catchment management climate change 2 water quality 2 Cambodia 1 Chile 1 DPLSIR framework 1 DST 1 Environmental economics 1 LAWA 1 Loess Plateau 1 Mekong 1 N sources 1 N transport processes 1 NDC 1 Nenjiang River 1 Oregon 1 PCA 1 Qiandao Lake Basin 1 Research & information: general 1 Rhyacotriton 1 SDGs 1 SWAT model 1 Schleswig-Holstein 1 US Pacific Northwest 1 Water Framework Directive 1 afforestation 1 agricultural impact 1 agricultural lands 1 agriculture 1 aquatic-riparian ecosystems 1