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Lightning Protection for Trees

Thousands of trees are struck by lightning every year. These trees will have varying degrees of damage ranging from complete shattering and destruction of the tree, to a slow lingering death, to virtually no apparent damage at all (Figure 1).

URBAN TREE CANOPY ASSESSMENT: A Community’s Path to Understanding and Managing the Urban Forest

An Urban Tree Canopy (UTC) assessment, which provides a measure of a community’s tree canopy cover, is important for understanding the extent of a community’s forest or tree resource.

A consistent species richness–climate relationship for oaks across the Northern Hemisphere

Although the effects of climate on species richness are known, regional processes
may lead to different species richness–climate relationships across continents

Wood and water: How trees modify wood development to cope with drought

Drought is a recurrent stress to forests, causing periodic forest mortality with enormous economic and environmental costs.

An evolutionary and cultural biography of ginkgo

Ginkgo biloba is a distinctive living tree with a unique place in plant evolution and
human culture. It is valued in horticulture and as a street tree, is a source of edible

The impact of ancient tree form on modern landscape preferences

Empirical studies of the relationship between aspects of the landscape and human emotions have been fruitful over the last few decades. In fact, we are awash in data that describes a correlation between natural landscapes and positive human feelings.

US Urban Forest Statistics, Values, and Projections

U.S. urban land increased from 2.6% (57.9 million acres) in 2000 to 3.0% (68.0 million acres) in 2010. States with the greatest amount of urban growth were in the South/Southeast (TX, FL, NC, GA and SC).