Institution: | 1.College of Forestry, Northwest A&F University (NWAFU), P.O. Box, 712100, Yangling, China ;2.School of Forest Sciences, University of Eastern Finland (UEF), P.O. Box, 80101, Joensuu, Finland ;3.College of Economics and Management, Northwest A&F University (NWAFU), P.O. Box, 712100, Yangling, China ; |