辽西地区水土保持林合理经营技术及可持续发展理论初探步兆东.PDFVIP

14 6 Vo l. 14 No . 6 2007 12 Research of So il and Water Co nserv atio n Dec. , 2007 * 步 兆东 ( , 122400 : , , ; ; , , , , , , , , : ; ; ; : S727. 22 : A :( 2007 060 38304 Preliminary Discussion on Reasonable Management and Persistent Development of Soil and Water Conservation Forest in Liaoning West Districts BU Zhaodong ( Af f or es tat ion R es ear ch I nst it ute of L iaoning P r ov ince in A r id Z ones , J ianp ing , L iaon ing 122400, China) Abstract:T he aut ho r looked back the development pr ocess of so il and w ater co nser vatio n for est in L iaoning w est distr icts, and summar ized that the main problem s at present ar e: the com position of t he tree species is too simple, the pro ductiv ity of the for est is lo w , the div ersit y index is low , etc. T he author puts forw ar d the r easonable manag ement technolog y in L iaoning w est dis t ricts, w hich included that acco rding to the characterist ic of the soil and w at er co nserv ation forest at present , benef it the mo st from it and keep benef iting fro m it as f ar as possible, and dont disco nnect it dur ing the w oo dsrenew ing . T hat is, benef iting con t inuou sly fro m the manag ement o f the so il and w ater co nser vatio n fo rest , especially fr om the fo rest prot ection . T he author also br ing fo rw ard the highest go al fo r r easo nable management of the present soil and w ater conser vation for est . F ro m the point o f per sistent development , combining the for est gr ade and r elativ e ecolo g ical theo ry, fo rest persistent develo pment g