Research Article
Influence of Long-Term Thinning on the Biomass Carbon and Soil Respiration in a Larch (Larix gmelinii) Forest in Northeastern China
Table 2
Annual effluxes from different components of soil respiration at the thinned and unthinned sites.
| | | Heterotrophic |
Autotrophic R from roots |
Total | Year | Items | From mineral soil | From litters | Subtotal | | | Unthinned | Thinned | Unthinned | Thinned | Unthinned | Thinned | Unthinned | Thinned | Unthinned | Thinned |
| 2005 | Amount (mol m−2 yr−1) | 28.7 | 32.1 | 10.1 | 5.9 | 38.8 | 38.0 | 8.0 | 8.8 | 46.8 | 46.8 | Difference | 3.4 | −4.2 | −0.8 | 0.8 | 0.0 |
| 2006 | Amount (mol m−2 yr−1) | 27.7 | 30.7 | 9.7 | 5.5 | 37.4 | 36.2 | 7.6 | 8.3 | 44.9 | 44.6 | Differences | 3.0 | −4.2 | −1.2 | 0.7 | −0.3 |
| 2007 | Amount (mol m−2 yr−1) | 27.7 | 30.9 | 9.6 | 5.6 | 37.3 | 36.5 | 7.5 | 8.4 | 44.8 | 44.8 | Differences | 3.2 | −4.0 | −0.7 | 0.9 | 0.0 |
| Mean | Amount (mol m−2 yr−1) | 28.0 | 31.2 | 9.8 | 5.7 | 37.8 | 36.9 | 7.7 | 8.5 | 45.5 | 45.4 | Differences | 3.2 | −4.1 | −0.9 | 0.8 | −0.1 |
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