From 4-7 October 2011, Mr. Vo Quoc Tuan, a researcher from WISDOM project participated in the Ecosystem Services: integrating Science and Practice conference hosted by Wageningen University in Wageningen, the Netherlands. The main aim of the conference was to provide a forum for researchers, practitioners and policy-makers to exchange information and ideas about new developments and pressing issues on the Science and Practice of Ecosystem Services (ES). At the conference, Mr. Tuan has discussed the topic of valuation of mangrove ecosystem services with Dr. Robert Costanza- the leading scientist in this field and got very good comments from him. Dr. Costanza also said the topic of ecosystem services is very hot especially mangrove forest ecosystem-which is not so many studies published.