South China Karst is one of the world’s most spectacular examples of humid tropical to subtropical karst landscapes. It is a serial site spread over the provinces of Guizhou, Guangxi, Yunnan and ...

Their aim is to speed up meaningful regulation to mitigate high nitrate concentration in southeastern Minnesota, arguing it ...

By Clay Masters Even in retirement from a hydrology career, Paul Wotzka keeps tabs on soil layers in southeastern Minnesota’s bluff country. “We have a groundwater sensitive parameter down here,” ...

The continued evolution of a large inland delta, salt plains and gypsum karst add to the park’s uniqueness. Criterion (vii): The great concentrations of migratory wildlife are of world importance and ...