1Shandong Agricultural University/Mountain Tai Forest Ecosystem Research Station of State Forestry
Administration/Shandong Provincial Key Laboratory of Soil Erosion and Ecological Restoration,
Tai’an, Shandong, 271018, China
2Research Institute of Forest Ecology, Environment, and Protection, Chinese Academy of Forestry,
Beijing Collaborative Innovation Center for Eco-environmental Improvement with Forestry and Fruit Trees,
Beijing 100091, China
Submission date: 2016-12-24
Final revision date: 2017-02-28
Acceptance date: 2017-03-29
Online publication date: 2017-08-28
Publication date: 2017-09-28
Pol. J. Environ. Stud. 2017;26(5):2075–2083