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Changes in the foraging range of Adélie penguins as the breeding season progresses
their breeding sites. 4. Foraging ranges at the different stages of the breeding season are consistent ... Bay region indicates varying degrees of overlap depending on the stage of the breeding season and the ... Abstract: 1. This paper describes temporal changes in foraging range throughout the breeding ... season of Adélie penguins nesting at Béchervaise Island on the Mawson coast of Eastern Antarctica. A ...
Meeting Document : WG-EMM-04/57 : Autor(es): J. Clarke and L. Emmerson (Australia)
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
Paper Title: Analysis of albatross and petrel distribution within the CCAMLR Convention Area ... : results from the Global Procellariiform Tracking Database Abstract / Description: CCAMLR has implemented ... successful measures to reduce the incidental mortality of seabirds in most of the fisheries within its ... , unreported and unregulated (IUU) fishing. This paper presents an analysis of the distribution of albatrosses ... indicate the sites for each species for which there are no breed- ing distribution tracking data. The ... breeding sites, the principal threat to many species is from interaction with fisheries (Robertson and ... point were then recalculated and the pro- cess repeated, until no low quality point had a veloc- ity ... been tracked from all their breeding sites, with the exception of Macquarie Island where the ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 143–174 : Autor(es): BirdLife International (prepared by C. Small and F. Taylor)
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Options for allocating the precautionary catch limit of krill among small-scale management units in the Scotia Sea
Paper Title: Options for allocating the precautionary catch limit of krill among small-scale ... management units in the Scotia Sea Abstract / Description: Following an assessment of Antarctic krill ... (Euphausia superba) in the Scotia Sea, CCAMLR established a precautionary catch limit of 4 million tonnes and ... further adopted 15 smallscale management units (SSMUs). The intent was to subdivide the precautionary ... hydrographic processes known to affect the transport and retention of krill in an SSMU, no standard methods ... ). Data sources and parameter estimates As no SSMUs for Subarea 48.4 have been adopted by the Commission ... following the distribu- tion of colonies reported by Woehler (1993). There are no known breeding colonies ... apportioned to the SGW SSMU and 1% to the SGE SSMU following the distribution of breeding sites reported by ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 81–97 : Autor(es): Hewitt, R.P., G. Watters, P.N. Trathan, J.P. Croxall, M.E. Goebel, D. Ramm, K. Reid, W.Z. Trivelpiece and J.L. Watkins
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A balanced model of the food web of the Ross Sea, Antarctica
Paper Title: A balanced model of the food web of the Ross Sea, Antarctica Abstract / Description ... : A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ... effects of the fishery for Antarctic toothfish (Dissostichus mawsoni). The model consolidates quantitative ... information on trophic links across all the major biota of the Ross Sea and tests for data consistency. The ... del Mar de Ross; no obstante, aún cuando la importancia de la austromerluza como especie presa de ... - fish in the Ross Sea stock (Dunn and Hanchet, 2009; Hanchet et al., 2007). There is no fishery take in ... MODEL OF THE FOOD WEB OF THE ROSS SEA, ANTARCTICA M.H. Pinkerton, J.M. Bradford-Grieve National ... A quantitative food web of the Ross Sea is presented here as a step towards investigating ecosystem ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 1–31 : Autor(es): Pinkerton, M.H., J.M. Bradford-Grieve and S.M. Hanchet
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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
median pre-exploitation spawning biomass and, thus, requires no correction. This paper examines the ... Paper Title: Bias in the estimation of krill yield from using a deterministic formulation of the ... median unexploited spawning biomass Abstract / Description: Two Monte Carlo simulation models, the krill ... yield model and the generalised yield model (GYM), are currently available to CCAMLR that can be used ... , requires no correction. This paper examines the effects of the biased estimates of the median pre ... , the median level of escapement at the end of the projection period with no catches will not be ... no catches. However, they did not provide advice on how the biased estimate, S,, might affect the ... escapement at the end of the projection period should be equal to 1 when no catches are taken (stochastic ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Autor(es): Constable, A.J. and W.K. de la Mare
