Search results
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Marine debris surveys at Bird Island, South Georgia 1990 to 1995
Abstract: The Antarctic marine environment has relatively few direct sources of man-made marine ... debris; however, there is concern over the dangers posed to wildlife by increasing amounts of such debris ... . Between 1990 and 1995 beached debris was monitored at Bird Island, South Georgia. This was part of a ... programme developed by the Commission for the Conservation of Antarctic Marine Living Resources (CCAMLR) to ...
Meeting Document : CCAMLR-XV/BG/05 : Author(s): Delegation of the United Kingdom
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Uncertainty in standard sphere calibrations
Abstract: In fisheries acoustics, the standard sphere method of echosounder calibration is most ... method, a series of experiments were conducted in a deep tank (Demer and Hewitt, 1993). Results indicated ... that variations in pulse length (0.1 and 0.3 ms), water temperature (0.5 to 5.5 C), and choice of ... variations in the system gains of 0.3, 0.2 and 1.5 dB, respectively. Additionally, system gain values ...
Meeting Document : WG-EMM-95/70 : Author(s): Demer, D.A., Hewitt, R.P.
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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
Abstract: This study reviews the impact of longline fishing on populations of white-chinned ... shows that the population of white-chinned petrels at Possession Island (Crozet) decreased sharply ... decrease in the population was more marked as a result of previous levels of incidental mortality. At ... present, the level of mortality of white-chinned petrels in Subarea 58.6 has not reached the critical ...
Meeting Document : SC-CAMLR-XXVI/BG/22 : Author(s): Délégation française
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Beach debris survey Signy Island, South Orkney Islands, 1998/99
categories. A total of 83 items weighing 12.96 kg was collected. The number of items recovered was the ... highest since 1996/97 and showed an increase of 86% compared to the previous year. The total mass of items ... recovered was more than double the mass of items in 1997/98. Classifying the material by source revealed ... that 40% had come from ships or fishing vessels in the form of packaging bands, fishing net and foam ...
Meeting Document : CCAMLR-XVIII/BG/7 : Author(s): Delegation of the United Kingdom
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MULTIPLE INDICATORS SUGGEST A STRONG ECOSYSTEM ANOMALY AT SOUTH GEORGIA IN 2009
local oceanographic and atmospheric conditions. Much of the observed variability in various fitness ... metrics for birds, seals and fish seems to be connected with the availability of Antarctic krill ... marine ecosystem at South Georgia is the focus of a major research effort and consequently there are many ... sources of data available indicating its state. These include remotely-sensed satellite data, fishery data ...
Meeting Document : WG-EMM-09/23 : Author(s): S. Hill, M. Belchier, M. Collins, S. Fielding, E. Murphy, P. Trathan, H. Venables and C. Waluda (United Kingdom)
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RESEARCH PLAN FOR TOOTHFISH IN DIVISION 58.4.4a & b BY SHINSEI MARU NO. 3 IN 2009/10
Abstract: In order to clarify stock status and biological characteristics of Dissostichus spp. in ... Division 58.4.4 a & b, a total of 124 research hauls are allocated on 10-minute latitude x 20-minute ... longitude grid points (spaced approximately 10 nautical miles apart). Almost all of the research hauls are ... shallow points of < 500 m in SSRU A in order to avoid catching small fishes. A Trot line system will be ...
Meeting Document : WG-SAM-09/11 : Author(s): Delegation of Japan
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A proposal for a CCAMLR vessel monitoring system
Abstract: A draft configuration of the CCAMLR Vessel Monitoring System (VMS) was prepared using ... available expertise in the design and implementation of satellite-based vessel monitoring of several CCAMLR ... Members and of the Forum Fisheries Agency. Technical consultation on VMS development, set-up and operation ... , available onboard equipment and its use, and transmission and processing of position reports was provided by ...
Meeting Document : CCAMLR-XIV/14 : Author(s): Secretariat
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WG-FSA-98
summary of observations on board longline vessels operating within the CCAMLR Convention Area Secretariat ... requirements for 1999 Secretariat WG-FSA-98/13 About the fecundity of Patagonian toothfish (Dissostichus ... Surface areas of seabed within the 500 m isobath for regions within the South Shetland Islands (Subarea ... trawl survey of Elephant Island and the lower South Shetland Islands (Subarea 48.1) C.D. Jones (USA), K ...
Meeting
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Vulnerable Marine Ecosystems (VMEs)
protocols for fishing vessels. A range of Conservation measures have been put in place by CCAMLR to address ... the protection of VMEs. The adverse impacts of bottom fishing on marine ecosystems is widely ... areas beyond national jurisdiction. The global concern about the adverse effects of bottom fisheries has ... placed the issue on the agenda of the United Nations Open-Ended Informal Consultative Process on Oceans ...
Page : Site Section: Science
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Krill distribution pattern due to water structure and dynamics near the South Sandwich Islands in January–February 2000 (Krill Synoptic Survey 2000)
: waters of Antarctic Circumpolar Current, Weddell Sea and Secondary Frontal zone of Weddell Gyre. The ... schematic maps of geostrophic waters circulation are made. The joint analysis of environment parameters and ... length frequency, maturity stages and waters inhabited. Distribution of the 1st krill group (juveniles 25 ... -29 mm) well corresponds to meanders of Weddell Current to West of archipelago and distribution of the ...
Meeting Document : WG-EMM-00/33 : Author(s): V. Sushin, P. Chernyshkov, V. Shnar, F. Litvinov and K. Shulgovskiy (Russia)