Resultados de la búsqueda
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Annual variation in the timing of reproduction in Antarctic fur seals (Arctocephalus gazella) at Bird Island, South Georgia
, which is less synchronous within years than female arrival, was significantly later in 1987 than in any ... usually started when 80% or more of potential territory sites were occupied by males. Cows arrived ... other year. Female arrival, estimated by pup birth date where necessary, was highly synchronous: it ...
Meeting Document : WG-CEMP-90/39 : Autor(es): C.D. Duck (United Kingdom)
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CCAMLR-IWC-WS-08
the CCAMLR-IWC Workshop CCAMLR-IWC-WS-08/02 CCAMLR-IWC Workshop to review input data for Antarctic ... Report of review group of data sources on odontocetes in the Southern Ocean in preparation for IWC/CCAMLR ... ., Pshenichnov, L., Barrera-Oro, E. CCAMLR-IWC-WS-08/10 Review of input data for Antarctic ecosystem models ... Expert Group Report to the CCAMLR-IWC Workshop to Review Input Data for Marine Ecosystem Models, Hobart ...
Meeting
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WG-EMM-98
): Monday, 10 August 1998 to Thursday, 20 August 1998 Submissions Due: Monday, 27 July 1998 Meeting ... documents Doc Number Title WG-EMM-98/01 Provisional and Annotated Provisional Agenda for the 1998 Meeting of ... -EMM-98/06 Development of standard methods for environmental data Secretariat WG-EMM-98/07 Rev. 1 ... Report on fine-scale krill data for the 1996/97 season Secretariat WG-EMM-98/08 Status and trends of ...
Meeting
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Fishery Report: Dissostichus eleginoides South Sandwich Islands (Subarea 48.4)
Subarea 48.4. Fishing is limited to the area between latitudes 55°30'S and 57°20'S and longitudes 25°30 ... 'W and 29°30'W (box). 1.1 Reported catch 6. Licensed longline vessels commenced fishing for D ... Dissostichus eleginoides by longline only. Fishing limited to area bounded by latitudes 55°30'S and 57°20'S ... and by longitudes 25°30'W and 29°30'W. Revise Catch limit Precautionary catch limit for D ...
Document : Site Section: Publications
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Management of C. gunnari in Subarea 48.3
ecosystem than we have at present. There is therefore a need for an interim approach to setting ... precautionary catch limits for this fishery. An approach based on the general yield model is described, which ... increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ...
Meeting Document : WG-FSA-97/38 : Autor(es): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
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A proposal methodology to assess the Patagonian toothfish stock abundance at CCAMLR Subarea 48.3 using ASPM
Abstract: The ASPM is an integrated modeling technique used in stock assessment of different D ... information sources, such as catch and age and size data from fishing fleet, surveys and others abundance ... 48.3 shows an acceptable fit to CPUE series and catch-length-proportions (WG-FSA-SAM 05/5 and WG-FSA-05 ... /73). In this paper the methodology and assumptions for the 2006 TOP assessment at CCAMLR Subarea 48.3 ...
Meeting Document : WG-FSA-06/59 : Autor(es): O.C. Wöhler and P.A. Martínez (Argentina)
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A RE-ANALYSIS AND UPDATE OF THE ANTARCTIC KRILL BIOMASS IN THE SOUTH SHETLAND ISLANDS, THROUGH 2011
-based estimates of krill density and recruitment are recalculated for the years 1996 through 2011 ... based data show that 2011 was a year of good recruitment, following two years of low recruitment. Krill ... . Recent changes in the acoustic methodology and target strength models are the basis for the recalculation ... . The time series of acoustic biomass indicate that krill have varied by more than an order of magnitude ...
Meeting Document : WG-EMM-11/26 : Autor(es): A. Cossio, C. Reiss and R. Driscoll (USA)
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Foraging location and range of white-chinned petrels Procellaria aequinoctialis breeding in the South Atlantic
covered at night (47%) was the same. Mean (31- 34 km/h) and maximum (80 km/h) flight velocities were ... extensively. Most locations were between 30° to 55 °W and 52 °to 60 0W around South Georgia/Shag Rocks and ...
Meeting Document : WG-FSA-99/20 : Autor(es): S.D. Berrow, A.G. Wood and P.A. Prince (United Kingdom)
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Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets
biomass in the following year. Similar recruitment failure in the same years is evident in krill ... scientific nets from the same area over the summers of 1991-1997. In comparing the 5 years with both predator ... in 1991 and 1994, both years of low krill biomass at South Georgia. In both of these years large ... and thereafter increased steadily to 1997. Using these data in conjunction with putative size/age ...
Meeting Document : WS-AREA 48-98/15 : Autor(es): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)
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Proposals on standardization of toothfish resource research
efforts by years and research blocks do not allow obtaining scientific-based data for understanding the ... discussed in the context of discussion at the Scientific Committee and the CCAMLR Commission in 2018 ... accompanied by standard procedures for trawl adjusting and monitoring of its parameters. These procedures are ... mandatory for all ships participating in the survey. At the same time, methodological aspects of the multi ...
Meeting Document : WG-SAM-2019/34 : Autor(es): S. Kasatkina