Appalachia Appalachian Mountains Boufakrane river watershed Budyko Chesapeake Bay Watershed Chinese provincial input efficiency Escherichia coli LULCC Land use practices Research & information: general Suspended particulate matter Water quality Watershed management aquatic ecology bacteria basin climate change collaborative adaptive management decision-making drinking water ecohydrology endocrine disrupting chemical environmental flows environmental perceptions environmental persistence environmental variables experimental watershed experimental watershed study farmer perceptions good governance