Book Chapters
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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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Soil phosphorus cycling in tropical soils: An ultisol and oxisol perspective Soil phosphorus cycling in tropical soils: An ultisol and oxisol perspective
Phosphorus (P) is essential for life. It is the backbone of our DNA, provides energy for biological reactions, and is an integral component of cell membranes. As such, it is no surprise that P availability plays a strong role in regulating ecosystem structure and function (Wassen et al. 2005, Elser et al. 2007, Condit et al. 2013), and in determining our capacity to grow food for a...
Authors
Sasha C. Reed, Tana E. Wood
South Park, Colorado: The interplay of tectonics and sedimentation creates one of Colorado’s crown jewels South Park, Colorado: The interplay of tectonics and sedimentation creates one of Colorado’s crown jewels
Recent mapping efforts and hydrocarbon exploration in the South Park Basin have brought to light the magnitude in complexity of a structural basin already recognized for its unique sedimentary and tectonic setting. This fi eld trip to one of Colorado’s scenic gems will examine how Paleozoic, Mesozoic, and Cenozoic strata record the tectonic signatures of at least three orogenic episodes...
Authors
Peter E Barkmann, Edward J Sterne, Marieke Dechesne, Karen J. Houck
Space and habitat use by breeding Golden-winged Warblers in the central Appalachian Mountains Space and habitat use by breeding Golden-winged Warblers in the central Appalachian Mountains
Spot-mapping, or recording locations of observed use by territorial songbirds, is often used to delineate core breeding territories. However, a recent radiotelemetry study in Minnesota found that male Golden-winged Warblers (Vermivora chrysoptera) occurring in high-density populations used resources outside their spot-mapped territories. We compared differences in space use and...
Authors
Mack W. Frantz, Kyle R. Aldinger, Petra Wood, Joseph Duchamp, Timothy Nuttle, Andrew Vitz, Jeffrey L. Larkin
Spatially explicit models of full-season productivity and implications for landscape management of Golden-winged Warblers in the western Great Lakes Region Spatially explicit models of full-season productivity and implications for landscape management of Golden-winged Warblers in the western Great Lakes Region
The relationship between landscape structure and composition and full-season productivity (FSP) is poorly understood for most birds. For species of high conservation concern, insight into how productivity is related to landscape structure and composition can be used to develop more effective conservation strategies that increase recruitment. We monitored nest productivity and fledgling...
Authors
Sean M. Peterson, Henry M. Streby, David E. Andersen
State-and-transition models: Conceptual versus simulation perspectives, usefulness and breadth of use, and land management applications State-and-transition models: Conceptual versus simulation perspectives, usefulness and breadth of use, and land management applications
State-and-Transition Simulation Modeling (STSM) is a quantitative analysis method that can consolidate a wide array of resource management issues under a “what-if” scenario exercise. STSM can be seen as an ensemble of models, such as climate models, ecological models, and economic models that incorporate human dimensions and management options. This chapter presents STSM as a tool to...
Authors
Louis Provencher, Leonardo Frid, Christina Czembor, Jeffrey T. Morisette
Streamflow data Streamflow data
The importance of streamflow data to the world’s economy, environmental health, and public safety continues to grow as the population increases. The collection of streamflow data is often an involved and complicated process. The quality of streamflow data hinges on such things as site selection, instrumentation selection, streamgage maintenance and quality assurance, proper discharge...
Authors
Robert R. Holmes
Streamflow ratings Streamflow ratings
Autonomous direct determination of a continuous time series of streamflow is not economically feasible at present (2014). As such, surrogates are used to derive a continuous time series of streamflow. The derivation process entails developing a streamflow rating, which can range from a simple, single-valued relation between stage and streamflow to a fully dynamic one-dimensional model...
Authors
Robert R. Holmes
Structural geometry of the Valley and Ridge and Plateaus provinces Structural geometry of the Valley and Ridge and Plateaus provinces
The Valley and Ridge physiographic province comprises the area between the Blue Ridge province on the east and the Appalachian Plateau province on the west. The province consists of Paleozoic carbonate and clastic rocks that were folded and thrust faulted during the Alleghanian orogeny. The Appalachian Plateau province consists of mostly flat lying to gently dipping upper Paleozoic rocks...
Authors
Mark A. Evans, Randall C. Orndorff, William S. Henika
Subsidence induced by underground extraction Subsidence induced by underground extraction
Subsidence induced by underground extraction is a class of human-induced (anthropogenic) land subsidence that principally is caused by the withdrawal of subsurface fluids (groundwater, oil, and gas) or by the underground mining of coal and other minerals.
Authors
Devin L. Galloway
Succession in wetlands Succession in wetlands
Succession refers to the change in vegetation over time driven by disturbances and the maturation of plant species. In wetlands, these disturbances include water and salinity level changes along other factors that can alter vegetation. The historical view of succession (Clementsian) was that vegetation change represented the linear progression of through stages of vegetation toward a...
Authors
Beth A. Middleton
Tectonic tremor Tectonic tremor
Tectonic, non-volcanic tremor is a weak vibration of ground, which cannot be felt by humans but can be detected by sensitive seismometers. It is defined empirically as a low-amplitude, extended duration seismic signal associated with the deep portion (∼20–40 km depth) of some major faults. It is typically observed most clearly in the frequency range of 2–8 Hz and is depleted in energy at...
Authors
David R. Shelly
The Bear River's history and diversion: Constraints, unsolved problems, and implications for the Lake Bonneville record: Chapter 2 The Bear River's history and diversion: Constraints, unsolved problems, and implications for the Lake Bonneville record: Chapter 2
The shifting course of the Bear River has influenced the hydrologic balance of the Bonneville basin through time, including the magnitude of Lake Bonneville. This was first recognized by G.K. Gilbert and addressed in the early work of Robert Bright, who focused on the southeastern Idaho region of Gem Valley and Oneida Narrows. In this chapter, we summarize and evaluate existing knowledge...
Authors
Joel L. Pederson, Susanne U. Janecke, Marith C. Reheis, Darrell S. Kaufmann, Robert Q. Oaks