Book Chapters
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.
Filter Total Items: 6071
The role of fish in a globally changing food system
Applied research and adaptive management techniques can assist with the necessary evolution of sustainable food systems to include a stronger emphasis on fish and other aquatic organisms. Fish provide key macro‐ and micronutrients and protein, are low in saturated fat, and have been linked to a wide array of health benefits for the developing fetus, infants, and adults. Diet quality is not only im
Authors
Abigail J. Lynch, J. Randy MacMillan
Fire and invasive plants
No abstract available.
Authors
Robert C. Klinger, Matthew L. Brooks, John M. Randall
Using the NHD, WBD, and NHDPlus to solve problems
No abstract available.
Authors
Kernell G. Ries, Peter A. Steeves
Ecological resilience indicators for mangrove ecosystems
Mangrove ecosystems are coastal wetland ecosystems dominated by mangrove species that are typically found in the intertidal zone, characterized by frequently flooded saline soil conditions. The majority of the approximately 500,000 acres of mangrove ecosystem in the United States occurs in the NGoM, and almost all of that is in Florida, with over 90 percent in the four southern counties of Lee, Co
Authors
Richard H. Day, Scott T. Allen, Jorge Brenner, Kathleen Goodin, Don Faber-Langendoen, Katherine Wirt Ames
Northern spotted owl habitat and populations: Status and threats
The northern spotted owl (Strix occidentalis caurina) was listed as threatened under the Endangered Species Act in 1990 (USFWS 1990). Providing adequate amounts of suitable forest cover to sustain the subspecies was a major component of the first recovery plan for northern spotted owls (USFWS 1992) and a driver in the basic reserve design and old-forest restoration under the Northwest Forest Plan
Authors
Damon B. Lesmeister, Ramond J Davis, Peter H Singleton, David Wiens
In situ distributions of magnetic susceptibility in some igneous rocks
Measurements of in-situ magnetic susceptibility were compiled from mainly Precambrian crystalline basement rocks beneath the Colorado Plateau and ranges in Arizona, Colorado, and New Mexico. The susceptibility meter used samples about 33 cubic centimeters of rock and measures variations in the modal distribution of magnetic minerals that form a minor component volumetrically in these coarsely crys
Authors
Mark E. Gettings
Genetics
In the current context of environmental changes, it is easy to see how extrinsic factors, such as shifts in sea surface temperature, food availability and accumulation of pollutants, can impact the health of marine mammals. However, intrinsic factors, including the genetic constitution of an individual, are also largely responsible for shaping health, particularly in terms of immune system effecti
Authors
Karina Acevedo-Whitehouse, Lizabeth Bowen
Succession in ecological education
As complex and dynamic systems, wetlands offer the opportunity to investigate and incorporate the ecological concept of succession in educational settings. For example, the well-known, classic hydrosere concept is illustrated in numerous ecology and life-science textbooks. In this chapter, the drawbacks of using the hydrosere successional concept are assessed, and two examples of using wetlands to
Authors
David J. Gibson, Beth A. Middleton
Modeling and simulation of emergent behavior in transportation infrastructure restoration
The objective of this chapter is to create a methodology to model the emergent behavior during a disruption in the transportation system and that calculates economic losses due to such a disruption, and to understand how an extreme event affects the road transportation network. The chapter discusses a system dynamics approach which is used to model the transportation road infrastructure system to
Authors
Akhilesh Ojha, Steven Corns, Thomas G. Shoberg, Ruwen Qin, Suzanna K. Long
Drivers of chaparral plant diversity
Chaparral diversity has marked spatial and temporal variation. Evolutionary diversity at the genetic, specific, and lineage level contribute to a very diverse flora. Ecological diversity is evident in life histories that comprise a range of physiological and morphological strategies for dealing with drought, and demographic patterns centered around different seedling recruitment strategies. Commun
Authors
Jon E. Keeley
Native peoples’ relationship to the California chaparral
Ethnographic interviews and historical literature reviews provide evidence that for many tribes of California, chaparral plant communities were a rich source of food, medicines, and technologies and that they supplemented natural fires with deliberate burning of chaparral to maximize its ability to produce useful products. Many of the most important chaparral plant species used in the food and mat
Authors
M. Kat Anderson, Jon E. Keeley
Linking animals aloft with the terrestrial landscape
Despite using the aerosphere for many facets of their life, most flying animals (i.e., birds, bats, some insects) are still bound to terrestrial habitats for resting, feeding, and reproduction. Comprehensive broad-scale observations by weather surveillance radars of animals as they leave terrestrial habitats for migration or feeding flights can be used to map their terrestrial distributions either
Authors
Jeffrey J. Buler, Wylie Barrow, Matthew Boone, Deanna K. Dawson, Robert H. Diehl, Frank R. Moore, Lori A. Randall, Timothy Schreckengost, Jaclyn A. Smolinsky