借助于地理信息系统技术，总结出全市范围及六县两区一市土地利用空间格局的景观生态学特征。
Using GIS techniques, the landscape ecological characteristics of the land in six counties, two districts and a city of whole Shangqiu city were summarized.
论述了兴凯湖自然保护区昆虫地理分布区及两个不同生态环境昆虫区系的特征。
This paper discusses insects geographical distribution and the characteristics of two different eco-environment insects fauna in Xingkai Lake nature reserve.
宁夏南部山区独特的地理位置与生存环境，决定了必须在这一地区进行生态农业建设。
The special geographical location and living environment of the south mountainous area in Ningxia decide that the construction of ecological agriculture on the area should be carried out.
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