Soil texture controls vegetation biomass and organic carbon storage in arid desert grassland in the middle of Hexi Corridor region in Northwest China
文献类型：期刊论文
| 作者 | Su, Yongzhong; Wang, Jiuqiang; Yang, Rong; Yang, Xiao; Fan, Guiping |
| 刊名 | SOIL RESEARCH
 |
| 出版日期 | 2015 |
| 卷号 | 53期号:4页码:366-376 |
| 关键词 | arid desert grassland Northwest China soil texture SOC stock vegetation biomass |
| ISSN号 | 1838-675X |
| DOI | 10.1071/SR14207 |
| 通讯作者 | Su, Yongzhong(suyzh@lzb.ac.cn) |
| 英文摘要 | Soil texture plays an important role in controlling vegetation production and soil organic carbon (SOC) concentration in arid desert grassland ecosystems. However, little is known about the occurrence and extent of these textural effects in the arid desert grasslands of Northwest China. This study used 160 soil profiles taken from 32 desert grassland sites in similar topographical units (alluvial-diluvial fans) in the middle of Hexi Corridor region of Northwest China to investigate vegetation biomass, SOC storage, and soil texture of seven layers in the top 100cm of soil. The mean aboveground biomass, below-ground biomass, and total biomass in arid desert grassland were 155.3, 95.3, and 256.3gm(-2), respectively. More than 95% of the below-ground biomass was distributed in the top 30cm of soil. Spatially, vegetation biomass was positively related to soil clay content and silt+clay content. The mean SOC density in the top 100cm was 2.94kgm(-2) and similar to 46.8% of the storage was concentrated in the top 30cm. SOC concentrations and stocks were positively and significantly related to clay content and silt+clay content in the seven soil layers sampled from the top 100cm. The soil silt+clay content explained 42-79% of the variation in SOC stocks in the different soil depths. In conclusion, soil texture appears to be an important control on vegetation productivity and SOC capacity in arid Hexi Corridor desert grassland soils. |
| 收录类别 | SCI |
| WOS关键词 | BIOTIC CONTROLS ; PATTERNS ; MATTER ; NITROGEN ; CLIMATE ; PLAINS ; STEPPE ; STOCKS ; WATER ; POOL |
| WOS研究方向 | Agriculture |
| WOS类目 | Soil Science |
| 语种 | 英语 |
| WOS记录号 | WOS:000357123100002 |
| 出版者 | CSIRO PUBLISHING |
| URI标识 | http://www.irgrid.ac.cn/handle/1471x/2555570 |
| 专题 | 寒区旱区环境与工程研究所 |
| 通讯作者 | Su, Yongzhong |
| 作者单位 | Chinese Acad Sci, Cold & Arid Reg Environm & Engn Res Inst, Key Lab Inland River Basin Ecohydrol, Linze Inland River Basin Res Stn, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Su, Yongzhong,Wang, Jiuqiang,Yang, Rong,et al. Soil texture controls vegetation biomass and organic carbon storage in arid desert grassland in the middle of Hexi Corridor region in Northwest China[J]. SOIL RESEARCH,2015,53(4):366-376. |
| APA | Su, Yongzhong,Wang, Jiuqiang,Yang, Rong,Yang, Xiao,&Fan, Guiping.(2015).Soil texture controls vegetation biomass and organic carbon storage in arid desert grassland in the middle of Hexi Corridor region in Northwest China.SOIL RESEARCH,53(4),366-376. |
| MLA | Su, Yongzhong,et al."Soil texture controls vegetation biomass and organic carbon storage in arid desert grassland in the middle of Hexi Corridor region in Northwest China".SOIL RESEARCH 53.4(2015):366-376. |
入库方式： iSwitch采集
来源：寒区旱区环境与工程研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。