Section

Polyhaline

Oligohaline

Limnetic

Sites

PH1

PH2

PH3

PH4

OLH

LIM

Distance from the river mouth

(km)

0.00¹

12.92

16.40

Averaged salinity of river water (-) [n = 7]

17.5¹

1.1

0.3

Maximum salinity of river water (-)

25.0¹

4.0

0.5

Averaged salinity of river water at the spring tide (-) [n = 3]

21.9¹

1.3

0.5

Distance from the shore line (m)

0

8

18

21

0

0

Flooding period at the spring tide (min/d)

452.0 ± 97.9

257.4 ± 54.0

0

0

-

-

NaCl concentration in soil (%)

0 - 10 cm depth horizon

0.440

0.099

0.045

0.033

0.027

0.007

10 - 20 cm depth horizon

0.395

0.267

0.073

0.041

0.025

0.011

20 - 30 cm depth horizon

0.411

0.223

0.071

0.070

0.029

0.015

30 - 40 cm depth horizon

0.404

0.300

0.078

0.078

0.045

0.014

Culm density (number/m²)

51.3

91.3

18

9.3

60

34

Shoot biomass (kg/ m²)

0.410

1.096

0.288

0.316

12.012

4.624

Seed production (number/ m²)

0

8141

1307

7136

20905

57186

Seed weight (mg/100 seeds)

19.3 ± 1.2²

25.6 ± 6.6

11.0 ± 3.7