Title:

Long-Term Ecosystem Productivity (LTEP) tree measurement plots in the Rogue River-Siskiyou National Forest, a 20-year inventory including Biscuit Fire effects (3rd Edition)

Author(s):

D'Amore, David V.; Bormann, Bernard T.

Publication Year:

2017

How to Cite:

These data were collected using funding from the U.S. Government and can be used without additional permissions or fees. If you use these data in a publication, presentation, or other research product please use the following citation:

D'Amore, David V.; Bormann, Bernard T. 2017. Long-Term Ecosystem Productivity (LTEP) tree measurement plots in the Rogue River-Siskiyou National Forest, a 20-year inventory including Biscuit Fire effects. Long-Term Ecosystem Productivity. Forest Science Data Bank, Corvallis, OR. [Database]. Available: http://andlter.forestry.oregonstate.edu/data/abstract.aspx?dbcode=TP122

Abstract:

Permanent tree measurement plots were installed (1.5 hectares [ha]) within 27 seven-ha experimental units in the Rogue River-Siskiyou National Forest between 1992 and 1995. Plots were established with very wide buffers to follow long-term development of trees as a stand, to protect a central measurement plot, and to allow for destructive sampling in buffers. Vegetation treatments were implemented in 1997. The Biscuit complex wildfire burned about half the plots in 2002. Standard measurements on all live trees (diameter at breast height [dbh] > 3.5 centimeters [cm]) were collected 10 times between 1992 and 2010 including species, dbh, and treetop and base of live-crown heights. Additional measurements of sapwood thickness and rings in sapwood on all trees > 20 cm dbh were made and a subsample of live trees was cored for breast-height age. Biomass was determined from both derived and existing equations. Douglas-fir is the primary conifer species.

Keywords:

biota; Ecology, Ecosystems, & Environment; Landscape ecology; Natural Resource Management & Use; Landscape management; Inventory, Monitoring, & Analysis; Resource inventory; tree biomass; clearcutting; conifers; disturbance; disturbance ecology; fire; fire history; forest composition; forest structure; green tree retention; hardwoods; inventory; managed forest; mature forests; mensuration; permanent plots; reference stands; regeneration; structural diversity; synthesis studies; thinning; tree measurements; trees; young forests; Joint Fire Science Program; JFSP; Pacific Northwest; Oregon; Rogue River Siskiyou National Forest

Related publications:

• Nay, S. Mark; Bormann, Bernard T. 201412. Site-specific Douglas-Fir biomass equations from the Siskiyou Mountains, Oregon, Compared with others from the Pacific Northwest. Forest Science. 60(6):1140-1147. https://doi.org/10.5849/forsci.13-084
• Homann, Peter S.; Bormann, Bernard T.; Morrissette, Brett A.; Darbyshire, Robyn L. 20151. Postwildfire soil trajectory linked to prefire ecosystem structure in Douglas-fir forest. Ecosystems. 18(2): 260-273. https://doi.org/10.1007/s10021-014-9827-8

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