|
|
|
| Fractal features of soil particles size distribution and physical property under different measures of ecological restoration on rocky mountainous area in the middle of Shandong Province |
| Wang Li1,Liu Xia1,Zhang Guangcan1,Liu Xinru2,Guo Jing1,Yuan Li1 |
| 1.Department of Soil and Water Conservation,Shandong Agricultural University,271018,Tai'an;2.Water Resources Department of Zichuan,255100,Zichuan: Shandong,China |
|
|
|
|
Abstract For exploring the improved effect of the ecological restoration project to soil physical property,the effects of 4 different measures of ecological restoration on composition of soil particles and physical property of soil are studied.The result showed that: 1) all kind of measures can improve the hydrological and physical property of soil,which include that: the content of fine-grained soil particles was increased obviously,sand content is lower,both soil fractal dimension and the number of soil porosity(especially the number of capillary porosity) were raised,and the soil bulk density was lower;2) the improved effect of 4 kinds of measures are different,the afforesting on wild slope is the highest,both supplement planting on open forest land and the closing terrace slope for re-vegetation are higher,but the closing wild slope for re-vegetation is the lowest.3) there is correlativity obviously between the soil fractal dimension and the content of fine-grained soil particles,the number of soil porosity and soil bulk density.The soil fractal dimension is valuable for research,as an integrated index that describes the hydrological and physical property.
|
|
Received: 08 September 2006
|
|
|
|
|
null
|
|
null
|
|
|
|
