Material in this section originates from the following categories in our Subject Index:

Biospheric Productivity (North America: Central USA)
Greening of the Earth (North America: Central USA)
Productivity (Biosphere: North America, Central USA)

Material preceded by an asterisk (*) was posted after this subject summary was written and therefore is not included in the summary.  This material will be integrated into the summary at a later date.

Summary

* -- Recent Greening Trends in the Grasslands of the Northern Great Plains

Real-World Increase in Air's CO2 Content Has Accelerated Growth of Natural Aspen Stands

Woody Plants Acting as Carbon and Nitrogen Magnets

Real-World CO2-Induced Growth Enhancements of Oak and Pine Trees in Missouri, USA

Increasing Export of Alkalinity by the Mississippi River: Evidence of Ever-Increasing Terrestrial Productivity