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

Water Use Efficiency (Trees)

Material preceded by an asterisk (*) is not included in the summary, but will be integrated at a later date.

Summary

* -- Large Increases in the Water Use Efficiencies of Three Tropical Forest Trees

* -- A Long-term Rise in Schrenk Spruce Water Use Efficiency in Northwest China

* -- Historic iWUE Trends in Far Northeastern China

* -- Western Juniper Response to Increasing Temperature, Drought and CO2

* -- A Recent Analysis of Ecosystem Water Use Efficiency Trends in an Old-growth Forest

* -- The Interactive Effects of CO2 and Water Stress on Pyrenean Oak Seedlings

* -- The Positive Impact of Elevated CO2 on a Chinese Forest's Water Use Efficiency

* -- Response of a Tropical Tree Exposed to Elevated CO2 and Drought

* -- The Combined Effects of Elevated CO2 and Water Deficit on Cacao

* -- The Impact of Rising Atmospheric CO2 on Spruce Tree Growth in Southwestern China

* -- A Century-long Influence of Rising Atmospheric CO2 and Temperature on an Evergreen Tree Species

* -- Modern Trends in Productivity and Intrinsic Water Use Efficiency Reported From Two European Forests

* -- Further Empirical Proof Elevated CO2 is Benefitting Earths Forests

* -- More Evidence that Rising Atmospheric CO2 and Temperature Benefit Earth's Forests

* -- Effects of CO2 Enrichment on Drought-Stressed Cassava Plants

* -- CO2 Enrichment of Air Boosts African Trees Water Use Efficiencies

* -- White Spruce Seedling Responses to CO2 Enrichment and Warming

* -- Old-growth Forests of Southern Chile are Experiencing Large and Unexpected Increases in Growth and Water Use Efficiency

* -- The Effects of Elevated CO2 on Two Coffee Cultivars

* -- CO2 Enriched Air Boosts Water Use Efficiency of Four Chinese Trees

* -- The Growth & Water Use Efficiency of Two Tree Species Since 1850

* -- Century-Long Trends in Water Use Efficiency of European Forests

* -- Water-Use and Growth of Trees in Italian and Chilean Mountains

* -- The Increasing Water-Use Efficiencies of Temperate and Boreal Forests of the Northern Hemisphere Over the Past Two Decades

The Effects of Elevated CO2 on Tree Intrinsic Water Use Efficiency

The Intrinsic Water Use Efficiency of Spruce Trees in China's Xinglong Mountains

Effects of Anthropogenic CO2 Emissions on the Growth and Water Use Efficiency of Western U.S. Ponderosa Pine Trees

Historical Increases in the Water Use Efficiency of Ponderosa Pines

Growth Responses of Populus euphratica Trees to Concomitant Changes in Groundwater Depth and Atmospheric CO2 Content

The Water Use Efficiency of Tropical Dry-Forest Trees

The Impact of Elevated CO2 on Bur Oak Response to Drought

A Century of Water Use Efficiency Information Obtained from Brazilian Conifer Trees

* -- Neotropical Tree, Shrub and Liana Species Richness

The Changing Response of Austrian Black Pine Trees to Periodic Water Deficits Over the 20th-Century

The Water Use Efficiency of Silver Fir Trees in a CO2-Accreting Atmosphere

* -- Is the Atmosphere's Rising CO2 Concentration Enhancing Natural Tree Growth?

The Historical Rise in the Air's CO2 Content and the Water Use Efficiencies of Juniper and Spruce Trees in China

Historical Changes in the Water-Use Efficiencies of Tropical Trees

Salinity, CO2 and Citrus Trees

The Water Use Efficiency of Northern Eurasian Conifers

Elevated CO2 Pumps Up Water Use Efficiency of Mesquite Seedlings

* -- Photosynthesis in Second-Generation Pine Trees Grown in Air of Elevated CO2 Concentration

Water Use Efficiencies of Northern European Trees: How Have They Responded to the Historical Rise in the Air's CO2 Content

Effects of Elevated CO2 on the Growth and Physiology of Peach Seedlings

A Water Use Efficiency History of Siberian Scots Pine Trees

Effects of Atmospheric CO2 Enrichment on the Growth and Water Use Efficiencies of Sour Orange and Other Trees

Effects of Elevated CO2 on Olive Trees

Effects of Elevated CO2 on Water-Stressed Peach Seedlings

Long-Term Effects of Elevated CO2 in a Mature Sweetgum Stand

Effects of Elevated CO2 on Water-Use Efficiency in Beech and Spruce Stands

Long-Term Effects of Elevated CO2 on Oak Trees

Elevated CO2 Effects on Canopy Transpiration in a Mature Sweetgum Stand

Real-World Increases in Air’s CO2 Concentration Help Real-World Trees Better Bounce Back from Real-World Droughts

Effects of Elevated CO2 on a Scrub Oak Species

Long-Term Effects of Elevated CO2 on Arbutus unedo Trees

Water-Use Efficiency of North American Trees Over the Past Two Centuries

Responses of a "Living Fossil" (Ginkgo biloba) to Elevated CO2

Effects of Elevated CO2 and Water Stress on Red Oak

Interactive Effects of Elevated CO2 and Drought on Cherry Seedling Photosynthesis and Water Relations

Responses of Beech and Spruce Trees to Elevated CO2 and Soil Quality

* -- Increased Rain-Use Efficiencies Indicate No Extensive Sahelian Desertification

* -- No Evidence of Wide Spread Desertification in the West African Sahel

Photosynthetic Response of Longleaf Pine to Elevated CO2, Soil Nitrogen, and Water Supply

Effects of a Naturally High CO2 Source on a Venezuelan Herb and Tree

Photosynthetic Acclimation of Five Trees to Elevated CO2 and Temperature

Interactive Effects of Temperature and CO2 on Birch

Changes in Beech Tree Water-Use Efficiency During the Past Century

Atmospheric CO2 Effects on Spruce Trees

Responses of Oak Trees to Long-Term Atmospheric CO2 Enrichment

Photosynthetic Acclimation of Birch Trees to Elevated CO2