Table 1 Principal characteristics of the six collection sites from a macrophyte-dominated lake (Liangzi Lake) and a phytoplankton-dominated lake (Taihu Lake).

From: Differences in the regeneration traits of Potamogeton crispus turions from macrophyte- and phytoplankton-dominated lakes

Collection site

Water depth (m)

Water

Sediment

pH

Dissolved oxygen (mg L−1)

Turbidity (NTU)

NH4-N (mg L−1)

NO3-N (mg L−1)

PO4-P (μg L−1)

TN (mg g−1 DW)

TP (mg g−1 DW)

Organic matter (%)

Liangzi Lake

30°14′42″N, 114°33′15″E

2.5

7.20

6.39

3.44

0.09–0.17

0.09–0.19

7.50–7.90

1.44–1.88

0.11–0.22

9.57–11.36

30°16′20″N, 114°35′40″E

2.0

6.88

7.88

3.39

0.12–0.23

0.08–0.22

8.55–8.99

1.77–2.34

0.11–0.21

8.29–9.76

30°17′02″N, 114°35′30″E

2.3

6.89

8.21

4.05

0.10–0.22

0.27–0.40

9.20–10.23

1.99–2.54

0.16–0.30

12.2–14.34

Taihu Lake

30°56′55″N, 120°16′42″E

1.8

7.82

7.95

232.2

0.66–1.23

0.17–0.22

35.33–40.76

2.02–2.54

0.55–0.73

8.72–10.33

30°56′39″N, 120°19′50″E

1.8

7.95

7.44

178.9

0.65–0.97

0.10–0.14

22.34–26.47

2.23–2.78

0.63–0.76

10.13–12.79

30°57′33″N, 120°18′08″E

2.4

7.53

7.54

193.7

0.32–1.18

0.12–0.18

32.89–45.87

2.11–2.98

0.48–0.64

9.12–11.01

  1. For water and sediment chemical composition (i.e., N, P and organic matter), minimum and maximum ranges were given (n = 3). All samples were collected from 10:00 to 15:00.
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