山地城市园地时空变化及对生态服务价值的影响

韩会庆; 罗绪强; 蔡广鹏

doi:10.3969/j.issn.1000-2006.2017.01.016

韩会庆,罗绪强,蔡广鹏

南京林业大学学报（自然科学版） ›› 2017, Vol. 41 ›› Issue (01) : 103-108.

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南京林业大学学报（自然科学版） ›› 2017, Vol. 41 ›› Issue (01) : 103-108. DOI: 10.3969/j.issn.1000-2006.2017.01.016

研究论文

山地城市园地时空变化及对生态服务价值的影响

韩会庆¹,罗绪强^1*,蔡广鹏²

作者信息 +

Spatio-temporal changes of garden land from 2000 to 2010 in mountainous city and their effects on ecosystem service value

HAN Huiqing¹, LUO Xuqiang^1*, CAI Guangpeng²

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摘要

【目的】厘清山区城市园地时空变化特点及对生态环境的影响,可指导山区园地管理与城市用地的科学规划。【方法】利用ArcGIS软件和生态服务价值系数法,以山地城市贵阳为例,分析了2000—2010年其园地时空变化特征及其对生态服务价值(ecosystem service value, ESV)的影响。【结果】研究期间,园地面积由2000年的14 088.78 hm²增加到2010年的15 255.72 hm²,增加区域多分布于西部和北部。10 a间,耕地转为园地是园地与其他地类之间转化的主要类型。园地面积在坡度、高程、城乡和公路各梯度带均呈增加趋势。各梯度带园地增加速度有所不同。园地ESV由2000年的26 786.15万元增加到2010年的29 004.79万元,增加区域多分布于研究区中北部。耕地和草地转为园地以及园地转为林地使ESV分别增加1 164.88万元、0.09万元和1.12万元,而林地转为园地以及园地转为草地使ESV分别下降0.86万元和0.09万元。【结论】地形、交通和城市区位是影响山区城市园地空间格局的重要因素。在经济快速发展、退耕还林政策影响下大量耕地转为园地是园地面积及其ESV增加的主要原因。

Abstract

【Objective】Clarifying the spatio-temporal changes of garden land and their effects on ecological environment in mountainous City could provide a scientific basis for management and planning of garden land. 【Method】 This paper analyzed the spatio-temporal changes of garden land and their effects on ecosystem service value(ESV)from 2000 to 2010 in Guiyang City by using ArcGIS software and ESV coefficient method. 【Result】 The garden land area increased from 14 088.78 hm² in 2000 to 15 255.72 hm² in 2010. The increased parts located in the north and west regions. The prominent conversion type between garden land and other land use types was the conversion from cultivated land to garden land. The garden land area increased in each gradient, while the increase rate differed. The ESV for the garden land increased from 267.861 5 millionYuan in 2000 to 290.047 9 million Yuan in 2010. The increasing regions of ESV located in central and northern parts. The conversion of the cultivated land and grassland to the garden land as well as the conversion from the garden land to the woodland resulted in increases of 11.648 8 million Yuan, 0.000 9 million Yuan and 0.011 2 million Yuan, respectively. The conversions from cultivated land to garden land and from garden land to grassland resulted in decreases of 0.008 6 million Yuan and 0.000 9 million Yuan respectively. 【Conclusion】 Spatial pattern of garden land was deeply affected by terrain, transportation and urban location. The conversion from cultivated land to garden land is an important factor resulting in an increase of garden land and their ESV under the influences of rapid economic development and Green for Grain Project.

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韩会庆,罗绪强,蔡广鹏. 山地城市园地时空变化及对生态服务价值的影响[J]. 南京林业大学学报（自然科学版）. 2017, 41(01): 103-108 https://doi.org/10.3969/j.issn.1000-2006.2017.01.016

HAN Huiqing, LUO Xuqiang, CAI Guangpeng. Spatio-temporal changes of garden land from 2000 to 2010 in mountainous city and their effects on ecosystem service value[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2017, 41(01): 103-108 https://doi.org/10.3969/j.issn.1000-2006.2017.01.016

中图分类号： F062

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