Cartographie et analyse des variations spatio-temporelles du phytoplancton du golfe de Gabes au cours des dix ans de surveillance. | Mapping and analysis of phytoplankton variability along the Gulf of Gabes during the ten years of monitoring.
2006
Feki, Wafa
Monitoring of toxic phytoplankton in gulf of Gabes is lunched since 10 years ago and has generated a considerable bank of data. That permit to us to understand many interactions between species in this community but we hope to be able to construct of the model of management of shellfish exploitation. To succeed to this goal, these data had to be treated, analyze bio statistically and must be showed in simple and questionable configuration which we have defined in present work. Data base lodged in Web site has been rectified, arranged and then exported towards Accesses. That extrapolation permits us to carry out the statistical analyses (ACP, AFC, and ANOVA) and to formulate the correlations between the different parameters selected. For the cartography we had recourse to ARC GIS and ARC VIEW to obtain the demonstratives form of the fluctuations of some species. In Gabes gulf, 5 regions could be individualised but a great number of production area are regrouped in a same pole, denoting of low ecological variability between different coasts. Phytoplankton in gulf seems be also conditioned by climatic periods.
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