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

FACE Experiments (Trees: 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

* -- Progressive Nitrogen Limitation after Eight Years of CO2 Enrichment of Young Aspen and Birch Trees

* -- Down-Regulation of Photosynthesis in Fast-Growing Poplar Trees

* -- Will Less-Than-Adequate Nitrogen Keep Earth's Ecosystems from Positively Responding to Increases in Atmospheric CO2?

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

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

Canopy Effects on Photosynthesis in CO2-Enriched Aspen Seedlings

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

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

Elevated CO2 Reduces the Negative Effects of Ozone on Aspen Clones