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Chitin biomass in marine sediments
Poulicek, Mathieu; Jeuniaux, Charles
1988In Skjak-Braek, A. (Ed.) Chitin and Chitosan
 

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Keywords :
marine sediments; chitin biomass; industrial source
Abstract :
[en] One hundred marine sediments of various origins were screened in order to evaluate their chitin biomass. Our purpose was to assess the detritic chitin stocks in order to find some potential new source of chitin. The chitin biomass of marine sediments is very diversified, from 2 up to 2800 ug g-1 decalcified sediment (DS). Most sediments have low or very low chitin biomass (67% under 100 ug g-1 DS). No significant difference relmated to depth nor climatic influence was found except that all sediments richer in chitin (above 300 ug g-1 DS) are on the continental shelf (above 200m dephth). Actually, the chitin content is highter in coarse, much calcified sediments of organoclastic origin ; bryozoa and shelly sands and gravels are the richest. The powerful hydrolytic activity of microorganisms lower the steady state equilibrium level between chitin input and weathering, so most "unprotected" chitin is weathered very soon after settling. Marine sediments appears thus as a non comprtitive potential industrial chitin source.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Poulicek, Mathieu ;  Université de Liège > Zoological institute > Morphology, systematics and animal ecology laboratories
Jeuniaux, Charles ;  Université de Liège - ULiège > Zoological institute > Morphology, systematics and animal ecology laboratories
Language :
English
Title :
Chitin biomass in marine sediments
Publication date :
1988
Event name :
Conf. Chitin and Chitosan
Event place :
Trondheim, Norway
Event date :
August 22-24 1988
Audience :
International
Main work title :
Chitin and Chitosan
Author, co-author :
Skjak-Braek, A.
Publisher :
Elsevier, London, United Kingdom
Pages :
152-160
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since 16 May 2016

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