Table 2 Biological parameters (average ± standard deviation; n = 4).

From: Short-term effects of non-grazing on plants, soil biota and aboveground-belowground links in Atlantic mountain grasslands

  6230a-NG 6230a-G 6170-NG 6170-G 6230c-NG 6230c-G valley-NG valley-G t-value p-value
Root depth (cm) 23 ± 5 23 ± 5 19 ± 3 18 ± 5 26 ± 3 24 ± 5 16 ± 3 14 ± 5 1.025 0.315
Root abundance (index: 1–10) 9.5 ± 0.6 9.5 ± 0.6 7.8 ± 1.0 6.8 ± 1.0 8.1 ± 0.5 8.3 ± 0.5 7.1 ± 0.9 6.4 ± 1.3 1.616 0.118
Macrofauna types (number) 2.8 ± 1.5 1.5 ± 1.3 3.0 ± 1.4 2.5 ± 0.6 3.0 ± 1.4 3.0 ± 1.2 6.5 ± 1.7 4.0 ± 0.8 2.247 0.033
Mesofauna (index) 55 ± 17 66 ± 18 36 ± 10 45 ± 6 54 ± 4 63 ± 5 53 ± 8 58 ± 16 −2.235 0.034
CO2 emissions (g CO2 m−1 h−1) 1.0 ± 0.2 0.7 ± 0.1 1.2 ± 0.3 1.2 ± 0.2 2.1 ± 0.4 1.3 ± 0.2 1.7 ± 0.6 1.2 ± 0.3 3.434 0.002
Basal respiration (mg C-CO2 kg−1 h−1) 4.9 ± 1.2 4.7 ± 1.0 2.3 ± 0.4 1.9 ± 0.3 2.1 ± 0.4 2.2 ± 0.4 2.0 ± 0.7 1.3 ± 0.3 1.211 0.237
SIR (mg C-CO2 kg−1 h−1) 28 ± 4 31 ± 3 24 ± 5 20 ± 4 13 ± 4 16 ± 3 16 ± 3 16 ± 2 −0.495 0.624