Search results
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Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia
Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... of F 3 or 6 years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between ... year class. An increaseof F, however, should not occur before 4 years after a good recruitment ... have been simulated for a period of 30 years. These were - diffierent levels of constant fishing ...
Meeting Document : SC-CAMLR-VIII/BG/47 : Author(s): Delegation of Federal Republic of Germany
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Why does it necessary to consider krill flux for developing the feedback management strategy for krill fishery in the Area 48?
1962 to 2002 are shown as an example. Author(s): S. Kasatkina and V. Shnar (Russia) Title: Why does ... of krill flux factors in Subarea 48.3 based on the Soviet/Russian scientific observations from 1962 to 2002 ...
Meeting Document : WG-EMM-15/24 : Author(s): S. Kasatkina and V. Shnar (Russia)
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Demographic characteristics of the Adélie penguin population of Béchervaise Island after 12 years of study
analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 years of CEMP ... numbers) were analysed for the Béchervaise Island Adélie penguin colony in eastern Antarctica after 12 ... years of CEMP monitoring. A life table was constructed, and predicted rates of population growth ... of the Adélie penguin population of Béchervaise Island after 12 years of study Approval: Approved ...
Meeting Document : WG-EMM-02/48 : Author(s): J. Clarke, K. Kerry, A. Townsend and L. Emmerson (Australia)
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Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney Islands, 2006/07
of a seal wearing a neck collar of man-made debris. Data are compared with results from a parallel study ... : Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island, South Orkney ... wearing a neck collar of man-made debris. Data are compared with results from a parallel study undertaken ... Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Signy Island ...
Meeting Document : SC-CAMLR-XXVI/BG/20 : Author(s): Delegation of the United Kingdom
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NEW REGIONAL-SCALE SURVEYS OF THE ADÉLIE PENGUIN BREEDING POPULATION IN PRYDZ BAY: A STEP TOWARDS IMPROVED ESTIMATION OF KRILL CONSUMPTION IN EAST ANTARCTICA
was conducted 30 years ago. To understand current levels of prey consumption in east Antarctica it is therefore ... in the early 1980s. The new abundance estimates will significantly improve estimates of prey consumption ... years ago. To understand current levels of prey consumption in east Antarctica it is therefore critical ... Method A3. Recent abundance estimates are approximately double those obtained in the early 1980s. The new ...
Meeting Document : WG-EMM-11/32 : Author(s): C. Southwell, J. McKinlay, K. Newbery, L. Emmerson and J. Lieser (Australia)
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
of the Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age ... at low stomach fullness. On the eastern shelf part, a considerable number of pre-spawning specimens had ... the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 prevailed in pelagic ... fullness. On the eastern shelf part, a considerable number of pre-spawning specimens had already been ...
Meeting Document : WG-FSA-02/79 : Author(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS
, this study (i) provides estimations of annual depredation levels on a 5-years period (2003-2008), (ii ... this 5 year period we estimated a total loss of 1200 tons of Patagonian toothfish due to depredation which ... on an experimental campaign which will take place in early 2010. Author(s): P. Tixier, N. Gasco, G. Duhamel ... estimations of annual depredation levels on a 5-years period (2003-2008), (ii) proposes operational measures ...
Meeting Document : WG-IMAF-09/12 : Author(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)
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Abundance, size and maturity of krill (Euphausia superba) in the krill fishing ground of Subarea 48.1 during 1990/91 austral summer
that krill biomass in this region had been lower than expected until early February 1991. As for maturity ... early February 1991. As for maturity stages of krill, spawning krill (modal body length 49 mm) were ...
Meeting Document : WG-KRILL-92/26 : Author(s): T. Ichii, H. Ishii and M. Naganobu (Japan)
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Predicting fishing ground accessibility in the Antarctic Weddell Sea
that a particular area is navigable by fishery vessels at a given time and again within the following two years ... of the year, while there are high spatiotemporal variability in repeated accessibility in particular areas ... such as along the ice shelf of the eastern and south-eastern Weddell Sea. We consider our models to constitute ... is navigable by fishery vessels at a given time and again within the following two years, as requested ...
Meeting Document : WG-SAM-18/01 : Author(s): H. Pehlke, K. Teschke and T. Brey
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Detecting trends in the krill fishery
in the Scientific Committee. Technological information may provide early warnings of developments that could later ... in the Scientific Committee. Technological information may provide early warnings of developments that could later ... over a short (< 5 year) timescale and could result in an unacceptable concentration of fishing effort ...
Meeting Document : WG-EMM-02/25 : Author(s): S. Nicol and J. Foster (Australia)