CAJ | 학술논문

概述了四川省达县气候、土壤、河流和森林植被等状况,分析了退耕还林的必要性,重点分析了引种树种与乡土树种的品质、保土固水能力和适应性等方面的差异,提出在退耕还林中应重点发展乡土树种,以达到对水土流失标本兼治的目的.
개술료사천성체현기후、토양、하류화삼림식피등상황,분석료퇴경환림적필요성,중점분석료인충수충여향토수충적품질、보토고수능력화괄응성등방면적차이,제출재퇴경환림중응중점발전향토수충,이체도대수토류실표본겸치적목적.
The climate,soil,river and forest vegetation in Daxian are introduced.The necessity of returning farmland to forest is analyzed,and the differences of qualities,ability of conserving soil and water between native tree species and introduced tree species are emphatically analyzed.The native tree species should be emphatically developed in returning farmland to forest to control the soil and water loss from the symptoms and root cause.