Resultados de la búsqueda
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Hydrographic conditions around Elephant Island during austral spring 1994
Abstract: Based on a data set sampled during November/December 1994 in the Elephant Island ... colder than in previous years in the Elephant Island Plateau Region. Since the data base available to the ... , it is recommended to do a cooperative analysis of data sampled throughout the years in the Elephant ...
Meeting Document : WG-EMM-95/16 : Autor(es): Stein, M.
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Peak mortality of krill, fished with midwater trawls and feasible criteria of krill trawls ecological safety
elimination probability caused by cath and mortality in fishery operations. The coefficient of trawl ... calculated gross removal estimate exceeded the catch rate, based on commercial data in December 1984 in the ... South-Shetland area, only in 1,5- 26 %, depending on the fishing intensity, i.e. it was within the range ...
Meeting Document : WG-KRILL-93/34 : Autor(es): Yu. V. Kadilnikov (Russia)
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Age and growth of Antarctic Euphausiacea (Crustacea) under natural conditions
years for the krill Euphausia superba. Growth in length and weight was calculated by non-linear ... regressions. No difference in growth of krill were observed between the Antarctic Peninsula area and the ... and generation time of each species is given. In general, Antarctic euphausiids seem to remature and ... spawn at least twice and in some cases three times during their life, except for E. frigida which spawns ...
Meeting Document : SC-CAMLR-VI/BG/24 : Autor(es): V. Siegel (FRG)
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A fish stock assessment survey design for Subarea 48.1
Abstract: There is a lack of information regarding the abundance of exploitable finfish in ... Subarea 48.1. A comprehensive, bottom trawl survey offish stocks in Subarea 48.1 would make it easier for ... the Working Group on Fish Stock Assessment to assess the stocks in this region and assist the ... Scientific Committee in giving management advice to the Commission. A stratified random survey is proposed ...
Meeting Document : WG-FSA-92/07 : Autor(es): G. Watters (USA)
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Status Report – Macquarie Island Toothfish Fishery
Abstract: At the recent CCAMLR Symposium held in Chile in May 2015, an issue that was discussed ... was improving CCAMR’s outreach and cooperation. In this context some participants suggested that it ... fisheries outside the CCAMLR Area. In response to the discussion at the Symposium Australia has compiled a ...
Meeting Document : CCAMLR-XXXIV/BG/19 : Autor(es): Delegation of Australia
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Information from repeat acoustic transects to inform feedback management strategies: data for SG-ASAM 2016
lack of sufficient data exists from which to examine its efficacy. In addition to the time/monetary ... . AMLR Program in Sub-area 48.1, can provide background information to help develop these feedback ... approaches. In this paper I present some basic information from data collected by the U.S. AMLR Program along ... the SG-ASAM Meeting for investigation of potential utility in formulating plans for development ...
Meeting Document : SG-ASAM-16/04 : Autor(es): C.S. Reiss
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Density and geographical distribution of krill larvae on the Weddell – Scotia Confluence region during summer 2011
Abstract: The analysis of euphausiid larvae collected during january 2011 in the Weddell Scotia ... Confluence region show a strong decrease in the abundance of Euphausia superba larvae and an increase in ... observed during the cruise were compared with densities obtained in 1981 and 1995 calculating expected ...
Meeting Document : WG-EMM-16/51 : Autor(es): E. Rombolá, C. Franzosi, G. Tossonotto, V. Alder and E. Marschoff
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An update on using the CCAMLRGIS R package to create polygon data and access data on the CCAMLR online GIS
Abstract: To facilitate access to spatial data for use in analyses and generating graphics (i.e ... . maps) in R the CCAMLRGIS R package has been upgraded to provide direct access to polygon data that can ... used directly in R or be output as shapefiles that can be loaded into other programs and/or back onto ... the online GIS. In this paper we provide information on the data format requirements for generating ...
Meeting Document : WG-SAM-17/47 : Autor(es): CCAMLR Secretariat
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Outline for year 3 of the 3-year longline survey to determine toothfish population connectivity between Subareas 48.2 and 48.4
third year of an agreed 3-year longline survey, in the wider context of connecting the recently ... undertaken surveys in Subarea 48.2 with the established fishery in Subarea 48.4. The overall research ... Dissostichus sp population structures in this region, and improving available data on bathymetry and associated ...
Meeting Document : WG-SAM-18/15 : Autor(es): M. Söffker and M. Belchier
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ADÉLIE PENGUIN SURVIVAL: AGE STRUCTURE, TEMPORAL VARIABILITY AND ENVIRONMENTAL INFLUENCES
-Seber model by incorporating age structure in recapture and survival sub-models. By including model ... ice present in their winter foraging grounds. In contrast, fledgling and yearling survival depended on ... other factors in addition to the physical marine environment and outcomes of the previous breeding ... survival for the younger penguins whereas either too little or too much ice (between 15 and 80% cover) in ...
Meeting Document : WG-EMM-11/P4 : Autor(es): L. Emmerson and C. Southwell