Résultats de la recherche
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An assessment of toothfish in Subarea 48.3 using CASAL
Paper Title: An assessment of toothfish in Subarea 48.3 using CASAL Abstract / Description: This ... paper presents an assessment of the stock of toothfish around South Georgia (Subarea 48.3) using the ... dynamics is explored using Markov Chain Monte Carlo (MCMC) methods; methods for fast approximations to the ... , long-term yield calculations were undertaken, given the CCAMLR decision rules, for five main assessment ... for the later period. The two estimated selectivity curves are shown in Figure 2. The year-class ... and CPUE data are poorer for the one-fleet model than those seen in the two- fleet model. 71 An ... are undoubtedly rather high for an animal with the longevity of toothfish and its relatively low ... years refer to the fishing season that started in December prior to the year quoted. For example, year ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 65–95 : Auteur(s): Hillary, R.M., G.P. Kirkwood and D.J. Agnew
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Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal
including one individual in two separate years. Whilst the sample size is small the results represent an ... habitat associations, taking into account location errors, indicated the tracked seals had an affinity for ... changed throughout the year with the highest values occurring during the summer which has implications for ... Abstract: Leopard seals are an important Antarctic apex predator that can affect marine ...
Meeting Document : WG-EMM-18/P09 : Auteur(s): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada
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An acoustic estimation of krill densities to the north of South Georgia in January 1994
Abstract: Dual frequency (38 and 120 kHz) acoustic surveys were carried out in two regions along ... signal strength between the two frequencies (δMVBS = MVBS 120 kHz- MVBS 38 kHz) was used to discriminate ... provide further evidence of an extreme krill paucity around South Georgia in the 1993/4 season. Author(s ... ): Watkins, J.L., Brierley, A.S. Title: An acoustic estimation of krill densities to the north of South ...
Meeting Document : WG-EMM-95/74 : Auteur(s): Watkins, J.L., Brierley, A.S.
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Do Adélie penguin fledgling weights provide an index of prey availability?
. The concerns raised by Williams and Croxall (1990) that fledgling weight may increase with an ... to two assumed proxies of prey availability: breeding success and foraging trip duration. Concordance ... between the two proxies was apparent when considering guard stage foraging trip durations but this was not ... as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at ...
Meeting Document : WG-EMM-05/21 : Auteur(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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Towards an assessment of the stock of the ommastrephid squid Martialia hyadesi in the Scotia Sea: data from predators
. Martialia probably has a life span of two years and a circumpolar distribution but its biology and ecology ... Abstract: Cephalopod fisheries world-wide mainly target species from two families, Loliginidae ... and Ommastrephidae. Fisheries for the latter have been characterised by dramatically fluctuating ... squid is an important component of the diet of several species of albatross and the southern elephant ...
Meeting Document : SC-CAMLR-IX/BG/13 : Auteur(s): Delegation of United Kingdom
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Conservation Measure Conservation Measure 41-07 (2017)
est la période comprise entre le 1er décembre 2017 et le 30 novembre 2018, à moins que la limite de capture ... Limits on the exploratory fishery for Dissostichus mawsoni on BANZARE Bank (Statistical Division ... : Dissostichus mawsoni Adopted at Meeting: CCAMLR-XXXVI Period in Force: 2017- 2018 ...
Conservation Measure : 41-07 (2017)
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An updated information of the Japanese krill fishery in the Antarctic
of two different type of operation. Operated areas in 1983/84 and 1984/85 seasons were illustrated ... and three historical main fishing grounds were identified. Author(s): Y. Shimadzu (Japan) Title: An ...
Meeting Document : WS-KCPUE-85/05 : Auteur(s): Y. Shimadzu (Japan)
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An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the 2008 Joint CCAMLR-IWC Workshop)
for differences in the extent of identification of early larval stages. Likewise, the time of year ... an enormous amount of data on Southern Ocean (SO) zooplankton, mostly on their distribution with a ... overview is provided of the diversity and basic biology of SO zooplankton, with an emphasis on abundance ... Paper Title: An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and ... one-half of those above. A change in the view of SO copepods in the last 20 years has followed an ... , with low energetic costs and an effective mechanism for feeding unselec- tively at low food ... estimated for South Georgia (Watts and Tarling, 2012). Pteropods Pteropods are gastropod molluscs with an ... material, values increased by 30% to allow for tissue loss due to formalin preservation Ward and Shreeve ...
Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 171–218 : Auteur(s): A. Atkinson, P. Ward, B.P.V. Hunt, E.A. Pakhomov and G.W. Hosie
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Can we use discriminant function analysis to sex penguins prior to calculating an index of a morphometric characteristic?
Paper Title: Can we use discriminant function analysis to sex penguins prior to calculating an ... , morphometric characteristics have separate distributions for males and females, and these often overlap. Whilst ... certain proportion of birds. Two overlapping normal distributions are used to show that there is a ... difference between the real mean characteristic for a sex, and the apparent mean derived by sexing the birds ... to combine males and females for the calculation of an index. This paper evaluates the suggestion ... the success of the discriminant function for two characteristics described by Kerry et al. (1991) of ... changes may be masked. For instance, if all females are sampled one year, and all males the next, then ... amount of difference between two means that could be due to sex ratio 'sampling' alone. For example ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 259–272 : Auteur(s): Agnew, D.J.
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Liste officielle des mesures de conservation en vigueur saison 2008/09
des mesures de conservation adoptées par la Commission, conformément à l'Article IX de la Convention ... statistique 58.5.2 à l'est de 79°20'E et en dehors de la ZEE à l'ouest de 79°20 ... ..................................................................... 202 RÉSOLUTION 20/XXII Normes de renforcement de la coque des navires contre les glaces ... à l'est de 79°20'E et en dehors de la ZEE à l'ouest de 79°20'E 58.5.2 Dissostichus eleginoides Toutes ...
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