The Relationship between Water Qualityin the Niyang River During the Flood Seasonand Land Use at Different Spatial Scales

Water resources are fundamental natural assets essential for human survival and development.Clean and abundant water is not only crucial for drinking, sanitation, and agriculture but also plays a vital role in industrial processes, energy production, and ecosystem health.Water quality, as a critical determinant of environmental quality, represents a significant challenge to human progress and the construction of ecological civilization.This issue has garnered considerable