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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.
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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Conventional rare earth element mineral deposits: The global landscape Conventional rare earth element mineral deposits: The global landscape
Four conventional mineral deposit types—carbonatite, alkaline igneous, heavy mineral sand, and regolith-hosted ion-adsorption clay deposits—currently supply global markets with the rare earth elements (REEs) and rare earth oxides (REOs) necessary to meet the technological needs of global communities. The unique properties of REEs make them useful in a wide variety of applications, such...
Authors
Nora K. Foley, Robert A. Ayuso
Energy-related rare earth element sources Energy-related rare earth element sources
Energy-related materials such as coal, coal-bearing wastes, and coal combustion products are traditionally thought of as sources or by-products of electric power generation. Increasingly, these materials are considered resources for their content of rare earth elements (REEs) and other useful constituents. In this chapter, we examine the distribution, modes of occurrence, and relative
Authors
Allan Kolker, Liliana Lefticariu, Steven T. Anderson
Cold-water corals of the world: Gulf of Mexico Cold-water corals of the world: Gulf of Mexico
The Gulf of Mexico is a semi-enclosed sea that borders the USA and Mexico and covers approximately 1.5 million square kilometers. The northern Gulf is topographically complex and is a rich source of oil and gas deposits, which has led to a great deal of research on benthic ecosystems from the coastal zone to the deep sea. While not fully explored, the distribution of cold seeps and deep...
Authors
Sandra Brooke, Amanda J. Demopoulos, Harry Roberts, Jay J. Lunden, Tracey Sutton, Andrew Davies
The species status assessment: A framework for assessing species status and risk to support endangered species management decisions The species status assessment: A framework for assessing species status and risk to support endangered species management decisions
No abstract available.
Authors
Conor P. McGowan, Nathan Allan, David R. Smith
Integrating social and environmental science in decision making for endangered species management Integrating social and environmental science in decision making for endangered species management
No abstract available.
Authors
Shawn J. Riley, Angela K. Fuller
Forecasting water levels using machine (deep) learning to complement numerical modelling in the southern Everglades, USA Forecasting water levels using machine (deep) learning to complement numerical modelling in the southern Everglades, USA
Water level is an important guide for water resource management and wetland ecosystems, defining one of the most basic processes in hydrology. This research seeks to investigate the possibility of complementing numerical modeling with a Machine Learning (ML) model to forecast daily water levels in the southern Everglades in Florida, USA. An exact analytical solution to water level may...
Authors
Courtney S Forde, Biswa Bhattacharya, Dimitri Solomatine, Eric Swain, Nicholas Aumen
Chapter 24 - Resilience-based challenges and opportunities for fisheries management in Anthropocene rivers Chapter 24 - Resilience-based challenges and opportunities for fisheries management in Anthropocene rivers
Few pristine rivers remain worldwide, as they are among the most anthropogenically modified ecosystems. We suggest the geomorphology, hydrology and ecology of Anthropocene rivers are fundamentally different from historical natural rivers. These changes challenge conventional fisheries management practices, suggesting the tools supporting fisheries management may require expansion so that
Authors
Jason A. DeBoer, Kristen L. Bouska, Christian Wolter, Martin C. Thoms
Harmful Algal Blooms (HABs) in Oregon Harmful Algal Blooms (HABs) in Oregon
No abstract available.
Authors
Kurt D. Carpenter, Chauncey W. Anderson, Daniel Sobota
Avian influenza in wild birds Avian influenza in wild birds
Influenza A viruses (IAVs)maintained among wild waterfowl, gulls, shorebirds, and some seabirds, and typically do not cause disease. Some avian-origin IAVs that have previously spilled over into domestic poultry have developed a highly pathogenic phenotype and have become important pathogens affecting both wild birds and poultry. These avian-origin IAVs have important implications to the
Authors
Andrew M. Ramey
Avian malaria and the extinction of Hawaiian forest birds Avian malaria and the extinction of Hawaiian forest birds
No abstract available.
Authors
Carter T. Atkinson
Coral reef ecosystem health Coral reef ecosystem health
No abstract available.
Authors
Thierry M. Work