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. 2018 Dec 12;13(12):e0208845. doi: 10.1371/journal.pone.0208845

Table 1. Measured soil physicochemical parameters, presented as means and standard deviations of transects (distances of 0.5, 1, 1.5, 2 m) and grave soils (distance of 0 m).

n = 3 samples from three independent transects or 3 grave soil samples. DON = dissolved organic nitrogen; DOC = dissolved organic carbon. * = sample collected from the ribcage.

Distance from grave (m) Depth (cm) Gravimetric moisture pH Conductivity (μS cm-1) Ammonium (μg NH4-N gdw-1) Nitrification potential rate (mg NO2--N gdw-1 day-1) CO2 released (μg C gdw-1 day-1) DOC (mg CO2 gdw-1) Nitrate (μg NO3--N gdw-1) DON (μg N gdw-1) Bacterial gene copies (x 108) gdw-1 Fungal gene copies (x 108) gdw-1
2 0–5 0.377 ± 0.03 6.75 ± 0.25 29.92 ± 9.75 7.39 ± 1.8 0.126 ± 0.10 30.9 ± 5.6 2.94 ± 0.6 3.31 ± 2.5 11.31 ± 0.8 125 ± 19 5.3 ± 3.8
2 30–35 0.309 ± 0.02 6.05 ± 0.77 10.91 ± 2.83 2.54 ± 1.2 0.039 ± 0.03 6.18 ± 1.2 5.26 ± 6.2 0.451 ± 0.21 12.69 ± 8.3 28.5 ± 39 3.5 ± 3.0
1.5 0–5 0.397 ± 0.04 6.82 ± 0.19 28.37 ± 9.83 9.00 ± 4.7 0.174 ± 0.14 37.6 ± 6.9 3.09 ± 0.9 3.34 ± 1.3 16.41 ± 6.3 134 ± 76 5.5 ± 3.9
1.5 30–35 0.335 ± 0.03 6.28 ± 0.73 13.3 ± 7.15 2.86 ± 0.6 0.038 ± 0.03 10.1 ± 0.8 3.52 ± 2.0 0.606 ± 0.35 8.14 ± 2.1 57.2 ± 43 4.1 ± 4.9
1 0–5 0.374 ± 0.02 6.68 ± 0.22 30.75 ± 12.05 5.75 ± 0.5 0.120 ± 0.05 31.0 ± 8.9 2.16 ± 0.5 3.74 ± 2.3 10.19 ± 1.2 123 ± 64 5.8 ± 2.7
1 30–35 0.267 ± 0.03 6.60 ± 0.67 20.75 ± 1.36 2.75 ± 0.3 0.023 ± 0.01 6.78 ± 2.5 2.42 ± 1.8 0.708 ± 0.23 5.09 ± 0.3 37.1 ± 14 2.2 ± 0.56
0.5 0–5 0.315 ± 0.02 6.77 ± 0.22 27.04 ± 9.61 5.57 ± 2.0 0.053 ± 0.03 22.6 ± 8.7 1.54 ± 0.5 2.65 ± 1.1 10.03 ± 3.6 127 ± 32 8.3 ± 1.3
0.5 30–35 0.236 ± 0.01 6.74 ± 0.48 12.74 ± 1.75 2.99 ± 1.3 0.036 ± 0.03 8.39 ± 3.2 0.99 ± 0.5 0.943 ± 0.48 5.02 ± 1.0 25.6 ± 17 2.3 ± 1.8
0 0–5 0.321 ± 0.01 6.40 ± 0.38 18.26 ± 7.35 4.23 ± 1.8 0.011 ± 0.04 20.0 ± 7.7 2.18 ± 0.6 2.23 ± 0.6 7.51 ± 1.4 40.2 ± 19 5.9 ± 2.1
0 30–35 0.375 ± 0.02 6.21 ± 0.13 19.48 ± 10.7 3.84 ± 1.4 0.040 ± 0.01 21.0 ± 21 1.93 ± 0.8 3.55 ± 2.1 9.98 ± 2.3 21.0 ± 26 21 ± 35
0 40* 0.974 6.36 48.57 14.181 0.227 273 5.50 ± 0.6 0.839 22.62 629 ± 12 796 ± 18
0 70–75 0.464 ± 0.04 7.20 ± 0.51 134.8 ± 38.1 742 ± 389 -0.061 ± 0.03 83.5 ± 29 6.96 ± 4.6 1.04 ± 1.1 126.1 ± 37 26.2 ± 17 20 ± 13
0 85–90 0.335 ± 0.02 7.66 ± 0.36 139.9 ± 16.4 1075 ± 390 0.006 ± 0.03 23.6 ± 2.9 5.19 ± 2.5 3.22 ± 3.0 110.4 ± 13 0.51 ± 0.7 0.02 ± 0.03
Control (off-grave) 0–5 0.476 7.04 40.40 8.043 0.569 38.4 4.43 5.530 16.490 234 ± 2.4 79 ± 0.42
Control (off-grave) 30–35 0.312 7.47 21.06 2.636 0.048 7.72 1.09 0.851 6.174 29 ± 0.32 1.9 ± 0.061
Control grave 0–5 0.342 6.66 14.19 4.956 0.040 31.7 1.60 0.949 7.632 101 ± 1.2 6.0 ± 0.23
Control grave 30–35 0.309 6.30 4.316 2.099 0.054 5.56 2.13 0.947 7.016 16 ± 0.096 1.7 ± 0.009