Distribution of soil carbon and nitrogen in two typical forests in the semiarid region of the Loess Plateau, China
文献类型：期刊论文
| 作者 | Bian-Lan Song1,2,4; Mei-Jie Yan1,2; Hao Hou2; Jin-Hong Guan1,2; Wei-Yu Shi3; Guo-Qing Li1,2; Sheng Du1,2 |
| 刊名 | Catena
 |
| 出版日期 | 2016-04-17 |
| 期号 | 143页码:159-166 |
| 通讯作者邮箱 | yanmj@ms.iswc.ac.cn ; shengdu@ms.iswc.ac.cn |
| 关键词 | Carbon storage Loess Plateau Soil organic carbon (SOC) Soil inorganic carbon (SIC) Soil total nitrogen (STN) Vertical distribution |
| 通讯作者 | Sheng Du |
| 英文摘要 |
Forest ecosystems on the Loess Plateau are receiving increasing attention for their special importance in carbon
sequestration and in the conservation of soil and water in the region. To evaluate soil carbon and nitrogen
accumulation in two typical forests in the region, we conducted plot surveys in three near-mature stands for
each forest type. Soil samples within 0–200 cmwere collected fromdifferent depths, and the soil organic carbon
(SOC), inorganic carbon (SIC), and total nitrogen (STN)were measured. The results indicate that the oak (Quercus
liaotungensis) forests had greater SOC and STNcontents and lower soil buck density than the black locust (Robinia
pseudoacacia) plantations within top soil layers. Both SOC and STN contents decreased with soil depth, and the
differences between the forest types became insignificant in layers beneath 50 cm. The total accumulations of
SOC and STN were larger in the oak forests than in the black locust plantations, particularly in the upper soil
layers. The results suggest that the oak forest has advantages over the plantation forest regarding SOC and nitrogen
accumulation in the upper soil layer, and both types of forest soils have acted as substantial carbon sinks.
However, in the loess soil in this region, there were considerable amounts of SIC storage (4–5 times of SOC in
deep layers), and the amounts of soil total carbon (STC) did not differ obviously between the two ecosystems.
Relative to the conventional soil survey of 100-cm depth, the SOC, STN and STC stored in 100–200 cm deep
soil account for 0.45, 0.49 and 0.91 times in the oak forests, respectively, compared to 0.65, 0.65 and 1.01 times
in the black locust plantations for SOC, STN and STC, respectively. Thick loess soil coupled with dry climate
may be attributable to the development of root system and consequent SOC and STN distribution into deeper
layer. This suggests that deep soil layers contribute considerable amounts and should not be omitted in soil
carbon estimates. |
| 收录类别 | SCI |
| 原文出处 | http://www.sciencedirect.com/science/article/pii/S0341816216301369 |
| 语种 | 英语 |
| WOS记录号 | WOS:000376800800018 |
| 源URL | [http://ir.iswc.ac.cn/handle/361005/7748]  |
| 专题 | 水土保持研究所_水保所科研产出--SCI_2016--SCI |
| 作者单位 | 1.State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences, Yangling, Shaanxi 712100, China 2.Institute of Soil and Water Conservation, Northwest A&F University, Yangling, Shaanxi 712100, China 3.State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, Shaanxi 710075, China 4.University of Chinese Academy of Sciences, Beijing 100049, China |
| 推荐引用方式 GB/T 7714 | Bian-Lan Song,Mei-Jie Yan,Hao Hou,et al. Distribution of soil carbon and nitrogen in two typical forests in the semiarid region of the Loess Plateau, China[J]. Catena,2016(143):159-166. |
| APA | Bian-Lan Song.,Mei-Jie Yan.,Hao Hou.,Jin-Hong Guan.,Wei-Yu Shi.,...&Sheng Du.(2016).Distribution of soil carbon and nitrogen in two typical forests in the semiarid region of the Loess Plateau, China.Catena(143),159-166. |
| MLA | Bian-Lan Song,et al."Distribution of soil carbon and nitrogen in two typical forests in the semiarid region of the Loess Plateau, China".Catena .143(2016):159-166. |
入库方式： OAI收割
来源：水土保持研究所
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