Table 2 Results of general cyanobacterial gene analysis by quantitative polymerase chain reaction (qPCR) in water samples from Kabetogama Lake, Sullivan Bay, Northwest, near Ash River (U.S. Geological Survey Site No. 482542092493701), Voyageurs National Park, MN, USA, 2016.

From: Phytoplankton community and algal toxicity at a recurring bloom in Sullivan Bay, Kabetogama Lake, Minnesota, USA

Date

General qPCR (gene copies per 100 milliliters)

Cyanobacteria

Microcystis

Planktothrix

Dolichospermum

6/21/2016

24,000,000

<810

19,000

500,000,000

6/27/2016

27,000,000

5,000

12,000

1,100,000,000

7/6/2016

87,000,000

2,500

<540

1,400,000,000

7/12/2016

150,000,000

40,000

41,000

20,000,000,000

7/19/2016

50,000,000

38,000

250,000

1,600,000,000

7/26/2016

30,000,000

1,600

160,000

1,500,000,000

8/1/2016

71,000,000

24,000

1,200,000

5,300,000,000

8/10/2016

340,000,000

180,000

34,000,000

120,000,000,000

8/16/2016

410,000,000

210,000

97,000,000

3,500,000,000

8/23/2016

110,000,000

70,000

24,000,000

3,600,000,000

8/30/2016

130,000,000

5,800

41,000,000

2,000,000,000

9/13/2016

33,000,000

E820

11,000,000

55,000,000

  1. [DNA, deoxyrhibonucleic acid; mcyE, cyanobacterial microcystin synthetase gene copies; <, less than or below the detection limit; E, estimated value indicates above the detection limit but below the quantification limit].