Dynamic Change of Soil Conservation Ecological Service Function in Yiluo River Basin

Zeng Qijie; Li Shuangquan; Ma Yufeng; Zhang Zhihua; Qian Fajun; Du Jun; Bi Huitao

doi:10.13961/j.cnki.stbctb.20230426.001

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Dynamic Change of Soil Conservation Ecological Service Function in Yiluo River Basin

- Dynamic Change of Soil Conservation Ecological Service Function in Yiluo River Basin
- Bulletin of Soiland Water Conservation Vol. 43, Issue 2, Pages: 350-360(2023)
- 作者机构：
  
  1. 河南农业大学林学院,河南,郑州,450052
  2. 河南省科学院地理研究所,河南,郑州,450002
- 作者简介：
- 基金信息：
- DOI：10.13961/j.cnki.stbctb.20230426.001
  CLC： S157.1
- Published：2023
- 稿件说明：
移动端阅览
Zeng Qijie, Li Shuangquan, Ma Yufeng, et al. Dynamic Change of Soil Conservation Ecological Service Function in Yiluo River Basin[J]. Bulletin of Soiland Water Conservation, 2023, 43(2): 350-360.
DOI：

Zeng Qijie, Li Shuangquan, Ma Yufeng, et al. Dynamic Change of Soil Conservation Ecological Service Function in Yiluo River Basin[J]. Bulletin of Soiland Water Conservation, 2023, 43(2): 350-360. DOI： 10.13961/j.cnki.stbctb.20230426.001.

摘要

[目的] 分析河南省伊洛河流域土壤保持生态服务功能的动态变化特征，为流域水土保持和生态管理建设提供参考。 [方法] 采用修正通用水土流失方程(RUSLE)和统计学方法，分析2010—2020年伊洛河流域土壤保持功能时空变化特征以及影响因素。 [结果] ①2010—2020年伊洛河流域土壤保持功能呈递减趋势；空间分布基本一致，整体呈西南高，东北低的分布格局。 ②不同生态系统类型的土壤保持功能差异较大，2010—2020年森林和灌丛生态系统土壤保持总量较高，农田生态系统面积最大，但土壤保持功能较弱。 ③不同海拔和坡度的土壤保持功能随海拔和坡度的增加不断加强。 ④2010—2020年伊洛河流域土壤保持功能空间差异性主要受地形因素的控制，时间变化主要受降雨侵蚀力的影响。 [结论] 应注重和维护土壤保持功能较强的森林和灌丛生态系统，增强农田生态系统的水土保持措施，从而提高流域土壤保持功能，有助于提升伊洛河流域的生态安全。

Abstract

[Objective] The dynamic change characteristics of the soil conservation ecological service function in the Yiluo River basin in He’nan Province were determined in order to provide a reference for soil and water conservation and ecological management construction in the basin. [Methods] The revised universal soil loss equation (RUSLE) and statistical methods were used to analyze the dynamic change characteristics and influencing factors of the soil conservation function in the Yiluo River basin from 2010 to 2020. [Results] ① The soil conservation function for the Yiluo River basin decreased from 2010 to 2020. The spatial distribution pattern was basically the same

and the overall distribution pattern was high in the southwest and low in the northeast of the study area during the ten years. ② The soil conservation functions of different ecosystem types were quite different. From 2010 to 2020

the total amount of soil conservation in the forest and shrub ecosystems was relatively high. The area of the farming ecosystem was the largest

but the soil conservation function was weak. ③ The role of the soil conservation function increased as altitude and slope increased. ④ The spatial differences of soil conservation functions in the Yiluo River basin from 2010 to 2020 were mainly controlled by topographic factors

and the temporal changes were mainly affected by rainfall erosivity. [Conclusion] Greater attention should be given to maintaining forest and shrub ecosystems with strong soil conservation functions

and strengthening the soil and water conservation measures of farmland ecosystems so as to improve the soil conservation function and the ecological security of the Yiluo River basin.

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