Search results
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New photo-identification catalogues from Crozet and Kerguelen Islands
for this issue. One of the key point to understand the process of depredation is to use photo-identification ... . One of the key point to understand the process of depredation is to use photo-identification, pictures ... concern for fishery. Killer whale and sperm whales are the two odontocetes species mainly responsible ... for fishery. Killer whale and sperm whales are the two odontocetes species mainly responsible for this issue ...
Meeting Document : WG-FSA-15/71 : Author(s): P. Tixier, N. Gasco and C. Guinet (France)
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Fishery Report 2014: Dissostichus eleginoides Kerguelen Islands French EEZ (Division 58.5.1)
on this stock assessment in the last few years, and on their commitment to carry out ageing, which is currently ... under way. The Working Group recommended that year-class strength should not be estimated until age ... and maturity stage as well as collection of otoliths for age determination of the target and most frequently ... the French EEZ, vessels are required to tag and release toothfish at a rate of one fish per tonne of green ...
Document : Site Section: Publications
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
, derived from the subarea catch limit, appears to exceed this level in up to 20% of years due to high ... limit, appears to exceed this level in up to 20% of years due to high variability in krill biomass ... level”), established in 1991, is 0.62 million tonnes year-1, equivalent to ~1% of the regional biomass ... estimates of the regional biomass in recent years. This suggests that the trigger level would be equivalent ...
Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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Fishes in pelagic catches in the vicinity of the South Shetland Island during the 6th Antarctic expedition of rv Kaiyo Maru, 1990/1991
two adults (one specimen of Gobionotothen gibberifrons and one channichthyid fish- specimen lost ... to 50.9ram (average 46.8mm; mean 46.6mm). Among the notothenioid fishes collected, only two adults (one ... specimen of Gobionotothen gibberifrons and one channichthyid fish - specimen lost on board) were included ...
Meeting Document : WG-KRILL-93/50 : Author(s): T. Iwami, T. Ichii, H. Ishii and M. Naganobu (Japan)
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Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season
and 58.4.1C SSRUs. A prospective estimation of the local biomass (B LOC) of one localized area ... models. The IEO is starting the process of reading otoliths with ageing purposes, data to be added ... for ageing purposes are also presented. Author(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain ... and 58.4.1C SSRUs. A prospective estimation of the local biomass (BLOC) of one localized area ...
Meeting Document : WG-SAM-14/12 Rev. 1 : Author(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)
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Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1999–2000
Abstract: This paper summarises seabird bycatch during the fourth year (July 1999-June 2000 ... around South Africa's Prince Edward Islands. Data were obtained from fishery observers aboard all 11 ... years, much of the variance could be explained in terms of fishing season (higher bycatch rate in summer ... This paper summarises seabird bycatch during the fourth year (July 1999-June 2000) of sanctioned ...
Meeting Document : WG-FSA-00/30 : Author(s): P. Ryan and B. Watkins (South Africa)
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands derived from a long-term monitoring program (1983–2006) at Potter Cover
of twenty four years, and at Harmony Cove, Nelson Island, in the austral summers from 2001 to 2003 ... showed an increase in years 2002-2003, whereas G. gibberifrons was absent in the catches. These trends ... of the stocks of these two fish species was observed, even more than two decades after the end of the commercial ... years, and at Harmony Cove, Nelson Island, in the austral summers from 2001 to 2003. The decline ...
Meeting Document : WG-FSA-06/25 : Author(s): E.R. Barrera-Oro and E.R. Marschoff (Argentina)
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Demography of Antarctic krill in the Lazarev Sea (Subarea 48.6) in the 2005/06 season
for the Lazarev Sea. Recruitment indices were calculated for one-year-old (R1) and two-year-old krill (R2 ... for the Lazarev Sea. Recruitment indices were calculated for one-year-old (R1) and two-year-old krill (R2 ... observed in the catches. Spatial distribution of krill density and size/age classes is discussed ... observed in the catches. Spatial distribution of krill density and size/age classes is discussed ...
Meeting Document : WG-EMM-06/10 : Author(s): V. Siegel (Germany)
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Fishery Report 2018: Dissostichus spp. (Subarea 48.2)
Description / Abstract: Fishery Report 2018: Dissostichus spp. (Subarea 48.2) ... Fishery Report 2018: Dissostichus spp. (Subarea 48.2) ... Fishery Report 2018: Dissostichus spp. (Subarea 48.2) ... measured (n) in each year are provided. Inventory of age data 6. No age data are available ... Length-frequency distributions of catches Inventory of age data Model parameters available Other ... fishing season (from 1 December 2014 to 30 November 2015). Fishery Report 2018: Dissostichus spp ... in two research blocks (see Figure 1) and as part of a multi-year research program in the east ...
Document : Site Section: Publications
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The effects of global climate variability in pup production of Antarctic fur seals
in Antarctic fur seal pup production at South Georgia over a 20-year period in response to environmental ... reductions in Antarctic fur seal pup production over 20 years of study. Simulated environmental time series ... production at South Georgia over a 20-year period in response to environmental autocorrelation created ... seal pup production over 20 years of study. Simulated environmental time series suggested ...
Meeting Document : WG-EMM-06/P2 : Author(s): J. Forcada, P.N. Trathan, K. Reid and E.J. Murphy (United Kingdom)