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

Growth Response to CO2 with Other Variables (Ozone -- Tree Species: Aspen)
Ozone (Effects on Plants -- Tree Species: Aspen)

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

* -- Carbon Dioxide vs. Ozone Effects in Birch and Aspen Trees

* -- Another Strike Against the Progressive Nitrogen Limitation Hypothesis

* -- The Competing Effects of Rising Atmospheric CO2 and O3 Concentrations

* -- Some Biological and Climatic Consequences of CO2 and O3 Effects on the Foliar Chemistry of Birch and Aspen Trees

* -- Elevated CO2 vs. O3-Induced Stress in Aspen and Birch Trees

Effects of Elevated CO2 and O3 on Tree-Herbivore-Parasite Interactions

Effects of Elevated CO2 and O3 on Plant-Insect Interactions in a Trembling Aspen Forest

Among-Clone Competition in Young Aspen Trees as Influenced by Elevated CO2 and Ozone

* -- Elevated CO2 Reduces Visible O3-Induced Foliar Injury in Aspen Clones

Elevated CO2 Fights Negative Effects of Ozone on Aspen and Birch Trees

Effects of Elevated CO2 and O3 on Photosynthesis in Aspen Clones

Effects of Elevated CO2 and O3 on Belowground Carbon Cycling in Aspen and Birch Stands

Effects of Elevated CO2 and Ozone on Aspen Clones