By theme Soil respiration Campbell, J. L., Sun, O. J., Law, B. E. 2004 Supply-side controls on soil respiration among Oregon forests Pub No: 4077 Griffiths, R. P., Liles, J. L., Caldwell, B. A. 1993 Soil respiration in a Pacific Northwest coniferous forest Pub No: 1472 Jandl, R., Sollins, P. 1997 Water-extractable soil carbon in relation to the belowground carbon cycle Pub No: 2422 Klopatek, Jeffrey M. 2002 Belowground carbon pools and processes in different age stands of Douglas-fir Pub No: 3469 Unsworth, Michael H., Bond, B. J., Mix, A. C., Pypker, T. G., Mahrt, L. 2004 Nocturnal air drainage in forest canopies: A new way of studying physiological responses to the weather? Pub No: 3809