Résultats de la recherche
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Depth distribution and spawning pattern of Dissostichus eleginoides at South Georgia
Abstract / Description: Trends in mean length and maturity stage of Patagonian toothfish (Dissostichus ... both up and down slope at particular times of year. Months with a high mean length at depth are May and ... in addition to a major spawning event in late July/August, there may be a small spawning event in ... . When this fishery started in 1989, fishing was conducted year round (CCAMLR, 1998). However ... year to year, but in 1998 there seem to have been two spawning events. The first was in late April ... together accounted for 47% of the catch of the 11 vessels that took part in the fishery. Most of the ... London SW7 2QA, United Kingdom Abstract Trends in mean length and maturity stage of Patagonian ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 19–36 : Auteur(s): Agnew, D.J., L. Heaps, C. Jones, A. Watson, K. Berkieta and J. Pearce
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RESULTS OF THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA
expeditions in Southern Ocean between the years of 1972-1991. The main purpose of these expeditions was to ... commercial expedition’s data has been realized in Ukraine at the Southern Research Institute of Marine ... stock. The data was recorded in the paper forms as expedition logbooks and represent an exclusive set of ... observations for investigation of the environment and the climate change impact on krill population in the ...
Meeting Document : CCAMLR-XXVIII/BG/18 : Auteur(s): Delegation of Ukraine
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Le Concept de Représentativité dans le cadre de la création d'AMP
representativeness in the past 10 years. Author(s): Submitted by ASOC Title: The Concept of Representativeness in ... Abstract: The purpose of this paper is to clarify the concept of “representativeness” in Marine ... application to the designation of a representative system of MPAs in the Southern Ocean. In 2005, CCAMLR ... furthering the objectives of CCAMLR. The principle of representativeness aims to ensure that differences in ...
Meeting Document : CCAMLR-XXXII/BG/14 : Auteur(s): Submitted by ASOC
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Modelling growth of Antarctic krill: growth trends with sex, length, season, and region
seasonal trend for each region. Smaller krill exhibited higher growth rates and a progressive decrease in ... growth was December in Indian sector, whereas in the Scotia Sea sector it appeared to be a few months ... earlier than this. Significantly lower growth rates were exhibited by females in January and February ... relative to males. Seasonal specific growth rates estimated in this study were compared to previous studies ...
Meeting Document : WG-EMM-05/29 : Auteur(s): S. Kawaguchi, S. Candy, R. King (Australia), M. Naganobu (Japan) and S. Nicol (Australia)
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Proposal for a new Antarctic Specially Protected Area, Terra Nova Bay, Ross Sea
extending approximately 9.5 km in length immediately to the south of Terra Nova Bay Station and up to a ... maximum of 7 km from the shore. The total area of the proposed site is just under 30 km2. The boundaries ... long-term data have been collected; b) the waters and benthic communities down to 200 m in depth are of ... ) lines of latitude and longitude in the north, east and south offer a clear and practical definition of ...
Meeting Document : WG-EMM-02/56 : Auteur(s): Proposed by Italy
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A PRELIMINARY BALANCED TROPHIC MODEL OF THE ECOSYSTEM OF THE ROSS SEA, ANTARCTICA, WITH EMPHASIS ON APEX PREDATORS
(Dissostichus mawsoni). The model has 30 trophic groups representing all the major biota of the Ross Sea. Many ... of the lower trophic level species in the model are grouped by functional role because information is ... parameter uncertainty and the large range of magnitude (>6 orders of magnitude) in trophic flows between ... not yet been validated and should be considered a work in progress. Author(s): M.H. Pinkerton, J.M ...
Meeting Document : WG-EMM-08/42 : Auteur(s): M.H. Pinkerton, J.M. Bradford-Grieve and S.M. Hanchet (New Zealand)
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Swimming speed and allocation of time during the dive cycle of Antarctic fur seals
cycle were measured in 10 adult female Antarctic fur seals (Arctocephalus gazella) while they were ... descent and ascent phases of dives with a reduction in speed near the bottom of the dive, when the seals ... or descent (3.6 time predicted BMR). Deep diving (>30 m) and high swim speeds also incurred costs ... in terms of reduced foraging time and may explain why mean dive depths for individuals were within ...
Meeting Document : WG-EMM-95/25 : Auteur(s): Bevan, R.M., Boyd, I.L., Reid, K.
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CCAMLR-IWC Export Group Report: Primary Productivity and Phytopalnkton
available, from missions beginning with the Coastal Zone Color Scanner in the late 1970s through to the ... their use in the Southern Ocean. A brief history of algorithms linking ocean color to primary ... SeaWiFS and MODIS sensors that have been providing data for the last ten years. The characteristics of ...
Meeting Document : CCAMLR-IWC-WS-08/13 : Auteur(s): Matear, R., Mongin, M., Lovenduski, N., Strutton, P.
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Outline proposal for geographic information services for CCAMLR
managed by WG-EMM. It also proposes joint working with the Secretariat to enable capacity building in ... experience in developing award-winning web-based GIS and spatial data access systems. The proposal offers a ... Secretariat. BAS is well-placed to offer these geographic information services, with over 10 years of ...
Meeting Document : WG-EMM-12/70 : Auteur(s): Submitted by the Secretariat on behalf of Adrian Fox, British Antarctic Survey (United Kingdom)
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SKATE DIET AT SOUTH GEORGIA INDICATES BENTHIC HABIT OF KRILL
presence of Antarctic krill in this skate’s diet indicates a benthic habit of this euphausiid species ... South Georgia, Southern Ocean. The diet of A. georgiana varied with skate size and between years ...
Meeting Document : WG-FSA-09/15 : Auteur(s): C.E. Main and M.A. Collins (United Kingdom)