作者单位:
Norwegian Institute for Nature Research, P.O. Box 5685 Sluppen, NO-7485 Trondheim, Norway (and above)
[1]
Department of Ecology and Natural Resource Management, Norwegian University of Life Sciences, P. O. Box 5003, N-1432 ?s, Norway.
[2]
Department of Biology, Faculty of Natural Science and Technology, Norwegian University of Science and Technology, N-7491 Trondheim, Norway
[3]
Faculty of Agriculture and Information Technology, Nord-Tr?ndelag University College, Servicebox 2501, N-7729 Steinkjer, Norway
[4]
发布时间
2013-11-20