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作 者:张路路[1] 郑新奇[1] 蔡玉梅[2] 吕永强[1]
机构地区:[1]中国地质大学(北京)信息工程学院,北京100083 [2]中国土地勘测规划院,北京100035
出 处:《水土保持研究》2016年第5期298-303,309,共7页Research of Soil and Water Conservation
基 金:国土资源部公益行业科研专项经费项目"基于‘生命共同体’的京津冀土地用途管制政策模拟仿真技术"(201511010-7)
摘 要:多功能性评价是土地多功能利用研究的重要问题。通过构建基于生产、生活、生态的土地多功能识别体系,采用全排列多边形综合图示指标法测度了1990年、2000年、2010年湖南省土地多功能状态及其变化。研究表明:(1)全排列多边形图示指标法可用于土地多功能性评价,模型系统整合了评价对象的多种因素,减少了主观因素的影响,提高了评价的客观性和科学性;(2)研究期间,湖南省土地总功能由1990年的0.10提高至2000年、2010年的0.22,0.40。重心由农业生产功能转变为经济生产功能、生活功能等,功能之间协调性逐步下降;(3)单项功能方面,除农业生产功能有所降低外,经济生产、交通保障、社会保障、就业支撑、居住家园以及生态功能均有不同程度提升。建议今后土地利用中应稳定和提高生态功能,提升土地的农业生产、就业支撑、社会保障等功能,并加强功能间的协调发展。Assessment on multi-functionality of land use is the key problem in multifunctional land use.We designed an identification system of multifunctional land use according to the productive,social and ecological factors and used the entire-array-polygon indictor method to measure the state of land use functions in 1990,2000 and 2010,as well as the change in Hu′nan Province.The results show that:(1)the entire-array-polygon indictor method has advantages in multifunctional land use assessment,which takes various factors into account and reduces the influence of subjective factors,so the entire-array-polygon indictor method improves the objectivity and scientificity of multifunctional land use assessment;(2)the total function of land use had dynamic change and had improved from 0.1in 1990 to 0.22 in 2000and 0.40 in 2010,the center of land use turned from agriculture production function in the former period to economic production and life function(LEF)in the latter period,and there was a gradually decrease in 20years;(3)during the study period,except function decrease of food production,the economy production,transportation security,social security,employment security,residential function as well as ecological function were increasing on different degrees.It is suggested to stabilize and improve the ecological function,improve the food production function,employment security,social security,and promote coordinated development of the functions.
关 键 词:土地多功能性 指标体系 全排列多边形综合图示指标法 湖南省
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