Ecosystem carbon exchange in two terrestrial ecosystem mesocosms under changing atmospheric CO 2 concentrations Lin, Guanghui ; Adams, John ; Farnsworth, Blake ; Wei, Yongdan ; Marino, Bruno D. V. ; Berry, Joseph A. Abstract Publication: Oecologia Pub Date: April 1999 DOI: 10.1007/s004420050765 Bibcode: 1999Oecol.119...97L