Fig. 2: Variations of heavy metal concentrations among different climatic seasons, monsoonal seasons, ecosystem types, and land use types.

Black points indicate posterior means, and colored bands indicate 95% and 80% confidence interval. Unreported land use types are defined as undefined land, and multiple land refers to the combination of industry, residents, agriculture or tourist, and so on. Numbers in parentheses indicate the sample size at each level under the classification types.