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1. Investigation of bias in the mark–recapture estimate of toothfish population size at South Georgia

   and/or fishing effort; by ‘ideal’, it is meant that either tagging or fishing effort was in direct ... proportion to density (CPUE). When both tagging and fishing effort were non-ideal, e.g. when fishing effort ... South Georgia Abstract / Description:  This paper investigates the influence of mixing of fish, and the ... , simulating fish movements within this system and overlaying various combinations of tagging and recapture ... the actual fishing operation. Knowing Ck,t (in integral numbers of fish), the population in the box ... estimate of stock size when there was an ideal distribution of tags and/or fishing effort; by ‘ideal’, it ... is meant that either tagging or fishing effort was in direct proportion to density (CPUE). When both ... tagging and fishing effort were non-ideal, e.g. when fishing effort was concentrated away from tag ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 47–63 : Автор(ы): Agnew, D.J., G.P. Kirkwood, J. Pearce and J. Clark

2. Журнал CCAMLR Science

   Conservation of Antarctic Marine Living Resources (CCAMLR). It contains articles dealing with the science that ... underpins the conservation and the rational use of Antarctic marine living resources. The journal was ...

   Page : Site Section: Publications

3. Precautionary measures for a new fishery on Martialia hyadesi (Cephalopoda, Ommastrephidae) in the Scotia Sea: an ecological approach

   research fishing and commercial catches. The species is consumed by seabirds, seals and whales and the most ... life cycle. Fishing on M. hyadesi after the chick-rearing season of the most sensitive predator (grey ... stock prior to the fishing season as a form of pre-recruit assessment. Closing the fishery before ... chick rearing season. Preliminary data from a squid jigger undertaking research fishing around South ...

   Meeting Document : WG-FSA-96/20 : Автор(ы): Rodhouse, P.G.

4. Calculating effective releases and recaptures for stock assessments based on tag detection and tagging mortality indices

   developed using a methodology which controls for the spatial and temporal variability of fishing operations ... by pairing each individual tag release or recapture event with all other fishing events which ... occurred in the same time and place (i.e. within a specific distance and in the same fishing season). The ... method showed that when the confounding effects of variable fishing location and time were controlled ...

   Meeting Document : WG-SAM-14/30 : Автор(ы): S. Mormede (New Zealand)

5. Exploration of CPUE standardisation variances in the Ross Sea (Subareas 88.1 and 88.2A South of 70°s) Antarctic toothfish (Dissostichus mawsoni) exploratory longline fishery

   such as gear type, vessel, fishing season, month, bait, fishing depth and area affect estimates of ... with the lowest Akaike’s Information Criterion (AIC), however standardised catch rates over the fishing ... size. This confirms previous advice that research fishing is conducted with a high level of spatial and ...

   Meeting Document : WG-SAM-2019/25 : Автор(ы): D. Maschette, S. Wotherspoon and P. Ziegler

6. Interim protocol for fish/fish larvae by-catch observation in krill fishery

   was distributed to all the fishing krill fishing nations prior for use in 2006/07 fishing season ... Committee (SC-CAMLR 2006). The purpose of developing this protocol is to standardize the larval fish by ... fish identification can also be verified by the CCAMLR fish experts by using systematically archived ... flag states. This protocol will be used only for Fish and Larval fish by-catch observation, and ...

   Meeting Document : WG-EMM-07/25 : Автор(ы): S. Kawaguchi (Australia)

7. New Zealand Draft National Plan of Action – Seabirds

   National Plan of Action – Seabirds. The plan will apply to commercial and non- commercial fishing in New ... Codes specify fishing practices that will be adhered to, maximum bycatch limits, and methods to monitor ... compliance, education and public awareness. Specific fishing practices and bycatch limits will be made ...

   Meeting Document : WG-FSA-03/41 : Автор(ы): J. Nicolson and D. Randall (New Zealand)

8. Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1997–1998

   Abstract:  Longline fishing for Patagonian toothfish Dissostichus eleginoides in the South African ... observers aboard all 11 sanctioned fishing trips, representing a fishing effort of 4.3 million hooks. This ...

   Meeting Document : WG-FSA-98/42 : Автор(ы): P.G. Ryan and M.G. Purves (South Africa)

9. Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey

   biomass estimate which is set as the catch for a 20-year period. Three alternative fishing seasons are ... considered. Fishing in summer (near-coincident with the period of krill growth), or throughout the year ... , allows a greater catch (for the same risk of depletion) than in the case of fishing in winter. Author(s ...

   Meeting Document : WG-KRILL-92/04 : Автор(ы): D.S. Butterworth, G.R. Gluckman and S. Chalis (South Africa)

10. Analysis of inter-vessel variability of krill length distribution in the catches obtained in the fishery in the Bransfield Strait (Subarea 48.1)

    operating in the fishing grounds with spatio-temporal overlapping is shown. At the same time, significant ... differences exist both for vessels using the same trawl fishing method and for vessels operating with ... different fishing methods. The inter-vessel variability of krill length in the catches is more pronounced ...

    Meeting Document : WG-EMM-17/28 : Автор(ы): S. Kasatkina

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