of;
Urban;
and;
Environmental;
Science,;
Northeast;
Normal;
University,;
Changchun;
130024,;
China;
Laboratory;
of;
Vegetation;
Ecology,;
Ministry;
of;
Education;
Grassland;
Research;
Institute,;
School;
of;
Life;
Science,;
Northeast;
Normal;
University,;
Changchun;
130024,;
China;
二氧化碳浓度升高; 植物硅酸体; 羊草; 松嫩草原; CO2浓度升高; 仿真; 中国; 陆地生态系统;