Annexes :
Annexe 1 : Liste des différentes espèces rencontrés au cours de notre étude.
Classe des diatomées
Order :Achnanthales
 Cocconeis sp.
Order :Bacillariales
 Nitzschia sp
 Bacillaria sp
 Cylindrotheca sp
 Cylindrotheca sp.
 Licmophorae hrenbergii
 Nitzschia closterium
 Nitzschia spathulata
 Pinnularia microsrauron
 Pleurosigma capense
 Pleurosigma directum
 Pseudo-nitzschia
Order : BIDDULPHIALES
 Actinoptychus splendens
 Leptocylindrus sp
 Actinocyclus octonarius
 Aulacoseira granulata
 Biddulphia alternans
 Biddulphia sp
 Corethron Castracanesp
 Detonula sp
 Leptocylindricus danicus
 Lithodesmium Ehrenberg
 Melosira granulata
 Porosira glacialis
 Stephanopyxis Ehrenberg sp
 Stephanopyxis turris
 Trachelomonas sp
 Attheyaarmatus sp
Order :Chaetocerotales
 Chaetocerossocialis sp
Order :Chlamydomonadale
 Haematococcus pluvialis
Order :Chlorodendrales
 Tetraselmis sp
Order :Corethrales
 Corethron sp
Order :Thalassionematales
 Thalassiothrix longissima
 Amphora inariensis
 Amphora sp
 Thalassiophysa hyalina
 Amphora hyalina
Order :Pinnulariales
 Pinnularia trevelyana
Order :Pennales
 Diatoma sp
 Tropidoneis sp
Order :Cymbellales
 Gomphoneis elegans
 Cymbella Cymbella
 Gomphoneis sp
Order :Naviculales
 Navicula distans
 Navicula sp
 Pinnularia sp
 Achnanthes flexella
 craticula halophila
 Diploneis sp
 flagilaria pulchella
 Meuniera sp
 Rhoicosigma compactum
 Phaeodactylum tricornutum
Order :Pinnulariales
 Pinnularia trevelyana
Order :Stephanodiscales
 Cyclotella sp
 Stephanodiscus sp
 Stephanodiscus hantzschii
Order :Triceratiales
 Triceratium sp
 Asterionella nofata
 Triceratium favus
Order :Coscinodiscales
 Hemidiscus sp
 Actinoptychus sp
 Coscinodiscus granii
Fragilariales
 Synedra robusta
Order :Hemiaulales
 Hemiaulus sp