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生态学杂志 ›› 2022, Vol. 41 ›› Issue (12): 2397-2405.doi: 10.13292/j.1000-4890.202212.010

• 研究报告 • 上一篇    下一篇

山地风电场建设对土壤性质和植被覆盖的影响——以云南省将军山风电场为例

张力琛1,2,4,范立张3,马常威1,2,4,刘军华1,2,朱勇3,陈哲1,2,吴建平1,2*


  

  1. （1云南大学植物繁殖适应与进化生态学重点实验室， 昆明 650500； 2云南大学生态与环境学院土壤生态与健康重点实验室， 昆明 650500； 3云南省气候中心， 昆明 650500； 4云南大学建筑与规划学院， 昆明 650500）

  • 出版日期:2022-12-10 发布日期:2022-12-19

Influence of mountain wind farm construction on soil properties and vegetation cover: A case study of Jiangjunshan wind farm in Yunnan Province.
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ZHANG Li-chen1,2,4, FAN Li-zhang3, MA Chang-wei1,2,4, LIU Jun-hua1,2, ZHU Yong3, CHEN Zhe1,2, WU Jian-ping1,2*#br#

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  1. (1Key Laboratory of Plant Reproductive Adaptation and Evolutionary Ecology, Yunnan University, Kunming 650500, China; 2Key Laboratory of Soil Ecology and Health in Universities, School of Ecology and Environmental Science, Yunnan University, Kunming 650500, China; 3Yunnan Climate Center, Kunming 650500, China; 4School of Architecture and Planning, Yunnan University, Kunming 650500, China).

  • Online:2022-12-10 Published:2022-12-19

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摘要： 为探究山地风电场建设对区域生态系统性质的影响，本研究以云南省将军山风电场区为对象，调查了山地风电场不同分区及周边林地、灌丛、草地和农田生态系统中土壤理化性质、归一化植被指数（NDVI）、植被覆盖度（FVC）和土地利用转换等因子的变化。结果表明：（1）与自然生态系统相比，风电场建设后显著增加了土壤容重和pH，但降低了土壤含水率、有机碳、全氮和全磷含量。风电场内弃渣场区的土壤pH最大，风电机组区的土壤含水率、有机碳、全氮和全磷含量最小；（2）2020年研究区归一化植被指数及植被覆盖度均值较2015年均有减少，分别降低了7.04%和10.02%；（3）相较于2014年研究区土地利用类型转换数据，2017年林地、灌丛和草地面积分别减少了4.65%、3.95%和4.17%，农田及建设用地面积分别增加了1.73%和315.3%。研究表明，山地风电场建设及维护过程中的土方开挖和土壤压实等工程措施短期内会减少土壤有机碳和养分积累，改变原有植物群落结构和植被覆盖，需要合理开展山地风电场区生态恢复。


关键词: 生态系统,  , 归一化植被指数, 植被覆盖度, 土地利用

Abstract: To explore the influence of mountain wind farm construction on ecosystem properties, we investigated soil physicochemical properties, normalized difference vegetation index (NDVI), fractional vegetation cover (FVC), and land use conversion among forest, shrubland, grassland and croplands in Jiangjunshan wind farm area in Yunnan Province. The results showed that: (1) Compared with the natural ecosystems, the construction of wind farms significantly increased soil bulk density and pH, but decreased the contents of soil water, soil organic carbon, total nitrogen and total phosphorus. Soil pH was the highest in the waste slag area in the wind farm, while the contents of soil water, soil organic carbon, total nitrogen and total phosphorus were lowest in the wind turbine area; (2) Compared with 2015, the average values of normalized difference vegetation index and fractional vegetation cover in 2020 decreased by 7.04% and 10.02%, respectively; (3) Compared to 2014, the areas of forest, shrubland and grassland in 2017 decreased by 4.65%, 3.95% and 4.17%, respectively, while the areas of cropland and construction land increased by 1.73% and 315.3%, respectively. Our findings suggest that earthwork excavation and soil compaction during construction and maintenance of mountain wind farm would decrease soil organic carbon and nutrient accumulation, and change plant community composition and vegetation cover in short term. Appropriate ecological restoration should be carried out in mountain wind farms.


Key words: ecosystem,  , normalized difference vegetation index, fractional vegetation cover, land use.

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