Introduction : conceptual elements / Matthias Finger, Ludivine Tamiotti, and Jeremy Allouche -- The Mekong River Basin : comprehensive water governance / Nantana Gajaseni, Oliver William Heal, and Gareth Edwards-Jones -- The Danube River Basin / Stephen McCaffrey -- The Euphrates River watershed : integration, coordination, or separation? / Arnon Medzini and Aaron T. Wolf -- The Aral Sea Basin : legal and institutional aspects of governance / Laurence Boisson de Chazournes -- Conclusion : globalization, multi-governance, and transboundary river basin management / Matthias Finger, Ludivine Tamiotti, and Jeremy Allouche