USGS Scientific Investigations Report 2009–5078Assessment of Eutrophication in the Lower Yakima River Basin, Washington, 2004

Scientific Investigations Report 2009–5078

Assessment of Eutrophication in the Lower Yakima River Basin, Washington, 2004–07

Figure - refer to figure caption for alternative text description

Figure 9. Periphytic algal biomass measured in the Zillah reach between RM 103 and 87, Yakima River, July–October 2006 and July–September 2007, and in the Naches River, Washington, between RM 11.5 and 2.8, July–September 2007.

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