DING Ni,LYU Xu.Analysis on the Landscape Pattern of Urban Green Space in Karst Mountainous Area[J].Northern Horticulture,2020,44(03):85-92.[doi:10.11937/bfyy.20191514]
喀斯特山地城市绿地景观格局分析
- Title:
- Analysis on the Landscape Pattern of Urban Green Space in Karst Mountainous Area
- Keywords:
- urban green space; landscape pattern index; Karst mountain city; geographic information system; Tongren city
- 文献标志码:
- A
- 摘要:
- 以铜仁市中心城区的土地利用现状图为基本信息源，借助GIS技术，建立绿地景观空间数据库，并利用Fragstats软件计算相关的景观格局指数。在对现有的铜仁市绿地景观格局定量分析的基础上，进行评价与建议。结果表明：铜仁市中心城区绿地总面积为1 267.59 m2，绿地率为29.55%，人均绿地面积为31.91 m2；各景观类型斑块边缘较为复杂，斑块比例和面积差异较大，分布不均；防护绿地和附属绿地破碎化程度较大，未能充分发挥生态作用；老城区公园绿地过于集中，而新区公园分布不均，可达性和利用率较低。建议在今后的城市绿地建设中，改善斑块类型，增加中、大型斑块数量，优化斑块布局，合理规划各类景观绿地，尤其注重道路绿化与山体绿地的开发利用，使绿地斑块之间的生态流动性加强，服务半径增大，空间分布更趋于合理。
- Abstract:
- Based on the current land use map of Tongren city center,with the help of GIS technology,the spatial database of green landscape was established,and the relevant landscape pattern index was calculated by Fragstats software.Based on the quantitative analysis of the existing landscape pattern of Tongren green space,evaluation and suggestions were made.The results showed that the total area of green space in Tongren city center was 1 267.59 m2,the green rate was 29.55%,and the green area per capita was 31.91 m2；the patch edge of each landscape type was relatively complex,the patch proportion and area were quite different,and the distribution was uneven；the degree of fragmentation of green buffer and attached green space was relatively large,which failed to give full play to the ecological role；the old urban park green space was too concentrated,while the new park green space was too concentrated uneven distribution,low accessibility and utilization.It was suggested that in the future construction of urban green space,we should improve the types of patches,increase the number of medium and large patches,optimize the patch layout,and reasonably plan all kinds of landscape green space,especially pay attention to the development and utilization of road greening and mountain green space,so as to strengthen the ecological mobility between green patches,increase the service radius,and make the spatial distribution more reasonable.
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备注/Memo
第一作者简介：丁妮（1995-），女，硕士研究生，研究方向为景观生态与区域规划。E-mail:763403609@qq.com.责任作者：吕徐（1981-），女，硕士，高级工程师，硕士生导师，现主要从事生态风景园林规划设计等研究工作。E-mail:385869125@qq.com.基金项目：贵州省科技支撑资助项目（黔科合SY字[2015]3020）。收稿日期：2019-07-13