宁夏水土保持及区划研究.PDF

12 6 . 12 . 6 Vo l N o 2005 12 Resear ch o f Soil and Water Conserv ation Dec. , 2005 1 2 魏　晓, 孙峰华 ( 1. , 410004; 2. , 264025 : , , 5 , : ; ; ; ; : ; ; ; : S 157: A : 1005-3409( 2005 06-0 119-03 Study on Soil and Water Conservation of Ningxia and Its Division 1 2 , - W EI Xiao SU N Feng hua ( 1. H unan I nst it ute of E conom ic Geog rap hy , Chang sha 410004 , China ; 2. T he Comm unicat ion School of L ud ong Univ er sity , Yantai , Shandong 264025 , China Abstract: T he ecolo gical env ir onment of N ingx ia is br iefly described and the impor tance and channel o f so il and w ater conserv satio n o f N ing x ia are discu ssed . N ingx ia is divided into 5 w ater and so il co nser vation areas on the basis o f its eco lo gical envir onmental co nditions . T hey are: t he basic blance ar ea o f w ater and soil resour ces in Y inchuan plain ; t he area w ith light w ater and so il lo ss o f the Helan M o unta ins fo rest law n ; the area o f mo der ate w ater a nd so il lo ss o f Y anchi- T o ngx in deser tization gr asslands; the ar ea w ith intense w at er and so il loss of Haiy uan- G uyuan g r asslands; t he ar ea of mo der ate w ater and so il lo ss of the L iupan M ountains sparse fo rest gr asslands . It pr ov ides scientif ic basis fo r the w ater and soil conserv atio n , ecolog ical env ir onm