Search results
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2013–14
12 years with a slight decline in the past two years. Length frequency distributions of Antarctic ... of the fishery – the reason for this is unclear. There has been a slight reduction in mean age in ... recommended that additional otolith readings for this area are given a high priority. There was a marked ... , S. Hanchet, S. Mormede and A. Dunn (New Zealand) Title: A characterisation of the toothfish fishery ...
Meeting Document : WG-FSA-14/52 : Author(s): M. Stevenson, S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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The winter pack-ice zone provides a sheltered but food-poor habitat for larval Antarctic krill
Abstract: A dominant Antarctic ecological paradigm suggests that winter sea ice is generally the ... is a food-poor habitat for larval development. In contrast, the more open marginal ice zone provides ... a more favourable food environment for high larval krill growth rates. We found that complex under ... previously fed. Model analyses indicate that this behaviour increases both food uptake in a patchy food ...
Meeting Document : WG-EMM-18/P04 : Author(s): B. Meyer, U. Freier, V. Grimm, J. Groeneveld, B.P.V. Hunt, S. Kerwath, R. King, C. Klaas, E. Pakhomov, K.M. Meiners, J. Melbourne-Thomas, E.J. Murphy, S.E. Thorpe, S. Stammerjohn, D. Wolf-Gladrow, L. Auerswald, A. Götz, L. Halbach, S. Jarman, S. Kawaguchi, T. Krumpen, G. Nehrke, R. Ricker, M. Sumner, M. Teschke, R. Trebilco and N.I. Yilmaz
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Note sur l'étude d'évaluation de l'impact des pêcheries sur les populations de pétrels à menton blanc Procellaria aequinoctialis et de pétrels gris Procellaria cinerea aux îles Crozet et Kerguelen
decrease in the population was more marked as a result of previous levels of incidental mortality. At ... mortality of white-chinned petrels in Division 58.5.1 have probably had a negative effect on the population ... . At present, incidental mortality of this petrel has a limited effect on the population. The ... ). The legal toothfish fishery had a significant negative impact on adult survival and population growth ...
Meeting Document : SC-CAMLR-XXVI/BG/22 : Author(s): Délégation française
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A hierarchical classification of benthic biodiversity and assessment of protected areas in the Southern Ocean
Abstract: An international effort is underway to establish a representative system of marine ... Southern Ocean including near-shore Antarctica. We achieve this by using a hierarchical spatial ... 23 ecoregions and nine bathomes. From a set of 30 types of geomorphic features of the seabed, 846 ... . Author(s): L.L. Douglass, J. Turner, H.S. Grantham, S. Kaiser, R. Nicoll, A. Post, A. Brandt and D ...
Meeting Document : WS-MPA-11/23 : Author(s): L.L. Douglass, J. Turner, H.S. Grantham, S. Kaiser, R. Nicoll, A. Post, A. Brandt and D. Beaver (WWF–ASOC)
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Algunos aspectos biologicos relevantes a la explotacion de la merluza negra (Dissostichus eleginoides Smitt, 1898) en la zona economica exclusiva argentina y sector oceanico adyacente
eleginoides) in the Argentine Sea, and atempts some explanation by a trophic analysis of such distribution ... males, 87.06 for females and both 82,16. The length/weight curve for males was: a=5E-06; b=3.186 ... ; females: a=5E-06; b=3.161; both: a=4E-06; b=3.187. The distribution of adults and juveniles can be ... assume a conservative position of 1000m for all the area. Author(s): Almeyda, S.M., Prenski, L.B. Title ...
Meeting Document : WG-FSA-97/49 : Author(s): Almeyda, S.M., Prenski, L.B.
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
Abstract: The selection of a survey area of sufficient size to acount for the migratory behavior ... of krill and based on evaluating the variance structure of sampling within the area from a time ... the combined total standing stock has a consistent variance to mean biomass relationship that appears ... probably encompasses the migratory range of a single group of krill within the period of observation and ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Author(s): Delegation of USA
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Towards the development of a stock assessment for Patagonian toothfish in Division 58.4.4, SSRU C on Ob and Lena Banks
Abstract: Following the advice from the CCAMLR Working Group in WG-SAM in 2012, a preliminary ... assessment of stock status of D. eleginoides in SSRU C in Ob-Lena Banks was made using a CASAL catch-at ... suggest suitable fits to the data, however, there appears to be a pattern of increasing YCS over the time ... but there is a history of IUU catches for the whole Division starting from 1996/97. To provide a more ...
Meeting Document : WG-FSA-12/59 : Author(s): K. Taki (Japan)
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Diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
Abstract: The stocks of Dissostichus mawsoni in the Division 58.4.1 were vulnerable with a big ... Antarctic toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a as a part of Korean research plan for the ... caught in SSRU 58.4.1 C-a in CCAMLR Conversion Area in March, 2013. The diet composition and feeding ... . mawsoni is a carnivore and piscivorous fish that mainly consumed fishes, especially Macrourus whitsoni ...
Meeting Document : WG-SAM-13/26 : Author(s): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)
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Revised diet composition and feeding strategy of Antarctic toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a for the 2012/2013 Korean exploratory longline fishery
Abstract: Stocks of Dissostichus mawsoni in Division 58.4.1 were vulnerable with a big range of ... toothfish, Dissostichus mawsoni in SSRU 58.4.1.C-a as a part of Korean research plan for the exploratory ... SSRU 58.4.1 C-a in CCAMLR Conversion Area in March, 2013. The diet composition and feeding strategy of ... Dissostichus mawsoni were studied using 36 specimens (104 to 176 cm in total length). D. mawsoni is a ...
Meeting Document : WG-FSA-13/43 : Author(s): I. Yeon, Y.J. Kwon, S.G. Choi, K.J. Seok, D.W. Lee, J.M. Jeong, S.J. Ye, H.J. Kim and G.W. Baeck (Republic of Korea)
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Towards the development of an assessment of stock abundance for Subarea 88.2 SSRUs 88.2C–G – a discussion paper
Abstract: This paper frames a discussion for improving the assessment of toothfish abundance for ... SSRUs 88.2C–G. We initially provide a characterisation of the fishery and a summary of available tagging ... grounds based on historic CPUE and a maximum local exploitation rate. It should be noted that the catch ... (SSRUs 88.2C–H) and a subjective decision regarding how it will be split between the 88.2H and 88.2C–G ...
Meeting Document : WG-SAM-14/28 : Author(s): S.M. Hanchet and S.J. Parker (New Zealand)