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Displaying 481 - 484 of 484

In an area of 21 km2 where fires have produced a mosaic of forest communities, including subalpine fir (Abies lasiocarpa), Engelman spruce (Picea engelmannii) and lodgepole pine, results from 255 track observations, 80 captures of 13 live-trapped…
Author(s): Gary M. Koehler, Maurice G. Hornocker
Year Published:

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Author(s): Floyd A. Gordon
Year Published:

The investigation of the causes of a fish kill in waters containing ferro‐ and ferricyanide at concentrations far under those generally accepted as non‐lethal have shown these low concentrations to be lethal due to photo‐decomposition and release of…
Author(s): George Edgar Burdick, Morris Lipschuetz
Year Published:

USGS has been a leader in sagebrush steppe ecosystem research and continues to meet the priority science needs of management agencies. We bring a diversity of expertise and capabilities to address a wide variety of science needs at multiple spatial…