区域土地资源可持续管理评估研究——以广西梧州市为例

参考联合国粮农组织的《土地可持续管理评估大纲》中提出的五大目标,即生产力、生产的稳定性、资源的保护性、经济的可行性和社会可接受性,选择５４个因素作为参评因子,建立了梧州市土地可持续管理评估指标体系的基本框架,运用社会经济统计学方法对梧州市不同年份的土地经营管理进行了综合评估,评估结果表明,目前梧州市的土地经营管理仍处在初步可持续管理的前期阶段。评估方法简单、实用,具有一定的推广应用价值。

THE COMPREHENSIVE EVALUATION ON SUSTAINABLE LAND MANAGEMENT:A CASE STUDY OF WUZHOU CITY,GUANGXI

Based on the five aims of the“FESLM”(An international framework for evaluating sustainable land management)by FAO,i. e. productivity,security, protection,viability,and acceptability.The author puts forward the basic framework for evaluating in dexes system including 54 evaluating factors of sustainable land mana gement in Wuzhou city and makes comprehensive evaluation on sustainable land management in 1978,1985,1995,respectively.The comprehensive evaluation value is 37 14%,40 04%,55 58%, respectively.The result shows that the policy mechanism plays an evident role in land management in this period, but the land management at present in Wuzhou city is still at an initial stage of sustainable land management.The chief reasons accountable for this are the following predominant problems exist in land use in Wuzhou city at present.(a)Though the agricultural output value and product have been growing, the level of land productivity is still low.(b)The big population base results in increasingly acute man land conflicts.(c)The extensive soil and water erosion induces frequent flood disasters.(d)The serious pollution of SO2,dust and acid rain in atmosphere.(e)The proportion of industrial and agricultural development is serious out of balance and the extensive farming under natural conditions cause low yield, slow income growth of peasants and the deficient input to agriculture.(f)It is difficult to form scale economy and scale gain benefit because of small scale land management.According to the above problems, the author puts forward the technique and tactics of land sustainable management.(a)The alternative pattern for sustainable land management in mountainous and hilly areas is ecological agriculture.(b)Reasonably dispose the structure of forests and construct high productive and high effective forest resources system so that it can bring the economic, ecological and social benefits of forests into full play.(c)Harness water and soil erosion, reduce losses of flood disasters, and make the land eco environment in benign circulation.(d)Strictly control population growth and enhance the quality of population and optimize population structure.(e)Gradually improve transportation conditions and promote rural urban economic relations.(f)Prefect mechanism of land management and establish the perfect rules and regulations on sustainable land mana gement.The evaluating method has practical and applicable value.