Table 2 The concentrations of soil total, labile, and recalcitrant organic C and N (mean ± SE, n = 12) in different land use types in the Jiangsu coast of eastern China.

From: Shift in soil organic carbon and nitrogen pools in different reclaimed lands following intensive coastal reclamation on the coasts of eastern China

Land use types

Soil organic carbon pool

Soil organic nitrogen pool

SOC (g kg−1)

SLOC (g kg−1)

SROC (g kg−1)

SON (g kg−1)

SLON (g kg−1)

SRON (g kg−1)

Phragmites australis salt marsh

3.43 ± 0.33d

1.77 ± 0.28c

1.66 ± 0.09d

0.239 ± 0.018d

0.128 ± 0.016d

0.111 ± 0.004d

Fishpond

15.07 ± 0.36a

4.89 ± 0.46a

10.18 ± 0.21a

1.403 ± 0.047a

0.983 ± 0.050a

0.420 ± 0.005a

Wheat field

9.50 ± 0.24b

4.70 ± 0.24a

4.80 ± 0.12b

0.967 ± 0.021b

0.692 ± 0.024b

0.275 ± 0.010b

Rapeseed field

6.90 ± 0.29c

3.02 ± 0.17b

3.88 ± 0.19c

0.682 ± 0.022c

0.497 ± 0.028c

0.185 ± 0.017c

Town construction land

1.86 ± 0.23e

0.82 ± 0.13d

1.04 ± 0.10e

0.219 ± 0.029d

0.191 ± 0.023d

0.028 ± 0.008e

Source of variation

      

Coastal reclamation

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  1. Different superscript lower case letters indicate statistically significant differences at the α = 0.05 level among land use types. ***P < 0.001. SOC: soil organic carbon; SLOC: soil labile organic carbon; SROC: soil recalcitrant organic carbon; SON: soil organic nitrogen; SLON: soil labile organic nitrogen; SRON: soil recalcitrant organic nitrogen.