Résultats de la recherche

1. Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South Georgia shelf

   commercial concentrations of C. gunnari in years of high abundance of the species (1982/83, 1983/84 and 1986 ... considered in the paper. A distinct pattern of daily vertical migrations of C. gunnari was observed on the ... Paper Title:  Vertical migrations of mackerel icefish (Champsocephalus gunnari) on the South ... Georgia shelf Abstract / Description:  High values of coefficient of variation resulting from the ... and nototheniids in shelf waters of the South Georgia by means of trawl surveys. The assessment ... call for improvement of techniques in order to obtain reliable estimates. The objective of the ... evening hours and the gradual increase of catches in the morning indicates that fish migrate more rapidly ... highest. Therefore we did not observe any substantial differences in catches according to the time of day ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 3–14 : Auteur(s): Frolkina, J.A. and V.I. Shlibanov

2. Species identification illustrated guide of the Southern Ocean - CCAMLR convention area 48, 58, and 88

   species identification with real photographs in the Southern ocean. All of the photographs provided in ... superba) and longliner (Target species: Dissostichus spp.) of commercial fishery purposes in the Southern ... Abstract:  The purpose of this species identification illustrated guide is to facilitate by-catch ... ocean. The author welcome notification of any errors or possible improvement to this publication ...

   Meeting Document : WG-EMM-15/06 : Auteur(s): Delegation of the Republic of Korea

3. New data on spawning, hatching and growth of the Kerguelen Islands Champsocephalus gunnari shelf stock

   have been observed in mass only once during the studied period and are fishes of the 1988 cohort first ... Abstract:  Combined studies on the inner shelf and outer shelf of the Kerguelen islands (1989/90 ... annual cohort. Strong differences in abundance of larvae are observed yearly. One cohort seems dominant ... in the samples along the study. It would explain the previouly observed three years cycle. Spawners ...

   Meeting Document : WG-FSA-94/9 Rev. 1 : Auteur(s): G. Duhamel (France)

4. The BROKE-West acoustic krill biomass survey of CCAMLR Division 58.4.2

   krill in CCAMLR Division 58.4.2 (the South West Indian Ocean Sector) in January-March 2006. The survey ... limit can be established by CCAMLR.. The survey will be conducted from a single ship and will consist of ... comment in 1995 and suggested improvements have been incorporated into the final design. Author(s):  S ... is intended to produce a new estimate of B0 for this Division so that a revised precautionary catch ...

   Meeting Document : WG-EMM-05/11 : Auteur(s): S. Nicol, S. Kawaguchi, T. Jarvis and T. Pauly (Australia)

5. Integration of CPUE data into assessments using the generalised yield model

   integrate different indicators of stock status into assessments using the generalised yield model (GYM). In ... incorporating information on trends in standardised CPUEs into GYM assessments. The use of the method is ... Abstract:  For the last 3 years, WG-FSA has accorded high priority to development of a method to ... this paper, we propose a method, based on use of the sampling/importance-resampling algorithm, for ...

   Meeting Document : WG-FSA-00/39 : Auteur(s): G. Kirkwood (United Kingdom) and A. Constable (Australia)

6. The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island

   ability of CEMP data to detect change. The effect size that should prompt a response if observed in a ... results are obtained for a fixed co-efficient of variation of the temporal variability SD in relation to ... Abstract:  There are unresolved issues surrounding the use of power analyses for examining the ... parameter and the likely response of parameters such as arrival or fledgling weights are two of these issues ...

   Meeting Document : WG-EMM-03/49 : Auteur(s): L.M. Emmerson and C. Southwell (Australia)

7. Activity, seasonal site fidelity, and movements of Type-C killer whales between the Ross Sea, Antarctica and New Zealand

   , TCKW have been identified as one of the two top predator species in the Ross Sea most likely to be ... dives while in Terra Nova Bay (100-455 m) than on the northbound journey. A preliminary analysis of ... between the Ross Sea and New Zealand, but also emphasises the urgent need to re-evaluate the profile of ... TCKW may use small-scale areas in this highly productive ecosystem intensely for a period of days to ...

   Meeting Document : WG-EMM-15/52 : Auteur(s): R. Eisert (New Zealand), G. Lauriano, S. Panigada (Italy), E.N. Ovsyanikova, I.N. Visser, P.H. Ensor, R.J.C. Currey, B.R. Sharp and M.H. Pinkerton (New Zealand)

8. Potential impacts of climate change on the Southern Ocean ecosystem

   in surface waters of the Southern Ocean around Antarctica, threatening this highly productive system ... little studied) CO2 sink in the Southern Ocean, resulting in a series of feedback loops accelerating ... with severe and permanant collapse. Pivotal to this process is a diminution of the important (but ... consequences. Author(s):  R.G. Chittleborough (Australia) Title:  Potential impacts of climate change on the ...

   Meeting Document : CCAMLR-VIII/BG/21 : Auteur(s): R.G. Chittleborough (Australia)

9. Recent British Antarctic Survey publications relevant to the agenda of WG-EMM 2013

   related to feedback management: “review of spatial and temporal structure in the ecosystem in which the ... Abstract:  WG-EMM has a broad agenda for discussions in 2013, including the following items ... current Area 48 fishery operates” and “development of agreed decision-making mechanisms for the candidate ... have been studying the structure and operation of this ecosystem for several decades. Some of this work ...

   Meeting Document : WG-EMM-13/21 : Auteur(s): Delegation of the United Kingdom

10. On the estimation of some demographic parameters for Adelie penguins

    factors of lower adult survival rates in the year of first breeding, and the possibility that such ... discussions on the likely levels of measurement error in the observational data. Author(s):  Thomson, R.B ... Abstract:  A population dynamics model for Adelie penguins is developed which takes account of the ... breeding may be deferred one year if conditions are poor. A Bayesian approach for estimation of the model ...

    Meeting Document : WG-EMM-95/42 : Auteur(s): Thomson, R.B., Butterworth, D.S.

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