Taxa Frequency(%)
Huaihe River Basin(n=217)
Cryptomonas erosa (C.erosa) 88
Cyclotella meneghiniana (C. meneghiniana) 82
Scenedesmus quadricauda (S. quadricauda) 78
Chroomonas acuta (C. acuta) 74
Navicula cryptocephala (N. cryptocephala) 71
Oscillatoria agardhii (O. agardhii) 63
Nitzschia palea (N. palea) 59
Chromulina sp. 58
Chlamydomonas globosa (C. globosa) 57
Synedra sp. 53
Cryptomonas ovata (C.ovata) 52
Gomphonema sp. 45
Nitzschia amphibia (N.amphibia) 45
Cocconeis placentula (C. placetula) 39
Oocystis lacustis (O. lacustis) 38
Navicula sp. 35
Pseudanabaena sp. 34
Euglena oxyuris (E. oxyuris) 34
Achnanthes sp. 32
Carteria sp. 32
Synedra ulna (S. ulna) 32
Synedra sp. 31
Nitzschia sp. 30
Cymbella tropica (C. tropica) 28
Aulacoseira granulata (A. granulata) 28
Phormidum sp. 27
Synedra acus (S. acus) 26
Melosira varians (M. varians) 26
Fragilaria sp. 25
Nitzschia reversa (N. reversa) 22
Ceratium hirundinella (C. hirundinella ) 20
Closterium sp. 17
Euglena sp. 15
Mallomonas sp. 9
Euglena clavata (E. clavata) 9
Pandorina morum (P. morum) 9
Euglena sp. 7
Dinobryon sp. 6
Dishui Lake(n=70)
Chlamydomonas globosa (C. globosa) 99
Chromulina pygmaea (C. pygmaea) 93
Scenedesmus quadricauda (S. quadricauda) 91
Navicula sp. 91
Ankistrodesmus angustus(A. angustus) 84
Chaetoceros muelleri (C. muelleri) 83
Synedra acus (S. acus) 83
Oocystis lacustis (O. lacustis) 81
Chroomonas acuta (C. acuta) 80
Cocconeis placentula (C. palcetula) 76
Euglena sp. 69
Oscillatoria agardhii (O. agardhii) 67
Gymnodinium sp. 66
Cryptomonas erosa (C. erosa) 63
Ochroomonas sp. 59
Cyclotella meneghiniana (C. meneghiniana ) 59
Aulacoseira granulata (A. granulata) 56
Nitzschia sp. 54
Carteria sp. 41
Amiphiprora sp. 39
Cryptomonas ovata (C.ovata) 33
Cyclotella sp. 29
Melosira varians (M. varians) 29