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Table 1 Species composition, mean density and diversity indices of amphipod community in different lagoons

From: Biodiversity of Talitridae family (Crustacea, Amphipoda) in some Tunisian coastal lagoons

  S1 S2 S3 S4 S5 S6 S7 S8 S9 S10
Orchestia montagui 41.5 0 0 0 0 15 30 0 0 28
Orchestia mediterranea 62 0 18 9 3.5 17 33.5 0 0 25
Orchestia gammarellus 45.5 0.5 19 10 3.5 34 34.5 0 0 25.5
Orchestia stephenseni 32 0 5 12 0 16 32.5 0 0 5.5
Cryptorchestia cavimana 17 0 0 0 0 0 0 0 0 0
Platorchestia platensis 19 0 4 10 0 15 22 0 0 0
Deshayesorchestia deshayesii 158 0 0 0 0.5 0 0 0 0 5.5
Talitrus saltator 9.5 0 0 0 0 0 0 0 0 9.5
Total number of amphipod (N) 483 1 92 82 15 194 275 0 0 198
S 8 1 4 4 3 5 5 0 0 6
Is 6.059 1 2.915 3.955 2.273 4.374 4.723 - - 4.435
H′ 2.771 - 1.711 1.992 1.287 2.232 2.278 - - 2.309
J 0.924 - 0.855 0.996 0.812 0.961 0.981 - - 0.893