| [water and soil conservation function of typical plantation forest ecosystems in semi-arid region of western liaoning province]. | from the aspects of surface runoff and soil erosion, this paper quantitatively studied the water and soil conservation function of five plantation forest ecosystems in semi-arid region of western liaoning province. the results showed that various types of test plantation forest ecosystems were all able to reduce surface runoff and soil erosion effectively. in june - september, the monthly mean surface runoff coefficient of pinus tabulaeformis forest ecosystem, p. tabulaeformis - hippophae rhamno ... | 2007 | 18333474 |