NITROGEN POLLUTION: - Hubbard Brook Research Foundation

Acknowledgments
This report is a publication of the HBRF Science Links TM program. Science Links TM
has been supported by:
Jessie B. Cox Charitable Trust
Davis Conservation Foundation
McCabe Environmental Fund of the New Hampshire Charitable Foundation
The Merck Family Fund
New York State Energy and Research Development Authority
The John Merck Fund
The Henry Luce Foundation
The Orchard Foundation
Harold Whitworth Pierce Charitable Trust
The Sudbury Foundation
Figure credits:
Figure 2a: developed by Christine Goodale
Figure 2b: provided by Elizabeth Boyer; Kimberley Driscoll
Figure 3: illustrated by David Baird
Figure 6: illustrated by David Baird
Figure 13b: courtesy of Scott Ollinger
Figure 15: provided by Greg Lawrence, U.S.G.S.
Figure 18: developed by Limin Chen
Photo/Illustration credits:
Cover illustration: David Baird
Sewage treatment plant, pages 1 and 21: EarthTech
Eutrophic water, page 1: W. Bennett, U.S. Geological Survey
Vehicle polluting, page 1: Emma Lee/Life File
Ash ozone damage, pages 1 and 12: National Park Service
White pine ozone injury, page 12: North Carolina Cooperative Extension
Pine stands, page 14: John Aber
Seagrass beds, page 16: Robert Howarth
Other credits:
Some data used in this publication were obtained from scientists of the Hubbard Brook
Ecosystem Study. PnET-BGC calculations were coordinated by Limin Chen. The Hubbard Brook
Experimental Forest is operated and maintained by the Northeastern Research Station,
U.S. Department of Agriculture, Newtown Square, PA.
Text by: Kathy Fallon Lambert, HBRF and Charles Driscoll, Syracuse University
Copy-editing by: Cathy Donohue (Montpelier, Vermont)
Design by: Mirabile Design (Montpelier, Vermont)
Printing by: Stillwater Graphics (Williamstown, Vermont)
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