Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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    Records 1 - 9 / 9

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    Cruise report hydroacoustic survey for blue whiting (Micromesistius poutassou) with F.R.V. Tridens (BWHTS) 23 March - 7 April 2015
    Scoulding, B.C. - \ 2015
    IJmuiden : IMARES (Report / IMARES Wageningen UR 15.008) - 20
    micromestistius poutassou - onderwaterakoestiek - noordoost atlantische oceaan - eu regelingen - visbestand - ruimtelijke verdeling - micromestistius poutassou - underwater acoustics - northeast atlantic - eu regulations - fishery resources - spatial distribution
    This survey is part of the ICES coordinated international hydro acoustic survey for blue whiting which is carried out yearly in March/April. The other participating countries are the Faroe Islands, Ireland, Norway and Russia. IMARES, Institute for Marine Resources & Ecosystem Studies, part of Wageningen University and Research, has participated in the international North-East Atlantic hydro acoustic survey for blue whiting since 2004. The survey is part of the EU Data Collection Framework. The aim of this survey is to provide an abundance estimate of the whole North-East Atlantic blue whiting population and to determine the spatial distribution at this time of year. This estimate is used as a tuning index by the ICES Working Group on Widely Distributed Stocks (WGWIDE) to determine the size of the population. In this report the results are presented of the survey west of Ireland, carried out by FRV “Tridens”. A secondary objective during the survey is to gather information on the distribution of non-commercial mesopelagic species.
    Blauwe wijting op de weg omhoog (interview met Sven Gastauer)
    Gastauer, S. - \ 2013
    Visserijnieuws (2013)22. - ISSN 1380-5061 - p. 28 - 31.
    micromestistius poutassou - visstand - kuitschieten - visserij - biomassa - fish stocks - spawning - fisheries - biomass
    Positieve berichten van het blauwe wijtingfront. Tijdens de internationale blauwewijtingsurvey on maart/april werd een sterke toename van het paaibestand vastgesteld. Wetenschapper Sven Gastauer van IMARES Wageningen UR leidde het Nederlands deel van de operatie en doet verslag.
    Cruise report hydro acoustic survey for blue whiting (Micromesistius poutassou) with R.V. Tridens, 17 March - 04 April 2008
    Ybema, M.S. ; Bakker, C. ; Pasterkamp, T.L. ; Armstrong, E. ; Tijssen, D. ; Kloppmann, M. ; Freijser, J. - \ 2008
    IJmuiden : IMARES (Report / IMARES 08.013) - 18
    wijting - micromestistius poutassou - inventarisaties - visbestand - atlantische oceaan - visgronden - whiting - micromestistius poutassou - inventories - fishery resources - atlantic ocean - fishing grounds
    This is the report of the Dutch part of the international North East Atlantic hydro acoustic survey for blue whiting. The survey is coordinated by ICES and has been executed annually. The purpose of the survey is to estimate the blue whiting stock of the North East Atlantic. The ICES uses this estimation is as a “tuning index” to assess the North East Atlantic blue whiting stock. The applied method was echo integration. By sailing transects over the survey area, the total acoustic cross-section can be calculated by surface area sampled. Trawling identified species composition of localized schools. The length composition of each species was determined. Blue whiting was examined on age and fecundity from which a split up stock structure was made
    Cruise report hydro acoustic survey for blue whiting (Micromesistius poutassou) with R.V. Tridens, 05 - 23 March 2007
    Ybema, M.S. - \ 2007
    IJmuiden : IMARES (Report / Wageningen IMARES nr. 07.010) - 23
    micromestistius poutassou - monitoring - inventarisaties - visstand - noordelijke atlantische oceaan - micromestistius poutassou - monitoring - inventories - fish stocks - north atlantic
    This is the report of the Dutch part of the international North East Atlantic hydro acoustic survey for blue whiting. The survey is coordinated by ICES and has been executed annually. Ireland, Russia, Iceland, Denmark, Faroes and Norway also participate in the survey. The purpose of the survey is to estimate the blue whiting stock of the North East Atlantic. The ICES uses this estimation is as a “tuning index” to assess the North East Atlantic blue whiting stock.
    Cruise report Hydro acoustic survey for blue whiting (Micromesistius poutassou) 13 March - 31 March 2006
    Ybema, M.S. - \ 2007
    IJmuiden : IMARES (Internal report / Wageningen IMARES nr. 07.001) - 20
    micromestistius poutassou - wijting - visserij - visbestand - micromestistius poutassou - whiting - fisheries - fishery resources
    Dit is het verslag van de Nederlandse deelname aan de Noord Atlantische akoestische survey voor blauwe wijting in 2006. Het doel van de survey is het maken van een schatting van de grootte van de Noord Atlantische blauwe wijting populatie. Voor de survey wordt gebruik gemaakt van een Simrad 38kHz splitbeam transducer met een EK60 echolood. De toegepaste methode is echo-integratie. Door transecten te varen in het gebied wordt het totale akoestische oppervlak per oppervlakte-eenheid bepaald. Door het uitvoeren van vistrekken wordt de soortsamenstelling bepaald. Van blauwe wijting worden daarnaast biologische monsters genomen om leeftijd en rijpheid te bepalen. Voor deze soort kan aldus een schatting van de populatie, uitgesplitst naar leeftijd en rijpheid, gemaakt worden. Blauwe wijting is overal gevonden in de nabijheid van het continentale plat
    Cruise report Hydro acoustic survey for blue whiting (Micromesistius poutassou) 7 march - 25 march 2005
    Ybema, M.S. - \ 2005
    IJmuiden : RIVO (Intern rapport / Nederlands Instituut voor Visserij Onderzoek (RIVO) no. 05.003) - 33
    visserij - visbestand - micromestistius poutassou - wijting - populaties - tellingen - atlantische oceaan - visstand - fisheries - fishery resources - micromestistius poutassou - whiting - populations - censuses - atlantic ocean - fish stocks
    Verslag van de Nederlandse deelname aan de Noord Atlantische akoestische survey voor blauwe wijting. Deze, door ICES gecoördineerde survey wordt jaarlijks uitgevoerd. Naast Nederland nemen Ierland, Denemarken, Faeröer, Rusland, IJsland en Noorwegen deel aan de survey. Het doel van de survey is het maken van een schatting van de grootte van de Noord Atlantische blauwe wijting populatie. Deze schatting wordt gebruikt als een “tuning index” door ICES om de omvang van de populatie vast te stellen
    Blue Whiting Spawning Survey
    Dickey-Collas, M. ; Couperus, A.S. ; Ybema, M.S. ; Bol, R.A. - \ 2004
    IJmuiden : RIVO (Report / RIVO-Netherlands Institute for Fisheries Research no. C080/04) - 22
    visserij - micromestistius poutassou - verspreiding - visbestand - kuitschieten - monitoring - noordoost atlantische oceaan - nederland - visserij-ecologie - visvangsten - fisheries - micromestistius poutassou - dispersal - fishery resources - spawning - monitoring - northeast atlantic - netherlands - fisheries ecology - fish catches
    Dit rapport bevat de resultaten van een bemonsteringsreis, uitgevoerd van 9 t/m 29 maart 2004, met als doel een schatting te maken van de verspreiding en de bestandsgrootte van blauwe wijting d.m.v. echo-integratie. Er werden 6 vistrekken uitgevoerd. Hiervan zijn 5 monsters blauwe wijting (250 exemplaren) gesneden
    Biological ensilage of fish : optimization of stability, safety and functionality
    Enes Dapkevicius, M.L.N. - \ 2002
    Wageningen University. Promotor(en): F.M. Rombouts; M.J.R. Nout; J.H. Houben. - S.l. : [s.n.] - ISBN 9789058085702 - 170
    voedselmicrobiologie - kuilvoerbereiding - micromestistius poutassou - trachurus - scomber scombrus - biogene aminen - lipiden - eiwitafbraak - food microbiology - silage making - micromestistius poutassou - trachurus - scomber scombrus - biogenic amines - lipids - protein degradation
    This thesis deals with stability, safety, and functionality aspects of biological fish silage (BFS) obtained by lactic acid fermentation. BFS may provide an economically viable, environment friendly way of upgrading fish waste.

