Skip to Main Content
Harvesting influences functional identity and diversity over time in forests of the northeastern U.S.A.Author(s): M.T. Curzon; A.W. D'Amato; S. Fraver; B.J. Palik; A. Bottero; J.R. Foster; K.E. Gleason
Source: Forest Ecology and Management
Publication Series: Scientific Journal (JRNL)
Station: Northern Research Station
Download Publication (978.0 KB)
DescriptionConcern over global environmental change and associated uncertainty has given rise to greater emphasis on fostering resilience through forest management. We examined the impact of standard silvicultural systems (including clearcutting, shelterwood, and selection) compared with unharvested controls on tree functional identity and functional diversity in three forest types distributed across the northeastern United States. Sites included the Argonne, Bartlett, and Penobscot Experimental Forests located in Wisconsin, New Hampshire, and Maine, respectively. We quantified functional trait means for leaf mass per area, specific gravity, maximum height, height achieved at 20 years, seed mass, drought tolerance, shade tolerance, and flood tolerance as well as standard functional diversity measures from standing biomass reconstructed at the beginning and end of a 20-year study period using increment cores and historic inventory data. As expected, functional identity differed between harvest methods with means for plant traits associated with later stages of succession (e.g. shade tolerance) increasing in stands managed with selection systems. Opposite trends occurred with greater canopy disturbance, and functional diversity indices remained stable over time in the absence of disturbance. Estimates of functional diversity and functional identity hold promise as important approaches for evaluating outcomes of forest management, particularly as the connections among functional diversity, delivery of ecosystem services, and ecosystem resilience are further developed.
- Check the Northern Research Station web site to request a printed copy of this publication.
- Our on-line publications are scanned and captured using Adobe Acrobat.
- During the capture process some typographical errors may occur.
- Please contact Sharon Hobrla, email@example.com if you notice any errors which make this publication unusable.
- We recommend that you also print this page and attach it to the printout of the article, to retain the full citation information.
- This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
CitationCurzon, M.T.; D'Amato, A.W.; Fraver, S.; Palik, B.J.; Bottero, A.; Foster, J.R.; Gleason, K.E. 2017. Harvesting influences functional identity and diversity over time in forests of the northeastern U.S.A. Forest Ecology and Management. 400: 93-99. https://doi.org/10.1016/j.foreco.2017.05.056.
KeywordsFunctional diversity, Silviculture, Temperate forest, Disturbance, Functional identity, Plant traits, Productivity, Forest management
- Retention forestry influences understory diversity and functional identity
- Winning and Losing Tree Species of Reassembly in Minnesota’s Mixed and Broadleaf Forests
- Harvest-created canopy gaps increase species and functional trait diversity of the forest ground-layer community
XML: View XML