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- Title
Intra-annual variation of the spatiotemporal distribution and abundance of Talitridae and Oniscidea ( Crustacea, Peracarida) at Bizerte Lagoon (northern Tunisia).
- Authors
Jelassi, Raja; Khemaissia, Hajer; Nasri-Ammar, Karima
- Abstract
During 1 year from spring 2007 to winter 2008, we conducted four seasonal samplings along a transect in the supralittoral zone of Bizerte Lagoon at Menzel Jmil ( Tunisia) to study the intra-annual variation of Peracarida diversity, Talitridae and Oniscidea. For each season, one transect was studied and quadrates were placed successively from the shoreline to the road backing the shore. Talitridae and Oniscidea were the most abundant taxa in our samples reaching highest densities in summer, when fourteen species were found. The minimum and maximum values of species richness of Talitridae were observed in winter (four species) and summer (eight species), respectively, while for Oniscidea, species richness ranged from one species in winter and five species in spring. Both Talitridae and Oniscidea exhibited intra-annual variation in their spatial distribution; in that, they moved away from the shoreline in winter and were found near the waterline in the other seasons. ANOVA test shows a high significant correlation between both Talitridae with Suaeda maritima and Oniscidea with the plants S. maritima, Salicornia arabica and Obione portulacoides.
- Subjects
TUNISIA; SAMPLING (Process); BIOLOGICAL variation; WOOD lice (Crustaceans); TALITRIDAE
- Publication
African Journal of Ecology, 2012, Vol 50, Issue 4, p381
- ISSN
0141-6707
- Publication type
Article
- DOI
10.1111/j.1365-2028.2012.01326.x