Résultats de la recherche

1. The influence of bait quality on the sink rate of bait used in the Japanese longline tuna fishing industry: an experimental approach

   sank whereas frozen bait floated. Fish with inflated swim bladders floated, however, even when thawed ... (to avoid fish species with swim bladders which cause the bait to float), the proper thawing of bait ... . Fish with inflated swim bladders floated, however, even when thawed. The addition of a 20 g lead ... sec. m-'. The results highlight the importance of careful bait selection (to avoid fish species with ... decrease with increased bait sink rates, particularly if the baits can be made to sink to a depth greater ... than that achievable by diving birds within the area astern of a ship that is protected by a bird ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 123–129 : Auteur(s): Brothers, N., A. Foster and G. Robertson

2. Species identification and age estimation for the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   toothfish fishery in the Ross Sea dependency in 2002 were identified by observers and returned to New ... Zealand for subsequent confirmation of their identity by researchers from the National Institute of Water ... (NIWA) Ltd Private Bag 14-901, Kilbirnie Wellington, New Zealand Email – p.marriott@niwa.co.nz P.L ... . Horn NIWA Ltd PO Box 893, Nelson New Zealand P. McMillan NIWA Ltd Private Bag 14-901 Kilbirnie ... , Wellington New Zealand Abstract Samples of macrourid rattail by-catch from the toothfi sh fi shery in the ... Ross Sea dependency in 2002 were identifi ed by observers and returned to New Zealand for subsequent ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 37–51 : Auteur(s): Marriott, P., P.L. Horn and P. McMillan

3. The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean (submitted to the 2008 Joint CCAMLR-IWC Workshop)

   nototheniids, and that the importance of krill in fish diets varies substantially both with time and location ... on various scales, as well as with the availability of alternate prey in the different regions in the ... National Institute of Water and Atmospheric Research (NIWA) Ltd PO Box 893 Nelson New Zealand L ... , and that the importance of krill in fish diets varies substantially both with time and location on ... various scales, as well as with the availability of alternate prey in the different regions in the ... , with an increasing proportion of krill found south of the ACC as the season progresses. The retention ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 115–169 : Auteur(s): Kock, K.-H., E. Barrera-Oro, M. Belchier, M.A. Collins, G. Duhamel, S. Hanchet, L. Pshenichnov, D. Welsford and R. Williams

4. Factors to consider in developing management measures for krill

   Living Resources is given along with an outline of steps for the evolution of management procedures for ... / Description:  A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of ... marine ecosystem and of the effects of environmental changes with the aim of making possible the ... strategies for the conservation of Antarctic marine ecosystems, a well balanced strategy should begin with ... baleen whales in the Antarctic (Laws, 1977). The baleen whales were the object of major fisheries, with ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Auteur(s): de la Mare, W.K.

5. A post-processing method to remove interference noise from acoustic data collected from Antarctic krill fishing vessels

   et al., 2014). For krill with length ranging from 30 to 60 mm, the target identification window is ... and its distribution at small- scale management units is required (CCAMLR, 2015). Compared with ... collected by fishing vessels (ICES, 2007; Skaret et al., 2012; Wang et al., 2014; Watkins et al., 2015 ... effects of applying this new method on echo integration and swarm struc- ture analysis of krill are also ...

   Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 17–30 : Auteur(s): Wang, X., J. Zhang and X. Zhao

6. Krill fishing in the Scotia Sea in relation to bathymetry, including the detailed distribution around South Georgia

   this area but also operated further west on a range of banks associated with submarine valleys. The ... results are discussed in relation to the ecology of krill and the fishery's interaction with local ... predominantly in this area but also operated further west 011 a range of banks associated with submarine ... valleys. The results are discussed in relation to the ecology of krill and the fishery's interaction with ... to reveal aspects of an organism's ecology which cannot be elucidated with traditional ecological ... year and it is those data that have been used in this study. The following new dataset was also ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 1–17 : Auteur(s): Murphy, E.J., P.N. Trathan, I. Everson, G. Parkes and F.H.J. Daunt

7. Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica

   consistent with previous research. Regression equations for converting standard length to total length and ...  National Institute of Water and Atmospheric Research (NIWA) Ltd PO Box 893 Nelson, New Zealand Email ... Atmospheric Research (NIWA) Ltd Private Bag 14901 Wellington, New Zealand Abstract Icefish ... during the 2005/06 fishing season (CCAMLR, 2008). They are managed by CCAMLR and the New Zealand ... Government approves permits for New Zealand companies to fish in the Ross Sea region (CCAMLR Subareas 88.1 ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Auteur(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott

8. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   counts with non-standard timing. The challenge is, therefore, to correct ‘off-peak’ census counts to make ... them comparable with current standard methods. Census correction involves knowing (i) how the census is ... the peak of clutch initiation is presented and, along with a simple estimation of species-specific ... with non-standard timing. The challenge is, therefore, to correct ‘off-peak’ census counts to make ... them comparable with current standard methods. Census correction involves knowing (i) how the census ... determining the peak of clutch initiation is presented and, along with a simple estimation of species ... has been censusing breeding bird popu- lations on the Peninsula since 1994, is typical of many ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Auteur(s): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

9. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   optimisationbased approaches such as MPC are computationally capable of dealing with EBM-type problems. They are ... and uncertain conditions typical of Antarctic marine ecosystems. This study used Model Predictive ... capable of dealing with EBM-type problems. They are also useful for assessing the feasibility of ... unacceptable levels. Hill and Cannon 120 Maguire, 2002), which is concerned with control- ling the states ... (Walters, 1986). Robust control aims to achieve specified objectives for the state of systems with ... state (direct empirical measurements, which might be used with an assessment model that integrates ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Auteur(s): Hill, S.L. and M. Cannon

10. A quantified Bayesian Maximum Entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the CCAMLR-2000 Survey

    tonnes, with a standard deviation of 10 million tonnes. The MaxEnt method provides new insights into the ... density distributions for New Zealand hoki. A transform between data space (trawl length and position ... biomass inferred for the survey area was 208 million tonnes, with a standard deviation of 10 million ... tonnes. The MaxEnt method provides new insights into the extremely sparse survey data (only 0.6% of the ... placed transects, and the CCAMLR- 2000 Survey was designed in accordance with such transect placing ...

    Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 97–116 : Auteur(s): Heywood, B.G., A.S. Brierley and S.F. Gull

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