Fig. 8From: Spatiotemporal features of pollutant loads in the Yan River Basin, a typical loess hilly and gully watershed in the Chinese Loess PlateauBoxplots of COD, TN, and TP loads during flood and non-flood periods at four water quality monitoring stations: a Shiyaocun, b Zhujiagou, c Ganguyi, and d Tanjiahe. The horizontal lines represent (from the top) the maximum, the third quartile, the median, the first quartile and the minimum. The red circles represent average values, and the blue squares represent outliersBack to article page