Search results
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Conserving pattern and process in the Southern Ocean: designing a Marine Protected Area for the Prince Edward Islands
Economic Zone (EEZ) of its sub-Antarctic Prince Edward Islands. The objectives of the MPA are to: 1 ... ) contribute to a national and global representative system of MPAs, 2) serve as a scientific reference point ... to inform future management, 3) contribute to the recovery of the Patagonian toothfish (Dissostichus ... eleginoides), and 4) reduce the bird bycatch of the toothfish fishery, particularly of albatrosses and petrels ...
Meeting Document : WS-BSO-07/P1 : Author(s): Lombard, A.T., B. Reyers, L.Y. Schonegevel, J. Cooper, L.B. Smith-Adao, D.C. Nel, P.W. Froneman, I.J. Ansorge, M.N. Bester, C.A. Tosh, T. Strauss, T. Akkers, O. Gon, R.W. Leslie and S.L. Chown
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VARIATION IN DEMERSAL FISH SPECIES RICHNESS IN THE OCEANS SURROUNDING NEW ZEALAND: AN ANALYSIS USING BOOSTED REGRESSION TREES
characteristics using an extensive collection of trawl data from the oceans around New Zealand. Analyses were ... ‘stochastic gradient boosting’). Depth was the single most important environmental predictor of variation in ... species richness, with highest richness occurring at depths of 900 to 1000 m, and with a broad plateau of ... concentrations of chlorophyll a and in zones of mixing of water bodies of contrasting origins. Local variation in ...
Meeting Document : WS-VME-09/P04 : Author(s): Leathwick, J.R., Elith, J., Taylor, P., Francis, M.P., Hastie, T.
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Hydrographic conditions in the Elephant Island plateau region during December 1996
collected by German research vessels in this region. By means of a new interactive software water mass ... boundaries are outlined which reveal the approximate location of the Weddell-Scotia Confluence. Vertical ... distribution of oceanographic parameters temperature, salinity and density is discussed. Geopotential anomaly ... charts, referenced to 0/300 dbar reveal the general flow as given by the geostrophic part of the ...
Meeting Document : WG-EMM-97/06 : Author(s): Stein, M.
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
their origin noted. At Foca Cove, a total of 23 items were recovered with a combined weight of 4.45 kg ... . At Cummings Cove, a total of 42 items were recovered (9.10 kg). No debris was found at Starfish Cove ... . Comparison with the 1990/91 and 1991/92 litter surveys showed a dramatic drop in both the weight of debris ... and the total number of items recovered. For example, at Foca Cove, the total weight of debris ...
Meeting Document : CCAMLR-XII/BG/07 : Author(s): Delegation of United Kingdom
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Fish by-catch in the krill fishery: 2016 update
SISO data (11875 hauls) was used to examine the frequency of occurrence, proportion by mass, length ... -frequency distribution and geographic provenance of the key fish taxa reported. There was a high degree of ... Chaenodraco wilsoni the most frequently reported in both datasets. The estimated total annual mass of fish by ... % Lepidonotothen larseni. The length-frequency distribution of all taxa for which >100 fish were measured had ...
Meeting Document : WG-FSA-16/04 : Author(s): CCAMLR Secretariat
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Brief comments on the simulation study made by Professor Butterworth on krill fishing by an individual Japanese trawler
questions are raised concerning the simulation study of the Japanese krill fishery carried out by ... during FIBEX surveys. Since very little searching time is spent on layers, the utility of searching time ... data appears doubtful. Secondly, the utility of indices based on the sum of primary and secondary ... searching times (PST+SST) is also doubtful because SSTs are markedly dependent upon the type of products ... Abstract In this paper, three essential questions are raised concerning the simulation study of the ... is spent on layers, the utility of searching time data appears doubtful. Secondly, the utility of ... indices based on the sum of primary and secondary searching times (PST +SST) is also doubtful because ... SSTs are markedly dependent upon the type of products being produced, and the demand for each product ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 347–350 : Author(s): Ichii, T. and Y. Endo
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Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions
Abstract: The CCAMLR system for assessing risk of fisheries mortalities to seabirds has been ... waters of the CCAMLR convention area. Annual review of the information by used CCAMLR Working Group on ... Incidental Mortality Associated with Fishing for the assessments of risk, and performance of fisheries within ... these zones is undertaken, resulting in a dynamic system of assessment and response by the CCAMLR ...
Meeting Document : WG-FSA-06/33 : Author(s): S. Waugh (New Zealand)
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Marine debris and fishing gear associated with seabirds at sub Antarctic Marion Island – 1998/99
Abstract: Most (52%) of the 306 debris items found in association with seabirds at Marion Island ... of fishing gear, followed by southern giant petrels Macronectes giganteus. Standardized searches of ... wandering albatross study colonies showed that there had been a slight decrease in the accumulation rate of ... much higher than the 1996/97 season. This is consistent with a decrease in the number of unsanctioned ...
Meeting Document : SC-CAMLR-XVIII/BG/14 : Author(s): Delegation of South Africa
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Recommendation for an explicit limit reference point for the mackerel icefish (Champsocephalus gunnari) fishery in CCAMLR Statistical Division 58.5.2
Abstract: Large fluctuations in abundance are a persistent feature of the populations of mackerel ... . Australia recommends the development of a limit reference point, such that the commercial catch limit for ... completed. In years with a zero commercial catch limit, a combined bycatch and research catch limit of 30 ... tonnes would allow the continued monitoring of the stock through annual trawl surveys. Australia ...
Meeting Document : WG-FSA-11/34 : Author(s): Delegation of Australia
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ADULT ANTARCTIC KRILL FEEDING AT ABYSSAL DEPTHS
bulk of the population of postlarval krill is typically confined to the top 150 m of the water column ... . Here, we report for the first time the existence of significant numbers of Antarctic krill feeding ... operated vehicle Isis in the austral summer of 2006/07 have revealed the presence of adult krill (Euphausia ... locations there were exuviae (cast molts). These observations revise significantly our understanding of the ...
Meeting Document : WG-EMM-08/P01 : Author(s): A. Clarke and P.A. Tyler