Résultats de la recherche
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Unmanned Aerial Vehicles based monitoring of indicator species populations on King George Island (Subarea 48.1)
study distribution and size of three Pygoscelis penguin species on King George Island (Subarea 48.1) in ... the austral summer 2014/15 season. During photogrammetric flights the high-resolution images of the ... penguin breeding colonies were taken. Obtained images were used for estimation of population size and ... compared with the results of measurements taken at the same time from the ground level. During expedition ...
Meeting Document : WG-EMM-15/48 : Auteur(s): M. Korczak-Abshire, A. Zmarz, R. Storvold, M. Rodzewicz, K. Chwedorzewska, A. Kidawa and A. Znój (Poland)
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Analysis of the krill fishery in Subarea 48.1 considering trawl fishing method used (2010–2016)
Abstract: An analysis of spatio-temporal variability of CPUE indices in the krill fishery in ... variability with account of the fishing method used is presented. Particular attention is paid to the fishery ... in the Bransfield strait, where the main fishery in Subarea 48.1 is concentrated The possibility of ... using the standardized CPUE indices as krill biomass density indices for monitoring the variability of ...
Meeting Document : WG-EMM-17/27 : Auteur(s): S. Kasatkina S. and L. Boronina
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A preliminary proposal to conduct a local survey of the Champsocephalus gunnari by the midwater trawl in the Statistical Subarea 48.2
Abstract: Mackerel icefish (Champsocephalus gunnari) – one of the most common and widespread ... species of Antarctic fish. Ukraine proposes survey of Champsocephalus gunnari at previously scheduled ... stations (trawlings) points in the statistical Subarea 48.2. The main objective of the research is to ... determine the distribution and abundance of mackerel icefish in Subarea 48.2. Author(s): Delegation of ...
Meeting Document : WG-SAM-2019/24 : Auteur(s): Delegation of Ukraine
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Preliminary assessment models of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea including data from the 2005/06 season
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... in a similar, though slightly higher, estimate of initial and current biomass as the 2005 base case ... model. The inclusion of the 2005 release and the 2006 recapture data had the effect of only slightly ... modifying the estimates from the models, suggesting that the new data had a similar pattern to that of ...
Meeting Document : WG-FSA-SAM-06/11 : Auteur(s): Dunn, A. & Hanchet, S.M.
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An assessment strategy evaluation framework for testing the application of a CASAL based management system to the HIMI fishery
Abstract: A useful way of testing assessment methodology and related decisions is through the ... framework of management strategy evaluation and the simpler form of assessment strategy evaluation. Such a ... framework uses an operating model of the system to generate data against which the assessment model, or the ... entire management system can be evaluated against a number of suitably chosen performance measures. This ...
Meeting Document : WG-SAM-07/13 : Auteur(s): I.R. Ball and S.G. Candy (Australia)
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Verification of the CMIX procedure on species with known age-length keys
Abstract: Calculation of age composition of density-at-length data produced during inventory ... surveys using the method of W.K. de la Mare (1994) is a conventional procedure in the WG-EMM and WG-FSA ... practice. Verification of the method was made on the materials on the Baltic cod collected in the ICES ... out by research vessels of Russia and other countries were used. It has been shown that divergence in ...
Meeting Document : WG-FSA-SAM 03/5 : Auteur(s): P. Gasiukov (Russia)
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Preliminary results on the diet of the snow petrel Pagodroma nivea at Laurie Island, Antarctica, during the 1997/98 breeding season
Abstract: The diet of the Snow Petrel Pagodroma nivea was investigated at Laurie Island, South ... Orkney Islands, (60¡46'S, 44¡42'W), Antarctica, over the period January-February of 1998 ... . Stomach contents and regurgitates of adults were sampled during the chick-rearing period. Fish, followed ... further studies on the composition of the diet of the Snow Petrel as well as on the distribution and ...
Meeting Document : WG-EMM-00/11 : Auteur(s): G. Soave, V. Ferretti, N. Coria and R. Casaux (Argentina)
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An exact time of release and recapture stock assessment model applied to Macquarie Island Patagonian toothfish (Dissostichus eleginoides)
Abstract: This paper presents an assessment of the harvested population of Patagonian toothfish ... fishing season. Population models that include dynamics of tagged and un-tagged fish, daily releases ... , catches, recaptures, natural mortality, and annual net recruitment are used to assess the population of ... one of the main fishing regions of Macquarie Island: Aurora Trough. The pre-tagging abundance is ...
Meeting Document : WG-FSA-00/43 : Auteur(s): G. Tuck, W. de la Mare, W. Hearn, R. Williams, A. Smith, X. He and A. Constable (Australia)
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THE USE OF PATENT DATABASES TO DETECT TRENDS IN THE KRILL FISHERY
over the utility of these sources of information to detect trends, and of the need to obtain more ... number and type of patents related to krill that are lodged annually. This information matches well with ... database be taken over by the Secretariat so that they can maintain an annual register of krill related ... patents which will be of use for indicating future trends in the krill fishery. Author(s): Delegation of ...
Meeting Document : SC-CAMLR-XXVIII/BG/15 : Auteur(s): Delegation of Australia
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ON INCIDENTAL MORTALITY OF ANTARCTIC KRILL AT KRILL FISHERY
Abstract: Analysis of the Antarctic krill (Euphausia superba) commercial and research fishery in ... 1970-ies and 1980-ies showed that different modifications of midwater trawls applied had comparatively ... 40-50% of the «percolated» individuals were injured, at the same time while «punched» through small ... meshes of the trawl codend 60 to 100% of individuals perished. There are two main aspects of this problem ...
Meeting Document : WG-EMM-09/11 : Auteur(s): L. Pshenichnov (Ukraine)