QIN Weixia,WANG Xinchuang,MA Shouchen,et al.Obstacle Factors Diagnosis of Land Ecological Quality Based on Functional Partition—A Case Study of Xinxiang City[J].Research of Soil and Water Conservation,2015,22(04):148-154.
基于功能分区的土地生态质量障碍因子诊断——以新乡市为例
- Title:
- Obstacle Factors Diagnosis of Land Ecological Quality Based on Functional Partition—A Case Study of Xinxiang City
- Keywords:
- Xinxiang City; obstacle factors; land ecology; functional partition
- 分类号:
- F301.2
- 摘要:
- 土地生态质量障碍因子诊断是土地资源高效利用和可持续发展的重要保证。在土地生态质量评价基础上，将新乡市划分为北部生态旅游区、城市发展核心区及生态农业区，并对各分区土地生态质量障碍因子进行诊断。结果表明：生态农业区的原阳、封丘等县及城市发展核心区的获嘉县，生态基础设施匮乏，障碍度范围为14%~22%，处于重和较重等级；城市发展核心区中的牧野区、红旗市辖区等地，NPP障碍度较高，为19%~36%；生态农业区西北部及城市发展核心区西南部，生长季降水障碍度较高，为17%~22%；城市发展核心区中的新乡县、凤泉区及生态农业区中的长垣县，区域环境质量较差，障碍度范围为14%~25%，处于重和较重等级；城市发展核心区中的红旗区、生态农业区西北及黄河滩涂，土壤碳蓄积水平障碍度处于重和较重等级，障碍度范围为9%~17%。完善生态基础设施、优化产业结构、加强区域合作、用地与养地相结合是提升区域土地生态质量的主要对策。
- Abstract:
- Obstacle factor diagnosis on land ecological quality is the important guarantee for effective use and sustainable development of land resources. Xinxiang City was separated as northern ecological tourist area, urban development core area and ecological agriculture area based on the assessment of land ecological quality, and then obstacle factors of land ecological quality in each partition were diagnosed. The results were as follows. The places such as Yuanyang County, Fengqiu County and so on in ecological agriculture area and Huojia County in urban development core area were short of ecological infrastructures, and were evaluated as at serious level and more serious level with obstacle degree ranging from 14% to 22%. The places such as Muye District, Hongqi municipal district and so on in urban development core, of which obstacle degree of NPP was higher, ranging from 19% to 36%. The obstacle degree of rainfall in the growing season in the places such as northwest of ecological agriculture area, southwestern end of urban development core area was higher with a scope ranging from 17% to 22%. The obstacle degree of regional environment quality index ranged from 14% to 25%, being at serious level and more serious level, distributing in Xinxiang County and Fengquan District in urban development core area and Changyuan County in ecological agriculture area. Soil carbon accumulation levels of the places such as Hongqi District in urban development core area, northwest of ecological agriculture area and Yellow River beach were at serious level and more serious level, with an obstacle degree ranging from 9% to 17%. Perfection of ecological infrastructure, optimization of industrial structure, strengthening regional cooperation, combination of using and protection of land resource, are the main strategies to improve land ecological quality of the study area.
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备注/Memo
收稿日期:2015-01-14;改回日期:2015-03-25。
基金项目:河南省教育厅科学技术研究重点项目（14A180012）；重点区域土地生态状况调查与评估（121141078101）
作者简介:秦伟霞(1988-),女,河南周口人,研究生,主要从事国土资源信息系统方向的研究。E-mail:15239176585@163.com
通讯作者:王新闯(1979-),男,河南新乡市人,博士,副教授,主要从事3S技术及其在生态学中的应用方向的研究。E-mail:wangxc_382@163.com