Invited by research groups of Secondary Forest Ecology and Management IAE , Qingyuan Forest Ecosystem Research Station CAS and Forest Ecology and Management CAS , Dr Gary Cerr , the specialist in silviculture in Forest Research , Forestry Commission .UK and Chief Editor of internationally main - stream Journal Forestry visited IAE on 2 - 8 July .Seminar , Prof YAN had discussions with Dr Kerr on the further exchange and cooperation between the 2 sides .

The seminar was held in IAE . The seminar was sponsored by the Key Lab of Forest Ecology and Management , CAS and conducted by the head and vice head of the lab .Prof HAO Zhanqing and Prof FANG Yunting . The director of Department of Science and Technology , IAE addressed welcome speech .The seminar included specialist report and free discussions , so as to academic exchange and the development of research in nitrogen deposition .The discussions pointed the new angel of view to the changes in the origin of nitrogen deposition in the future and the further orientation of work in this field .