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- Title
Dynamic changes of surface soil organic carbon and light-fraction organic carbon after mobile dune afforestation with Mongolian pine in Horqin Sandy Land.
- Authors
Shang Wen; Li Yu-Qiang; Wang Shao-Kun; Feng Jing; Su Na
- Abstract
This paper studied the dynamic changes of surface (0-15 cm) soil organic carbon (SOC) and light-fraction organic carbon (LFOC) in 25-and 35-year-old sand-fixing Mongolian pine (Pinus sylvestris var. mongolica) plantations in Horqin Sandy Land, with a mobile dune as a comparison site. After the afforestation on mobile dune, the content of coarse sand in soil decreased, while that of fine sand and clay-silt increased significantly. The SOC and LFOC contents also increased significantly, but tended to decrease with increasing soil depth. Afforestation increased the storages of SOC and LFOC in surface soil, and the increment increased with plantation age. In the two plantations, the increment of surface soil LFOC storage was much higher than that of SOC storage, suggesting that mobile dune afforestation had a larger effect on surface soil LFOC than on SOC.
- Subjects
HORQIN Desert (China); CHINA; SAND dunes; SCOTS pine; AFFORESTATION; CARBON in soils; SOIL testing; PLANTATIONS
- Publication
Yingyong Shengtai Xuebao, 2011, Vol 22, Issue 8, p2069
- ISSN
1001-9332
- Publication type
Article