Resultados de la búsqueda
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Preliminary stock assessment of Rajiformes in statistical Subarea 48.3
Abstract: Elasmobranch species, such as skates (Rajiformes), are not target species within the ... CCAMLR longline fisheries. However, they form a major part of the bycatch and as such it is necessary to ... understand the effect of each fishery on the Rajiformes population. Here we describe biological information ... gained from the skate tag-release programme in statistical subarea 48.3 and use the tag recaptures for a ...
Meeting Document : WG-FSA-14/48 : Autor(es): M. Soeffker, V. Laptikhovsky, J. Ellis and C. Darby (United Kingdom)
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Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2015
Abstract: This paper presents an update of the metrics of capacity and capacity utilisation ... Subareas 88.1 and 88.2. The updated metrics show the same pattern as the metrics based on the data up 2013 ... and do not indicate an excess capacity in the fishery. A measure of potential daily fishing capacity ... as a function of the catch limit for an area indicates that for some management areas the notified ...
Meeting Document : WG-FSA-15/09 : Autor(es): CCAMLR Secretariat
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Observer self training guide
Introduction The self training guide has kindly been provided by Mr N. Gasco from France, and ... , fish and benthos used in the test. To set up the tool please follow the instructions for organising ... photo files contained under the ‘infos’ tab in the workbook, and follow the step by step instructions ... under the ‘QUIZZ’ tab. The zipped files of images contain a large number of species, thus can be ...
Page : Site Section: Science
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Common fish by-catch species in CCAMLR krill fisheries
Description / Abstract: This simple guide is designed to assist in the identification of fish by ... -catch in the krill fisheries to appropriate taxonomic levels. The identification sheets are based on the ... information provided in WG-EMM 07/32 (A guide to identification of fishes caught along with the Antarctic ... permission to use that material). The guide includes an illustrated key to distinguish the families of fish ... Introduction This simple guide is designed to assist in the identification of fish by-catch in the krill ... fisheries to appropriate taxonomic levels. The identification sheets are based on the information provided ... in WG-EMM 07/32 (A guide to identification of fishes caught along with the Antarctic krill, T. Iwami ... that material). The guide includes an illustrated key to distinguish the families of fish that have ...
Document : Site Section: Science
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Technical Specifications of Fish Heaven: version 2.1.5
Abstract: These are the technical specifications of the software Fish Heaven: version 2.1.5. The ... specifications include a description of the object structure of the model, the process structure of the model and ... a mathematical description of the model. Author(s): Ball, I. Title: Technical Specifications of ...
Meeting Document : WG-FSA-SAM-04/15 : Autor(es): Ball, I.
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Male krill grow fast and die young
Abstract: The size-differentiated sex ratio (proportion of males: POM) of Antarctic krill was ... examined with an extensive dataset derived from scientific surveys in the Indian Ocean sector and the ... southwest Atlantic sector, and from the krill fishery in the Southern Ocean. The percentage of males in size ... , sometimes showed higher values in 45-50 mm krill, but always decreased in the largest krill (>50 mm ...
Meeting Document : WG-EMM-07/P6 : Autor(es): S. Kawaguchi, L.A. Finley, S. Jarman, S.G. Candy (Australia), R.M. Ross, L.B. Quetin (USA), V. Siegel (Germany), W. Trivelpiece (USA), M. Naganobu (Japan) and S. Nicol (Australia)
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MaxEnt reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia 1996–2000
of mean krill density within two survey boxes of dimensions 80 km x 100 km to the north east and ... north west of South Georgia. The reconstructions are generated from acoustic line transect survey data ... gathered in the boxes in austral summers 1996 – 2000. Krill densities had previously been determined at ... approximately 0.5 km intervals along transect for each of the ten 80 km transects in each box, providing about ...
Meeting Document : WG-EMM-02/36 : Autor(es): M.H. Wafy, A.S. Brierley, S.F. Gull and J.L. Watkins (United Kingdom)
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Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 2000/01
fishing gear associated with seabirds at Bird Island, South Georgia. In this, the eighth year of ... . Quantities of fishing gear remained within the levels of previous years for all other species. Marine debris ... , the vast majority of which was plastics, showed a 28% increase from the maximum of the previous year ... for grey-headed albatrosses, but a 24% decrease from the maximum of the previous year for wandering ...
Meeting Document : SC-CAMLR-XX/BG/07 : Autor(es): Delegation of the United Kingdom
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Seabird observations in Subareas 48.1, 48.2 and 88.3 and proposal for a new streamer line design
of the New Fisheries Project developed by Chile in Statistical Subareas 88.3, 48.1 and 48.2. During ... , carrying out bird observations in each one of the 52 castings with the Spanish-designed longlines as well ... . The streamer line suggested by the CCAMLR was not appropriate during wind conditions, so an alternate ... simpler construction and increased visibility. Neither bird capture nor mortality was reported during the ...
Meeting Document : WG-FSA-98/19
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Climate change and precautionary spatial protection: seasonal sea ice
Abstract: Regional climate change is now known to be well established in the Antarctic; however ... , the implications for biological systems remain poorly understood. Investigating how marine species ... little changed by human activities, particularly by the impacts (either direct or indirect) of marine ... harvesting. If CCAMLR is to embrace the wider implications of climate change in the context of ecosystem ...
Meeting Document : WS-MPA-11/18 : Autor(es): P.N. Trathan and S.M. Grant (UK)