Variability in the Structure of Planktonic Microalgae Assemblages in Water Column Associated with Posidonia oceanica (L.) Bed in Tunisia

Table 4

Species list of microalgae and cyanobacteria identified on water column around P. oceanica bed and in unvegetated station.

Groups	Species	Stations around Posidonia bed	Unvegetated station
Diatoms	Achnanthes sp.	+	−
	Amphiprora constricta (Ehrenberg)	+	−
	Amphora sp.	+	+
	Bacillaria sp.	+	−
	Biddulphia sp.	+	+
	Chamaesiphon sp.	+	−
	Chaetoceros sp.	+	+
	Climacosphenia moniligera (Ehrenberg)	+	−
	Coscinodiscus sp.	+	−
	Guinardia sp.	+	−
	Grammatophora sp.	+	+
	Gyrosigma sp.	+	+
	Leptocylindrus sp.	+	−
	Licmophora sp.	+	−
	Melosira sp.	+	−
	Navicula sp.	+	+
	Nitzschia fontifuga (Cholnoky)	+	−
	Nitzschia sp.	+	+
	Pinnularia sp.	+	+
	Plagiotropis sp.	+	+
	Pleurosigma sp.	+	−
	Pseudonitzschia sp.	+	−
	Rhizosolenia sp.	+	+
	Skeletonema sp.	+	+
	Striatella unipunctata (Lyngbye) C. Agardh	+	−
	Synedra sp.	+	−
	Thalassionema nitzschioides (Grunow) Mereschkowsky	+	−
Dinoflagellates	Alexandrium sp.	+	−
	Amphidinium carteri (Hulburt)	+	+
	Ceratium furca. (Ehrenberg) Claparède and Lachmann,	+	+
	Ceratium tripos (Müller)	+	+
	Coolia monotis (Meunier)	+	−
	Gymnodinium sp.	+	+
	Cyst of Karenia selliformis	+	+
	Cyst of Polykrikos	+	+
	Ostreopsis ovata (Schmidt)	+	−
	Peridinium sp.	+	+
	Polykrikos sp.	+	−
	Prorocentrum concavum (Fukuyo)	+	+
	Prorocentrum gracile (Schütt)	+	−
	Prorocentrum lima (Ehrenberg) Dodge	+	+
	Prorocentrum micans Ehrenberg	+	−
	Prorocentrum minimum (Pavillard) Schiller	+	+
	Prorocentrum rathymum (Loeblich) Shirley and Schmidt	+	+
	Prorocentrum triestinum (Schiller)	+	+
	Protoperidinium curtipes (Jorgensen) Balech	+	+
	Protoperidinium depressum (Bailey) Balech	+	+
	Protoperidinium divergens (Ehrenberg) Balech	+	−
	Protoperidinium mite (Pavillard) Balech	+	+
	Protoperidinium ovum (Schiller) Balech	+	+
	Protoperidinium steinii (Jørgensen) Balech	+	−
	Protoperidinium sp.	+	+
	Scrippsiella sp.	+	−
Cyanobacteria	Anabeana sp.	+	−
	Chroccus sp.	+	−
	Lyngbya sp.	+	−
	Merismopedia sp.	+	+
	Mesodinium rubrum  Leegaard	+	−
	Oscillatoria sp.	+	+
	Pseudanabaena sp.	+	+
	Spirulina subsalsa Oersted	−	+