1 School of Forestry, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
2 Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
3 Department of natural resources management, Faculty of Agricultural sciences, University of Kinshasa, 117 Kinshasa XI, Mont-Amba/Lemba, Democratic Republic of Congo.
4 Centre de Recherche en Forestiere et Biodiversité Tropicales (CeRFoB), Harbin, PR China.
5 School of Forestry, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China. yuying@nefu.edu.cn.
6 Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China. yuying@nefu.edu.cn.
7 Institut National pour l'Étude et la Recherche agronomiques (INERA/Luki), Antenne de Gestion et Conservation des ressources naturelles. Province Kongo central, Luki, Democratic Republic of Congo.
8 Département de Phytotechnie, Université de Kikwit. Faculté des Sciences Agronomiques, BP 76, Kikwit, Democratic Republic of Congo.