Gregory E Frey

Works (15)

Updated: October 15th, 2025 05:05

2025 article

The potential impact of forest loss on drinking water treatment costs in the southeastern U.S.

Nehra, A., Baker, J. S., Caldwell, P. V., Martin, K. L., Warziniack, T. W., Manner, R. H., … Costanza, J. K. (2025, August 30). Forest Policy and Economics, Vol. 179.

By: A. Nehra n, J. Baker n , P. Caldwell*, K. Martin n , T. Warziniack *, R. Manner n, C. Mihiar *, G. Frey*, J. Costanza* 

Contributors: A. Nehra n, J. Baker n , P. Caldwell*, K. Martin n , T. Warziniack *, R. Manner n, C. Mihiar *, G. Frey*, J. Costanza* 

author keywords: Forest loss; Water treatment costs; Water quality
topics (OpenAlex): Water resources management and optimization; Economic and Environmental Valuation; Hydrology and Watershed Management Studies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: September 16, 2025

2025 article

What motivates local leaders of community forests in Nepal? An examination of leaders’ expressed values and experiences

Bhusal, P., Parajuli, R., Sills, E., Song, C., & Frey, G. E. (2025, September 27). Environmental Science & Policy, Vol. 173.

By: P. Bhusal n, R. Parajuli n , E. Sills n , C. Song * & G. Frey*

author keywords: Community forestry; Leadership; Values and motivation; Latent factors; MIMIC model
topics (OpenAlex): Conservation, Biodiversity, and Resource Management; Diverse Aspects of Tourism Research; Tourism, Volunteerism, and Development
Sources: Web Of Science, ORCID, NC State University Libraries
Added: October 1, 2025

2024 article

A Qualitative Assessment of Interrelated Impacts of the Coronavirus Disease 2019 Pandemic on the Timber Supply Chain in the Southern United States

Bruck, S. R., Chizmar, S., Parajuli, R., Frey, G. E., Lamica, A., & Sills, E. O. (2024, July 21). Society & Natural Resources, Vol. 7.

By: S. Bruck*, S. Chizmar*, R. Parajuli n , G. Frey*, A. Lamica n & E. Sills n 

author keywords: Focus groups; pandemic challenges; post-pandemic opportunity; SARS-CoV-2; Southern forestry
topics (OpenAlex): Forest Management and Policy; Forest Biomass Utilization and Management; Global trade, sustainability, and social impact
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries
Added: July 22, 2024

2024 journal article

Characterizing Community Forests in the United States

Journal of Forestry, 122(3), 273–284.

By: R. Hajjar *, K. McGinley*, S. Charnley *, G. Frey*, M. Hovis n, F. Cubbage n , J. Schelhas *, K. Kornhauser *

author keywords: Participatory governance; environmental services; community benefits; local development; timber management
topics (OpenAlex): Forest Management and Policy; Conservation, Biodiversity, and Resource Management; Economic and Environmental Valuation
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
1. No Poverty (Web of Science)
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: January 16, 2024

2024 journal article

“Community Forests” in the United States – How Do we Know One When we See One?

Society & Natural Resources, 37(8), 1240–1252.

By: G. Frey*, R. Hajjar *, S. Charnley *, K. McGinley*, J. Schelhas *, N. Tarr n, L. McCaskill*, F. Cubbage n 

author keywords: Collaborative forestry; community forestry; community-based forest management; town forests; tribal forests
topics (OpenAlex): Conservation, Biodiversity, and Resource Management; Economic and Environmental Valuation; Organic Food and Agriculture
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
1. No Poverty (Web of Science)
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: June 24, 2024

2023 journal article

Forest-Based Employment in the Southern United States amidst the COVID-19 Pandemic: A Causal Inference Analysis

Forest Science, 70(1), 23–36.

By: S. Chizmar*, R. Parajuli n , S. Bruck*, G. Frey* & E. Sills n 

author keywords: stay-at-home orders; difference-in-difference; two-way fixed effect; panel event study; forest-dependent counties
topics (OpenAlex): Disaster Management and Resilience; Agricultural risk and resilience; COVID-19 epidemiological studies
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID, Crossref
Added: November 27, 2023

2023 article

Forested watersheds provide the highest water quality among all land cover types, but the benefit of this ecosystem service depends on landscape context

Caldwell, P. V., Martin, K. L., Vose, J. M., Baker, J. S., Warziniack, T. W., Costanza, J. K., … Mihiar, C. M. (2023, April 18). The Science of The Total Environment, Vol. 882.

By: P. Caldwell*, K. Martin n , J. Vose n, J. Baker n , T. Warziniack *, J. Costanza* , G. Frey*, A. Nehra n, C. Mihiar *

Contributors: P. Caldwell*, K. Martin n , J. Vose n, J. Baker n , T. Warziniack *, J. Costanza* , G. Frey*, A. Nehra n, C. Mihiar *

author keywords: Land cover change; Water quality; Drinking water supply; Forest hydrology; Ecosystem services; SPARROW model
MeSH headings : Water Quality; Ecosystem; Drinking Water; Environmental Monitoring; Forests; Agriculture; Phosphorus; Rivers; Nitrogen / analysis
topics (OpenAlex): Soil and Water Nutrient Dynamics; Hydrology and Watershed Management Studies; Urban Stormwater Management Solutions
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
14. Life Below Water (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: June 5, 2023

2022 article

Development of a framework for understanding unsold timber offerings from the US National Forest System

Frey, G. E., Wilkens, P., & Bruck, S. R. (2022, September 12). Journal of Environmental Planning and Management.

