NDLI: Functional organization of the benthic macrofauna in the Bizerte lagoon (SW Mediterranean Sea), semi-enclosed area subject to strong environmental/anthropogenic variations.

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Functional organization of the benthic macrofauna in the Bizerte lagoon (SW Mediterranean Sea), semi-enclosed area subject to strong environmental/anthropogenic variations.

Content Provider	Semantic Scholar
Author	Afli, Ahmed Boufahja, Fehmi Sadraoui, Sami Mustapha, Karim Ben Aissa, Patricia Mrabet, Rajae El
Copyright Year	2009
Abstract	Organisation fonctionnelle de la macrofaune benthique dans la lagune de Bizerte (SW Mediterranee), milieu semi-ferme soumis a de fortes variations environnementales et anthropiques. La lagune de Bizerte appartient a un grand complexe lagunaire de plus en plus touche par les activites anthropiques ces dernieres annees. Dans le meme temps, elle est influencee par les apports d'eau de mer et par les eaux douces en provenance du lac Ichkeul et de plusieurs oueds. Ceci induit de fortes fluctuations des facteurs environnementaux. Pour etudier l'organisation fonctionnelle de la macrofaune benthique, 11 stations en face des principales sources de contamination ont ete echantillonnees a l'aide d'une benne Van Veen (0,1 m 2 ). Nos resultats montrent que l'ecosysteme presente des signes de desequilibre trophique et la communaute macrobenthique est tres appauvrie, malgre le bon etat ecologique apparent montre par les indices biotiques. Dans cette situation, la boucle microbienne a remplace le reseau trophique herbivore et seulement quelques especes d'invertebres tolerant les fluctuations de l'environnement ont pu survivre dans de telles conditions.
Starting Page	105
Ending Page	117
Page Count	13
File Format	PDF HTM / HTML
Volume Number	50
Alternate Webpage(s)	http://s4.e-monsite.com/2011/07/19/03/Afli-Cah_-Biol_-Mar_-2009.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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