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. 2000 Sep;66(9):4004–4011. doi: 10.1128/aem.66.9.4004-4011.2000

TABLE 3.

Cyanobacterial presence in the lake communities in September 1998a-microscopic examination of plankton net samples (25 μm)

Cyanobacterium Presence or absence of cyanobacteria in Lakeb:
Steinsfjorden Gjersøen Fløtjønni Langen Stensrudtjernet Holstadvatnet Østensjøvannet Årungen
Anabaena planktonica +++++ +++++
Anabaena crassa +
Anabaena spiroides ++++
Anabaena lemmermannii +
Anabaena cf. curva + ++
Anabaena planktonica +
Anabaena sp. strain Bory ++ +++++
Aphanizomenon cf. klebahnii +++
Aphanizomenon cf. gracile +
Aphanothece sp. +++
Microcystis aeruginosa + ++ +
M. cf. flos-aquae + +
M. botrys + +++
M. ichthyoblabe +++
M. wesenbergii +++
Planktothrix agardhii +++++ +
P. prolifica +++
P. rubescens ++++
Woronichinia naegeliana +
a

Determined by microscopic examination of plankton net samples (25 μm). 

b

−, not observed; +, sporadically seen; ++, few seen; +++, common; ++++, abundant; +++++, dominant.