Schulz, Bethany K.; Bechtold, William A.; Zarnoch, Stanley J. 2009. Sampling and estimation procedures for the vegetation diversity and structure indicator. Gen. Tech. Rep. PNW-GTR-781. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 53 p. The Vegetation Diversity and Structure Indicator (VEG) is an extensive inventory of vascular plants in the ...

Comprehensive assessment of individual-tree crown condition by the US Department of Agriculture, Forest Service, Forest Inventory and Analysis (FIA) Program has its origins in the concerns about widespread forest decline in Europe and North America that developed in the late 1970s and early 1980s. Programs such as the US National Acid Precipitation Assessment Program, US National Vegetation Sur...

Maintaining healthy forests is the major objective for the Forest Service scientists and managers working for the U.S. Department of Agriculture. Air pollution, specifically ozone (O3) and nitrogenous (N) air pollutants, may severely affect the health of forest ecosystems in the western U.S. Thus, the monitoring of air pollution concentration and deposition levels, as well as studies focused on...

6 Asim Banskota , Nilam Kayastha, and Michael J. Falkowski. Department of Forest 7 Resources, University of Minnesota, St. Paul, Minnesota, USA. 8 9 Michael A. Wulder and Joanne C. White. Canadian Forest Service (Pacific Forestry 10 Centre), Natural Resources Canada, Victoria, British Columbia. 11 12 Robert E. Froese. School of Forest Resources and Environmental Science, Michigan 13 Technologic...