摘要
基于地理国情普查数据,以河南省太行山地生态区、伏牛山地生态区和桐柏大别山地生态区为研究区域,分析了生态区自然生态系统的构成及景观格局指数的变化,计算了研究区域内各个县区的生态现状指数。研究结果发现整个生态区分布面积最广的是林地,其次是耕地,二者占据生态区将近80%的面积。太行山地生态区、伏牛山地生态区、桐柏山地生态区表现出明显不同的景观格局特征。整个生态区生态状况整体较好,80%以上的面积处于生态状况较好及以上级别,西部南部山区县区生态状况好于中东部平原县区。
Based on the data of geographical conditions,the study analyzed the composition of natural ecosystems and the change of landscape pattern index,and calculated the ecological status index in the key ecological regions of Henan Province including Taihang mountain ecological area,Funiu mountain ecological area and Tongbai Dabie mountain ecological area. The results showed that woodland was the most widely distributed ecosystem type,followed by arable land. Both of the two ecosystem types occupy nearly 80% of the ecological area. Taihang mountain ecological area,Funiu mountain ecological area and Tongbai Dabie mountain ecological area showed significantly different landscape pattern characteristics. The ecological status of the whole ecological region was generally better overall.More than 80% of the area was in a better and above grade ecological status. The ecological status of the counties and districts in the western and southern mountainous area was better than that in the central and eastern plain areas.
出处
《中国人口·资源与环境》
CSSCI
CSCD
北大核心
2018年第S1期76-79,共4页
China Population,Resources and Environment
基金
河南省软科学研究计划项目"河南省重点生态区生态现状及建设对策研究"(批准号:182400410512)
河南省基础与前沿技术研究项目"退耕驱动土壤特性变化的高光谱响应及其对侵蚀过程的影响"(批准号:162300410063)
河南省科技攻关项目"基于城市开发强度的城市雨水利用技术及模式研究"(批准号:172102310109)
关键词
生态区
生态现状
地理国情
ecological region
ecological status
geographical conditions
