Title:

Standardized vegetation cover data from mature forests on federal lands of Washington, Oregon, and California

Author(s):

Hochhalter, Patricia A.; Simpson, Michael

Publication Year:

2024

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:

Hochhalter, Patricia A.; Simpson, Michael. 2024. Standardized vegetation cover data from mature forests on federal lands of Washington, Oregon, and California. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2024-0035

Abstract:

This data publication contains tabular data of overstory and understory vegetation composition collected from the mid-1950s to early 2000s in relatively undisturbed, mostly mature stands across forested federal lands of Oregon, Washington, and California. Most plots are on National Forest System lands, with some on Bureau of Land Management or Tribal land. Plots were distributed to represent the diversity of vegetation types across each National Forest or other management unit. These Ecology plots are not, and were never intended to be, permanent plots. Data include vegetation cover data such as lifeform, scientific name, and species cover for 38,560 plots. The longitude, latitude, and Regional ID number are also provided for each plot, with a supplemental file relating Regional IDs to land management units.

Keywords:

biota; environment; Ecology, Ecosystems, & Environment; Inventory, Monitoring, & Analysis; Resource inventory; vegetation; plot data; understory; mature forest; Washington; Oregon; California; national forest; Pacific Northwest; Pacific Southwest

Related publications:

• Simpson, Michael; Kertis, Jane; Acker, Steven A.; Hochhalter, Patricia; Bell, David M.; Gregory, Matthew J.; Nathanson, Amy; DeMeo, Tom. Unknown. Potential natural vegetation classification and mapping for Washington, Oregon, and California using gradient nearest neighbor imputation. General Technical Report. Portland, OR: U.S. Department of Agriculture, USDA Forest Service, Pacific Northwest Research Station. [In review].

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