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A Geodatabase and Digital Characterization of Wetlands Mapped in the Willamette Valley With Particular Reference to Prediction of Their Hydrogeomorphic (HGM) Class

Creator:

Adamus, Paul R.

Abstract:

This project defined criteria to allow only the use of existing spatial databases (and only those with comprehensive coverage of the ecoregion) to identify the HGM (hydrogeomorphic) class of mapped Willamette Ecoregion wetlands. The project then applied those criteria automatically and systematically to every mapped wetland in the ecoregion, resulting...

Resource Type:

Technical Report

Full Text:

with Excel spreadsheets can sort, query, or cross-tab the file comprising the Willamette wetlands
Survey of the Ecological Condition and Functions of Enhanced, Restored, and Reference Wetlands in the Willamette Valley, Oregon

Creator:

Adamus, Paul R.

Abstract:

In a series of Willamette Valley wetlands, standardized protocols were used in 2009 and 2010 to primarily assess (a) vegetation species composition and (b) relative levels of ecosystem services. Of the 60 wetlands visited in one or both years, 34 were classified as riverine and 26 as flats. Of the...

Resource Type:

Technical Report

Full Text:

and thus cannot be construed to be a probabilistic or representative sample of Willamette wetlands or