Search results
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Interactions between seabirds and deep water hake trawl gear: an assessment of impacts in South African waters 2004/05
these parameters to be varied, but the most sensitive parameters were bycatch rates. Based on conservative ... sensitive parameters were bycatch rates. Based on conservative estimates of effort and dumping time ...
Meeting Document : WG-FSA-06/41 : Author(s): B.P. Watkins, S.L. Petersen and P.G. Ryan (South Africa)
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Reports on biological information of toothfish with special reference to bycatch, depredation and spawning dynamics in Division 58.4.4 a & b by Shinsei maru No. 3 during 2008–14 seasons
SSRU 58.4.4bC. The depredation rate in weight of whales toward toothfish was estimated to be only 3.8 ... -4.8 % in SSRU 58.4.4bC during 2008-12 using the CPUE method, while the presence/absence of whales was ... not considered to be a significant parameter for the catch rate of toothfish in the generalized linear ... ; 58.4.4bB during 2008-14 using the CPUE method. The standardized CPUE in absence of whales in the SSRUs was ...
Meeting Document : WG-FSA-15/21 : Author(s): K. Taki and T. Ichii (Japan)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man made debris at Signy Island, South Orkney Islands 1997/98
seals wearing neck collars of man-made debris, half the number reported in 1996/97. All of the animals ... number of fur seals in total that came ashore during the season. Data are compared with results from a ... parallel study undertaken at Bird Island, South Georgia in 1997/98 where the number of reported ... had increased in occurrence since the previous season. The percentage of entanglements in packaging ...
Meeting Document : SC-CAMLR-XVII/BG/12 : Author(s): Delegation of the United Kingdom
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
the spawning biomass of these stocks in the longer term. The long-term annual yield for each of the ... literature. The second part of the analysis examined the amount of each species caught in the commercial ... operations, the nature of the trawl operations in which they were caught and the effectiveness of current by ... -catch provisions in CCAMLR to ensure the status of these species is not affected by these fisheries. The ...
Meeting Document : WG-FSA-97/30 : Author(s): de la Mare, W.K., Williams, R., Constable, A.
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Diet composition of Champsocephalus gunnari in Subarea 48.3, Dr Eduardo Holmberg survey, February/ March 1994
Abstract: The diet composition of the icefish Champsocephalus gunnari caught in the Subarea 48.3 ... in February/March 1994 was analyzed using the frequency of occurrence (%) method. Krill (Euphausia ... Georgia, in parallel with the virtual absence of mysids and Thysanoessa spp.. Krill was available for fish ... particular spatial distribution of krill in the area in the period of study, but no previous data are ...
Meeting Document : WG-FSA-94/27 : Author(s): E. Barrera-Oro, R. Casaux and A. Roux (Argentina)
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Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia
Abstract: The incidence of entanglement in man-made debris by Antarctic fur seals (Arctocephalus ... their collars removed. This represents a reduction of 88% in the number of entangled seals reported in ... entanglement include a reduction in fishing activity in the South Georgia area, a decrease in the amount of ... common type of neck collar material was polypropylene straps (50%) of the type used in packaging bands ...
Meeting Document : CCAMLR-X/BG/05 : Author(s): Delegation of UK
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Population assessment of Patagonian toothfish in Subarea 48.4
Abstract: This paper presents an update of the assessment of toothfish (Dissostichus spp.) in ... from the Petersen biomass estimates of Dissostichus spp. in the southern region and application of the ... development of the assessment of toothfish in Subarea 48.4 are considered. Author(s): R. Scott (United ... Subarea 48.4. The Subarea is divided into two management regions and assessed using a CASAL assessment of ...
Meeting Document : WG-FSA-12/36 : Author(s): R. Scott (United Kingdom)
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Population assessment of Patagonian toothfish in Subarea 48.4 – 2011 update
Abstract: In this paper we update the assessment of D. eleginoides in the northern half of ... catch at age model generates a yield of 52 tonnes based on CCAMLR decision rules. In 2006 the northern ... , and for the purpose of the experimental work leading to a stock assessment. Data collected in the ... management of D. eleginoides in the northern half of 48.4, but to date insufficient information has been ...
Meeting Document : WG-FSA-11/38 : Author(s): J. Roberts, R. Mitchell and R. Wakeford (United Kingdom)
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Seasonal and interannual variation in foraging range and habitat of macaroni penguins at South Georgia
Abstract: In marine ecosystems, characterisation of the foraging areas and habitats of predators ... is a key factor in interpreting their ecological role. We studied the foraging areas of macaroni ... during incubation, probably relating to the differences in distances travelled. The stage of the breeding ... penguins at Bird Island, South Georgia, throughout the breeding seasons of 1999-2001 using satellite ...
Meeting Document : WG-EMM-01/19 : Author(s): K.E. Barlow and J.P. Croxall (United Kingdom)
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Entanglement of Antarctic fur seals in marine debris at Cape Shirreff and San Telmo Islets, Livingston Island, Antarctica: 1988–1997
results indicate that 45% of the entanglement material found in a total of 20 individuals (nine subadult ... versus total population in the area per season is considered to be low, and never surpass percentages of ... reduce this type of occurrences, we propose: (1) the monitoring of entangled Antarctic fur seals in ... vessels operating in CCAMLR's regulated areas of the Southern Ocean, with further instruction of ...
Meeting Document : SC-CAMLR-XVI/BG/33 : Author(s): Delegation of Chile