Resultados de la búsqueda

1. QUANTIFYING MOVEMENT BEHAVIOUR OF VESSELS IN THE ANTARCTIC KRILL FISHERY

   a distinct pattern. Mean between-haul distances were generally longer when catch levels fell below ... for describing a generalised fishery model. Updates for some of the parameters for the krill fishery ...

   Meeting Document : WG-EMM-09/P05 : Autor(es): S. Kawaguchi and S.G. Candy

2. INTERANNUAL SPATIAL VARIABILITY OF KRILL (EUPHAUSIA SUPERBA) INFLUENCES SEABIRD FORAGING BEHAVIOR NEAR ELEPHANT ISLAND, ANTARCTICA

   -transect surveys were used to map seabirds, and a combination of acoustic and net surveys was used to map ... arrangement of krill patches. We found a negative relationship between abundance and patchiness of krill and ...

   Meeting Document : WG-EMM-08/P12 : Autor(es): J.A. Santora, C.S. Reiss, A.M. Cossio and R.R. Veit

3. Fish as diet of the blue-eyed shag, Phalacrocorax atriceps bransfieldensis at Half-Moon Island, South Shetland Islands

   Abstract:  Thirty eight regurgitated casts collected in a colony at Half-moon Island, South ... . gibberifrons, the fish species (and their size and age ranges) were identical to those found in a similar study ...

   Meeting Document : WG-CEMP-94/32 : Autor(es): E.R. Barrera-Oro and R.J. Casaux (Argentina)

4. Notes on the use of virtual population analysis for stock assessment of the mackerel icefish, Champsocephalus gunnari (Lönnberg, 1906) in Subarea 48.3 for the 1990/91 and 1991/92 seasons

   was composed of a large proportion of 5 year olds, which was not observed during the survey on ... attributed to the invalid assumption of constant M and contradictions in the input data. A conservative ...

   Meeting Document : WG-FSA-92/27 : Autor(es): G. Parkes (United Kingdom)

5. Acoustic data analysis and models of krill spatial distribution

   biomass estimate. The wavenumber spectrum resembles a white noise at scales of 2-20 km, although at scales ... . These results of data analysis suggest that krill patch size or rather a basic swarm size should be ...

   Meeting Document : SC-CAMLR-VII/BG/25 : Autor(es): United States of America

6. Survey estimates of recruitment of toothfish in Subarea 48.3

   several unexplainable errors. A new, corrected, series of recruitment estimates was derived using new ... consistently determined from the survey data. The expected reduction in cohort density with time at a log-scale ...

   Meeting Document : WG-FSA-SAM-04/16 : Autor(es): Collins, M., Wakeford, R.C., Moir-Clark, J., Belchier, M., Agnew, D.J.

7. Estimating the level of illegal fishing using simulated scaling methods on detected activity

   such activity. For assessment purposes, this highlights a general problem that the method of ... observation has a strong effect on the behaviour of the system (of the illegal fishing cruises). It may be ...

   Meeting Document : WG-FSA-SAM-04/14 : Autor(es): Ball, I.

8. Using mark-recapture and catch-age data to estimate fishing and natural mortality for the Patagonian toothfish at South Georgia

   Abstract:  This paper develops a Bayesian mark-recapture model for estimating both fishing and ... model was applied to, a consistent picture emerged. Both natural and fishing mortality were estimated to ...

   Meeting Document : WG-FSA-SAM-06/06 : Autor(es): R.M. Hillary and D.J. Agnew (United Kingdom)

9. Report of vulnerable marine ecosystems in South Georgia Islands (CCAMLR Subarea 48.3) through research dredge sampling

   inclusion in the CCAMLR VME registry, were detected during a research cruise performed by the National ... April-May of 2013. VMEs were established from the finding of high densities of indicator taxa through a ...

   Meeting Document : WG-FSA-13/58 : Autor(es): E. Gaitán, L. Schejter, D. Giberto, M. Escolar and C. Bremec (Argentina)

10. Updated progress report on the research fishery for Dissostichus spp. in Subarea 48.6 being jointly undertaken by Japan and South Africa: 2012/13 and 2013/14

    Abstract:  Japan and South Africa initiated a multi-year research plan in Statistical Subarea 48.6 ... and replaces WG-SAM-14/10. Over the first 19 months of the Research fishery a total of 279 ...

    Meeting Document : WG-FSA-14/67 : Autor(es): R. Leslie (South Africa), K. Taki, T. Ichii (Japan) and S. Somhlaba (South Africa)

Páginas