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This is the web page for a research project that is investigating the role of climate, biogeochemistry, fire, and herbivory in controlling savanna structure and function as well as the mechanisms that may lead to savanna stability. This website includes a description of the objectives for this research project and reports on specific savannah ecosystems that are being investigated. Some of the research ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Illustration - scientific, Map, Abstract / Summary, Report
Subject: Biology, Climatology, Ecology, Environmental science
 
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The National Biological Information Infrastructure (NBII) is a broad, collaborative program to provide increased access to data and information on the nation's biological resources. NBII contains databases, teacher resources, references, information on current issues and geographically specific information pertaining to the biological sciences. Searchable databases include information on botany, fisheries, ... Full description.
Grade level: Primary (K-2), Intermediate (3-5), Middle (6-8), High (9-12), College (13-14)
Resource type: Government portal
Subject: Biology, Ecology, Policy issues
 
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This USGS fact sheet provides information about mercury toxicity and its occurrence in the environment. Maps, diagrams, and photographs complement the text which discusses the sources and types of mercury in the environment, exposure pathways, and health effects on humans and wildlife. Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), General public
Resource type: Illustration - scientific, Map, Photograph, Ref. material
Subject: Biology, Ecology, Environmental science, Natural hazards
 
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This paper discusses the environmental significance of mercury and its occurrence in U.S. coal beds as measured by the USGS's COALQUAL database. Useful diagrams and charts help explain mercury concentrations of in-ground coal by region, how mercury is released through coal combustion, and why using higher grade coals or physically cleaning coal can minimize mercury emissions during combustion. The ... Full description.
Grade level: College (15-16), Graduate / Professional
Resource type: Illustration - scientific, Map, Visualization - scientific, Report
Subject: Ecology, Environmental science, Geochemistry, Natural hazards
 
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This online book evaluates the current understanding of the linkages among climate, ecosystems, and infectious disease. It outlines the research needed to improve the understanding of these linkages and examines the potential for using climate forecasts and ecological observations to help predict infectious disease outbreaks. The entire book may be read online in HTML or PDF formats, and hard copies ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Book - text
Subject: Biology, Climatology, Ecology, Environmental science
 
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This EPA site provides links to information about Superfund risk assessment, human health and ecological risk. These resources are intended for both professionals and community members. The site also provides a glossary of risk assessment terms for reference. Full description.
Grade level: College (15-16), Graduate / Professional, General public
Resource type: Glossary, Government portal
Subject: Ecology, Environmental science, Policy issues
 
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This EPA site provides information about how sediments get contaminated, where the pollutants come from, how contaminated sediments become concentrated in lakes, rivers and oceans, their effects on plants and animals, and strategies used to treat and prevent contaminated sediments. Extensive links provide access to publications and additional information from other state and federal agencies. The ... Full description.
Grade level: Middle (6-8), High (9-12), College (13-14), General public
Resource type: Glossary, Ref. material, Government portal
Subject: Biology, Ecology, Environmental science, Hydrology
 
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This series of self-guided tutorials presents information on water, ecosystems, and energy resources. Animations of ecosystem processes enhance the text, and a summary of the important concepts covered in each topic as well as a glossary are provided. Topics include groundwater contamination and supply, the Great Lakes, coastal dunes, urban ecosystems, home energy use, energy resources, eecosystems ... Full description.
Grade level: Middle (6-8), High (9-12)
Resource type: Tutorial, Visualization - scientific, Glossary
Subject: Ecology, Environmental science, Hydrology
 
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This USGS news press release describes how the combination of shoreline erosion, land subsidence, anthropogenic infuences, and sea level rise are resulting in the loss of land in South Louisiana. It also discusses the value of Louisiana's coastal wetlands in terms of oil and gas infrastructure, shipping, fisheries, hurricane protection, and waterfowl. Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Ref. material
Subject: Ecology, Geology, Hydrology
 
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This website describes a multi-year project analyzing the processes that govern the population dynamics of nearshore benthic species, such as larval production and transport, larval settlement, disturbance, predation, and competition for space. This project involves the combination of conventional observational techniques with mathematical processes to study the complexity inherent in marine ecosystems. ... Full description.
Grade level: College (13-14), College (15-16), Graduate / Professional
Resource type: Photograph, Abstract / Summary, Discussion / Forum
Subject: Biology, Ecology, Mathematics, Biological oceanography, Chemical oceanography
 
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Results 11 - 20 of 37 <<  1 2 3 4  >>