This document contains the report of and papers presented at the Ad hoc Expert Consultation, International Mechanisms for the Control and Responsible Use of Alien Species in Aquatic Ecosystems, held 27–30 August 2003, in Xishuangbanna, People's Republic of China. Bartley, D.M.; Bhujel, R.C.; Funge-Smith, S.; Olin, P.G.; Phillips, M.J. (comps./eds.) International mechanisms for the control and responsible use of alien species in aquatic ecosystems. Report of an Ad Hoc Expert Consultation. Xishuangbanna, People's Republic of China, 27–30 August 2003. Rome, FAO. 2005. 195p.