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Science Quality and Integrity
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
The USGS provides unbiased, objective, and impartial scientific information upon which our audiences, including resource managers, planners, and other entities, rely.
Browse more than 5,500 book chapters authored by our scientists over the past 100+ year history of the USGS and refine search by topic, location, year, and advanced search.
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Coastal forests of the Gulf of Mexico: A description and some thoughts on their conservation
Millions of Nearctic-Neotropical landbirds move through the coastal forests of the Gulf of Mexico each spring and autumn as they migrate across and around the gulf. Migration routes in the gulf region are not static—they shift year to year and season to season according to prevailing wind patterns. Given the dynamic nature of migration routes, coastal forests around the Gulf of Mexico potentially
Authors
Wylie C. Barrow, Lori Johnson-Randall, M.S. Woodrey, J. Cox, E. Ruelas I., C. M. Riley, R.B. Hamilton, C. Eberly
Mycobacteriosis in Chesapeake Bay Striped Bass (Morone saxatilis)
No abstract available.
Authors
Christopher A. Ottinger, Vicki S. Blazer, Christine L. Densmore, David T. Gauthier, H. Kator, F. M. Panek, M. W. Rhodes, W. Vogelbein
Understanding the spatial heterogeneity of global environmental change in mountain regions
One of the challenges for global environmental change research is to understand how future climate changes will be expressed in mountain regions. The physiographic complexity of mountains creates environments that can be highly variable over relatively short distances. This spatial heterogeneity reflects a hierarchy of environmental controls. At regional scales, insolation and atmospheric circulat
Authors
Sarah Shafer, Patrick J. Bartlein, Cathy Whitlock
Debris flows at Mount St. Helens, Washington, USA
No abstract available.
Authors
Jon J. Major, Thomas C. Pierson, Kevin M. Scott
Cattail sleuths use forensic science to better understand spread of an invasive species
No abstract available.
Authors
Joy Marburger, Steve Travis, Steve K. Windels
Birth of the lower Colorado River–Stratigraphic and geomorphic evidence for its inception near the conjunction of Nevada, Arizona, and California
A detailed record of the late Cenozoic history of the lower Colorado River can be inferred from alluvial and (likely) lacustrine stratigraphy exposed in dissected alluvial basins below the mouth of the Grand Canyon. Numerous sites in Mohave, Cottonwood, and Detrital valleys contain stratigraphic records that directly bear on the mode, timing, and consequences of the river’s inception and integrati
Authors
Kyle House, Keith A. Howard, J. W. Bell, M. E. Perkins, J. E. Faulds, A. Brock
Mapping, habitat characterization, and fish surveys of the deep-water Oculina coral reef Marine Protected Area: A review of historical and current research
No abstract available.
Authors
J.K. Reed, A.N. Shepard, Christopher C. Koenig, Kathryn M. Scanlon, R. Grant Gilmore
Net dextral slip, Neogene San Gregorio–Hosgri fault zone, coastal California: Geologic evidence and tectonic implications
Reinterpretation of onshore and offshore geologic mapping, examination of a key offshore well core, and revision of cross-fault ties indicate Neogene dextral strike slip of 156 ± 4 km along the San Gregorio–Hosgri fault zone, a major strand of the San Andreas transform system in coastal California. Delineating the full course of the fault, defining net slip across it, and showing its relationship
Authors
William R. Dickinson, Mihai N. Ducea, Lewis I. Rosenberg, H. Gary Greene, Stephan A. Graham, Joseph C. Clark, Gerald E. Weber, Steven Kidder, W. Gary Ernst, Earl E. Brabb