作者单位:
Norwegian Inst Bioecon Res NIBIO, Div Forestry & Forest Resources, POB 115, N-1431 As, Norway
[1]
Swedish Univ Agr Sci SLU, Dept Wildlife Fish & Environm Studies, S-90183 Umea, Sweden
[2]
Wildlife Consultant Ltd, Morbytorpsv 303, S-18694 Vallentuna, Sweden
[3]
Swedish Univ Agr Sci SLU, Southern Swedish Forest Res Ctr, POB 49, S-23053 Alnarp, Sweden
[4]
发布时间
2017-04-15