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1. Factors affecting the incidental mortality of seabirds in the Dissostichus eleginoides fishery in the southwest Atlantic (Subarea 48.3, 1995 season)

   Paper Title:  Factors affecting the incidental mortality of seabirds in the Dissostichus ... analyses all incidental mortality of seabirds recorded on Argentinian and Chilean vessels fishing for ... possible to evaluate almost all of the incidental mortality of seabirds observed during the season. The ... total mortality recorded was 1 428 birds of which white-chimed petrels (Procellaria aequinoctialis ... THE INCIDENTAL MORTALITY OF SEABIRDS IN THE DISSOSTICHUS ELEGlNOlDES FISHERY IN THE SOUTHWEST ... , Argentina Abstract This paper analyses all incidental mortality of seabirds recorded on Argentinian and ... observers from each vessel. It was thus possible to evaluate almost all of the incidental mortality of ... seabirds observed during the season. The total mortality recorded was 1 428 birds of which white-chimed ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 79–91 : Автор(ы): Moreno, C.A., P.S. Rubilar, E. Marschoff and L. Benzaquen

2. A potential feedback approach to ecosystem-based management: Model Predictive Control of the Antarctic krill fishery

   Control of the Antarctic krill fishery Abstract / Description:  CCAMLR aims to develop a feedback approach ... to aid ecosystem-based management (EBM) of Antarctic krill fisheries. It is important to assess ... and uncertain conditions typical of Antarctic marine ecosystems. This study used Model Predictive ... spatially resolved annual catch limits in response to estimates of the state of the system. It suggests that ... Sivan, 1972). This leads to the following defi- nition of the optimal control problem: { }0 1 2 20 2 ... observability (Kwakernaak and Sivan, 1972) of plausible models of ecosystem dynamics might help to prioritise ... a potential catch limit equivalent to 7% of current global fisheries landings (Hill, 2013a ... key goals of ecosystem-based management (EBM) (Grant et al., 2013). Feedback management must ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 119–137 : Автор(ы): Hill, S.L. and M. Cannon

3. Temporal variation in Antarctic sea-ice: analysis of a long-term fast-ice record from the South Orkney Islands

   Abstract:  Detection of climate-induced change in marine ecosystems requires a knowledge of the ... underlying variability of the environment. This paper uses a range of datasets to investigate the interannual ... variability in Southern Ocean sea-ice dynamics. We present the first analysis of a series of fast-ice duration ... indicate that there has been a long term decline in the duration of sea-ice at the South Orkney Islands in ...

   Meeting Document : WG-EMM-95/80 : Автор(ы): Symon, C., Murphy, E.J., Priddle, J., Clarke, A.

4. Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery

   Paper Title:  Significant conservation benefits obtained from the use of a new fishing gear in the ... practically eliminated depredation of fish by killer whales (Orcinus orca) and sperm whales (Physeter ... macrocephalus). The performance of this fishing technique with regard to seabird mortality and depredation by ... the implementation of the modification. The number of seabirds killed in 2002 was 1 542 compared to ... of this on incidental seabird mortality and fish loss to marine mammal depredation. The results of ... ) sightings of sperm and killer whales around the vessels; and (iii) loss of fish from the line to sperm and ... Significant conServation benefitS obtained from the uSe of a neW fiShing gear in the chiLean Patagonian ... net sleeve that is placed on secondary vertical lines, has practically eliminated depredation of fish ...

   Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Автор(ы): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes

5. On the problem of icefish (Champsocephalus gunnari) vertical migration on the South Georgia shelf

   the maximum catches were available at the middle of the light hours of the day. At twilight the fish ... Abstract:  The results are presented of studying icefish vertical migration based on the data of R ... /V cruises during the seasons of 1982-83, 1983-84 and 1986-87, when this species was highly abundant ... concentrations migrate into the water column and the catches greatly decrease. The direct observations of icefish ...

   Meeting Document : WG-FSA-91/06 : Автор(ы): J.A. Frolkina and V.I. Shlibanov (USSR)

6. Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea

   Paper Title:  Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from ... the Ross Sea Abstract / Description:  Juveniles of the macrourid Macrourus whitsoni were collected by ... the NIWA research vessel Tangaroa during the BioRoss survey of the western Ross Sea and Balleny ... Islands in 2004. Intensive analysis of otoliths from these specimens greatly increased confidence in the ... validation: the state of the art. Fish. Res., 51 (2–3): 377–383. Pearson, H.S. and H.O. Hartley. 1962 ... , growth, and mortality parameters of black cardinalfish (Epigonus telescopus) in QMA 2 (east coast North ... estimAtion And mAturity of the ridge-scAled mAcrourid (Macrourus whitsoni) from the ross seA P.M. Marriott ...  and M.J. Manning National Institute of Water and Atmospheric Research (NIWA) Ltd Private Bag 14 ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 291–303 : Автор(ы): Marriott, P.M., M.J. Manning and P.L. Horn

7. Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald Islands using catch-at-age and aged mark-recapture data from the main trawl ground

   Paper Title:  Estimation of natural mortality for the Patagonian toothfish at Heard and McDonald ... adopted whereby the relatively long time series of catch-at-age and mark-recapture data from the main ... to 2008. A large proportion of the recaptures of fish released in this fishery were aged and these ... directly from the estimates of population numbers-at-age. The properties of these two models for estimation ... - ity of a stock when considered in combination with annual number of recruits, growth rate in body ... size and the age-at-maturity ogive. The integrated assessments using CASAL (Bull et al., 2005) of ... (D. mawsoni) in the Ross Sea (Subarea 88.1) (Dunn and Hanchet, 2007) apply a fixed value of M of ... 0.13 y–1 rather than estimate this parameter jointly with other model para meters. The use of a fixed ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 29–45 : Автор(ы): Candy, S.G., D.C. Welsford, T. Lamb, J.J. Verdouw and J.J. Hutchins

8. Approaches to evaluating and testing of CEMP methods for parameters A1, A5 and A7

   description of foraging trip duration using the mean arising from a bimodal distribution of trip durations may ... Abstract:  The methods and presentation of CEMP parameters A1, A5 and A7 where evaluated using ... simulated time-series data. The effects of sampling timing and intensity during five-day periods for ... measures of arrival and fledging mass suggested that situations where sampling is distributed unevenly ...

   Meeting Document : WG-EMM-04/60 : Автор(ы): G. Watters (USA) and K. Reid (United Kingdom)

9. Comparison of equal-area cylindrical and circular piston transducers

   index and on-axis sensitivity loss due to curvature of the cylindrical transducers, referred to as the ... curvature loss. Under identical conditions of excitation, isotropic ambient noise, and detection threshold ... Abstract:  Design of sondes for in situ measurement of zooplankton or other scatterers requires ... choosing among alternative transducer geometries. This contribution addresses the problem of choosing ...

   Meeting Document : WG-EMM-95/08 : Автор(ы): Foote, K.G.

10. Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate

    -1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ... Abstract:  The age distribution of breeding female Antarctic fur seals at Bird Island, South ... Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971-1973. The mean age in ... ), which was significantly lower than in 1971-1973. Indicators of population size suggested that population ...

    Meeting Document : WG-CEMP-91/21 : Автор(ы): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)

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