Cited by 22Ecology and Vegetation Dynamics StudiesConservation, Biodiversity, and Resource ManagementForest Ecology and Biodiversity Studies

Eastern national parks protect greater tree species diversity than unprotected matrix forests

Open access
Miller, Kathryn M., McGill, Brian J., Mitchell, Brian R., Comiskey, Jim, Dieffenbach, Fred W., Matthews, Elizabeth R., Perles, Stephanie J., Paul Schmit, John +1 more·2018·Forest Ecology and Management

Abstract

Decline in tree species diversity is a widespread trend in eastern US forests, with implications for ecosystem functions and services, biodiversity and vulnerability to climate change and other stressors. While some impacts on diversity are widespread such as forest pests, forest management practices vary across the landscape. For example, forests in US national parks are managed to promote ecological integrity, develop under natural disturbance regimes, and are largely protected from timber harvesting. In this study we compared forests in 39 eastern US national parks with surrounding matrix forests to assess whether forest protection has led to differences in tree diversity patterns in parks. We calculated multiple alpha and beta diversity metrics using tree stem data. We examined alpha diversity metrics at the scale of the 7.31 m radius subplot and for an equal number of individuals, and examined beta diversity at multiple scales. This is the first study to compare tree diversity in protected lands with the surrounding forest matrix over such a large area of the US, and is only possible because of the 10+ years of data that are publicly available from US Forest Service (USFS) Forest Inventory and Analysis (FIA) and the National Park Service (NPS) Inventory and Monitoring (I&M) programs. Overall, results indicated that park forests have consistently greater alpha diversity. Park forests have higher tree species richness, particularly after the influence of the number of indi…

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Crossref · 10.1016/j.foreco.2018.02.018

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  • Eastern park forests house greater tree diversity than unprotected forests in the surrounding ecoregions.

    “Since eastern park forests house greater tree diversity (Miller et al., 2018) and structural complexity (Miller et al., 2016) than unprotected forests in the surrounding ecoregions, forests in eastern national parks play a unique role in providing protected habitat for countless organisms and essential ecosystem services.”

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Authors
Miller, K. M., McGill, B. J., Mitchell, B. R., Comiskey, J., Dieffenbach, F. W., Matthews, E. R., Perles, S. J., Paul Schmit, J., & Weed, A. S.
Affiliations
  • National Park Service (US)
  • University of Maine (US)
Corresponding author
Miller, Kathryn M.
Venue
Forest Ecology and Management
Publisher
Elsevier BV
Published
2018-04
Volume
414
Pages
74-84
ISSN
0378-1127 (ISSN-L)
OpenAlex
W2790540323
Cited by
22
References
71
Citations by year
2026: 4 · 2025: 3 · 2023: 6 · 2022: 4 · 2021: 2 · 2020: 1 · 2019: 2
FWCI
0.98
Type
journal article
Language
en
Open access
Locations
Forest Ecology and Management (acceptedVersion)
Funders
National Park Service
Topics
  • Physical Sciences › Environmental Science › Nature and Landscape Conservation › Ecology and Vegetation Dynamics Studies
  • Physical Sciences › Environmental Science › Global and Planetary Change › Conservation, Biodiversity, and Resource Management
  • Life Sciences › Agricultural and Biological Sciences › Insect Science › Forest Ecology and Biodiversity Studies
Keywords
tree species diversity, national parks, protected areas, forest matrix, alpha diversity, beta diversity, species richness, species evenness, dominance, rare species, forest protection, climate resilience, forest management

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