Table 1 Topography (minimum–maximum) and soil physio-chemical properties at site 1 and site 2 on King George Island

Topography

Elevation (m)

3.2–5.3

2.1–4.5

Slope degree (°)

2.5–5.2

1.8–4.8

Slope aspect (°)

95–125

160–210

Distance from shoreline (m)

110–180

55–120

Soil properties

WC (%)

6.9 ± 0.5^b

41.6 ± 4.2^a

OM (%)

3.0 ± 0.1^b

7.1 ± 0.5^a

Sand (%)

93.7 ± 0.7^a

75.8 ± 1.1^b

Clay (%)

3.5 ± 0.4^b

19 ± 1.2^a

pH

6.0 ± 0.03^a

5.4 ± 0.05^b

AP (μg/g)

5.0 ± 0.4^b

30.4 ± 2.2^a

T-N wt (%)

0.21 ± 0.03^a

0.27 ± 0.01^a