№ of description

1

2

3

4

Constancy

Descriptions area, m2

General projective cover (%)

Depth (m)

Water transparency, cm

Velocity of flow, metre per second

Type of the ground or substrate

Number of species

4

100

0.1

0.1

0

Silt

6

4

90

0.1

0.1

0

Silt

5

4

90

0.2

0.2

0

Silt

4

3

50

0

0

0

Clay

9

Typha shuttleworthii W.D.J. Koch et Sond.

Lemna minor L.

Spirodela polyrhiza (L.) Schleid.

Eleocharis palustris (L.) Roem. et Schult

Alisma plantago-aquatica L.

Typha angustifolia L.

Typha latifolia L.

Scirpus sylvaticus L.

Equisetum arvense L.

Tussilago farfara L.

Cirsium setosum (Willd.) Bess.

Ranunculus repens L.

Deschampsia cespitosa (L.) Beauv.

Salix triandra L.

Trifolium repens L.

4

1

1

2

+

+

4

1

1

1

+

3

1

1

2

2

+

+

+

+

+

+

+

+

V2 - 4

IV1

IV1

III2

III+−1

I+

I+

I+

I+

I+

I+

I+

I+

I+

I+