1U.S. Department of Agriculture Forest Service, Research & Development, Washington, DC.
2U.S. Department of Agriculture Forest Service, c/o Baltimore Ecosystem Study, Baltimore, MD.
3Institute for Soil Sciences and Agricultural Chemistry, Centre for Agricultural Research, Hungarian Academy of Sciences, Budapest, Hungary.
4Department of Earth and Planetary Sciences, Johns Hopkins University, Baltimore, MD.
5Department of Environmental Sciences, University of Helsinki, Lahti, Finland.
6Unit of Environmental Sciences and Management, North-West University, Potchefstroom, South Africa.
7Department of Ecology, Faculty of Veterinary Science, Szent István University, Budapest, Hungary.
8Environmental Science and Technology, University of Maryland, College Park, MD.
Address for correspondence: Richard V. Pouyat, U.S. Department of Agriculture Forest Service, Research & Development, 1400 Independence Ave SW, Washington, DC 20250. E-mail: [email protected]
Financial Disclosures/Conflicts of Interest: The idea for GLUSEEN was made possible by a Fulbright Specialist grant to R. Pouyat at the University of Helsinki. The GLUSEEN network is supported by a supplemental grant to NSF-ACI 1244820. Soil analyses were supported by the FEKUT grant (SZIE-AOTK-KK-UK 12007) of the Hungarian Ministry of Human Resources (E.H.). The use of trade, firm, or corporation names in this publication is for the information and convenience of the reader. Such use does not constitute an official endorsement or approval by the U.S. Department of Agriculture or the Forest Service of any product or service to the exclusion of others that may be suitable.
Received April 29, 2015.
Accepted for publication September 9, 2015.
