300 dpi: (d1539-1.jpg)
640 pixels wide: (d1539-1.jpg)
 Image Number D1539-1 |
At the High Plains Grasslands Research Station in Cheyenne, Wyoming, ecologist Dana Blumenthal (lying on the board) and plant physiologist Jack Morgan measure plant heights and download soil water content data to determine water’s role in mediating plant responses to warming and elevated carbon dioxide.
Photo by Stephen Ausmus.
