重庆市沙坪坝区中梁镇耕地资源可持续利用研究
发布时间:2018-07-17 01:03
【摘要】:耕地资源是区域土地资源的重要组成部分,研究耕地资源的可持续利用对全区域土地资源的有效利用发挥着及其重要的意义。研究中梁镇耕地资源可持续利用,对于客观认识中梁镇耕地利用以致土地利用现状,预测其发展趋势,并有效地挖掘其耕地资源利用潜力有着极其重大的意义。本研究综合运用文献资料法、实地调查法和综合分析法、SOWT分析法等方法,根据土地可持利用的内涵以及借鉴前人已有的土地资源可持续利用相关研究,综合分析评判了中梁镇耕地资源可持续利用的生态指标、经济指标和社会指标,找出了问题,并给出了对策和建议。(1)分析了中梁镇耕地资源利用现状。利用2012年统计数据测算,中梁镇土地利用多样性指数为0.498,偏低;复种指数为154%,略低;土地农业利用率为64%,较高:土地垦殖率为41.49%,较高。总的来说,中梁镇耕地利用效率较低,利用方式较为粗放,在一定程度上影响辖区经济、社会和环境的协调发展;耕地资源集约利用程度不高,农业种植结构单一;土地后备资源贫乏,耕地占补平衡难度大。(2)分析了中梁镇耕地资源利用存在的问题。农业基础条件差,坡耕地多,耕地自然条件差,农业基础薄弱,农业机械化程度非常低;水资源瓶颈难以突破,中梁镇地势高,辖区喀斯特地貌发育,蓄水能力差,水源渗漏严重,农业生产用水高度依赖水利工程,水利设施建设与农业生产得需求不匹配;种植结构落单一,中梁镇农业种植以经济作物为主,粮食作物主要是玉米和红薯,经济作物以蔬菜为主,种植结构十分单一;地质灾害多发,中梁镇地处山区,耕地坡度较大,地质灾害高易发区多,地质灾害对耕地资源的破坏非常明显,且绝大多数不具备可修复性。(3)对中梁镇耕地资源可持续利用进行了SWOT分析。中梁镇属于城郊型乡镇,位于主城区二环以内,土地资源利用潜力大,价值提升空间大,具有区位优势、资源优势和政策优势;但是基础条件先天不足,政策瓶颈难以突破,缺乏规划引领,人地矛盾突出,自然灾害频发;同时市区政策调整、位置的特殊性、国土资源的信息化和国土综合整治带来新的机遇:区位威胁、无序发展的威胁、土地利用转型与传统利用方式的矛盾威胁客观存在。(4)提出了中梁镇耕地资源可持续利用对策、建议。一是加强规划指导和政策引导,至上而下调整规划;加强政策引导,改善农业基础条件,让农民获得更多种植收益,增强农民种植意愿,增强农业项目开发商信心。二是开展土地综合整治,确保耕地总量不减少,质量不降低。三是要集约利用耕地,适度加大耕地资源利用强度,因地制宜改善种植结构。四是加快农业产业化进程,加快推进分散农业项目向农业产业转变,发挥农业产业集群效益。五是完善农业基础设施,加快农业基础设施建设、完善农业配套设施、提高农业科技化和信息化水平。六是消除或弱化耕地资源可持续利用的负影响因子。
[Abstract]:Arable land resources are an important part of regional land resources , and the sustainable utilization of cultivated land resources plays an important role in the effective utilization of land resources in the whole region .
