Résultats de la recherche

1. A bioenergetics model for estimating prey consumption by an Adélie penguin population in east Antarctica

   , and a year with low breeding success. On the basis of variable breeding success and the proportion of ... CEMP site at Bechervaise Island using 13 years of data, a year when penguins successfully reared chicks ... model parameters using Monte Carlo simulation. The model was parametised with data obtained from the ...

   Meeting Document : WG-EMM-16/P10 : Auteur(s): D. Southwell, L. Emmerson, J. Forcada and C. Southwell

2. ANALYSIS OF VARIABILITY OF KRILL SIZE AND FISH BY-CATCH IN JAPANESE KRILL FISHERY BASED ON SCIENTIFIC OBSERVER DATA

   , subareas, and vessels. The potent interaction effect between year and subarea suggests large spatiotemporal ... formula with the variance terms derived from the Bayesian model. For both krill length and bycatch fish ... hierarchical Bayesian model. The model was composed of multistage cluster units (i.e., years, subarea, vessels ... length and bycatch fish number, the parameters estimated by MCMC showed the variation among years ...

   Meeting Document : WG-EMM-11/39 : Auteur(s): T. Okuda and M. Kiyota (Japan)

3. Aspects of the ecology of the bigeye grenadier at South Georgia

   macroscopic and histological investigation. Mature ovaries had oocytes at all developmental stages with ... between 22 and 55% likely to be spawned each year. Absolute fecundity ranged from 22,000 to 260,000 eggs ... over 30 years and attaining lengths in excess of 80cm (Lt). Von Bertalanffy growth parameters were ... ) and occurred at around 9 years old. Estimates of natural mortality and Pauly’s growth performance ...

   Meeting Document : WG-FSA-03/16 : Auteur(s): S.A. Morley, T. Mulvey, J. Dickson and M. Belchier (United Kingdom)

4. On problem of natural subdividing of Antarctic krill’s geographic area (an application to the monitoring of fishing)

   with emphasis on fisheries regions distribution are considered on the base of consisting data of ... several years, which is very expensive and impossible in reality. Information of observers from commercial ... trawlers as well as data from searching ships are a serious help in this respect for intermediate years ...

   Meeting Document : WG-KRILL-93/37 : Auteur(s): R.R. Makarov and L.L. Menshenina (Russia)

5. Age and growth in length of Micromesistius australis, Norman, 1937 (Pisces, Gadidae), in the southern zone of the Argentine Sea

   Herwig and Shinkai Marú in agreement with the Argentine Republic, in the years 1978 and 1978/79 ... )] giving Lt in cm and t in years. For the estimation of the general equation parameters the first 15 age ...

   Meeting Document : SC-CAMLR-V/BG/31 : Auteur(s): Delegation of Argentina

6. Joint report on exploratory fishing in Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2015/16 fishing seasons

   bycatch species were sampled for total length, whole weight, sex and gonad stage in accordance with ... deployment of underwater video cameras by Australia, along with CTD recorders, to improve our understanding ... assessments. A total of 897 research lines were completed over 10 fishing expeditions between 3 November 2011 ... maturity stage indicated that both immature and mature (gonad stage ≥ 3) D. mawsoni were present across all ...

   Meeting Document : WG-FSA-16/30 : Auteur(s): Delegations of Australia, France, Japan, Republic of Korea and Spain

7. Modifications to the Generalised Yield Model: updated input of recruitment time series data and annual fishing selectivity functions

   functions for different years in the assessment model. This is done in the usual way but with repeated input ... , endeavouring to predetermine the recruitment series with an average value of M is no longer necessary for ... sections for each year at which the selectivity is altered. Author(s):  A.J. Constable (Australia) Title ...

   Meeting Document : WG-FSA-01/74 : Auteur(s): A.J. Constable (Australia)

8. Evaluation on the performance of echosounder on a fishing vessel using maximum seabed backscattering

   and 2018) collected at a relatively fixed location with bottom depth around 200 m were used to ... , dB) for single ping were less than 1.0 dB with 0.35 dB and 0.78 dB at 120 kHz and 38 kHz ... , respectively. However, ANOVA analysis indicated that there was no significant difference among years at both ...

   Meeting Document : SG-ASAM-18/06 : Auteur(s): X. Wang, X. Yu and X. Zhao

9. Some thoughts on the CCAMLR risk assessment for seabird–fishery interactions

   Incidental Mortality Associated with Fishing for the assessments of risk, and performance of fisheries within ... (six areas, levels 4-5). Those with few foraging birds and no breeding populations are given lowest ... , and these are refined annually with input from a technical working group. The thresholds and data ... applied for 10 years and helps to define mitigation and monitoring requirements for fisheries within the ...

   Meeting Document : WG-FSA-06/33 : Auteur(s): S. Waugh (New Zealand)

10. Shipboard field operations conducted during the 1989 austral summer by the US Antarctic Marine Living Resources (AMLR) Program

    , 9) net sampling for krill in association with the hydroacoustic survey, 10) sampling for larval ... densities associated with krill distribution, and 12) collection of cephlapod specimens. Author(s ... included 1) ice seal studies in Gerlache Strait, 2) ichthyoplankton survey around South Georgia, 3) benthic ...

    Meeting Document : SC-CAMLR-VIII/BG/34 : Auteur(s): Delegation of USA

Pages