小流域土地利用规划的理论与方法探讨

探讨小流域土地利用规划的理论与方法问题 ,初步提出 4个工作研究部分 ,首先要进行小流域的生态经济系统分析 ,明确小流域在不同位置上的功能差异和存在的问题 ;其次根据小流域的自然和社会经济特点 ,采用土地适宜性评价 ,研究小流域的自然适宜性 ,生态经济系统的投入产出分析 ,分析小流域农业经济发展优势 ,确定其最佳农业产业结构和具体的优化目标 ;再用目标规划确定其数量结构 ;最后根据土地适宜性评价结果和景观生态学的理论和方法 ,确定其土地利用空间布局 ,最终将最大限度地使小流域土地得到优化配置 ,功能与潜力得到发挥 ,达到可持续发展目的

Discussion about Theory and Method of Small Watershed Land Utilization Plan

The paper discusses theories and methods of small watershed land utilization plan, four study programmes is posed, firstly analyzing economic system of small watershed, making clear different function of different location of small watershed and trouble; secondly according to natural and social economical feature, studying natural suitability, analysis of economical system input output reveals superiority of agricultural development, decide best agricultural structure of product and optimal goals; thirdly goal programming defines quantitative structure; finally theory and method of landscape ecology define space structure; which will optimize collocation of land resource of small watershed, exerting function and potential of land resource, achieving the goal of small watershed sustainable development.