Résultats de la recherche
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POPULATION ASSESSMENTS OF GENTOO PENGUINS (PYGOSCELIS PAPUA) BREEDING AT AN IMPORTANT ANTARCTIC TOURIST SITE, GOUDIER ISLAND, PORT LOCKROY, PALMER ARCHIPELAGO, ANTARCTICA
Abstract: Goudier Island is located in the Palmer Archipelago, to the west of the Antarctic ... Peninsula; it is one of the most frequently visited tourist sites in Antarctica. A number of gentoo penguin ... (Pygoscelis papua) breeding colonies are located on the island and these have been the focus of one of the ... longest running experiments to examine the impacts of tourist numbers upon penguin breeding performance ...
Meeting Document : WG-EMM-09/P07 : Auteur(s): P.N. Trathan, J. Forcada, R. Atkinson, R.H. Downie and J.R. Shears
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The use of Port State measures to improve fisheries compliance at the international levelIssues and instruments – the CCAMLR case
approaches to port State control in order to avoid the development of “ports of convenience” and improve ... fisheries compliance. Possible approaches include the development of regional Memoranda of Understanding ... ) fishing. CCAMLR is generally regarded as a good regional model in the area of port State control. Hence ... , to encourage the application of similar approaches in those Regional Fisheries Management ...
Meeting Document : CCAMLR-XXV/BG/29 : Auteur(s): Submitted by ASOC
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Report on attendance at the Seventh Meeting of the Committee for Environmental Protection under the Madrid Protocol
Committee Title: Report on attendance at the Seventh Meeting of the Committee for Environmental Protection ... Abstract: This report outlines the participation of the SC-CAMLR Chair in the Seventh Meeting of ... issues of relevance to SC-CAMLR are: (a) The CEP again addressed the issue of establishing ‘Specially ... components of the revised text on which there was no agreement about the technical or legal nature of the ...
Meeting Document : CCAMLR-XXIII/BG/07 : Auteur(s): Chair of the CCAMLR Scientific Committee
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The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island
Abstract: There are unresolved issues surrounding the use of power analyses for examining the ... ability of CEMP data to detect change. The effect size that should prompt a response if observed in a ... parameter and the likely response of parameters such as arrival or fledgling weights are two of these issues ... . Understanding the source of the variability required to generate ‘noise’ for the power analysis simulations is ...
Meeting Document : WG-EMM-03/49 : Auteur(s): L.M. Emmerson and C. Southwell (Australia)
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Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)
in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies on ... Nelson Island, South Shetland Islands, southern Atlantic sector of Antarctica, which was observed during ... the 1990s up to the mid 2000s over an overall monitoring period of over two decades. It addresses ... correspondence between long-term population trends of inshore demersal fish and inshore-feeding Antarctic shags ...
Meeting Document : WG-EMM-16/P09 : Auteur(s): R. Casaux and E. Barrera-Oro
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Fitting a von Bertalanffy growth model to length-at-age data accounting for length-dependent fishing selectivity and length-stratified sub-sampling of length frequency samples
Abstract: Response-biased sampling in the context of regression modelling occurs when sample ... units are selected with a probability that is a function of the response. In sampling to obtain fish to ... process involving a particular gear, and (ii) the method of on-deck sub-sampling fish for ageing from the ... random length frequency sample. When the selectivity of the gear combined with availability of fish to be ...
Meeting Document : WG-FSA-SAM-05/13 : Auteur(s): S.G. Candy (Australia)
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Distribution of Soviet commercial fleet at krill fishery in the South Orkneys subarea (Subarea 48.2) during 1989/90
Abstract: The results of analysis of haul by haul catch statistics of Soviet commercial fleet ... . Actually during the whole season fishing vessels worked in one fishing ground off the north-western edge of ... 6.9-7.1 t/hour by May-June. Stability of the fishing ground is stipulated by peculiarities of the area ... hydrodynamics, such as availability of sustained doubling current around Islands and high water disturbance ...
Meeting Document : WG-EMM-97/50 : Auteur(s): Sushin, V.A.
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At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
Abstract: Commercial fisheries may impact marine ecosystems and affect populations of predators ... superba that is projected to increase further. Comparing distribution and prey selection of fishing ... the ones breeding far away and that disperse during the non- overlap between the distribution of the ... Antarctic krill fisheries and the distribution of a krill dependent seabird, the Antarctic petrel ...
Meeting Document : WG-EMM-16/P15 : Auteur(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe
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Assessments of by-catch in trawl fisheries at Heard and MacDonald Islands
Abstract: This paper provides an assessment of the long-term annual yield for three species ... undertaken with the aim of examining the potential for the commercial trawl fisheries to significantly affect ... the spawning biomass of these stocks in the longer term. The long-term annual yield for each of the ... literature. The second part of the analysis examined the amount of each species caught in the commercial ...
Meeting Document : WG-FSA-97/30 : Auteur(s): de la Mare, W.K., Williams, R., Constable, A.
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Report on attendance at the Sixth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
. Author(s): Chair of the CCAMLR Scientific Committee Title: Report on attendance at the Sixth Meeting of ... Abstract: This report outlines the participation of the SC-CAMLR Chair in the Sixth Meeting of ... issues of relevance to SC-CAMLR are: (a) The CEP again addressed the issue of establishing “Specially ... Protected Species”. They recognized that the ATCM had agreed to “take early steps to seek the agreement of ...
Meeting Document : CCAMLR-XXII/BG/11 : Auteur(s): Chair of the CCAMLR Scientific Committee