Willamette Basin rivers and streams assessment
2009
Mulvey, Michael | Leferink, Robin | Borisenko, Aaron
This report was written as a resource for water quality managers, watershed councils,municipalities and citizens to help understand the status of watershed conditions in the WillametteBasin. Our interpretations are based on chemical, physical and biological indicators at threedifferent spatial scales: the basin scale, the subbasin scale and by land use categories. The data inthis report were collected at randomly selected locations. Like a political poll, these locationsrepresent the population of rivers and streams as a whole. It is not appropriate to interpret theinformation on an individual site basis. However, individual site data may be used for otherpurposes, such as indicating when water quality standards or other benchmarks are not met.
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