By: G. Frey*, P. Wilkens & S. Bruck n

author keywords: timber sales; appraisal; public land; forest management
topics (OpenAlex): Forest Management and Policy; Forest Ecology and Biodiversity Studies; Forest Insect Ecology and Management
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Source: Web Of Science
Added: September 26, 2022

2022 journal article

Ownership, Governance, Uses, and Ecosystem Services of Community Forests in the Eastern United States

Forests, 13(10), 1577.

By: M. Hovis *, G. Frey*, K. McGinley*, F. Cubbage n , X. Han * & M. Lupek n 

author keywords: community forests; Eastern United States; recreation; ecosystem services; governance; public participation
topics (OpenAlex): Forest Management and Policy; Conservation, Biodiversity, and Resource Management; Economic and Environmental Valuation
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
1. No Poverty (Web of Science)
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: September 29, 2022

2021 article

Allocation versus completion: Explaining the distribution of the Forest Development Program fund in North Carolina

Chizmar, S., Parajuli, R., Frey, G. E., Bardon, R. E., & Sills, E. (2021, September 11). Forest Policy and Economics, Vol. 11.

By: S. Chizmar n, R. Parajuli n , G. Frey*, R. Bardon n  & E. Sills n 

author keywords: Allocation of public funds; Cost-share program; Landowner assistance; Forest management practices; Regression; Public policy
topics (OpenAlex): Forest Management and Policy; Economic and Environmental Valuation; Forest ecology and management
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science; OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: June 27, 2022

2021 journal article

Bioeconomic Assessment of an Alley Cropping Field Trial in North Carolina, U.S.: Tree Density, Timber Production, and Forage Relationships

Sustainability, 13(20), 11465.

By: K. Dunn n, L. Unruh Snyder n , J. McCarter n, G. Frey*, J. Idassi*, D. Schnake*, F. Cubbage n 

author keywords: alley cropping; silvopasture; agroforestry; trees; forage; economic analysis; capital budgeting; North Carolina
topics (OpenAlex): Agroforestry and silvopastoral systems; Bioenergy crop production and management; Forest Management and Policy
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, ORCID, NC State University Libraries, Crossref
Added: February 8, 2022

2021 article

Challenges and opportunities for agroforestry practitioners to participate in state preferential property tax programs for agriculture and forestry

Chizmar, S., Parajuli, R., Frey, G. E., Bardon, R. E., Branan, R. A., MacFarland, K., … Ameyaw. (2021, December 17). Trees Forests and People, Vol. 3.

By: S. Chizmar*, R. Parajuli* , G. Frey*, R. Bardon* , R. Branan*, K. MacFarland, M. Smith, . Ameyaw *

author keywords: Agroforestry practices; Agroforestry economics; Landowner incentives; Natural resource policy; Preferential property tax programs
topics (OpenAlex): Forest Management and Policy; Agroforestry and silvopastoral systems; Economic and Environmental Valuation
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, NC State University Libraries
Added: March 28, 2022

2020 journal article

Global timber investments, 2005 to 2017

Forest Policy and Economics, 112, 102082.

By: F. Cubbage n , B. Kanieski n, R. Rubilar*, A. Bussoni *, V. Olmos *, G. Balmelli *, P. Donagh *, R. Lord ...

author keywords: Timber investments; Benchmarking; Global trends; Land expectation value; Internal rates of return
topics (OpenAlex): Forest Management and Policy; Conservation, Biodiversity, and Resource Management; Forest ecology and management
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: April 6, 2020

2020 article

Potential Alternative Tree Species as Substrates for Forest Farming of Log-grown Shiitake Mushrooms in the Southeastern United States

Frey, G. E., Durmus, T., Sills, E. O., Isik, F., & Comer, M. M. (2020, November 17). HortTechnology, Vol. 30, pp. 741-+.

By: G. Frey*, T. Durmus n, E. Sills n , F. Isik n  & M. Comer n

author keywords: agroforestry; fungi; farm management; Lentinuln edodes; small woodlots
topics (OpenAlex): Mycorrhizal Fungi and Plant Interactions; Fungal Biology and Applications; Plant Pathogens and Fungal Diseases
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
15. Life on Land (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: December 21, 2020

2019 journal article

Competitiveness, certification, and support of timber harvest by community forest enterprises in Mexico

Forest Policy and Economics, 107, 101923.

By: G. Frey*, F. Cubbage n , T. Holmes*, G. Reyes-Retana*, R. Davis *, C. Megevand*, D. Rodríguez-Paredes*, Y. Kraus-Elsin*, B. Hernández-Toro, D. Chemor-Salas

author keywords: Community-based natural resource management; Government support programs; Sustainable forest management certification; Production functions
topics (OpenAlex): Global trade, sustainability, and social impact; Conservation, Biodiversity, and Resource Management; Forest Management and Policy
UN Sustainable Development Goals Color Wheel
UN Sustainable Development Goal Categories
1. No Poverty (Web of Science)
2. Zero Hunger (Web of Science)
13. Climate Action (Web of Science)
15. Life on Land (Web of Science)
Sources: Web Of Science, Crossref, NC State University Libraries
Added: August 19, 2019

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