Funding for this research was provided by:
the National Key Basic Research and Development Program (973 Program) (2013CB429905-04)
the Key Deployment Project of the Chinese Academy of Sciences (KZZD-EW-08)
the youth fund from the National Natural Science Foundation of China (41501477)
the special scientific research fund of forestry public welfare profession of China (201404304)
the foundation of Chinese Academy of Forestry (CAFYBB2016QB021)