Resultados de la búsqueda
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e-sc-xxvi-a6.pdf
... ). I.30 In comparison with estimates for previous years, calculated in identical fashion, the value ... , paragraph 20); (iii) all relevant raw by-catch data be submitted in the appropriate format, as is done ... not met (Part II, paragraph 30); (v) submit a detailed paper describing the full set of regulatory ... % of vessels) respectively. In the krill fishery, 17% of vessels fishing in Subarea 48.1, 20% of
application/pdf attached to:WG-IMAF-07Meeting Report : WG-IMAF-07
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e-sc-xxxii-a05.pdf
... densest krill swarms detected. Years of moderate to high overall krill density (>30 g m–2) were ... interspersed with years (1999–2000, 2004, 2009–2010) of low density (<30 g m–2). 2.40 The Working Group ... in WG-EMM-13/20 could confound our ability to detect ecosystem changes due to fishing. It was ... that the current predicted Antarctic krill growth rates (WG-EMM-13/20, Figure 2) in the Marguerite Bay
application/pdf attached to:WG-EMM-13Meeting Report : WG-EMM-13
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Entanglement of Antarctic fur seals (Arctocephalus gazella) by man made debris at Bird Island, South Georgia, during the 2005 winter and 2005/06 breeding season
made up the majority during the summer, in contrast to previous years. The majority (63%) of summer ... reported here. Two entanglements were observed in the winter, a decrease of 60% from the previous year, and ... the lowest number seen since records began in 1990. One of these involved a male pup entangled in ... occurred to an adult female entangled in a plastic packing band causing slight constriction to the ...
Meeting Document : SC-CAMLR-XXV/BG/13 : Autor(es): Delegation of the United Kingdom
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e-sc-xxiv-a5.pdf
... the Secretariat to estimate IUU fishing effort was the same method as used in previous years. This ... toothfish and icefish using data from the survey are provided in WG-FSA-05/30 and 05/39 respectively ... -ice conditions, research stations were limited to eight hauls in Area 1; six of these met the ... 30 min on the bottom. It is envisaged that 65–70 hauls will be 303 conducted in the Elephant
application/pdf attached to:WG-FSA-05Meeting Report : WG-FSA-05
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e-cc-xxxi-a6.pdf
... observation in krill fisheries by two years, increase the scheme’s coverage to 80% of vessels and change the ... would minimise potential confusion. 3.27 In response to concerns raised by the Scientific Committee ... essential tool in the fight against IUU. Once again this year we witness a situation in which some vessels ... MEASURES IN FORCE ................... 123 System of Inspection
application/pdf attached to:SCIC-12Meeting Report : SCIC-12
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Management and uncertainty: the example of South Georgia
: Decisions on fishery management are often made with some degree of uncertainty in scientific advice. Such ... to consider ways in which CCAMLR can improve its ability to take decisions in the face of uncertainty ... uncertainty. The question is addressed specifically in terms of the fishery of Notothenia rossii around South ... in the 1980 year-class (paragraph 20 of the report). - 346 - Accepting that the decline in ... , and the small numbers from the 1966 to 1969 year-classes observed in later years would not be ... mortalities in the years 1976 to 1983 (excluding 1980) of 0.2 to 0.6. The only year during this period in ... - 345 - mesh size and transmits a report to this effect in accordance with Article XV 2 (e), and ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 341-353 : Autor(es): Gulland, J.A.
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Comparison of two methods to assess fish losses due to depredation by killer whales and sperm whales on demersal longlines
depredation occurs on fish in the marine environment. This is the case for killer whales (Orcinus orca) and ... to 2013), accounting for spatial variations of depredation levels. In the first method, fishing data ... second method used the differences in the proportion of grenadiers (Macrourus spp.) between non ... the highest among all similar situations where depredation is reported elsewhere in the world. In ... , represented less than 20% of all cells (Cd + Cu). Out of 145 cells in total, 83 were used for killer whales ... whales and 19 cells cg in the presence of killer whales and sperm whales together as both data in the ... GLMMs in further studies. This study spans a total of 10 years to estimate losses, which gives a more ... recent years of this study: fishing vessels no longer concentrate in the Crozet Islands in February as ...
Science Journal Paper : CCAMLR Science, Volume 22 (CCAMLR Science, Volume 22) : 1–14 : Autor(es): Gasco, N., P. Tixier, G. Duhamel and C. Guinet
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e-sc-xvii-a5.pdf
... 1997/98 split-year (1 July 1997 to 30 June 1998) were presented in SC-CAMLR-XVII/BG/1 Rev. 1 and are ... considered in two parts, the CCAMLR split-year 1997/98 and the period from 1 July to 30 September 1998. 3.22 ... been entered and validated. However, as in previous years, some datasets have only recently been ... . gunnari was 5 tonnes, and fish ranged from 22 to 30 cm in length. The distribution of the target species
application/pdf attached to:WG-FSA-98Meeting Report : WG-FSA-98
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Medium-term research plan for the Ross Sea toothfish fishery
to identify key research objectives for the fishery over the next 3–5 years in relation to Article II ... uncertainties in our current knowledge that need to be addressed to fulfil the requirements of Article II. These ... include, for example, uncertainty in the biological parameters and stock assessment of Antarctic toothfish ... , uncertainty in its ecological relationships with predators and prey, and uncertainty over other ecosystem ...
Meeting Document : WG-FSA-14/60 : Autor(es): Delegations of New Zealand, Norway and the United Kingdom
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A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem
ecosystem Abstract / Description: The history of human harvests of seals, whales, fish and krill in the ... hypothesis of a krill surplus in the mid-20th century is described, and the information on population and ... ) species. The model commences in 1780 (the onset of fur seal harvests) and distinguishes the Atlantic ... /Indian and Pacific Ocean sectors of the Southern Ocean in view of the much larger past harvests in the ... of this species declined substantially over the first 20 years of the fishery, from 1970 to 1990 ... , seems certainly plausible. More recent trends in whales and seals in the Antarctic More than 30 ... corresponds to the Areas V, VI and I. The two regions, together with the IWC management areas, are shown in ... in Region A for 11 years during the period from 1967 to 1977 (Boyd, pers. comm.). The consequent ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Autor(es): Mori, M. and D.S. Butterworth