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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Record number 320094
Title Application of satellite imagery to analyse the distribution and recruitment of sardinella - Annual Report 2002
Author(s) Zeeberg, J.J.
Source IJmuiden : RIVO (RIVO report C008/03) - 19
Department(s) RIVO Biologie en Ecologie
Publication type Scientific report
Publication year 2003
Keyword(s) geografische informatiesystemen - remote sensing - visserij - sardines - onderzoek - west-afrika - visstand - visserij-ecologie - geographical information systems - fisheries - research - west africa - fish stocks - fisheries ecology
Categories Remote Sensing and Geographical Information Systems (General) / Fishing Technology
Abstract Remote sensing studies at the Netherlands Institute for Fisheries Research (RIVO) aim to stimulate the use of satellite images on board of Dutch freezer-trawlers in the Mauritanian Exclusive Economic Zone (MEEZ). During four research missions (5-12 July 2002, 23-30 August 2002, 13-20 October 2002, and 14-23 November 2002) NOAA-AVHRR images of sea surface temperatures (SST) and SeaWifs plankton images were used to locate the fronts at which sardinella, the target species of the Dutch fleet at West Africa, tend to concentrate. These ‘RIVO-images’ are transmitted biweekly with specified annotation to enable easy interpretation. Remote sensing helps locate target species and reduces by-catches associated with ‘random’ trawling. Satellite-derived time series are furthermore applied to analyse apparent spatial shifts of the stock in recent years. Comparison of catch data (size, location) with associated satellite-derived oceanography yields insight into the behaviour and migration patterns of sardinella.
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