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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
Paper Title: The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land ... , Antarctica, and its overlap with the krill fishery Abstract / Description: The foraging ranges of six female ... ) were determined by satellite tracking using the ARGOS system. Birds were tracked over four foraging ... trips (two females and four males) during the incubation period (November to December 1991) and 17 trips ... fisheries show that much of their catch occurred in the Prydz Bay region (Division 58.4.2). The Soviet ... first time an overlap occurring in the Prydz Bay region between the foraging range of Ad6lie penguins ... . 1988. Hydroacoustic surveys of the distribution and abundance of krill: Prydz Bay region- FIBEX, AD ... WG-CEMP-92/36 THE FORAGING RANGE OF ADELIE PENGUINS AT ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Autor(es): Kerry, K.R., J.R. Clarke and G.D. Else
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Report of the 1995/96 Japanese Whale Research Programme Under Special Permit in the Antarctic (JARPA) in Area IV and eastern part of Area III
bay lead to such difference, because no significant different is observed when the data of the Prydz ... in the Prydz Bay. However, such high density was not found in the present research. Distribution of ... bay is excluded from the western part of the Area IV. The eastern part of the Area III located closely ... to the Prydz bay and many large matured female were collected in eastern south of the Area III in the ...
Meeting Document : WG-EMM-96/48 : Autor(es): Yuzu, S., Ishikawa, H., Mogoe, T., Kawasaki, M., Hishii, T., Shimamoto, K., Tohyama, D., Nibe, H., Taguchi, F., Hidaka, H., Ono, K., Yamashiro, K., Yoshida, T., Tamura, T., Nishiwaki, S.
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AERIAL SURVEYS OF WEDDELL SEALS DURING 2007-08, WITH NOTES ON THE HISTORY OF AERIAL CENSUSES IN THE ROSS SEA AND RECOMMENDATIONS FOR CONTINUED COUNT EFFORT
Erebus Bay colonies made annually, 1974-2007, demonstrate the sensitivity of count data to environmental ... Antarctic toothfish (Dissostichus mawsoni), and currently there is no ecosystem monitoring program (CEMP) in ... place under CCAMLR with respect to the Ross Sea toothfish fishery. In a previous paper submitted to EMM ... Weddell seals along the Victoria Land coast. That area would be important to monitor changes in ...
Meeting Document : WG-EMM-08/23 : Autor(es): D. Siniff and D. Ainley (USA)
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A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)
-breeding seals in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop) Abstract ... / Description: The development of models of marine ecosystems in the Southern Ocean is becoming increasingly ... habitats of the Southern Ocean (i.e. crabeater seal, Lobodon carcinophaga; Ross seal, Ommatophoca rossii ... are identified and discussed. Spatial and temporal gaps in knowledge of the populations, habitats and ... the fast-ice edge in Prydz Bay remained close to their tagging site with no evidence of pronounced ... position in the pack-ice at five locations around Antarctica in February (at one of these sites counts of ... (1962) would have underes- timated true densities because no adjustment was made for the number of ... et al. (1995) noted that the only crabeater seal that left the pack-ice crossed a large bay of open ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 49–74 : Autor(es): Southwell, C., J. Bengtson, M. Bester, A.S. Blix, H. Bornemann, P. Boveng and M. Cameron, J. Forcada, J. Laake, E. Nordøy, J. Plötz, T. Rogers, D. Southwell, D. Steinhage, B.S. Stewart and P. Trathan
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Proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2018–2022
different catch rates in McMurdo Sound and Terra Nova Bay. The results of each survey and trends in the time ... Abstract: This paper proposes to continue the Ross Sea shelf toothfish survey for the next five ... years, 2018–2022. The first objective of the survey is to monitor toothfish recruitment in the southern ... Ross Sea (core strata). This is a continuation of the yearly time series of research surveys of these ...
Meeting Document : WG-FSA-18/41 : Autor(es): S.M. Hanchet, K. Large, S.J. Parker, S. Mormede and A. Dunn