Resultados de la búsqueda
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Temporal scales of foraging in a marine predator: implications for interpreting the distribution of prey
must be able to adapt quickly to changes in the spatial patterning of prey. Antarctic fur seals feed ... km) represented by short (5 rain) travel durations. In a study lasting 5 years, the distributions of ... prey patches at the meso-scale level. Only in one year of the study (1990/91) were there indications ... reduction in the number of prey patches available in that year but that prey patches were of poorer quality ...
Meeting Document : WG-EMM-95/23 : Autor(es): Boyd, I.L.
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Antarctic krill, Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector of Antarctica)
, duration of E.superba life cycle somewhat exceeds 5 years in the Sea of Cosmonauts and 6 years in the Sea ... of Sodruzhestvo. E.superba growth rate ranges from 0.126- 0.133 mm per day in the first year 0f life ... are noted between E.superba age composition and its spawning efficiency in coastal areas of the Seas ... , Euphausia superba Dana, demography studies in the seas of Sodruzhestvo and Cosmonauts (Indian Ocean sector ...
Meeting Document : WG-KRILL-93/45 : Autor(es): E.A. Pakhomov (Ukraine)
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Population assessment of Patagonian toothfish in the north of Subarea 48.4 – 2010 update
. eleginoides tag recaptures in 2009/10, a total of 72 in all seasons; The length-frequency of 2009/10 captures ... currently assumed for the 48.3 population CASAL estimates of D. eleginoides population size in the North of ... 48.4 are very similar to that from the previous season with a B 0 of 1,123 t (compared to 1,127 t in ... and D. Agnew (UK) Title: Population assessment of Patagonian toothfish in the north of Subarea 48.4 ...
Meeting Document : WG-FSA-10/39 : Autor(es): J. Roberts and D. Agnew (UK)
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Research plan for the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2: Update of stage 2 (2013/14 season) and preliminary results of stage 1 (2012/13 season) according to WG-SAM advice
completed in each of the SSRU surveyed (58.4.1H and 58.4.1G). Three prospecting-phase clusters of sets did ... analysis of relevant sea-ice conditions in the last 11 seasons in these areas along with a summary of the ... Abstract: A revision of the research plan and preliminary results of the Spanish exploratory ... longline fishery for Dissostichus spp in Divisions 58.4.1 and 58.4.2, submitted to the XXXII-WG-SAM, taking ...
Meeting Document : WG-FSA-13/15 : Autor(es): R. Sarralde, L.J López Abellán and S. Barreiro (Spain)
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Plan of research program of the Russian Federation in Subarea 48.5
subareas, where stock assessment should be carried out. In spite of hard ice conditions at most part of the ... promising area for exploratory fishery of Dissostichus sp. However, fishery in Subarea 48.5 is closed on the ... -year research program in the Weddell Sea that is prospected for 3-5 years. Detailed plan of fishing ... Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ...
Meeting Document : WG-FSA-16/15 Rev. 1 : Autor(es): Delegation of the Russian Federation
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Recent trends in numbers of four species of penguins at the Prince Edward Islands
pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ... colonies where there was a progressive decrease in the density of nests. At both these colonies decreases ...
Meeting Document : WG-EMM-10/P01 : Autor(es): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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ASSESSMENT OF SPATIAL-TEMPORAL DYNAMICS OF STANDARDIZED CPUE FOR KRILL FISHERY IN THE AREA 48
Abstract: The spatial-temporal dynamics of standardized abundance indices of krill in Area 48 ... normal distribution. In this study the approaches to improve the diagnostics of GLLM tuning by using ... additional the long-term patterns of krill fishery in the Subareas 48.1-48.3 were studied taking in account ... yesteryear the authors revealed “diagnostics specificity” of GLMM tuning for CPUE standardization: many hauls ...
Meeting Document : WG-EMM-11/28 : Autor(es): S.M. Kasatkina and P.S. Gasyukov (Russia)
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... Abstract: Results of the inventory trawling survey of icefish carried out by Russian vessel STM ... -8390 Atlantida in February 2002 in Subarea 48.3 are presented. During this period, the fish were mainly ...
Meeting Document : WG-FSA-02/79 : Autor(es): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Preliminary assessment of long-term yield of Patagonian toothfish (Dissostichus eleginoides) for the Heard Island region (CCAMLR Division 58.5.2) based on a random stratified trawl survey in June 2005
58.5.2 in the vicinity of Heard Island in June 2005 to provide the information for an assessment of short ... -term annual yield in the 2005/2006 CCAMLR season. This paper provides a preliminary assessment of yield ... Abstract: A survey of Patagonian toothfish, Dissostichus eleginoides,was undertaken in Division ... for the area of Division 58.5.2 to the west of 79°20’ E using standard CCAMLR methods. It also ...
Meeting Document : WG-FSA-05/30 : Autor(es): A.J. Constable, T. Lamb and R. Williams (Australia)
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Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco Coast, Antarctic Peninsula
potential to act as ecological indicators. The western Antarctic Peninsula is one of the three sites in the ... penguin (Pygoscelis papua) in the northern sector of the Danco Coast, north-west of the Antarctic ... in relation the 1998. Since the effects of climate change and human harvesting could confound ... (Argentina) Title: Abundance and reproductive distribution of Pygoscelids sp. in the northern area of Danco ...
Meeting Document : WG-EMM-12/58 : Autor(es): M.M. Santos, E.F. Rombolá, D. González-Zevallos, M.A. Juáres, J. Negrete and N.R. Coria (Argentina)