Table 2.
14C (% enrichment) and δ13C (‰) for paired CO2 efflux–DOC and peat samples collected to identify the impact of different land use.
| Location | Site type | Lab code | CO2 % Modern ± 1σ | CO2 14C Age BP ± 1σ | δ13C-CO2 | Lab code | DOC % Modern ± 1σ | DOC 14C Age BP ± 1σ | δ13C-DOM | |
|---|---|---|---|---|---|---|---|---|---|---|
| Location | Area | Depth (cm) | Lab code | Upper peat % Modern ± 1σ | Surface peat Age BP | δ13C-peat | Lab code | Lower peat % Modern ± 1σ | Basal peat Age BP ± 1σ | δ13C-peat |
| RT2 | Forest | SUERC-47910 | 96.22 ± 0.44 | 310 ± 37 | −17.4 | SUERC-49328 | 96.65 ± 0.44 | 273 ± 37 | −29.4 | |
| RT3 | Forest | — | — | — | — | SUERC-49327 | 98.48 ± 0.45 | 123 ± 37 | −29.4 | |
| BF1 | Forest | SUERC-47911 | 93.07 ± 0.41 | 577 ± 35 | −24.1 | SUERC-49329 | 94.17 ± 0.41 | 483 ± 35 | −29.6 | |
| BF2 | Forest | SUERC-47912 | 93.01 ± 0.43 | 582 ± 37 | −25.5 | SUERC-49330 | 94.03 ± 0.41 | 495 ± 35 | −29.0 | |
| PSF1 | Forest (log halt) | SUERC-47913 | 102.86 ± 0.45 | After 1950AD | −23.6 | SUERC-49331 | 99.96 ± 0.46 | 3 ± 37 | −29.7 | |
| WP40 | OP-Plantation | SUERC-47914 | 96.92 ± 0.42 | 251 ± 35 | −16.2 | SUERC-49334 | 91.71 ± 0.42 | 695 ± 37 | −27.5 | |
| WP41 | OP-Plantation | SUERC-47915 | 93.18 ± 0.43 | 567 ± 37 | −14.5 | SUERC-49335 | 92.93 ± 0.40 | 589 ± 37 | −28.5 | |
| WP40 | OP-Plantation | 3–8 | SUERC-72693 | 94.73 ± 0.34 | 435 ± 29 (3–8 cm) | −30.1 | SUERC-65199 | 72.87 ± 0.27 | 2542 ± 30 (181–183 cm) | −27.2 |
| 2010–2 | OP-Plantation | 3–6 | SUERC-72694 | 91.77 ± 0.33 | 690 ± 29 (3–6 cm) | −29.5 | SUERC-65204 | 73.49 ± 0.25 | 2474 ± 28 (36–38 cm) | −27.0 |
| PSF2* (Close to PSF1) | Forest | 10–13 | SUERC-75684 | 102.12 ± 0.47 | After 1950AD (10–13 cm) | −31.5 | SUERC-75686 | 61.84 ± 0.29 | 3861 ± 37 (90–100 cm) | −29.7 |
| MOP2* (Close to BF1/BF2) | Forest | — | — | — | — | — | SUERC-75693 | 61.19 ± 0.28 | 3946 ± 37 (70–80 cm) | −29.5 |