Karst Spring Protection for the Sustainable and Healthy Living: The Examples of Niangziguan Spring and Shuishentang Spring in Shanxi, China

The karst springs, among which the Niangziguan spring and the Shuishentang spring are two typical ones, account for 24% of the total water resources in Shanxi, China and play an important role in the economic and social development of Shanxi Province. However, the spring discharge has sharply declined due to climate change and increasing anthropogenic activities. In this study, the Mann–Kendall trend test was used to analyze the trend of...