Evolution of Ecological Environmental Quality in Feldspathic Sandstone Area Based on RSEI Model

Liu Linfu; Sheng Yan; Qin Fucang; Li Long; Li Yan

doi:10.13961/j.cnki.stbctb.2022.01.031

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Evolution of Ecological Environmental Quality in Feldspathic Sandstone Area Based on RSEI Model

- Evolution of Ecological Environmental Quality in Feldspathic Sandstone Area Based on RSEI Model
- Bulletin of Soiland Water Conservation Vol. 42, Issue 1, Pages: 233-239(2022)
- 作者机构：
  
  1. 内蒙古农业大学沙漠治理学院,内蒙古,呼和浩特,010018
  2. 荒漠生态系统保护与修复国家林业和草原局重点实验室,内蒙古,呼和浩特,010018
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.2022.01.031
  CLC： F301.23
- Published：2022
- 稿件说明：
移动端阅览
Liu Linfu, Sheng Yan, Qin Fucang, et al. Evolution of Ecological Environmental Quality in Feldspathic Sandstone Area Based on RSEI Model[J]. Bulletin of Soiland Water Conservation, 2022, 42(1): 233-239.
DOI：

Liu Linfu, Sheng Yan, Qin Fucang, et al. Evolution of Ecological Environmental Quality in Feldspathic Sandstone Area Based on RSEI Model[J]. Bulletin of Soiland Water Conservation, 2022, 42(1): 233-239. DOI： 10.13961/j.cnki.stbctb.2022.01.031.

摘要

[目的] 探究砒砂岩区生态环境质量状况，为当地生态环境治理工作提供科学依据。[方法] 基于GIS和RS技术，利用遥感生态指数RSEI模型，分析砒砂岩区2001—2020年生态环境质量时空演变。[结果] ①基于砒砂岩区4期影像数据提取的遥感生态指数RSEI呈现先下降后上升的趋势，表明生态环境质量在缓慢改善； ②绿度生态指标与湿度生态指标对砒砂岩区生态环境质量起正向作用，干度生态指标与热度生态指标会起到负面作用，并且绿度生态指标对生态环境质量改善的贡献率更高； ③在2001—2020年间，生态环境质量改善区域占到研究区总面积的36.79%；生态环境质量恶化区域占15.68%，多为轻度退化。[结论] 砒砂岩区2001—2020年间生态环境质量总体呈现出上升趋势，且生态环境质量对人为活动高度敏感，因此在改善生态环境的同时还需融入生态保护理念，做到人与自然和谐共生。

Abstract

[Objective] The ecological environmental quality of a feldspathic sandstone area was investigated in order to provide a scientific basis for local ecological environmental management. [Methods] The spatial-temporal evolution of ecological environmental quality in a feldspathic sandstone area was analyzed using GIS and remote sensing technology

and a remote sensing ecological index (RSEI) model. [Results] ① RSEI extracted from the four-stage imaged data of a feldspathic sandstone area showed a trend of initially decreasing and then increasing

indicating that the ecological environmental quality was slowly improving. ② Greenness ecological index and humidity ecological index were positively related to ecological environmental quality in a feldspathic sandstone area

while dryness ecological index and heat ecological index were negatively related. Greenness ecological index had a higher contribution rate to ecological environmental quality improvement. ③ From 2001 to 2020

36.79% of the total study area improved in ecological environmental quality. Over that same period

15.68% of the total area deteriorated in ecological environmental quality

and the ecological degradation area was mostly classified as mild degradation. [Conclusion] The ecological environmental quality of a feldspathic sandstone area increased from 2001 to 2020. Ecological environmental quality was highly sensitive to human activities. The concept of ecological protection should be integrated into management practices to improve the ecological environment in order to achieve harmonious coexistence between man and nature.

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