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Scientific justification for a marine protected area designation around the Balleny Islands to protect ecosystem structure and function in the Ross Sea region, Antarctica: progress report
can be aligned with both the CCAMLR ecosystem-wide conservation objectives and the values found in ... Specially Protected Area (ASPA) around the Balleny Islands. Since that time, research has continued to focus ... focus is on the CCAMLR values. A review of existing information reveals that the Balleny Islands are ... activities and/or competition between predators and fisheries for available prey can be expected to have ...
Meeting Document : SC-CAMLR-XXIV/BG/25 : Autor(es): Delegation of New Zealand
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Investigation of potential biases in the assessment of Antarctic toothfish in the Ross Sea fishery using outputs from a spatially explicit operating model
hypotheses should be tested, we consider that these simulation experiments provide a useful tool to evaluate ... . Conceptually this assumption implies either that tagged and untagged fish mix equally in the population, or ... -recapture data, and rely on the assumption that tagged and untagged fish have constant probabilities of ... that fishing effort for recaptures is distributed in proportion to the underlying abundance. Neither of ...
Meeting Document : WG-SAM-13/36 : Autor(es): S. Mormede and A. Dunn (New Zealand)
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Fishery Report 2014: Champsocephalus gunnari South Georgia (Subarea 48.3)
. Spawning takes place in shallow water, with eggs laid on the seafloor. Larvae are pelagic and may be ... shall cease fishing and shall be excluded from further participation in the fishery in that year ... were evident. In the southwest region T. gaudichaudii was the dominant diet item, with fish and T ... season is represented by the year in which that season ended, e.g. 2014 represents the 2013/14 CCAMLR ...
Document : Site Section: Publications
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
point one week after the peak in egg laying, consistent with Standard Method A3 of the CCAMLR Ecosystem ... penguins that left the breeding site prior to the reference point because their breeding attempt failed ... , breeding-age penguins that failed to return to the breeding site in that breeding season, nor pre-breeding ... penguins. The abundance of these components of the population can only be estimated through alternative ... made in accordance with CEMP Standard Method A6a (CCAMLR, 2004), which specifies that chick counts be ... , means that population counts cannot always be obtained at an optimal time of a breeding season for ... may be biased estimators of the breed- ing population and hence have low comparability with counts at ... 30–50 nest sites within the colonies. Ideally, cam- eras should be located at random locations with ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Autor(es): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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Volume 16: CCAMLR. 2004. Statistical Bulletin, Vol. 16 (1994–2003). CCAMLR, Hobart, Australia.
from June to August, and Q4 from September to November. This Sixteenth Volume of the Statistical ... November 2003. Note that some tables include catches of krill taken outside the Convention Area, for ... www.ccamlr.org). This Statistical Bulletin should be referenced as: CCAMLR. 2004. Statistical Bulletin ... the Bulletin should be addressed to: David Ramm Data Manager CCAMLR Secretariat PO Box 213 ...
Document : Site Section: Publications
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A RISK MANAGEMENT FRAMEWORK FOR AVOIDING SIGNIFICANT ADVERSE IMPACTS OF BOTTOM FISHING GEAR ON VULNERABLE MARINE ECOSYSTEMS
with different types of gear, a risk management framework is proposed, similar to that which has been ... fishing effort. (4). Review. All of the above steps should be reviewed regularly to ensure that all ... Abstract: CCAMLR adopted a new conservation measure in 2007 (CM 22-06) to ensure that significant ... and consequences of interactions of bottom fishing gear with VMEs and associated uncertainties from ...
Meeting Document : WG-FSA-08/64 : Autor(es): K. Martin-Smith (Australia)
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Results of fish stock assessment survey, South Georgia, December 1987 – January 1988
039;s. A survey to monitor these stocks was carried out from December 1987 to January 1988. It ... complements earlier surveys in the same area and showed that most of the stocks are continuing to decline ...
Meeting Document : SC-CAMLR-VII/BG/23 : Autor(es): United States of America
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Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
dominated by two size classes, estimated to be at ages 2+ and 3+, with greater numbers of 2+ fish caught ... suitable for determining catch limits (Annex 4, paragraph 3.36), but recommended that the code be ... or migration. The survey was assumed to take place at t = 0, with an immediate post-survey catch of ... been taken, but it was included because there remained the potential that it could be caught before ...
Document : Site Section: Publications
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THE POWER OF ECOSYSTEM MONITORING
power) to detect effects that trigger management action. 2. Using data from a long-term ecosystem ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ... % power after 20 years with the probability of a type I error (α) = 0.05). The power increased to >50 ... % when α was increased to 0.2 when the ability to detect change was greater with the predator response ...
Meeting Document : WG-EMM-08/P11 : Autor(es): K. Reid, J.P. Croxall and E.J. Murphy
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
ommastrephids, is semelparous. It is proposed that the timing and catches of the fishery should be highly ... reliable data are from seabirds because comprehensive sampling can be carried out during the breeding ... 245,000 tonnes compared with an upper estimate of 550,000 tonnes if less reliable data are included. M ... . hyadesi spawns in winter/spring, probably has a two year life cycle and, in common with other ...
Meeting Document : WG-FSA-96/20 : Autor(es): Rodhouse, P.G.