Résultats de la recherche

1. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

   tagging levels that will produce an expected abundance estimate in the following year of a given precision ... Paper Title:  Assessment and tag program adaption methods for exploratory fisheries in the CAMLR ... exploratory stocks in the CAMLR Convention Area. The assessment methodology is designed to be able to ... whilst ensuring the sustainable exploitation of the stock as per the CCAMLR management procedure. The ... assessment and adaption of catch limits and tagging rates is presented for new and exploratory stocks in the ... will produce an expected abundance estimate in the following year of a given precision whilst ensuring ... 102 introduction Many of the major fisheries for Dissostichus spp. in the CAMLR Convention Area ... in the case of by-catch species (Agnew et al., 2006) and for new and exploratory fisheries, then it ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Auteur(s): Hillary, R.M

2. BioRoss – New Zealand funded marine biodiversity research in the Ross Sea region

   programme is to develop a more complete understanding of the biodiversity present in selected marine ... communities in the Ross Sea, allowing better management, and to facilitate better state of the environment ... Abstract:  This paper summarised progress made in the BioRoss marine biodiversity research ... programme administered by the New Zealand Ministry of Fisheries since 2000. The objective of the BioRoss ...

   Meeting Document : WG-FSA-04/60 : Auteur(s): J. Burgess (New Zealand)

3. Reproduction in the mackerel icefish (Champsocephalus gunnari) at South Georgia

   macroscopic examination of gonads. Evidence in support of the hypothesis that a proportion of mature fish fail ... Abstract:  Sexual maturation in the Mackerel Icefish, Champsocephalus gunnari, was studied by ... . Cielniaszek and J. Szlakowski (Poland) Title:  Reproduction in the mackerel icefish (Champsocephalus gunnari ... to spawn was obtained. Histological examination of ovaries indicates that some ova were undergoing ...

   Meeting Document : WG-FSA-91/07 : Auteur(s): I. Everson (United Kingdom), K.-H. Kock (Germany), G. Parkes (United Kingdom), D. Cielniaszek and J. Szlakowski (Poland)

4. Foraging patterns in the Antarctic Shag Phalacrocorax bransfieldensis at Harmony Point, Antarctica

   the nests) by incrementing the number of daily foraging  trips and the daily time invested in foraging ... Abstract:  During the 1995 and 1996 summer seasons the foraging patterns of the Antarctic Shag ... foraged once a day, females early in the morning and males when their partners returned to their nests ... . Compared to  those periods, when rearing chicks parents incremented the number of daily foraging  trips ...

   Meeting Document : WG-EMM-18/03 : Auteur(s): R. Casaux and M.L. Bertolin

5. Champsocephalus gunnari stock status in the South Georgia area

   intensity (F) in a predicted period was equal to the average value of fishing mortality: (b) For the ... predicted period fishing intensity was at the level of that in 1987/88; (c) For the predicted period fishing ... Paper Title:  Champsocephalus gunnari stock status in the South Georgia area Abstract ... intensity was F 0.1. In the first two cases TAC=25-30 thousand tonnes and stock size does not change. For ... fishing intensity was at the level of that in 1987/88; ( c ) For the predicted period fishing intensity ... THE SOUTH GEORGIA AREA R. Borodin, P. Kochkin Abstract Data of age composition and fishing ... , using F regression on fishing effort and method of average weighted F. For 1986/87 the values ... predicted period was equal to the average value of fishing mortality: ( b) For the predicted period ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 1-18 : Auteur(s): Borodin, R. and P. Kochkin

6. Preliminary report on IWC-SO GLOBEC collaborative research in the western Antarctic Peninsula study area, March–June 2001

   analysis planned between IWC and SO GLOBEC in 2001. The 2002 series of cruises will further test these and ... Abstract:  The first three cruises in the 'year round' Southern Ocean GLOBEC series for ... passive acoustic team. The most frequently recorded and abundant baleen whale species in the study area ... current, and upwelling of this cold water produced by intrusions of the Antarctic Circumpolar Current into ...

   Meeting Document : SC-CAMLR-XX/BG/29 : Auteur(s): Observer (IWC)

7. Problems in estimating population length at age from commercial catches, the Patagonian toothfish as an example

   Abstract:  Age based fishery population models require information on size at age of the fished ... population and the commercial catch. Age-length keys can be produced by standardised random sampling of the ... commercial catches. This information does not necessarily reflect the size at age of the fished population ... and may be seriously biased. Through the use of a model, and using the Patagonian toothfish as an ...

   Meeting Document : WG-FSA-01/17 : Auteur(s): I. Everson (United Kingdom)

8. Phytoplankton distribution in the mixed layer: implication to krill abundance

   distribution of phytoplankton in the Antarctic Ocean. Since little is known about mixed layer dynamics in the ... . However, the effect on the dynamics is vital, affecting the distribution of particles in the upper ocean ... Paper Title:  Phytoplankton distribution in the mixed layer: implication to krill abundance ... Abstract / Description:  A one dimensional Lagrangian model of random walk is presented to study the ... effect on the dynamics is vital, affecting the distribution of particles in the upper ocean. Resume ... has been an increasing interest in the variability of biological marine resources, but little ... progress toward accurate predictions of productivity has been made. The major difficulty arises in ... ensemble method lies in its potential for testing the consequences of different hypotheses concerning the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 331–356 : Auteur(s): Yamazaki, H. and T.R. Osborn

9. Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?

   by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... 25 years later WG-FSA is still not in the position to estimate the amount of fish by-catch reliably ... and to decide on the significance of the problem. Modelling approaches conducted recently in Norway to ... well-known from Polish investigations in the late 1970s and the 1980s and from Japanese, Ukrainian, and ...

   Meeting Document : WG-FSA-14/66 : Auteur(s): K.-H. Kock (Germany) and C.D. Jones (USA)

10. Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17

    effective tagging survival and tag detection rates, both of which have decreased in the recent years ... of non-convergence in the key biomass parameters. The precautionary yield, using the CCAMLR decision ... Abstract:  We provide an update of the Bayesian sex and age structured population stock assessment ... for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region (Subareas 88.1 and SSRUs 88.2A–B ...

    Meeting Document : WG-FSA-17/37 Rev. 1 : Auteur(s): S. Mormede

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