Résultats de la recherche

1. Using production models to assess the stock of Paralomis spinosissima around South Georgia Island

   Abstract:  Four production models were fit to a time series of daily catch per unit effort (CPUE ... recruitment function. The best fitting model was Model 1. Model 1 had three parameters: an estimate of initial ... abundance (N0), an estimate of the scaling coefficient relating abundance to CPUE (q), and a recruitment ... removals should not be greater than the number of crabs that recruit to the fishery during the course of a ...

   Meeting Document : WG-FSA-93/23 : Auteur(s): George Watters (USA)

2. Ingestion of anthropogenic articles by seabirds at Macquarie Island

   regurgitations and the stomachs of seabirds at Macquarie Island; these were ingested both at sea and on land ... . Eight percent of regurgitated casts from Macquarie Island Cormorants contained polystyrene beads ... . Plastic particles were recorded from the stomachs of Southern Giant Petrels, Subantarctic Skuas, and Kelp ... Gulls. Birds examined in 1988 had a higher frequency of occurrence of foreign objects than birds ...

   Meeting Document : CCAMLR-VIII/BG/12 : Auteur(s): D.J. Slip, K. Green and E. Woehler (Australia)

3. Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation

   phase fingerlings selected from a total sample of 364 early juveniles caught mainly in summer from 2003 ... date of capture showed two main periods of larval hatching separated by 5-6 months, one in late summer ... , indicating a timing of demersal settlement of about eight months from hatching. The age/length frequency ... distribution of fish sampled in spring 2010 showed the simultaneous presence of two different cohorts ...

   Meeting Document : WG-FSA-12/04 : Auteur(s): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)

4. A spatially explicit population dynamics operating model for Antarctic toothfish in the habitable depths of the Ross Sea region

   % of the depth is deemed suitable as habitat for toothfish (120 cells – semi-restricted model), and ... – restricted model) or allowed to occupy the entire Ross Sea region including depths outside of those normally ... about the distribution of toothfish in areas where no fishing has occurred, such that the unrestricted ... model estimates fish movements into cells outside of the fished area including those with implausible ...

   Meeting Document : WG-FSA-13/53 : Auteur(s): S. Mormede, A. Dunn, S. Parker and S. Hanchet (New Zealand)

5. Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach

   useful tool to elucidate the flow of energy and trophic interactions in an ecosystem and to analyse the ... diet of species that are hard to observe while feeding. Herein we compare FA profiles and SI ... composition (nitrogen, δ 15 N and carbon, δ 13 C) of muscle tissue from two sympatric Antarctic fish species ... - Notothenia rossii and N. coriiceps – that are key components in the inshore ecosystem of the South Shetland ...

   Meeting Document : WG-FSA-2019/26 : Auteur(s): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch

6. A REVIEW OF THE METHODS USED TO RELEASE SKATES (RAJIIDS), WITH OR WITHOUT TAGS, IN ANTARCTIC EXPLORATORY FISHERIES

   line by cutting snoods, and when practical, removing the hooks’. This paper documents the evolution of ... from this programme showing an unquantifiable degree of the survivorship of returned skates, the CCAMLR ... implemented was that some form of in-water release would be the ideal to improve survival chances ... . Subsequently a number of problems have become evident with this method. The Working Group on Fish Stock ...

   Meeting Document : WG-FSA-08/30 : Auteur(s): J.M. Fenaughty (New Zealand)

7. OCCURRENCE OF DWARF MINKE WHALES (BALAENOPTERA ACUTOROSTRATA SUBSP) AROUND THE ANTARCTIC PENINSULA

   Abstract:  The occurrence of dwarf minke whales (Balaenoptera acutorostrata subsp.) around the ... Antarctic Peninsula was examined based on 406 sightings of minke whales recorded during the Chilean ... Antarctic Scientific Expeditions and other opportunistic cetacean surveys. Identification of the species was ... made only for the whales sighted in the proximity of the vessels when the specific diagnostic ...

   Meeting Document : WG-EMM-11/P2 : Auteur(s): J. Acevedo, C. Olavarría, J. Plana, A. Aguayo-Lobo, A. Larrea and L.A. Pastene

8. A guide to identification of fishes caught along with the Antarctic krill

   Abstract:  A field key to early life stages of Antarctic fish caught along with the Antarctic ... krill is produced. The key includes 8 families and 28 species mainly from the Atlantic sector of the ... , however, it is impossible to discriminate among species of the same family by remarkable characters. A ... species key is not shown for such resemble species and a brief summary of the main morphological features ...

   Meeting Document : WG-EMM-07/32 : Auteur(s): T. Iwami and M. Naganobu (Japan)

9. Report on the activities of the Scientific Committee on Antarctic Research (SCAR) 2005/06SCAR Observer to CCAMLR

   information paper CCAMLR-XXV/BG/23 “Report on the activities of the Scientific Committee on Antarctic Research ... directly to CCAMLR or are of potential interest to CCAMLR. This includes a report on the SCAR XXIX ... and Biodiversity in the Antarctic (EBA) and the Census of Antarctic Marine Life (CAML) projects. CAML ... for CCAMLR. The activities of the Expert Groupss of Birds and Seals are summarised, as well as new ...

   Meeting Document : CCAMLR-XXV/BG/22 : Auteur(s): SCAR Observer to CCAMLR(G. Hosie, Australia)

10. Time series of Drake Passage Oscillation Index (DPOI) from 1952 to 2006, Antarctica

    Abstract:  An assessment of the environmental processes influencing variability in the recruitment ... and density of Antarctic krill (Euphausia superba DANA) is important as variability in krill stocks ... krill recruitment and density in the Antarctic Peninsula area with an environmental factor; strength of ... , between Rio Gallegos, Argentina, and Base Esperanza, at the tip of the Antarctic Peninsula during 1982 ...

    Meeting Document : WG-EMM-06/13 : Auteur(s): M. Naganobu and K. Kutsuwada (Japan)

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