International in scope, this book provides a foundation of diverse ideas and approaches to explain complex problems of trees.

Abiotic agents of tree diseases; Biotic agents of tree diseases; Overview aspects of tree disiases.

Forest stands with advanced symptoms of forest decline located on the Allegheny National Forest in northwestern Pennsylvania were studied to describe contempora

During the last decade, forest decline has become increasingly apparent. The decline in forest health was often reported to be associated with air pollution. Th