Table A1.
Methane production rates and lag times of all samples.
| Vegetation belts | CH4-rate (nmol g−1 d−1)a | Lag (d) | Nubra Valleyb | CH4-rate (nmol g−1 d−1) | Lag (d) | Tsomoriri Plains | CH4-rate (nmol g−1 d−1) | Lag (d) |
|---|---|---|---|---|---|---|---|---|
| Arid-biocrust 1 | 378.0 | 16 | N1/1A | BLDc | TS 1A-top/biocrust | BLD | ||
| Arid-biocrust 2 | 93.0 | 14 | N1/1B | BLD | TS 1A-top/bare soil | BLD | ||
| Arid-biocrust 3 | 515.9 | 17 | N1/1C | BLD | TS 1A-bottom/biocrust | BLD | ||
| Arid-bare soil 1 | 8.9 | 21 | N1/2A | BLD | TS 1A-bottom/bare soil | BLD | ||
| Arid-bare soil 2 | 2.7 | 41 | N1/2B | BLD | TS 1B-top/biocrust | BLD | ||
| Arid-bare soil 3 | 46.5 | 22 | N1/2C | 0.51 | 43 | TS 1B-top/bare soil | BLD | |
| Steppe-biocrust 1 | 236.1 | 16 | N1/3A | 169.8 | 31 | TS 1C-top/biocrust | BLD | |
| Steppe-biocrust 2 | 21.8 | 16 | N1/3B | 2.3 | 32 | TS 1C-top/bare soil | BLD | |
| Steppe-biocrust 3 | 38.2 | 12 | N1/3C | 3.0 | 31 | TS 1C-bottom/biocrust | BLD | |
| Steppe-bare soil 1 | 25.2 | 19 | N2/1A | BLD | TS 1C-bottom/bare soil | BLD | ||
| Steppe-bare soil 2 | 19.9 | 19 | N2/1B | 0.4 | 38 | TS 2A-top/biocrust | BLD | |
| Steppe-bare soil 3 | 6.4 | 25 | N2/1C | 2.4 | 41 | TS 2A-top/bare soil | BLD | |
| Subnival-biocrust 1 | 875.9 | 14 | N2/2A | 5.2 | 47 | TS 2B-top/biocrust | 330.8 | 32 |
| Subnival-biocrust 2 | 1208.0 | 14 | N2/2B | 0.3 | 45 | TS 2B-top/bare soil | 0.3 | 39 |
| Subnival-biocrust 3 | 420.1 | 16 | N2/2C | 1.42 | 18 | TS 2B-bottom/biocrust | BLD | |
| Subnival-bare soil 1 | 125.6 | 16 | N2/3A | BLD | TS 2B-bottom/bare soil | BLD | ||
| Subnival-bare soil 2 | 75.8 | 20 | N2/3B | BLD | TS 2C-top/biocrust | 15.7 | 33 | |
| Subnival-bare soil 3 | 57.9 | 21 | N2/4A | 4.8 | 22 | TS 2-top/bare soil | BLD | |
| N2/4B | 0.3 | 41 | TS 2C-bottom/biocrust | 0.1 | ||||
| N2/4C | 1.1 | 40 | TS 2C-bottom/bare soil | BLD | ||||
| N2/5A | 0.8 | 48 | TS 3A-top/biocrust | 62.9 | 14 | |||
| N2/5B | 1.8 | 41 | TS 3A-top/bare soil | 10.0 | 28 | |||
| N2/5C | 5.4 | 26 | TS 3B-top/biocrust | 87.6 | 35 | |||
| N2/6A | 2.1 | 21 | TS 3B-top/bare soil | BLD | ||||
| N3/1A | 11.27 | 23 | TS 3B-bottom/biocrust | 849.8 | 18 | |||
| N3/1B | 8.6 | 26 | TS 3B-bottom/bare soil | 265.3 | 18 | |||
| N3/1C | 68.4 | 13 | TS 3C-top/biocrust | 66.4 | 23 | |||
| N3/2A | 0.5 | 28 | TS 3C-top/bare soil | 113.5 | 21 | |||
| N3/2B | 14.3 | 32 | TS 3C-bottom/biocrust | 497.1 | 19 | |||
| N3/2C | 111.1 | 17 | TS 3C-bottom/bare soil | 56.0 | 19 | |||
| N3/3A | 1.1 | 21 | ||||||
| N3/3B | 0.5 | 26 | ||||||
| N3/3C | 7.3 | 15 | ||||||
| N3/4A | BLD | |||||||
| N3/4B | 142.4 | 15 | ||||||
| N3/4C | 0.6 | 29 | ||||||
a
Means of the 3 technical replicates.
b
Samples from Nubra Valley were all biocrust samples.
c
BLD, below the limit of detection.