The compound index was 154 % , slightly lower ;
The utilization rate of land is 64 % , higher : the land reclamation rate is 41.49 % , higher . Generally speaking , the utilization efficiency of cultivated land in Zhongliang town is low and the utilization mode is relatively rough , which affects the coordinated development of economic , social and environment in the area to some extent ;
the intensive utilization degree of cultivated land resources is low , and the agricultural planting structure is single ;
Land reserve resources are poor and the balance of cultivated land accounts for more difficulty . ( 2 ) The problems existing in the utilization of cultivated land resources in Zhongliang town are analyzed . The agricultural foundation conditions are poor , the sloping field is many , the cultivated land is poor in natural conditions , the agricultural foundation is weak , and the degree of agricultural mechanization is very low ;
Water resources bottleneck is difficult to break through , middle beam town has high ground potential , karst landform development in Bailiwick area , poor water storage capacity , serious water leakage , high dependence on water conservancy project , water conservancy facilities construction and agricultural production demand do not match ;
the planting structure is single , the middle beam town agricultural planting is mainly economic crops , the grain crops are mainly corn and sweet potatoes , the economic crops are mainly vegetables , and the planting structure is very single ;
In this paper , a SWOT analysis is carried out on the sustainable use of cultivated land resources in Zhongliang town .
But the basic condition is not enough , policy bottleneck is difficult to break through , lack of planning guidance , people ' s contradictions are outstanding , natural disasters are frequent ;
At the same time , the urban policy adjustment , the particularity of the location , the information of the land resources and the integrated management of the land bring new opportunities : the threat of location , the threat of disorderly development , the transformation of land use and the contradiction of traditional utilization . ( 4 ) The countermeasures and suggestions for sustainable use of cultivated land resources in Zhongliang town are put forward .
The fifth is to improve the agricultural infrastructure , accelerate the construction of agricultural infrastructure , improve the agricultural facilities , improve the agricultural science and technology and the level of informatization , and 6 is the negative impact factor to eliminate or weaken the sustainable use of cultivated land resources .
【学位授予单位】:四川农业大学
【学位级别】:硕士
【学位授予年份】:2014
【分类号】:F323.211
本文编号:2128337
[Abstract]:Arable land resources are an important part of regional land resources , and the sustainable utilization of cultivated land resources plays an important role in the effective utilization of land resources in the whole region .
The compound index was 154 % , slightly lower ;
The utilization rate of land is 64 % , higher : the land reclamation rate is 41.49 % , higher . Generally speaking , the utilization efficiency of cultivated land in Zhongliang town is low and the utilization mode is relatively rough , which affects the coordinated development of economic , social and environment in the area to some extent ;
the intensive utilization degree of cultivated land resources is low , and the agricultural planting structure is single ;
Land reserve resources are poor and the balance of cultivated land accounts for more difficulty . ( 2 ) The problems existing in the utilization of cultivated land resources in Zhongliang town are analyzed . The agricultural foundation conditions are poor , the sloping field is many , the cultivated land is poor in natural conditions , the agricultural foundation is weak , and the degree of agricultural mechanization is very low ;
Water resources bottleneck is difficult to break through , middle beam town has high ground potential , karst landform development in Bailiwick area , poor water storage capacity , serious water leakage , high dependence on water conservancy project , water conservancy facilities construction and agricultural production demand do not match ;
the planting structure is single , the middle beam town agricultural planting is mainly economic crops , the grain crops are mainly corn and sweet potatoes , the economic crops are mainly vegetables , and the planting structure is very single ;
In this paper , a SWOT analysis is carried out on the sustainable use of cultivated land resources in Zhongliang town .
But the basic condition is not enough , policy bottleneck is difficult to break through , lack of planning guidance , people ' s contradictions are outstanding , natural disasters are frequent ;
At the same time , the urban policy adjustment , the particularity of the location , the information of the land resources and the integrated management of the land bring new opportunities : the threat of location , the threat of disorderly development , the transformation of land use and the contradiction of traditional utilization . ( 4 ) The countermeasures and suggestions for sustainable use of cultivated land resources in Zhongliang town are put forward .
The fifth is to improve the agricultural infrastructure , accelerate the construction of agricultural infrastructure , improve the agricultural facilities , improve the agricultural science and technology and the level of informatization , and 6 is the negative impact factor to eliminate or weaken the sustainable use of cultivated land resources .
【学位授予单位】:四川农业大学
【学位级别】:硕士
【学位授予年份】:2014
【分类号】:F323.211
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