    BFS has been found advantageous when compared to the so-called acid process, since it yielded lower levels of peroxides in the silage oil and led to lower non-protein nitrogen values. Fermentation by lactic acid bacteria (LAB) was shown to efficiently inhibit pathogens such as L. monocytogenes and E. coli O157:H7 as well as some spoilage microorganisms. Histamine degradation by some of the most promising available LAB strains was also tested, as an innovative means of ensuring low levels of this amine in the fermented product. Several potential starter strains were found to degrade histamine as single strain cultures and could find application in fish silage and other fish products in which histamine accumulation might pose a certain risk.

    Temperatures of 35 - 37°C were regarded as most suitable from the point of view of starter growth and acidification. Strains with a short acidification lag time, such as Lb. plantarum 009, or with very fast growth and good antibacterial properties, such as Lb. curvatus 15.35, are most suitable.

    Sodium chloride inhibited growth of biogenic amine producing bacteria and additionally decreased non-protein nitrogen and total volatile basic nitrogen values in BFS. Potassium sorbate was shown to inhibit growth and/or acidification by potential starter lactic acid bacteria.

    ICES adviseert sluiting visserij op blauwe wijting: overbevissing afgelopen jaren
    Beek, F.A. van - \ 2001
    Visserijnieuws 21 (2001)24. - ISSN 1380-5061 - p. 5 - 5.
    visbestand - wijting - micromestistius poutassou - visserij - productiecontroles - visserijbeheer - zeevisserij - fishery resources - whiting - fisheries - production controls - fishery management - marine fisheries
    Het International Council for the Exploiration of the Sea adviseert de visserij op blauwe wijting in 2002 te staken totdat een herstelplan is vastgesteld. Aanleiding is de sterk afgenomen paaistand als gevolg van een ongereguleerde visserij
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