1. Northeast Forestry University, Ministry of Education; Key Laboratory of Saline-Alkali Vegetation Ecology Restoration in Oil Field (SAVER), Alkali Soil Natural Environmental Science Center (ASNESC); Harbin Hexing Road 150040 Harbin Heilongjiang China
2. Northeast Forestry University, Ministry of Education; Key Laboratory of Forest Plant Ecology; Hexing Road 26 150040 Harbin Heilongjiang China