Table 2 Variation characteristics of soil nutrients.
Different conditions | Indicators of soil nutrients | ||||||||
|---|---|---|---|---|---|---|---|---|---|
Bulk density (g·cm−3) | P (g·kg−1) | K (g·kg−1) | Ca (g·kg−1) | Mg (g·kg−1) | N (g·kg−1) | C/N | C/P | N/P | |
Habitat conditions | |||||||||
Shrub-beach | 1.02 | 0.12 | 3.55 | 1.13 | 3.58 | 1.17 | 9.38 | 157.52 | 15.95 |
Woodland | 1.00 | 0.20 | 5.69 | 2.07 | 4.50 | 1.90 | 7.56 | 73.20 | 10.58 |
Estuary-riverside | 0.85 | 0.17 | 5.15 | 1.12 | 2.39 | 0.93 | 13.15 | 74.13 | 6.26 |
Offshore distance | |||||||||
0 | 1.04 | 0.16 | 2.32 | 1.66 | 2.65 | 0.22 | 18.85 | 22.76 | 1.45 |
500 | 0.95 | 0.13 | 3.74 | 0.93 | 2.24 | 0.90 | 12.63 | 76.68 | 6.63 |
1000 | 0.96 | 0.19 | 5.03 | 1.19 | 3.34 | 1.04 | 10.39 | 52.65 | 6.12 |
1500 | 0.99 | 0.14 | 4.30 | 1.12 | 2.76 | 1.04 | 9.74 | 70.36 | 7.80 |
2000 | 0.90 | 0.15 | 4.63 | 1.97 | 3.21 | 1.27 | 10.90 | 115.57 | 11.34 |
2500 | 0.88 | 0.12 | 5.71 | 0.90 | 3.39 | 1.37 | 9.75 | 120.89 | 12.63 |
3000 | 0.85 | 0.17 | 5.03 | 0.93 | 3.00 | 1.18 | 9.02 | 59.44 | 7.23 |
3500 | 1.00 | 0.17 | 6.01 | 1.73 | 3.51 | 1.28 | 11.05 | 86.64 | 8.89 |
4000 | 0.83 | 0.13 | 4.09 | 1.63 | 3.01 | 1.78 | 9.98 | 211.88 | 20.66 |
4500 | 0.84 | 0.22 | 6.76 | 1.21 | 3.21 | 1.58 | 10.51 | 108.27 | 10.67 |
5000 | 0.84 | 0.25 | 6.34 | 1.34 | 3.40 | 1.50 | 10.29 | 112.97 | 10.59 |