Long-term response of living forest biomass to extensive logging in subtropical China
Hua Zhou , Shengwang Meng , Qijing Liu
Journal of Forestry Research ›› 2019, Vol. 30 ›› Issue (5) : 1679 -1687.
Forest disturbance and recovery are critical ecosystem processes, but the temporal patterns of disturbance have not been studied in subtropical China. Using a tree-ring analysis approach, we studied post-logging above-ground (ABG) biomass recovery dynamics over a 26-year period in four plots with different degrees of logging disturbance. Before logging, the ABG biomass ranged from 291 to 309 t ha−1. Soon after logging, the plots in primary forest, secondary forest, mixed forest and single-species forest had lost 33, 91, 90 and 100% of their initial ABG biomass, respectively. Twenty-six years after logging, the plots had regained 147, 62, 80 and 92% of their original ABG biomass, respectively. Over the 26 years following logging, the mean C AI (Current annual increment) were 10.1, 5.5, 6.4 and 10.8 t ha−1 a−1 and the average M AI (Mean annual increment) 8.7, 2.5, 5.6 and 7.8 t ha−1 a−1 for the four forest types, respectively. The results indicate that subtropical forests subjected to moderate logging or disturbances do not require intensive management and single-species plantings can rapidly restore the above-ground biomass to levels prior to heavy logging.
Biomass / Forest management / Harvest intensity / Subtropical evergreen broad-leaved forest / Jiulianshan Nature Reserve
| [1] |
|
| [2] |
|
| [3] |
|
| [4] |
|
| [5] |
|
| [6] |
|
| [7] |
|
| [8] |
|
| [9] |
|
| [10] |
|
| [11] |
|
| [12] |
|
| [13] |
|
| [14] |
|
| [15] |
|
| [16] |
|
| [17] |
|
| [18] |
|
| [19] |
|
| [20] |
|
| [21] |
|
| [22] |
|
| [23] |
|
| [24] |
|
| [25] |
|
| [26] |
|
| [27] |
|
| [28] |
|
| [29] |
|
| [30] |
|
| [31] |
|
| [32] |
UNFCCC (2011) Estimation of carbon stocks and change in carbon stocks of trees and shrubs in A/R CDM project activities. http://cdm.unfccc.int/public_inputs/2013/tts/draft_tts.pdf |
| [33] |
|
| [34] |
|
| [35] |
|
| [36] |
|
| [37] |
|
| [38] |
|
| [39] |
|
| [40] |
|
| [41] |
|
| [42] |
|
/
| 〈 |
|
〉 |