Egan, Dave and Nielsen, Erik (2014) Issues in forest restoration: The history of the four forest restoration initiative: 1980s-2010. Other. NAU Ecological Restoration Institute.
Nielsen, Erik and Solop, Fred (2013) Fact sheet: Forest health and water supply protection project ballot measure: Exit poll results. Other. NAU Ecological Restoration Institute.
Mueller, Julie M. and Swaffar, Wes and Nielsen, Erik A. and Springer, Abraham E. and Lopez, Sharon Masek (2013) Estimating the value of watershed services following forest restoration. Water Resources Research, 49 (4). pp. 1773-1781. ISSN 1944-7973
Plumb, Spencer T. and Nielsen, Erik A. and Kim, Yeon-Su (2012) Challenges of opportunity cost analysis in planning REDD+: A Honduran case study of social and cultural values associated with indigenous forest uses. Forests, 3 (2). pp. 244-264. ISSN 1999-4907