Date prélèvement 27/06/2009
Commentaire Prélèvement V.Beaumont-A.Delvoye, Lame C.Drombry-L.Nowak, Lecture V.Beaumont / 4% de formes tératologiques -> suspicion de pollution par micropolluants /NCPR NINC
IBD
TaxonCodeEffectif
Cocconeis euglypta Ehrenberg emend Romero & Jahn CEUG 230
Amphora pediculus (Kützing) Grunow APED 32
Eolimna subminuscula (Manguin) Moser Lange-Bertalot & Metzeltin ESBM 27
Navicula cryptotenella Lange-Bertalot NCTE 13
Gomphonema pumilum var. rigidum Reichardt & Lange-Bertalot GPRI 12
Cocconeis placentula var.euglypta (Ehr.) Grunow f. anormale CPEA 10
Navicula gregaria Donkin NGRE 8
Planothidium frequentissimum(Lange-Bertalot)Lange-Bertalot PLFR 8
Sellaphora minima(Grunow) Mann in Slate & Stevenson SEMN 8
Navicula ingenua Hustedt NING 6
Fistulifera saprophila (Lange-Bertalot & Bonik) Lange-Bertalot FSAP 5
Nitzschia gracilis Hantzsch NIGR 5
Nitzschia capitellata Hustedt in A.Schmidt & al. NCPL 4
Gomphonema minutum(Ag.)Agardh f. minutum GMIN 3
Nitzschia amphibia Grunow f.amphibia NAMP 3
Nitzschia palea (Kützing) W.Smith var. palea NPAL 3
Sellaphora pupula (Kützing) Mereschkowksy SPUP 3
Eolimna subminuscula (Mang.) Moser Lange-Bert.&Metzeltin f. anormale ESBT 2
Gomphonema parvulum (Kützing) Kützing var. parvulum f. parvulum GPAR 2
Navicula antonii Lange-Bertalot NANT 2
Nitzschia amphibia Grunow f. anormale NATG 2
NAVICULA J.B.M. Bory de St. Vincent NAVI 2
Nitzschia inconspicua Grunow f. anormale NZIT 2
Nitzschia supralitorea Lange-Bertalot NZSU 2
XXXX 2
Achnanthidium pyrenaicum (Hustedt) Kobayasi ADPY 1
Cyclotella meneghiniana Kützing CMEN 1
Fragilaria gracilis Østrup FGRA 1
Kolbesia gessneri (Hustedt) Aboal KGES 1