Second revision March 24, 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
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...
A Willamette Valley farm cooperative was interested
in evaluating locations for their canning facilities based on
the criterion of minimizing aggregate distance to their contract
farms. This location problem presented an excellent opportunity
for a geographic application project as it was characterized by
one, a spatial distribution of farms and...
The people of Oregon have become increasingly aware of the constant devaluation of the public waters by unrestricted stream pollution. All of the many uses of natural water have been affected to some degree by the utilization of these same waters as carriers of domestic and industrial wastes. The streams...
The lower Willamette River, located between river mile 4.0
and 26.5, is the most seriously polluted section of the Willamette
River Basin.
Low dissolved oxygen concentrations of 2.0 to 3.0 mg/1 are
observed annually in this section of the river due to the pollutional
loads discharged into it. Waste discharges...
The rapid population growth and related economic
growth of the Willamette Valley has resulted in a significant
reduction in air quality over the past several decades.
Within the Willamette Valley air ventilation is very poor and
therefore the airpo1lutton potential is one of the highest
in the United States. There...
Revised April 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Revised February 2017.
Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Recommends pest management practices for blueberry.
Published 2018. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog