Shiziyang Bay, located in the upstream of the Pearl River Estuary, has frequently suffered from hypoxia since 2000, which has persisted in recent years despite effective controls on anthropogenic pollutant loads. To explore the underlying causes, we investigated changes in dissolved oxygen (DO),...

This assessment report presents the results of a study focused on the Sioni Reservoir watershed, which is subject to seasonal sediment loads affecting the sustainability of water for hydropower generation and irrigation. The study reveals the major causes of landscape degradation within target...