Viewpoint: Atmospheric CO 2 , Soil Water, and Shrub/Grass Ratios on Rangelands

Autor: Polley, H. Wayne, Mayeux, Herman S., Johnson, Hyrum B., Tischler, Charles R.
Zdroj: Journal of Range Management, 1997 May 01. 50(3), 278-284.
Databáze: JSTOR Journals