ShenyangExperimentalStationofEcology;
InstituteofAppliedEcology;
ChineseAcademyofSciences;
Shenyang110016;
China//GraduateSchooloftheChineseAcademyofSciences;
Beijing100039;
China;
ShenyangExperimentalStationofEcology;
InstituteofAppliedEcology;
ChineseAcademyofSciences;
Shenyang110016;
China;
InstituteofSoilScience;
ChineseAcademyofSciences;
Nanjing210008;
China;