Approaches for estimating critical loads of nitrogen and sulfur deposition for forest ecosystems on U.S. federal lands
By: Linda H. Pardo
Contributors: United States. Forest Service. Northern Research Station
Series: General technical report NRS -- 71; General technical report NRS -- 71.
Publisher: United States Department of Agriculture, Forest Service, Northern Research Station
Published: 2010
Place of publication: Newtown Square, PA
Language: eng
Number of pages: 25
Subjects: Forest ecology; Biotic communities; Nitrogen; Measurement; Sulfur; Atmospheric deposition
Notes: Cover title.

"September 2010"--Page 2 of cover.

Also available on the Internet.