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 348730
Title Literature review of available techniques to characterize marine and estuarine food webs; with emphasis for application in the model OMEGA
Author(s) Lange, H.J. de; Brink, N.W. van den
Source Wageningen : Alterra (Alterra-rapport 1372) - 55
Department(s) Centre for Ecosystem Studies
Wageningen Environmental Research
Publication type Scientific report
Publication year 2006
Keyword(s) voedselwebben - ecologie - marien milieu - estuaria - karakterisering - modellen - merkers - food webs - ecology - marine environment - estuaries - characterization - models - markers
Categories Marine Ecology
Abstract Food webs can be characterized by use of markers. These are increasingly used in food web studies since they are the only tool that can be used to infer relations through multiple trophic levels. Such a marker is a characteristic of an organism that can be objectively measured and evaluated as an indicator of normal biologic processes. These include fatty acids, stable isotopes, and molecular markers such as immunological markers and DNA markers. This report presents the results of a literature survey on these marker techniques, their use in describing marine and estuarine food webs, and an evaluation of their usefulness for the model OMEGA. Stable isotope analysis is advised as the best method to characterize food webs by means of trophic position and carbon source. Fatty acids can be used to differentiate within trophic groups, especially within the group of primary producers.
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