In order to strengthen the cooperation between Chinese Academy of Sciences (CAS) and Henan Academy of Sciences(HAS), the Institute of Geodesy and Geophysics(IGG), CAS and the Institute of Geography HAS jointly held a scientific meeting at Zhengzhou on September 1st to 3rd.

　  The academic cooperation was carried out under the initiative of Prof. Lu Chunchao, the deputy director of Henan Academy of Sciences. Fen Xiande, the director of Institute of Geography, introduced the history of Institute of Geography, the major research projects and achievements. He also expressed the cooperation hope in the field of crop yield estimation using remote sensing techniques, wetlands and ecological restoration, rural point source pollution and other research with IGG. Liu Chengshu, assistant director of the IGG introduced basic profiles of IGG. Du Yun , director of key laboratory of environment and disaster monitoring and evaluation introduced the research direction and describes the main research results. Deputy director Wang Xuelei, associate professor Huang Jinliang and Dr. Zhang Liang gave a special academic report on wetland restoration, crop yield estimation and rural sewage treatment respectively.

　  After the meeting, the IGG’s researchers visited the remote sensing and GIS research laboratory of Henan province and the related equipment. The two sides also discussed the specific issues of the further cooperation.