Résultats de la recherche
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Benchmarking CCAMLR
Scientific Committee symposium will likely raise these issues again which presents an opportunity to revisit ... the opportunity to develop a CCAMLR stock assessment and advice benchmarking process. The need for ... this was first raised in Scientific Committee (SC-XXXII, paragraph 3.66), developed in Darby (WG-SAM-14 ... Secretariat Workflow Status: Content Approved Delegation responsibility for releasing documents: United ...
Meeting Document : SC-CAMLR-XXXV/BG/31 : Auteur(s): Delegation of the United Kingdom
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Krill Fishery Report
catch maps for the last complete seasons (2014) and the current incomplete season (2015), an inventory ... the same information provided in the previous report (i.e. an introduction on the background of the ... completed for finfish fisheries in WG-FSA (www.ccamlr.org/node/75667). The Secretariat agreed to coordinate ... the preparation of a draft krill fishery report for consideration at WG EMM-14 that would be similar ...
Meeting Document : WG-EMM-15/30 : Auteur(s): CCAMLR Secretariat
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Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
hierarchical model and 30+ years of monitoring data, we show that expected penguin performance was reduced when ... Abstract: Low catch limits for forage species are often considered to be precautionary measures ... Ocean and are key forage for numerous predators. Current krill removals are considered precautionary and ... limits that are considered precautionary for forage species simply because the limit is a small ...
Meeting Document : WG-EMM-2019/11 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Killer whale (Orcinus orca) and sperm whale (Physeter macrocephalus) interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic
the fishing effort on the different grounds, although some ‘hotspots’ for interactions were noted ... , were present during 5% of haul observations. A high inter-vessel variation was noted for interactions ... of unrecorded fish removals on stock assessment models, modifications in the behaviour of marine ... hauling site. Observers reported that when vessels steamed away for between 20 and 30 n miles, killer ... vicinity of vessels during hauling had an impact on catch rates. For these analyses the catch rates of ... vessels in 2001 and 11 of 15 vessels in 2002 were analysed (Table 1). For the purpose of this study an ... H 302 14 4.6 46 15.2 0 0 I 319 14 4.4 78 24.5 20 6.3 J 712 30 4.2 119 16.7 14 2 K 346 12 3.5 18 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 111–126 : Auteur(s): Purves, M.G., D.J. Agnew, E. Balguerías, C.A. Moreno and B. Watkins
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Inclusion of fisheries notifications in the Database of Upcoming Expeditions to the Southern Ocean
(www.soos.aq). Developed by the Australian Antarctic Data Centre, DueSouth is an open-access resource for the ... research vessels. Building on the 2018 endorsement by the Scientific Committee (e-sc-xxxvii_1.pdf paragraph ... inclusion of industry vessels (e.g., Tourist and Fisheries) provide important “Ships of Opportunity” for ... 10.9) and the test case provided as shown herein, SOOS now requests formal approval for the inclusion ...
Meeting Document : CCAMLR-38/BG/26 : Auteur(s): Submitted by SCOR
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Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models (submitted to the 2008 Joint CCAMLR-IWC Workshop)
biogeochemical models for the Southern Ocean is presented, with a focus on those models that have been validated ... blooms is presented for the major provinces surrounding Antarctica. Some of the published information ... productivity is presented, focusing on the vertically generalised production model (VGPM) and more recent ... a similar algorithm but with CZCS data (Arrigo et al., 1998). What could be responsible for two ... /06, an interdis- ciplinary survey was conducted of East Antarctica (30°E to 80°E). The suite of ... mechanism for the separation of the two groups. West Antarctic Peninsula Prezelin et al. (2004) documented ... biogeochemical models for the Southern Ocean is presented, with a focus on those models that have been validated ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 247–265 : Auteur(s): P.G. Strutton, N.S. Lovenduski, M. Mongin and R. Matear
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International CCAMLR applied research and monitoring program, Prydz Bay priority area
Australia towards the first five years of an International CCAMLR Applied Research and Monitoring Program in ... area Abstract / Description: An outline is given of a proposed scientific research contribution by ... the Prydz Bay area. Emphasis is placed on the krill based part of the marine community in the Prydz ... Bay area. Some attention is also given to the fish and squid based part of the marine community on the ... for information on feeding throughout the year, the Australian contribution is centred upon shore ... a proposed scientific research contribution by Australia towards the first five years of an ... sharpened, an assessment will be made of the practicability of applying each in the field on both the ... observations. It is planned that there be observers for crabeater seals on early season resupply voyages ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 283-295 : Auteur(s): Australia
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Fishery Report 2014: Dissostichus eleginoides Heard Island (Division 58.5.2)
the model from returning an estimated fishable biomass for which the catch in any given year would ... 20% of the pre-exploitation median spawning biomass in any one year, for each year over a 35-year ... effort amongst strata was revised in 2003, with an identical survey design for the years 2001–2002 and ... assumed for these years with an identical selectivity function (Survey group 1). Survey abundance-at ...
Document : Site Section: Publications
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Antarctic sea ice losses drive gains in benthic carbon drawdown
phytoplankton die and sink to the sea-bed where the carbon is sequestered for thousands of years. This carbon ... drawdown per year on the West Antarctic continental shelf. Carbon accumulation differs significantly ... sink acts as a negative feedback to climate change, with an estimated 2.9 million tonnes of carbon ... productive region per km 2 but, at only 4x10 4 km 2, the greatest overall gains are for the larger ...
Meeting Document : SC-CAMLR-XXXIV/BG/34 : Auteur(s): Delegation of the United Kingdom
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Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
assume the common origin of the western and Shag Rock groupings. C.gunnari of two-three years old (at the ... similarity between the eastern and western groupings and the differences between those two and Shag Rocks ... length and older than 6-7 years (10-11 years in the South Georgia area) and considerably lower number of ... isolation of the area. On the basis of the cluster analysis the similarity of icefish up to 22 cm in length ...
Meeting Document : WG-FSA-04/40 : Auteur(s): Zh.A. Frolkina and I.A. Trunov (Russia)