Resultados de la búsqueda
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An assessment of CCAMLR measures employed to mitigate seabird mortality in longlining operations for Dissostichus eleginoides around South Georgia
the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an agreement ... seabirds and the effectiveness of measures employed by CCAMLR to mitigate seabird mortality. Following an ... ., 1994,1997; Weimerskirch, et al., 1997). In the area covered by the Convention on the Conservation of ... reported in 1993 around South Georgia and the South Sandwich Islands by observers designated under the ... most of the fine-scale seabird data recorded by observers around South Georgia for the 1995 fishing ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 217–230 : Autor(es): Ashford, J.R. and J.P. Croxall
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Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region
the fishery being assessed. New Zealand identified an interim list of taxa to monitor in fishery by ... , taxonomic resolution and presence in fishery by-catch are also important. Thirteen coarse-resolution ... identified an interim list of taxa to monitor in fishery by-catch in the Ross Sea as part of its benthic ... fishery by-catch are also important. Thirteen coarse-resolution taxonomic groups are identified as ... guidance in developing a generic de- finition of a VME has been provided by the Fisheries and Agriculture ... under discussion by managers and scientists. There is general agree- ment that areas with certain ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Autor(es): Parker, S.J. and D.A. Bowden
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Additional data on anti-Brucella antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica
~rep1111 n o K a B b r n e n e H a H e 6bma, n n p y r H x ~ccneno~a~n.18 no TO MY uonpocy B A H T ... , causing abortion and sterility. It is also a zoonotic disease. Instances of bacterial infection by t l~e ... carried out by the Instituto Anthrtico Chileno (TNACH). SSSI No. 32 and CEMP Site No. 2 contain one of ... female, one yearling male and 61 lactating adult females. Blood samples were obtained by puncturing the ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 147–154 : Autor(es): Blank, O., P. Retamal, P. Abalos and D. Torres
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CCAMLR ecosystem monitoring and management: future work
: Harvesting of marine living resources in the Southern Ocean is managed by the Commission for the Conservation ... procedures by summarising the gaps in the existing approach, the types of models developed for the Antarctic ... @antdiv.gov.au Abstract Harvesting of marine living resources in the Southern Ocean is managed by the ... developing ecosystem-based management procedures by summarising the gaps in the existing approach, the types ... in the Southern Ocean has been managed by the Commission for the Conservation of Antarctic Marine ... was marginalised when it was not unanimously supported by the Scientifi c Committee of CCAMLR ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 233–253 : Autor(es): Constable, A.J
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Status of the Polish FIBEX acoustic data from the West Atlantic
~1, paragraph 3.78). This re-analysis was carried out by Trathan et al. (1992) who calculated ... dataset used by Trathan et al. (1992) was that archived at the BIOMASS Data Centre. This dataset was ... these concerns and so they were subsequently described by Trathan and Everson (1994). The principal ... concern highlighted by the re-analysis related to the status of the archived Polish FIBEX acoustic data ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 125–132 : Autor(es): Trathan, P.N., J. Kalinowski and I. Everson
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A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
and spring. Depending on the exact location of spawning, eggs and larvae become entrained by the Ross ... spawning, eggs and larvae become entrained by the Ross Sea gyres, and may move west, settling out around ... recently reviewed and summarised by Hanchet (2006). Despite a reasonable understanding of the fishery ... stage) for D. mawsoni have been col- lected by scientific observers since the Ross Sea toothfish ... small 20' latitude by 20' longitude cell was calculated. These median lengths were then grouped into ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Autor(es): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams
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Beyond MSY: a consideration of definitions of management objectives
few months or years of life, as eggs, larvae or juveniles, the fish are too small to be caught by ... written as R+G-M-C, where R is the recruits to the stock, G is the growth put on by the fish that have ... the components of the right hand side need to be examined separately. R is not affected by current ... recruitment from that stock can be described by a curve similar to those of Ricker (1954) or Beverton and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 299-322 : Autor(es): Gulland, J.A.
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Analysis of albatross and petrel distribution within the CCAMLR Convention Area: results from the Global Procellariiform Tracking Database
subdivisions, based on remote-tracking data contributed to the Global Procellariiform Tracking Database by ... including areas managed by CCSBT, ICCAT, IOTC and WCPFC. Priority gaps in current tracking data are ... Procellariiform trACkinG dAtAbAse BirdLife International (prepared by C. Small and F. Taylor) Wellbrook Court ... -tracking data contributed to the Global Procellariiform Tracking Database by multiple data holders. The ... albatrosses and petrels of regions north of the CCAMLR boundaries, particularly including areas managed by ... annually by longline fishing (Brothers, 1991; Cherel et al., 1996; Schiavini et al., 1998; Nel et al ...
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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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
influenced by the swimming angle. However, this effect could be less than expected for fish with scattering ... that freezing the fish reduces the overall backscatter by 30%. However, the results of several ex ... where mixed species occur. In the global method the fish density, species and size determined by ... be determined for each species by the best fit to ex situ or in situ data (TS–TL linear models). It ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Autor(es): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the 2008 Joint CCAMLR-IWC Workshop)
areas used by predators to levels that reduce their reproductive success or survival. Spatially–explicit ... bioenergetics models that estimate the amount of prey consumed by predators are required to inform such policy ... will be of utility to modellers as a source of parameters, and to penguin biologists by providing ... comparative information for their own findings and by highlighting significant gaps in existing knowledge and ... A key objective for CCAMLR is to estimate the biomass of different prey species consumed by ... interest is increasingly focusing on fine-scale spatial distribution of food consump- tion by predators in ... Populations (WG-EMM- STAPP) work and will be presented elsewhere. The review begins by giving an overview of ... distribution of the six penguin species that regularly breed within the CAMLR Convention Area, broken down by ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 75–114 : Autor(es): Ratcliffe, N. and P. Trathan