Resultados de la búsqueda
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Fishery Report 2013: Exploratory fishery for Dissostichus spp. in South Sandwich Islands (Subarea 48.4)
Description / Abstract: Fishery Report 2013: Exploratory fishery for Dissostichus spp. in South ... assessed using an age-structured CASAL integrated stock assessment model for both sexes combined with ages ... 1 December 2012 to 30 November 2013). FISHERY REPORT 2013: EXPLORATORY FISHERY FOR ... is indicated. Table 1: Catch history for Dissostichus spp. in Subarea 48.4 for the past 10 years ... framework for designing and undertaking research fishing designed to lead to an assessment of these ...
Document : Site Section: Publications
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Are krill recruitment indices from meso-scale survey representative for larger areas?
for age-one-old krill between scientific surveys from the northern Bellingshausen Sea, the Elephant ... classes of the age-one-group which occur in the samples of some years. Author(s): V. Siegel (Germany ... ) and two-year old (R2) krill differ substantially between years. However, results were in conformity ... surveys are representative for a wider region Generally the proportional recruitment indices for one (R1 ...
Meeting Document : WG-EMM-02/20 : Autor(es): V. Siegel (Germany), R.M. Ross and L.B. Quetin (USA)
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CPUE indices used in Soviet krill fishery statistics from 1977 to 1992 and their possible utility for evaluation of relative changes in krill biomass
possible utility for evaluation of relative changes in krill biomass Abstract / Description: Key catch-per ... and primary data for their calculations, were examined. The main CPUE indices were catch per vessel ... fluctuations in haul duration due to the different fishing strategies used when targeting krill intended for ... calculated for specific strategies were well correlated. Depending on the fishing strategy used, the number ... 0 2 4 6 8 10 12 14 16 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 Catch per vessel ... . Compared to the Atlas, the RIF statistics contain from 2 to 78% of data for various years and 34.2% of ... 1986 to 1991 (RIF statistics). 0 5 10 15 20 25 30 35 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 ... 2 20 8 0. 19 80 25 0. 60 15 68 51 2 0. 81 15 76 0. 73 81 57 84 0. 88 91 ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 165–177 : Autor(es): Litvinov, F.F., A.Z. Sundakov and V.I. Arkhipov
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
strength and observations on breeding phenology for Adélie, chinstrap, and gentoo penguins. Mean age at ... Abstract: Here we compile four vignettes that, together, provide the basis for making downward ... adjustments to local catch limits for the krill fishery in Subarea 48.1. We use the term local catch limit to ... adjustments to local catch limits as one component of a larger strategy for feedback management (FBM) of the ...
Meeting Document : WG-EMM-16/46 : Autor(es): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
that in 2018 a new Norwegian vessel will be available, equipped with advanced technology for sampling ... . This initial year will be used for exploration with particular emphasis on tagging efforts and habitat ... mapping, and the study will adhere to principles and guidance expressed in CM 41-01. In future years the ... contacted and discussions have started on collaboration from the 2018/19 fishing season. The expectation is ...
Meeting Document : WG-SAM-17/06 : Autor(es): Delegation of Norway
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Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Division 58.4.2
Description / Abstract: Fishery Report 2013: Exploratory fishery for Dissostichus spp. in ... 30 November 2013). FISHERY REPORT 2013: EXPLORATORY FISHERY FOR DISSOSTICHUS SPP. IN ... Ocean sector of the Convention Area remains an issue for the Commission. Estimates of illegal fishing ... , biomass estimation phase and assessment development phase, with a set of decisions and review for the ... and maturity stage, as well as collection of otoliths for age determination of the target and most ...
Document : Site Section: Publications
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CCAMLR’s Vulnerable Marine Ecosystems bioindicator taxa: a relevant tool for benthic ecoregionalisation
Abstract: This document is a short extraction from the article “Benthic ecoregionalisation and ... conservation issues in the French Exclusive Economic Zone of Kerguelen” submitted the 16/05/2018 to the journal ... CCAMLR Science for the proceedings of The Second Symposium on Kerguelen Plateau Marine Ecosystems and ... will be available in the original article. Original article includes full benthic ecoregionalisation ...
Meeting Document : WG-EMM-18/19 : Autor(es): A. Martin, E. Trouslard, M. Hautecoeur, J. Blettery, C. Moreau, T. Saucède, N. Améziane, G. Duhamel and M. Eléaume
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A statistical method for analysing the extent of IUU fishing in CCAMLR waters: application to Subarea 48.3
the known encounters of FPV with licensed vessels. Thus for each encounter between an IUU vessel and ... birds was calculated separately for summer and winter using previously published CCAMLR observer data ... estimate the total number of days of IUU fishing that could occur during each year. For each IUU incident ... IUU fishing time using a simulation model. For each year, the model simulated 1000 IUU fishing ...
Meeting Document : WG-FSA-02/4 : Autor(es): D.J. Agnew and G.P. Kirkwood (United Kingdom)
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Medium-term research plan for the Ross Sea toothfish fishery
to identify key research objectives for the fishery over the next 3–5 years in relation to Article II ... Abstract: The aim of this paper is to review the management of the Ross Sea toothfish fishery and ... uncertainties in our current knowledge that need to be addressed to fulfil the requirements of Article II. These ... include, for example, uncertainty in the biological parameters and stock assessment of Antarctic toothfish ...
Meeting Document : WG-FSA-14/60 : Autor(es): Delegations of New Zealand, Norway and the United Kingdom
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The utilization of seabird censuses for krill monitoring
Paper Title: The utilization of seabird censuses for krill monitoring Abstract / Description ... correspondence analysis. Contour plotting, profile analysis and tests for equality of covariance matrices proved ... technique will allow the discrimination of krill levels by means of bird counts thereby providing an ... efficient tool for statistical tests of significance. The most promising approach seems to be the ... providing an efficient tool for statistical tests of significance. The most promising approach seems to be ... mentioned species are more or less suitable for direct observation, at the present state of the art it is ... test for multinormality, but will give an idea of the distributional· properties of data, which is ... programs for correspondence analysis are those published in Lebart, Morineau, Fenelon (1979). Other ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Autor(es): Marschoff, E.R., J.G. Visbeek and L.R. Fontana