title: Drainage basin security--balancing production, trade and water use. Preface.
mesh_terms: D003247:Conservation of Natural Resources; D004777:Environment; D006801:Humans; D007400:Interprofessional Relations; D011057:Politics; D014876:Water Pollution / Q000191:economics / Q000517:prevention & control*; D014881:Water Supply / Q000191:economics