A Comparison of Abundance and Diversity of Epiphytic Microalgal Assemblages on the Leaves of the Seagrasses Posidonia oceanica (L.) and Cymodocea nodosa (Ucria) Asch in Eastern Tunisia

Table 1

“Presence-absence” species list of epiphytic microalgae identified on the leaves of P.  oceanica and of C.  nodosa in prospected stations.

Species	Posidonia	Cymodocea
Dinoflagellates
Amphidinium  carterae Hulburt	0	1
Ceratium  furca. (Ehrenberg) Claparède and Lachmann	1	0
Ceratium  tripos (Müller)	1	0
Coolia  monotis Meunier	0	1
Cyst of dinoflagellates	0	1
Gonyaulax  spinifera	0	1
Gymnodinium sp.	0	1
Ostreopsis  ovata (Fukuyo)	0	1
Polykrikos  sp.	0	1
Prorocentrum  concavum (Fukuyo)	1	0
Prorocentrum  gracile (Schütt)	1	0
Prorocentrum  lima (Ehrenberg) Dodge	1	0
Prorocentrum  micans Ehrenberg	1	0
Prorocentrum  minimum (Pavillard) J. Schiller	1	0
Prorocentrum  rathymum (Loeblich) Shirley and Schmidt	1	0
Prorocentrum  triestinum (Schiller)	1	0
Protoperidinium  curtipes (Jorgensen) Balech	1	0
Protoperidinium  depressum (Bailey) Balech	1	0
Protoperidinium  divergens (Ehrenberg) Balech	1	0
Protoperidinium  mite (Pavillard) Balech	1	0
Protoperidinium  ovum (Schiller) Balech	1	0
Protoperidinium  steinii (Jørgensen) Balech	1	0
Protoperidiniumsp.	0	1
Scrippsiella sp.	1	1
Diatoms
Amphiprora  constricta Ehrenberg	1	0
Amphora sp.	1	1
Asterionellopsis  glacialis (Castracane) Round	1	0
Asteromphalus  flabellatus (Brébisson) Greville	1	0
Bacillariasp.	1	0
Budelphia sp.	1	0
Chaetoceros sp.	1	0
Climacosphenia  moniligera (Ehrenberg)	1	0
Coscinodiscus sp.	0	1
Dactyliosolen sp.	1	0
Diploneis sp.	1	0
Fragilaria sp.	1	0
Grammatophora sp.	1	0
Guinardia sp.	1	1
Licmophora sp.	1	1
Navicula sp.	1	1
Nitzschia  fonticola Grunow	1	0
Pinnularia sp.	1	0
Pleurosigma sp.	1	0
Rhizosolenia  styliformis Brightwell	0	1
Striatella  unipunctata (Lyngbye) C. Agardh	1	0
Surirella sp.	1	0
Cyanobacteria
Anabaena sp.	1	1
Lyngbya sp.	0	1
Merismopedia sp.	0	1
Micrococcus sp.	0	1
Oscillatoria sp.	1	1
Pseudanabaena sp.	1	0