Resultados de la búsqueda

1. The identification of scientific reference areas in the wider context of MPA planning – report of the CCAMLR scholarship recipient

   identification of a comprehensive network of reference areas across environmental gradients can play a major role ... in Domain 1, including integrating programmes such as SOOS, are a strong foundation on which to build ... scientific reference areas and facilitate coordination and cooperation among Members, as part of a Research ... and Monitoring Plan for D1MPA. Author(s):  A. Capurro, M.M. Santos, R. Cavanagh and S. Grant Title ...

   Meeting Document : WS-SM-18/17 : Autor(es): A. Capurro, M.M. Santos, R. Cavanagh and S. Grant

2. Long-term changes in the size composition of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, after the 1978–1980 fishery in the area

   years. After 1991/92 the densities, mean sizes and abundances do not depend on a single forcing event ... but on several interacting factors. The length data of G. gibberifrons, available from 1986, show a ... decrease until 1991/92, exhibiting a similar pattern to that of N. rossii. After a period of relative ... stability in mean sizes (1992-1994) a sharp increase is associated with a continuous decline in relative ...

   Meeting Document : WG-FSA-07/52 : Autor(es): E.R. Marschoff, E.R. Barrera-Oro and N.S. Alescio (Argentina)

3. Preliminary investigations of an assessment model for skates and rays in the Ross Sea

   attempted to create a catch history of all skates and rays in the Ross Sea, and integrate these data with ... the available observational data (including tag-recapture data) into a single integrated stock ... , steepness, and size and age at maturity. The applicability of a general model, such as presented here, to a ... multi-species catch has not been investigated. While is it plausible that a general model may be ...

   Meeting Document : WG-SAM-07/4 : Autor(es): A. Dunn, S.M. Hanchet, S.L. Ballara and M.P. Francis (New Zealand)

4. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season

   reference case resulted in a much higher estimate of initial biomass, though this appeared to be almost ... those presented in 2005. The inclusion of the 2005 tag-release and the 2006 tag-recapture data had a ... small effect that slightly modified estimates from the models, suggesting that the new data had a ... are also presented. Inclusion of all vessels tagging data resulted in a more optimistic assessment ...

   Meeting Document : WG-FSA-06/60 : Autor(es): A. Dunn and S.M Hanchet (New Zealand)

5. Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast

   likely to be foraged by predators from one year to the next, i.e. what is a predator’s feeding range ... location/time recordings from a satellite tracking system. This data is used to generate a map of feeding ... effort and this is used to delineate a feeding ground for Adélie penguins on the Mawson coast in eastern ... . summer vs winter. The second part is to establish the combined foraging ranges across a number of species ...

   Meeting Document : WG-EMM-02/41 : Autor(es): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)

6. Modelling Southern Ocean krill population dynamics: biological processes generating fluctuations in the South Georgia ecosystem

   Abstract:  Variability is a key feature of the pelagic ecosystems of the Southern Ocean and an ... dynamics in the observed variation. Here, analyses of a model of krill population development and predator ... . The krill population model was combined with a size-based selection function and used to generate ... expected length-frequency distributions in the predator diet through a summer season. Comparison of the ...

   Meeting Document : WG-EMM-01/53 : Autor(es): E. Murphy and K. Reid (United Kingdom)

7. Modelling the dynamics of krill populations in the Antarctic Peninsula region

   population dynamics of krill and estimate the expected mortality rates. A number of models of the population ... the bulk density estimates and uses a non-linear regression method to estimate the mortality rate. The ... second method develops a fully age-structured population model and uses only the recruitment data to ... develop a model of the long-term dynamics. Data on the recruitment of the first and second age groups were ...

   Meeting Document : WG-EMM-99/56 : Autor(es): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)

8. Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season

   Shirreff, Livingston Island, during the Antarctic season 1995/96 is given. During the present survey a ... total of 4 251 articles with a total weight of 65.8 kg were obtained. As occurred in previous seasons ... , the plastic was the principal item (4 015 pieces) with a 94.45%; followed by glass (147 pieces), 3.46 ... %; metal (77 pieces), 1.81%; and paper (12 pieces), with a 0.28% From the plastic item, those used in ...

   Meeting Document : CCAMLR-XV/BG/27 : Autor(es): Delegation of Chile

9. Establishing time-limited Special Areas for Scientific Study in newly exposed marine areas following ice shelf retreat or collapse in Subarea 48.1, Subarea 48.5 and Subarea 88.3 – Clarifications and options to further develop the 2015 proposal

   Abstract:  In 2015 the European Union proposed a draft Conservation Measure (CM) with the aim of ... for Scientific Study in such areas, with a designated 10-year study period during which time there ... would be a moratorium on all fishing activities, except for scientific research fishing activities ... undertaken in accordance with Conservation Measure 24-01. This proposal was developed following a ...

   Meeting Document : WG-EMM-16/27 : Autor(es): S. Grant and P. Trathan

10. Spawning pattern and type of fecundity in notothenioids collected around the Elephant and South Orkney Islands

    georgianus) was carried out, in females collected during a fishery research survey around the Elephant Island ... development, while the determination of RF was performed by a gravimetric method. Five were the main ... the less developed group showed a polymodal pattern in C. aceratus and N. rossi; (iii) in hydrated ... ovaries of P. georgianus a trimodal structure was visible, containing immature oocytes (<0.9 mm ...

    Meeting Document : WG-FSA-16/22 : Autor(es): G. Plaza, P.M. Arana, F. Becker, A. Zavatteri and V.H. Castillo

Páginas