Résultats de la recherche

1. Validation of sink rates of longlines measured by two different methods

   bottles may be an appropriate means for measuring sink rates to shallow depths (> 5 m) that they should ... difficult and unreliable with bottles. Bottles had a higher failure rate (51 – 68 %) than TDRs (> 90 ... %), for example, with string becoming entangled or bottles vanishing from sight. We recommend while ... not be used for estimating sink rates to greater depths. Author(s):  B. Wienecke and G. Robertson ...

   Meeting Document : WG-FSA-03/62 : Auteur(s): B. Wienecke and G. Robertson (Australia)

2. How precautionary is the policy governing the Ross Sea Antarctic toothfish (Dissostichus mawsoni) fishery?

   the Ross Sea regional ecosystem. It argues that the current tagging program is unlikely to provide an ... biomass and the ratio of current to pre-exploitation biomass are unreliable. Many parameters necessary for ... Abstract:  This article reviews the adequacy of data and models currently being used to estimate ...

   Meeting Document : WG-FSA-13/P02 : Auteur(s): P.A. Abrams

3. Aerobic dive limit: how often does it occur in nature?

   constraint in their everyday behaviors. An important component of the physiological capability of any diving ... animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal of ...

   Meeting Document : WG-EMM-00/48 : Auteur(s): D.P. Costa, N.J. Gales and M.E. Goebel (USA)

4. Performance metrics to index the spatial coverage of mark-recapture data

   spatial coverage of fishing effort to recapture tagged fish is an important consideration when ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... important focus topic for WG-SAM (SC-CAMLR-XXXIV, 2015, para 3.83). This paper outlines developments towards ... new biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two ...

   Meeting Document : WG-SAM-16/13 : Auteur(s): C. Marsh, A. Dunn and S. Mormede

5. Differentiation of independent populations of Antarctic krill

   :  Several countries have recently shown an interest in commercial krill fishing. An understanding of krill ... population structure is needed to establish sound management of krill fisheries. A short review is undertaken ... circulation. On the basis of the review, it is suggested that there is probably one composite population of E ... may be habitats of independent krill sub-populations. A proposal is given for future studies into ... -to-year and seasonal fluctuations ; 6. study of the causes of fluctuation 7. setting up of an ... INDEPENDENT POPDLATIONS OF ANTARCTIC KRILL D.S.S.R. Abstract Several countries have recently shown an ... interest in commercial krill fishing. An understanding of krill population structure is needed to ... establish sound management 'of krill fisheries. A short review is undertaken of recent studies in genetic ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 275-281 : Auteur(s): USSR

6. Marine debris and entanglements at Bird Island and King Edward Point, South Georgia, Signy Island, South Orkneys and Goudier Island, Antarctic Peninsula 2017/18

   , at Signy Island, South Orkneys and at Goudier Island, Antarctic Peninsula for the period April 2017 ... to March 2018. Surveys of beached marine debris at Bird Island recorded a total of 371 items during ... austral winter (April to September 2017) and 111 items during summer (October 2017 to March 2018 ... 2017 to 31 March 2018). Twenty-seven items of beached marine debris were recorded at Goudier Island ...

   Meeting Document : SC-CAMLR-XXXVII/BG/21 : Auteur(s): C. Waluda

7. Physical data used in space averaging: Trophic modelling of the Ross Sea

   ; Gloersen & Cavalieri. 1986). Multiyear/landfast ice is taken as the minimum area during a year having an ... Arrigo & van Dijken (2004), were derived for an area bounded to the north and east by approximately by ... Eicken (2003). We assume that the minimum average sea ice thickness for single year ice occurs on 1 ... still remain for study, but maybe not for long. Marine Ornithology 30(2): 55-62. Anderson, J.B. 2000 ...

   Document : Site Section: Publications

8. Results of a longline survey on seamounts in the southeast Atlantic and in Subarea 48.6 and Division 58.4.4

   vary from 1:1. Females accounted for 70% of individuals of more than 90 cm in total length. The stratum ... shallow water. The sex ratio of immature D. eleginoides less than 90 cm total length did not significantly ... . Females accounted for 70% of individuals of more than 90 cm in total length. The stratum with the highest ... P.A. Hulley and an anonymous reviewer for their useful comments on the manuscript and for pointing ... Banks: n = 136, mean length = 111.8 20 a, 0) m 15 0 a 10 5 0 40 45 50 55 60 65 70 75 80 ... ratio of immature D. eleginoides less than 90 cm total length did not significantly vary from 1:l ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 99–116 : Auteur(s): López Abellán, L.J. and J.F. González Jiménez

9. Abundance and trends in the breeding population of Adélie penguins (Pygoscelis adeliae) in the western Ross Sea

   during their breeding since they did not ground for any period adjacent to those colonies suggesting an ... -1.8% for the years, 1981-2000 followed by a positive per capita growth rate of 5.5% for the years ... Cape Royds for the years, 1981 to 2012.  Colony growth rates for the southern Ross Sea meta-population ... Abstract:  The Adélie penguin (Pygoscelis adeliae) is an indicator species used by the CCAMLR ...

   Meeting Document : WG-EMM-13/30 : Auteur(s): P. O’B. Lyver, M. Barron, K.J. Barton, S. Gordon (New Zealand), D. Ainley, A. Pollard (USA), P.R. Wilson and M.H. Pinkerton (New Zealand)

10. Krill catch distribution in relation to predator colonies, 1987-1991

    48.2 is shown. 74-90% of catches in Subarea 48.1 are taken within 100 km of predator colonies between ... period. The pattern of fishing is very consistent in all years 1988-1991 in Subarea 48.1, but is more ...

    Meeting Document : WG-KRILL-92/18 : Auteur(s): Secretariat

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