Characteristics of Ecosystem Carbon Stocks in Pinus Massoniana Plantations with Different Restoration Age on Severely Eroded Red Soils in Southern China

Liu Zheng; Xu Wenbin; Tian Di; Ge Zhiqiang; Liu Jun; Hu Yalin

doi:10.13961/j.cnki.stbctb.2019.01.006

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Characteristics of Ecosystem Carbon Stocks in Pinus Massoniana Plantations with Different Restoration Age on Severely Eroded Red Soils in Southern China

- Characteristics of Ecosystem Carbon Stocks in Pinus Massoniana Plantations with Different Restoration Age on Severely Eroded Red Soils in Southern China
- Bulletin of Soiland Water Conservation Vol. 39, Issue 1, Pages: 37-42(2019)
- 作者机构：
  
  福建农林大学林学院森林生态-稳定同位素中心,福建,福州,350002
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2019.01.006
  CLC：
- Published：2019
- 稿件说明：
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Liu Zheng, Xu Wenbin, Tian Di, et al. Characteristics of Ecosystem Carbon Stocks in Pinus Massoniana Plantations with Different Restoration Age on Severely Eroded Red Soils in Southern China[J]. Bulletin of Soiland Water Conservation, 2019, 39(1): 37-42.
DOI：

Liu Zheng, Xu Wenbin, Tian Di, et al. Characteristics of Ecosystem Carbon Stocks in Pinus Massoniana Plantations with Different Restoration Age on Severely Eroded Red Soils in Southern China[J]. Bulletin of Soiland Water Conservation, 2019, 39(1): 37-42. DOI： 10.13961/j.cnki.stbctb.2019.01.006.

摘要

[目的]研究南方红壤侵蚀地不同恢复年限植被生态系统碳库储量，为该地区马尾松人工林制定合理的森林经营方式提供理论支持。[方法]以福建省长汀县河田镇裸地、不同恢复年限（10，20，30 a生）马尾松人工林和天然次生林为研究对象，测定不同恢复阶段林地植被和土壤碳库储量。[结果]马尾松人工林植被恢复能够显著提高植被和土壤碳库储量。10 a，20 a，30 a生马尾松人工林与裸地相比生态系统碳库储量分别增加2.80，3.54，8.56倍，但依然低于天然次生林；马尾松人工林植被恢复能够显著提高表层（0-10 cm）土壤碳库储量，而对深层土壤碳库储量影响不显著；不同恢复阶段植被和土壤碳库增加速率不同，呈现非线性增加。[结论]南方红壤严重侵蚀地植被恢复能够增加生态系统碳库储量，但该地区土壤碳库的恢复是长期的缓慢过程。今后应加强南方红壤地区森林植被的保护，避免植被过度干扰和破坏而引起严重土壤侵蚀。

Abstract

[Objective] To study the impacts of vegetation restoration stage on ecosystem carbon stocks of red soil regions in Southern China

in order to provide theoretical support for establishing reasonable forest management mode in Pinus massoniana plantation. [Methods] We studied the changes of carbon stocks in plant and soil pools in bare land

Pinus massoniana plantations with different age (10

20 and 30 years old)

and natural secondary forests in Hetian Town

Changting County in Fujian Province. [Results] The restoration of P. massoniana plantations could significantly improve the ecosystem carbon stocks. Compared with bare land

the carbon stocks in 0-10

20-30

and 30 years old P. massoniana plantations was increased by 2.80

3.54 and 8.56 times

respectively

but still lower than that in natural secondary forest. The restoration of P. massoniana plantations could increase carbon stocks in the surface (0-10 cm) soil

but had no significant effect on the carbon stocks of deep soil. The increase rate of soil carbon storks was different at different vegetation restoration stages

showing a non-linear increase. [Conclusion] Vegetation restoration on the eroded red soils could improve ecosystem carbon stocks in Southern China

but soil C restoration in this region was a long-term and slow process. Thus

we should pay more attention to protect natural vegetation and avoid soil erosion induced by the vegetation deterioration.

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