Résultats de la recherche
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Comparison of long-term trends in abundance, recruitment and reproductive success of five populations of Pygoscelis penguins in the South Shetland Islands, Antarctica
penguins (P. antarctica). In general, the different trends in abundance and recruitment indices for each ... the South Shetland Islands may live under an increasingly krill-limited system that has ... Livingston Island, South Shetland Islands, Antarctica, were examined to compare up to 25 years of data on the ... disproportionate effects on the survival of juvenile birds. Author(s): J.T. Hinke (USA), K. Salwicka (Poland), S.G ...
Meeting Document : WG-EMM-06/21 : Auteur(s): J.T. Hinke (USA), K. Salwicka (Poland), S.G. Trivelpiece, G.M. Watters and W.Z. Trivelpiece (USA)
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A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago
to obtain in remote polar environments. The standard approach for income breeding pinnipeds, such as ... population dynamics in the South Shetland archipelago are largely driven by two breeding colonies, Cape ... last decade unmanned aerial systems (UAS), or drones, have become indispensable tools for wildlife ... Telmo Islands during the 2018-19 field season. The APH-28 provided a minimally-invasive, robust, and ...
Meeting Document : WG-EMM-2019/65 : Auteur(s): D.J. Krause and M.E. Goebel
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WG-SAM and WG-EMM 2014 Information Note
WG-SAM and WG-EMM 2014 Information Note 1. Dates WG-SAM: 30 June to 4 July 2014 WG-EMM: 7 to 18 ... in the Information brochure (1.41 MB). Please note that the Secretariat is not responsible for ... accommodation arrangements. 5. Computing facilitie s A wireless network will be in operation at all venues for ... overall daily usage will be monitored. Limited printing facilities for participants will be provided. 6 ...
Page : Site Section: Meetings
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CCAMLR-XI
List of participants CCAMLR-XI/BG/20 The United Nations Conference on the Environment and Development ... hoc working group to review the Ukraine proposal for a bottom trawl survey on Ob and Lena Banks ... for the Eleventh Meeting of the Commission for the Conservation of Antarctic Marine Living Resources ... CCAMLR-XI/02 Annotated Provisional Agenda for the Eleventh Meeting of the Commission for the Conservation ...
Meeting
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La pêche à la légine australe (Dissostichus eleginoides) à Kerguelen (secteur Indien de l'océan Austral)
Islands zone for 20 years, firstly with trawlers and more recently with longliners. It is the oldest ...
Meeting Document : WG-FSA-05/27 : Auteur(s): C. Lord, G. Duhamel et P. Pruvost (France)
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CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island
there was a marked change in two kinds of CPUEs, body length and greenness of krill during the fishing ... season, these parameters were examined for each 10-day period of the Japanese krill fishery in the ... from these data. The percentages of “Egui” as an indicator of greenness of krill were too variable ... among trawlers to be an objective indicator at present. File: 17-Endo-and-Ichii.pdf ... integrator. Two kinds of CPUEs, body length and greenness of krill were examined for each 10-day period ... Livingston Island as the area between 59°30'W and 61°30'W and between 61°30'S and 62°30'S (Figure 1). Two ... 50 40 l- 30 3 o l- ---J: U l- -< U 20 10 o E M JAN L E M FEB L E 10-DAY ... trawler for each 10-day period from January to March 1988. 333 20 10 o F ~~ w ~ <.::J a: f ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Auteur(s): Endo, Y. and T. Ichii
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CCAMLR-XVI
Secretary CCAMLR-XVI/BG/30 ON THE ESTABLISHMENT OF A CCAMLR DATABASE FOR MARINE DEBRIS SURVEYS Secretariat ... COMMISSION FOR THE CONSERVATION OF ATLANTIC TUNAS (ICCAT) CCAMLR-XVI/BG/15 REPORT ON ASSESSMENT AND AVOIDANCE ... AGENDA FOR THE SIXTEENTH MEETING OF THE COMMISSION FOR THE CONSERVATION OF ANTARCTIC MARINE LIVING ... RESOURCES CCAMLR-XVI/02 ANNOTATED PROVISIONAL AGENDA FOR THE SIXTEENTH MEETING OF THE COMMISSION FOR THE ...
Meeting
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Geographical differences in the condition, reproductive development, sex ratio and length distribution of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Subarea 88.1)
seasonally on Antarctic toothfish (Dissostichus mawsoni) from mid-December to early April during the 2000/01 ... to 2004/05 fishing seasons on board the autoliner San Aotea II have been analysed. Results of this ... study indicate measurable differences in a number of indices from toothfish found on the Ross shelf ... proper, as distinct from those sampled on the more isolated seamounts and features to the north. These ... Fulton’s condition index (K) has been calculated for the five sampling seasons. This index assumes an ... and southern data used in this paper were made using an unequal variances two-sample T-test ... . Table 4 shows the overall ratio of females to the total catch-weighted sample for each year from each ... significant for each sex (two-tail P < 0.001). Due to patterns of sampling forced by ice- clearance patterns ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 27–45 : Auteur(s): Fenaughty, J.M
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Performance metrics to index the spatial coverage of mark-recapture data
new biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two ... spatial coverage of fishing effort to recapture tagged fish is an important consideration when ... measures of spatial overlap and potential bias in the development of tag-based biomass estimates are an ... important focus topic for WG-SAM (SC-CAMLR-XXXIV, 2015, para 3.83). This paper outlines developments towards ...
Meeting Document : WG-SAM-16/13 : Auteur(s): C. Marsh, A. Dunn and S. Mormede
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DISCRIMINATION OF ENVIRONMENTAL VARIABLES THAT INFLUENCE THE CATCH PER UNIT EFFORT: THE CASE OF THE ANTARCTIC KRILL FISHERY
Abstract: The use of the catch per unit effort (CPUE) as an index of abundance usually requires a ... describe statistically the cause-effect relationship between two time-series and herein we propose that TFM ... are a valid tool for: i) discriminating environmental effects that influence the CPUE and ii ... Oscillation Index (AOI) and atmospheric pressure at sea level (APSL). TFM shows that the APSL, with an annual ...
Meeting Document : WG-EMM-11/P3 : Auteur(s): J.C. Quiroz, R. Wiff, M.A. Barrientos and F. Contreras