LI Jing,ZHU Yongming,ZHANG Hui,et al.Dynamic Recognition of Source Area of Landscape Ecological Security Pattern in Beidaihe New District[J].Research of Soil and Water Conservation,2016,23(06):340-344,351.
北戴河新区景观生态安全格局源地动态识别
- Title:
- Dynamic Recognition of Source Area of Landscape Ecological Security Pattern in Beidaihe New District
- 分类号:
- F590
- 摘要:
- 源地是构建景观生态安全格局的基础。考虑到时间动态变化，提出了进一步完善源地识别的方法，为更加合理地构建景观生态安全格局奠定基础。借助Fragstats 3.4，ArcGIS 10.0，Conefor Sensinode 2.2和InVEST 2.2.0软件，对北戴河新区1991年、2001年和2013年三期的景观斑块质量进行动态评价，并将各时期评价结果划分为1—5五个级别（定义级别数值越小，斑块质量越好），叠加三个时期的分级结果，选取三个时期都为1级和2级的斑块作为2013年的景观生态安全格局源地。结果表明：北戴河新区源地总面积为73.34 km2，占全区总面积的14.25%。其中，1级斑块的面积为37.44 km2，占全区总面积的7.27%；2级斑块的面积为35.90 km2，占全区总面积的6.97%。源地主要分布在水产局及周边、七里海及周边、刘台庄镇东南部以及国有林场南部地区，应当对这些区域进行重点管护。
- Abstract:
- Source area is the foundation of constructing ecological landscape security pattern. Taking into account the effect of time dynamics, we propose a new methodology to improve source area recognition in order to lay foundations for the reasonable construction of ecological landscape security pattern. With the aid of software such as Fragstats 3.4,ArcGIS 10.0,Conefor Sensinode 2.2 and InVEST 2.2.0, we present a dynamic evaluation of landscape patch quality in three specific periods, respectively 1991, 2001 and 2013 in Beidaihe New District. All the final results of evaluation are divided into five levels, representing with numbers 1 to 5(the smaller the level, the better the quality of the patch). Afterwards, the classification results of the three years are superimposed, and the patches in level 1 and 2 are selected as the source area for landscape ecological security pattern in 2013. It turns out that the total source area in Beidaihe New District is 73.34 km2, accounting for 14.25% of the total area of Beidaihe New District. Among them, the patch of level 1 is 37.44 km2, which makes up 7.27% of the total area of Beidaihe New District; the patch of level 2 is 35.90 km2, presenting 6.97% of the total area of Beidaihe New District. The patches of source area mainly distribute in Aquatic Bureau and Seven Caspian Sea and surroundings, southeast of Liutaizhuang town and south of State-owned Forest. It is extremely essential to focus on the management and protection of these areas.
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备注/Memo
收稿日期:2015-12-28;改回日期:2016-01-22。
基金项目:河北省社会科学基金项目（HB14GL039）；河北省社会科学发展研究课题（2014030224）
作者简介:李静(1989-),女,河北保定人,研究生,硕士,从事土地资源利用与规划研究。E-mail:bdlj1989@163.com
通讯作者:朱永明(1969-),男,黑龙江绥化人,副教授,硕士,从事土地资源利用与规划研究。E-mail:zhyming2005@126.com