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Fig. 4


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The average of species richness ± SE (Margalef), Shannon-Wiener diversity index, Pielou’s evenness index and Simpson index of diversity across sampling stations during four seasons.

La moyenne de la richesse spécifique ± SE (Margalef), l’indice de diversité de Shannon-Wiener, l’indice de régularité de Pielou et l’indice de diversité Simpson à travers les stations d’échantillonnage pendant quatre saisons.

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