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Abstract -- Tenmile Lakes were sampled to assess the dynamics of the potentially toxic blue-green algal species, Microcystis aeruginosa and Anabaena flos-aquae. Microcystis produces hepatotoxins (known as...
In this study, I examine the influence of habitat gradients created by the 1980 eruption of Mount St. Helens, Washington USA on a recently established Rainbow Trout (Oncorhynchus mykiss) population in the...
Photographed October 1997 at Clear Lake Hills, Modoc County, California
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Abstract -- The Chewaucan River is the largest stream in the Goose and Summer lakes basin. It originates on the east slopes of Gearhart Mountain and Deadhorse and Coleman rims in the eastern Cascades and flows...
Abstract -- Pit Sculpin Cottus pitensis are endemic to Goose Lake basin, south-central
Blue Lake, Jefferson County, Oregon, has high summer surface phosphorus concentrations (ca. 30 ug/l) yet is oligotrophic (summer Secchi depth is 11 to 16 meters). Nutrient enrichment experiments done with 1000...
Abstract -- Lost Lake is located adjacent to State Highway 20 about 43 mi west of Bend and 4 mi west of the Santiam Pass. The lake has about 50 surface acres and is located at an elevation of 3,980 ft. Three...
Abstract -- Long-term public health monitoring for potentially toxigenic cyanobacteria (blue-green algae) in
Abstract -- Long-term public health monitoring for potentially toxigenic cyanobacteria (blue-green algae) in