Resultados de la búsqueda
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Slow recovery of previously depleted demersal fish at the South Shetland Islands, 1983–2010
Abstract: Following seals and baleen whales prior to the 1970s, demersal fish stocks were ... depleted off the South Shetland Islands by intensive industrial fishing during the late 1970s to early ... 1980s. Little has been reported since about how these stocks have fared, after international agreement ... closed this fishery in 1990. We report changes in size and abundance of the commercially exploited ...
Meeting Document : WG-FSA-12/P01 : Autor(es): E.R. Marschoff, E.R. Barrera-Oro, N.S. Alescio and D.G. Ainley
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Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach
life cycle. Fishing on M. hyadesi after the chick-rearing season of the most sensitive predator (grey ... after escapement from most higher predator species. It would also allow monitoring of predation on the ... Abstract: In anticipation of the development of a new fishery for the oceanic squid Martialia ... hyadesi in the Scotia Sea a revision is presented of annual consumption of the species by higher predators ...
Meeting Document : WG-FSA-96/20 : Autor(es): Rodhouse, P.G.
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Otolith microstructure of juvenile mackerel icefish (Champsocephalus gunnari) (Channichthyidae) in the South Georgia area
) (Channichthyidae) in the South Georgia area Abstract / Description: The otolith microstructure of juvenile ... a trawl survey of juveniles in February–March 2002 on the South Georgia shelf. Juvenile fish ... comprised two year classes arising from spawning in the 1999/2000 and 2000/01 split-years. The mean width of ... daily otolith growth increments decreased from 6 μm during the first 100 days (total length (TL) 4.5 cm ... - ment zones were selected at the beginning, mid- dle and end of the period, then their width was ... increments per zone and the mean otolith width at the end of the 100-day period estimated. Daily ... ) (CHANNICHTHYIDAE) IN THE SOUTH GEORGIA AREA L.V. Shcherbich AtlantNIRO 5 Dmitry Donskoy Street Kaliningrad ... 236000, Russia Email – atlant@baltnet.ru Abstract The otolith microstructure of juvenile mackerel icefi ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 173–181 : Autor(es): Shcherbich, L.V
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KRILL FISHERY BEHAVIOUR IN THE 1999/2000 SEASON
within their preferred fishing concentration, which seemed to be the lower end of their preference ... condition in 1999/2000 season to assist consideration of the regional krill density and distributional ... conditions observed in the CCAMLR 2000 synoptic survey. The vessels seemed to have been moving around more ... compared to other fishing seasons to look for preferred targets. The 1999/2000 fishing season was the most ...
Meeting Document : WG-EMM-08/40 : Autor(es): S. Kawaguchi (Australia)
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Report on progress with the Southern Ocean Observing System (SOOS)
months, with a deadline of 1 October. A final version of the plan will be circulated before the end of ... Abstract: Abstract This Background Paper reports on progress with the Southern Ocean Observing ... System (SOOS), noting in particular the importance of the SOOS to the work of CCAMLR and the key role of ... CCAMLR in implementation of the SOOS, for example through the CCAMLR Ecosystem Monitoring Programme (CEMP ...
Meeting Document : CCAMLR-XXIX/BG/16 : Autor(es): A joint submission by SCAR and SCOR
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Infectious diseases and parasites of Antarctic and sub Antarctic penguins and the implications for CEMP
Abstract: This paper draws attention to the possible implications for the CCAMLR Ecosystem ... Monitoring Program (CEMP) of infectious and parasitic disease among penguin being monitored and to this end ... present a summary of all such diseases of penguin species found in the Antarctic and sub-Antarctic ... . Just as environmental factors are being examined for their possible effect on the variables being ...
Meeting Document : WG-CEMP-94/34 : Autor(es): J. Clarke and K. Kerry (Australia)
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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
Paper Title: The sensitivity of multiple output statistics to input parameters in a krill ... within CCAMLR to evaluate options for managing the Antarctic krill fishery in the Scotia Sea and southern ... Drake Passage. The model analysed here required 2 311 input values for each of four scenarios and ... the status of predator groups more than they affected statistics indicating the status of the target ... abundance at beginning of fishing period. Krill Whole model Health (II.3(b) maintenance of the ... abundance of the relevant component is <75% of the abundance in equivalent no-fishing trials at the end ... equivalent no-fishing trials at the end of the recovery period. Predators SSMU Services (II.2 the term ... ; ( ), , ,expi t i t i j sj iS Z v ®¹= - -å (4) is the proportion of the krill stock in SSMU i at the beginning ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Autor(es): Hill, S.L. and J. Matthews
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An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging program in Subareas 88.1 and 88.2 for 2006/07
. There was also some evidence that more fish are recaptured after a longer time at liberty on the slope ... the north of the Ross Sea, after 4 years at liberty. Analysis of tag recapture rates suggested some ... Abstract: The descriptive analyses of the toothfish tagging programme carried out in Subareas ... 88.1 and 88.2 since 2001 are updated, including data for the 2007 season for all vessels. This paper ...
Meeting Document : WG-FSA-07/40 : Autor(es): A. Dunn, S.M. Hanchet and S.L. Ballara (New Zealand)
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Submission of papers to meetings of the Working Groups
working papers and background papers (SC-CAMLR-XXIII, paragraph 12.15). 7. Papers submitted after the ... at any time. However, if such corrections are made after the deadline, then the author(s) must ... SUBMISSION OF PAPERS TO MEETINGS OF THE WORKING GROUPS 1. Papers must be submitted by email to the ... Secretariat (webmaster [at] ccamlr [dot] org) by no later than 0900 h on the day which is exactly two weeks ...
Page : Site Section: Meetings
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A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data
Paper Title: A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross ... longline fishery for Antarctic toothfish (Dissostichus mawsoni) has been carried out in the Ross Sea region ... since the late 1990s. No fishery-independent methods of monitoring stock abundance were plausible, and ... , and tagging has been an ongoing requirement for all vessels fishing in the fishery since 2004 ... ). A pilot mark- recapture program was initiated by New Zealand vessels in 2001 and after the ... at 50% B0 at the end of the projection. A number of sensitivity analyses were carried out. These ... recruitment multipliers); y_enter is the number of years after it is spawned that a year class enters the ... south of the Antarctic Con- vergence (Gon and Heemstra, 1990). Finfish fisheries in Antarctic waters ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Autor(es): Mormede, S., A. Dunn and S.M. Hanchet