Document Type

Report

Publication Date

3-2025

Subjects

Vegetation -- Oregon

Abstract

This effort compares the total area and spatial overlap between vegetation classes in existing vegetation maps of different eras to provide insight into possible changes in vegetation cover between 1851 and 2023 (Table 1). There are significant differences between the classifications and methods used to make each map, so we focus here on research questions that:
a) relate to at least one specific Key Habitat, and
b) where there is existing research suggesting that the specific pattern investigated is true, and
c) where the differences between the vegetation classifications compared are expected to be smaller than the differences over time.
We used three statewide vegetation maps as the baseline for these analyses: presettlement (1851 – 1937), turn of the millennium (1998), and contemporary (2016 is the most recent available), as well as several other maps that provide additional information to inform specific research questions.

Rights

This work is licensed under CC BY-SA 4.0

Persistent Identifier

https://archives.pdx.edu/ds/psu/44867

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