Resultados de la búsqueda
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PREDICTING THE VULNERABILITY OF BRYOZOANS AND SPONGES TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
characteristics and their relationships with physical and chemical variables were undertaken for habitat-forming ... age and a strong positive relationship between growth rate and temperature. A multiple regression ... model suggests that Southern Ocean bryozoans may take more than 50 years to recover following ... disturbance. Demosponges showed a strong positive relationship between maximum size and age while there were ...
Meeting Document : WS-VME-09/12 : Autor(es): Martin-Smith, K.
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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
), as a function of the fraction of the biomass estimate which is set as the catch for a 20-year period ... et al. (1992) put forward an extension of the harvesting model of Beddington and Cooke (1983) to ... over the ranges of uncertainty for a number of model parameters. Results are provided for the ... a summer harvest. However, the imposition of an upper bound of 1.5 yr-1 on the effective annual ... biomass estimate which is set as the catch for a 20-year period. Three possible fishing seasons are ... drawn at random from pre-specified distributions for each simulation of a 20-year period of harvesting ... any year, an upper bound of 1.5 yr-l is placed on the effective annual fishing mortality for fully ... ) requested that statistics be provided for a 10- as well as a 20-year period of harvesting. Calculations ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Autor(es): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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CCAMLR Statistical Bulletin, Vol. 31
Description / Abstract: CCAMLR Statistical Bulletin Volume 31 is available as an interactive ... the CCAMLR fishery webpages. The data structure in these tables is the same as that used for the csv ... ‘Statistical Bulletin Menu’ tab on the welcome page (top, right). The Bulletin menu has tabs for the ... Bulletin The Statistical Bulletin is published annually and contains: · Catch and effort statistics for ... an update to Statistical Bulletin Volume 31 after review by the CCAMLR Data Services Advisory ... from an aircraft, truck, train or vessel. 3 alpha code for the toothfish species exported (i.e ... reported for each species of toothfish (D. eleginoides and D. mawsoni) by calendar year since 2000. The ...
Document : Site Section: Data
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The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
biomass of the Western Antarctic Peninsula region, and serve as focal animals for our Long Term Ecological ... Research (LTER) study of the effects of environmental variability on animal populations in the Antarctic ... Bellingshausen Seas, respectively. We propose that these pack ice areas are the wintering grounds for each ... breeding areas by Adelie penguins, following two to three years of failure at "poor" sites ...
Meeting Document : WG-EMM-96/58 : Autor(es): Fraser, W.R., Trivelpiece, W.Z.
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Fishery Report: Dissostichus eleginoides Prince Edward Islands South African EEZ (Subareas 58.6 and 58.7)
, the estimated IUU catch of toothfish exceeded the reported catch for most years (SC-CAMLR-XXVI, Annex ... /08 21 55 69 145 0 145 2008/09 30 22 20 72 0 72 2009/101 47 22 15 84 0 84 1 Two vessels are ... a mode at approximately 60–90 cm. Figure 2: Catch-weighted length frequencies for ... 58.6 & 58.7 2 Table 1: Catch history for Dissostichus eleginoides in Subareas 58.6 and 58.7 in the ...
Document : Site Section: Publications
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Preliminary analysis of toothfish catch, CPUE, size structure and mark-recapture data from SSRUs 486A and 486G, with comments on the sustainability of different harvest levels
to size via a simple von-Bertalanffy equation in which variance in catch-at-length for a given age is ... proportional to the mean length at that age. The model makes provision for IUU catches, insofar as this is ... . The method includes recaptures for the year of release. The tagging likelihood term is based on the ... Abstract: Available catch, effort, catch-at-size and tagging data for Statistical Subarea 48.6 ...
Meeting Document : WG-FSA-12/31 : Autor(es): E. Thomson and M. Bergh (South Africa)
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Potential impacts of bottom trawling on benthic communities in Prydz Bay, Antarctica
unfished areas in the South Atlantic and suggested that bottom trawling in the past 20 years has had a ... tomar medidas que salvaguarden su integridad. 1. INTRODUCTION In the last 10 years, a number of ... (e.g., De Groot, 1984; Hutchings 1990). On the basis of published data on benthos in the Antarctic ... wide with a headline height of 4 to 5 m. Nets were towed for a standard haul duration on the bottom of ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 403–410 : Autor(es): Constable, A.J.
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INFORME DE LA REVISIÓN INDEPENDIENTE DE LOS SISTEMAS DE GESTIÓN DE DATOS DE LA CCRVMA
Abstract: An independent review of CCAMLR’s data management systems was conducted in early 2011 ... data access and use, and in an efficient manner to authorised parties. The review focused on ... mitigating identified risks using an appropriate international standard as a benchmark. The review ... appropriately managed and that data and information are made available in accordance with CCAMLR’s rules for ...
Meeting Document : CCAMLR-XXX/05 : Autor(es): Secretariat
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Discussion of satellite imagery applied to CAMLR regions
Author(s): R.E. Dennis (USA) Title: Discussion of satellite imagery applied to CAMLR regions Approval: Approved
Meeting Document : WG-KRILL-90/30 : Autor(es): R.E. Dennis (USA)
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Preliminary results of the research cruise of BMRT Anchar, Scotia Sea, April to June 1990 (available in Russian only)
Author(s): V.A. Khvatchia and V.I. Shlibanov (AtlantNIRO, USSR) Title: Preliminary results of the research cruise of BMRT Anchar, Scotia Sea, April to June 1990 (available in Russian only) Approval: Approved
Meeting Document : WG-FSA-90/30 : Autor(es): V.A. Khvatchia and V.I. Shlibanov (AtlantNIRO, USSR)