Soil Thresholds for Classification of Vegetation Types in Abandoned Cropland on the Loess Plateau, China
文献类型：期刊论文
| 作者 | Jia Yan-feng ; Jiao Ju-ying ; Wang Ning |
| 刊名 | ARID LAND RESEARCH AND MANAGEMENT
 |
| 出版日期 | 2011 |
| 卷号 | 25期号:2页码:150-163 |
| 关键词 | classification tree CVA secondary succession soil thresholds TWINSPAN |
| 通讯作者 | Jiao, JY |
| 英文摘要 | Soil erosion is a severe environmental problem on the Loess Plateau, China. Vegetation restoration is the most efficient method to control soil erosion and introducing late-successional plant species may accelerate natural succession. However, the progress is affected by soil conditions and the appropriate thresholds of soil condition for seed addition are needed. Our objectives were to identify the vegetation types, examine the key soil factors affecting the vegetation variation, and determine the thresholds of the soil factors for each vegetation type. Five vegetation types in secondary succession were identified: association (assoc.) Artemisia scoparia assoc. Bothriochloa ischaemum assoc. Artemisia gmelinii Artemisia giraldii assoc. Ostryopsis davidiana Rubus parvifolius L., Syringa oblate and assoc. Sophora viciifolia Years since abandonment (YEAR), alkali-hydrolysable nitrogen (AHN), soil water content (SW), and total phosphorus (TP) were the key factors used to discriminate among vegetation types. Assoc. A. scoparia developed in croplands that had been abandoned for less than 11 years. Assoc. B. ischaemum developed in croplands abandoned for more than 11 years with lower soil nutrient levels (0.30 <= TP <= 0.646 g kg(-1) and 16.72 <= AHN <= 32.62mg kg(-1)). Assoc. A. gmelinii + A. giraldii always required greater TP (0.646 <= TP <= 0.79 g kg(-1)) to develop. When soil water content was lower (6.6 <= SW <= 8.4%), the assoc. S. viciifolia developed; otherwise, other associations, such as assoc. O. davidiana, developed. These soil thresholds can be used as references for guiding restoration, such as specifying proper soil conditions for seed sowing. |
| 收录类别 | SCI |
| 语种 | 英语 |
| 公开日期 | 2012-06-04 |
| 源URL | [http://ir.iswc.ac.cn/handle/361005/4729]  |
| 专题 | 水土保持研究所_水保所知识产出(1956-2013) |
| 推荐引用方式 GB/T 7714 | Jia Yan-feng,Jiao Ju-ying,Wang Ning. Soil Thresholds for Classification of Vegetation Types in Abandoned Cropland on the Loess Plateau, China[J]. ARID LAND RESEARCH AND MANAGEMENT,2011,25(2):150-163. |
| APA | Jia Yan-feng,Jiao Ju-ying,&Wang Ning.(2011).Soil Thresholds for Classification of Vegetation Types in Abandoned Cropland on the Loess Plateau, China.ARID LAND RESEARCH AND MANAGEMENT,25(2),150-163. |
| MLA | Jia Yan-feng,et al."Soil Thresholds for Classification of Vegetation Types in Abandoned Cropland on the Loess Plateau, China".ARID LAND RESEARCH AND MANAGEMENT 25.2(2011):150-163. |
入库方式： OAI收割
来源：水土保持研究所
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。