Invasive Reptiles
Invasive Reptiles
An invasive species is an introduced species that has established itself and causes negative impacts to the native environment, the economy, and even human health. WARC science is used by resource managers to help mitigate and control these problematic species, including the Burmese python.
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Developing and evaluating a point-of-use environmental DNA test for rapid field detection of highly invasive brown treesnakes
New terrestrial environmental DNA (eDNA) sampling techniques are sensitive tools for early detection of the highly invasive brown treesnakes (BTS). In a new collaborative research effort involving four USGS science centers, scientists have initiated the development of an innovative point-of-use (POU) assay for BTS. POU assays are tests that can be run in the field with minimal equipment and no...
Burmese Python Environmental DNA (eDNA) Surveys in the Stormwater Treatment Areas and Corkscrew Regional Ecosystem Watershed
USGS scientists have developed and optimized python-specific eDNA markers to detect Burmese pythons from water samples taken from the Florida Everglades. This development may aid in the identification of possible waterways used as corridors for northward expansion of this invasive species.
Assessing Risk Communication in the Pet and Aquarium Trade: An Analysis of Outreach and Engagement Efforts
WARC researchers evaluated whether outreach campaigns targeting pet owners are effectively reaching their desired audiences, namely pet owners who might unintentionally or purposefully release their pet into the wild.
Future Aquatic Invaders of the Northeast U.S.: How Climate Change, Human Vectors, and Natural History Could Bring Southern and Western Species North
Researchers will evaluate the potential of aquatic species to invade the Northeast U.S. Following the identification of appropriate target species by regional stakeholders, researchers will gather data from the NAS database and develop models to determine habitat suitability for each species.
Multi-year Burmese Python Vital Rate Research Collaborative in the Greater Everglades
USGS researchers will track juvenile Burmese python within Big Cypress National Preserve (BICY) and collect data on snake growth, habitat use, and causes of mortality. Known-fate models will be used to estimate survival and better understand factors that influence survival.
USGS Coordinated Burmese Python Research Strategy for South Florida (FY21 – FY27)
Wetland and Aquatic Research Center and Fort Collins Science Center are coordinating a long-term, landscape-scale Burmese python research strategy for South Florida.
Understanding Greater Everglades Mammal Communities within and adjacent to the Arthur R. Marshall Loxahatchee National Wildlife Refuge
WARC Researchers are using a variety of methods to assess mammal communities across the Greater Everglades.
Applications of Advanced Tracking and Modeling Tools with Burmese Pythons across South Florida's Landscape
Researchers will determine movement rates and habitat-use patterns of pythons across the South Florida landscape by conducting a telemetry study tracking pythons simultaneously in several locations
Habitat Selection of the Burmese Python in the Florida Everglades
Researchers plotted locations of radio-tagged pythons to create a habitat suitability model.
The Nonindigenous Aquatic Species Alert Risk Mapper (ARM)
The Nonindigenous Aquatic Species (NAS) program has developed a new tool, the NAS Alert Risk Mapper (ARM), to characterize waterbodies in the conterminous U.S. and Hawaii at potential risk of invasion from a new nonindigenous species sighting.
A Structured Decision-Making Framework for Controlling, Monitoring, and Containment of Invasive Species through Trapping: An Application to the Argentine Black and White Tegu
USGS is applying decision analysis to identify cost-effective methods for controlling invasive species like the Argentine black and white tegu.
Statistical Models for the Design and Analysis of Environmental DNA (eDNA) Surveys of Invasive and Imperiled Species
Detecting invasive species at low densities or prior to population establishment is critical for successful control and eradication. For example, Burmese pythons occupy thousands of square kilometers of mostly inaccessible habitats.