Macaronesia, Madeira, oceanic islands, Bacillariophyta, freshwater syste, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronésia, Macaronesian, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronesian, Macaronésie, Macaronésia, Macaronésia
desiccation, diatoms, Shading, Springs, Epilithon, Geissleria, Geissleria gereckei
Climate change, Agriculture, Science, Water resources, Hydrology, China, Irrigation, California, Water quality, desalination, Digestion, Salinity, Water treatment, Sweden, Anaerobic digestion, Reuse, Middle East, Sewage sludge, Water reuse, Anaerobic processes, Euphrates River, Baghdad Iraq, United States–US