Browsing The Water Center by Author "Edmonds, Robert"
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The Ecotoxicology of Mine Waste Contamination at Different Levels of Biological Organization in the Methow River Vally, Okanogan County, Washington
Peplow, Dan; Edmonds, Robert (Center for Water and Watershed Studies, 2003-05-15)A study of mine-waste contamination effects on Methow River habitat on the eastern slopes of the north Cascade Mountains in Washington state, U.S.A., revealed impacts at ecosystem, community, population, individual, ... -
Effect of Forest Harvesting and Riparian Buffers on Headwater Stream Temperatures
Edmonds, Robert (University of Washington Water Center, 2010-02-17)Headwater streams are small in size, but can be 80% of stream length. They have a high density in steep terrain and have a high biodiversity of invertebrates, amphibians and fish. However, they are very sensitive to landscape ... -
Headwater Stream Chemistry in Western Washington: 20 Years of Study
Edmonds, Robert (University of Washington Water Center, 2006-05-16)Edmonds will present an overview of headwater streams. He will discuss stream chemistry studies, including the effects of excess nitrogen inputs in the biogeochemical cycle. Next, he will describe in detail four stream ... -
Headwater Streams: How Much Protection Do They Need?
Edmonds, Robert (University of Washington Water Center, 2007-02-14)Edmonds will introduce the subject of headwater streams. He will review indicators of change. Next, he will describe two headwater studies in Washington State, and offer some concluding remarks.