requires a basis for the simulation testing of procedures, and an ... restricted to an initial ceiling (Cc) for a 5 year period, with a reference CPUE level (CPUEref) calculated ...
Meeting Document : SC-CAMLR-VIII/BG/17 : Author(s): Delegation of South Africa
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Abundance and trends of Type B killer whales (Orcinus orca) around the western Antarctic Peninsula
impact of these physical changes on the marine ecosystem. The WAP is surrounded by a complex marine food ... web involving a number of predator and prey populations, and empirical data on abundance and trends is ... ecotypes (Types B1, B2 and A). Here we report on the movement patterns and abundance of both forms of Type ... B killer whales: a larger mammal-eating form (B1) that apparently specializes on hunting ice seals ...
Meeting Document : WG-EMM-18/16 : Author(s): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman
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Compliance Evaluation Procedure
CCAMLR implements a CCAMLR Compliance Evaluation Procedure (CCEP) that evaluates Contracting Party ... implementation of, and compliance with, conservation measures in a responsible, open, transparent and non ... CCAMLR and has a number of key steps as outlined below. Contracting Parties required to provide a ... guidelines for submitting a Contracting Party response to a Draft CCAMLR Compliance Report. ...
Page : Site Section: Compliance
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Fishery Report 2015: Exploratory fishery for Dissostichus spp. in Subarea 88.2
was reported by Mugue et al. (2014). Parameter estimates Standardised CPUE 21. Standardised catch-per ...
Document : Site Section: Publications
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Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic expedition (January–February 2000)
) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... , in the area north of Continental Shelf, was 9.3 g/1000m3 of filtered water with a mean density of ... dominance in the High Antarctic Zone (south of 74°), with a mean relative biomass of 3.0 g/1000m3 and mean ...
Meeting Document : WG-EMM-02/32 Text : Author(s): A. Sala, M. Azzali and A. Russo (Italy)
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Has climate change promoted genetic fragmentation in the ice-dependent fish Pleuragramma antarcticum?
Abstract: Pleuragramma antarcticum is the only Antarctic notothenioid characterized by a complete ... pelagic life cycle and plays a major trophic role in the coastal Antarctic marine ecosystem. A previous ... investigate the population structure of P. antarcticum along the Antarctic Peninsula (AP) shelf, a region of ... Antarctica highly impacted by regional warming. We found a single gene pool and an absence of inter-annual ...
Meeting Document : WG-FSA-13/67 : Author(s): C. Agostini, T. Patarnello (Italy), J. Ashford, J. Torres (USA) and L. Zane (Italy)
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Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001
Abstract: A net sampling survey was carried out for krill in an established standard station grid ... around Elephant Island during 27 January to 4 February 2001. Results show a spatial separation of the ... juvenile and the spawning stock. The station grid was extended to the south, where a large proportion of ... high krill abundance and the high recruitment index reflect the end of a succession of years with poor ...
Meeting Document : WG-EMM-01/10 : Author(s): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)
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Transparency
6.1.1 Extent to which CCAMLR is operating in a transparent manner, taking into account the Code of ... 6.1.1.1 The RP acknowledged CCAMLR’s efforts to engage with a wide range of Observers and encouraged ... respect to the engagement of Observers might include: (a) reviewing and, as appropriate, amending the ... held under Rule 30(a)). Such a review might also re-examine the issue of restricting attendance of ...
Page : Site Section: The Organisation