<![CDATA[Industrial activities potentialy cause river water pollution which can have a negative impact on riparian ecosystems. This study aims to analyze the effect of distance of sugar industry pollutant sources on water quality and riparian vegetation diversity in Sukun River, Malang Regency. Sampling was conducted at three stations located 2 km from each other. Vegetation analysis was conducted using the Index of Important Value (INP), Shannon-Wiener Diversity Index, and Index of Riparian Quality (QBR). The results showed that the farther away from the pollutant source, the better the water quality and riparian vegetation. The highest DO was found at the farthest station (6.8 mg/L), while the lowest was at the nearest station (1.17 mg/L). The Shannon-Wiener diversity index and QBR also increased with distance from the pollutant source. Correlation analysis showed a negative relationship between pH and riparian vegetation quality, and a positive relationship between DO and TDS and vegetation diversity. Overall, this study confirms that industrial pollution has a significant impact on river ecosystems. Therefore, effective environmental management strategies, such as rehabilitation of riparian areas is needed to maintain the river ecosystem and support the biodiversity preservation and ecological balance along the Sukun River.]]>
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