Plant, animal, or microbe species that is non-native (or alien) to the ecosystem under consideration and whose introduction causes or is likely to cause economic or environmental harm, or harm to human health.
Satellite tracking and geospatial analysis of feral swine and their habitat use in Louisiana and Mississippi [ More info] Invasive pigs first introduced to the continental United States in the 1500s by European explorers. Using tracking collars, we have begun to discover where these troublesome animals go.
Science from genes to landscapes [ More info] Explains USGS scientific research and monitoring activities focused on ecosystems, with examples from emerging diseases, invasive species, rangeland fire, and the complex interactions among organisms and human activities.
South Florida Restoration Science Forum [ More info] Discussions and posters about agriculture, ecology, hydrology, ecosystems, and resource management efforts in south Florida.
Southeast Ecological Science Center [ More info] Science center in Florida focusing on amphibians and reptiles, coastal ecology, contaminants and ecotoxicology, imperiled fish, manatees, and invasive species
Southeast Ecological Science Center - poster presentations [ More info] Poster presentations related to Greater Everglades, marine and coral studies, ecotoxicology, manatees, coastal ecology, nonindigenous aquatic species, coastal ecology, freshwater fisheries, and herpetology.
Taking the Pulse of a River System: Research on the Upper Mississippi River System [ More info] Short summaries of long-term research projects concerning the biological health of this section of the Mississippi river.
The saga of leafy spurge (Euphorbia esula) in the northern Great Plains [ More info] Explains why this invasive plant is successful in taking over land in many northern states, and what might be done to impede its dominance.
The U.S. Geological Survey Amphibian Research and Monitoring Initiative-2011 Annual Update [ More info] Amphibians are declining throughout the US. Here we explain how we monitor amphibians and why, along with some of the results we have obtained.
USGS Zebra Mussel Monitoring Program for north Texas [ More info] General characteristics of this invasive freshwater mollusk, focusing on how we monitor its presence and migration through this region.
Western Ecological Research Center (WERC) [ More info] Links to research at the field stations of the Western Ecological Research Center with direct links to web pages for wildlife videos, satellite telemetry, fire ecology, invasive species, herpetology field guide, and coastal ecosystems.
Alphabetical Index of Topics
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