Regions L2 Landing Page Tabs
We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.
Short Title: Middle Fork Study
Project Chief: William Baldwin
Cooperators: Hot Springs Village Property Owners Association, Arkansas Department of Environmental Quality, Arkansas Game and Fish Commission,Arkansas Naural Resources Commission, U.S. Bureau of Land Management, and U.S. Fish and Wildlife Service...
Short Title: North Ground-Water Model
Project Chief: Phillip Hays
Cooperators: Arkansas Natural Resources Commission
Project Time Frame: 2005 - present
Several counties in eastern and southern Arkansas have been designated Critical Ground-Water Areas (areas where alluvial aquifer...
Short Title: Ozark Plateaus NAWQA
Project Chief: Billy Justus
Project Time Frame: 1991 - present
The Ozark Plateaus study unit is one of more than 50 study units that are part...
Short Title: Sediment Data Program
Project Chief: Dwight Lasker
Cooperator: U.S. Army Corps of Engineers - Memphis District
Project Time Frame: 1997 - present
Sediment concentrations and discharges in rivers and streams must be defined and monitored for effective water resource planning and water-...
Short Title: Sparta Recovery Project
Project Chief: Anna Nottmeier
Cooperators: Union County Water Conservation Board
Project Time Frame: 2002 - present
The Sparta aquifer is a confined aquifer of great regional importance and is a major water resource for municipal, industrial,...
Short Title: Surface-Water Data Program
Project Chief: William Baldwin
Cooperators: U.S. Army Corps of Engineers - Little Rock District, U.S. Army Corps of Engineers - Memphis District, U.S. Army Corps of Engineers - Vicksburg District, Arkansas Natural Resources Commission, Arkansas Geological...
Short Title: Tri-State Ground-Water Model
Project Chief: Jonathan Gillip
Cooperators: Kansas Water Board
Project Time Frame: 2005 - present
To assess the effect that increased water use is having on the long-term availability of groundwater within the Ozark Plateaus aquifer system, a...
The National Water Management Center (NWMC) serves as a production support center for the U.S. Department of Agriculture - Natural Resources Conservation Service (NRCS). The NWMC consists of an interdisciplinary, multi-agency team of national specialists helping implement water-related projects across the country.
Short Title: QW Data Program
Project Chief: Dwight Lasker
Cooperators: U.S. Army Corps of Engineers - Little Rock District, U.S. Fish and Wildlife Service, Bureau of Land Management, Arkansas Natural Resources Commission, Arkansas Geological Survey, Arkansas Department of Environmental Quality, ...
Every 5 years since 1950, the USGS has conducted an inventory of water use in the United States. In 1978...
Short Title: Well Log Database
Project Chief: Drew Westerman
Cooperators: Arkansas Naural Resources Commission
Project Time Frame: 2005 - present
Arkansas water regulations require metering on ground-water withdrawals for all sustaining aquifers named by the Arkansas Natural Resources Commission...
National Water Quality Assessment Program (NAWQA) in Tennessee
We conduct impartial, multi- and interdisciplinary research and monitoring on a large range of natural-resource issues that impact the quality of life of citizens and landscapes of the Southeastern United States and the Caribbean region.USGS National Water Data Portal
Groundwater Watch - Hot Springs National Park - Arkansas
Use this interactive map to see information on the Arkansas Hot Springs National Park Groundwater Network. To see the map click here.
Arkansas Natural Resources Commission Groundwater Network
To see the map of the Arkansas Natural Resources Commission Groundwater Network wells click here.
Groundwater Watch - Arkansas
Use this interactive map to see information for the Arkansas Active Water Level Network. To see the map click here.
Rating Curve Retrieval - Arkansas
To get rating curve retrievals for the state of Arkansas click here.
Buffalo National River Floating Conditions - Arkansas
This interactive map will show real time current floating conditions for the Buffalo National River in Arkansas. You can also see information on camping, picnic areas, boat launch sites, trails and concessionaires. To view the map click here.
Geographical Information Systems (GIS) Resources for Georgia, North and South Carolina
Spatial/GIS data sets
Field Guide to the Nonindigenous Marine Fishes of Florida
The purpose of this field guide is to provide information on nonindigenous (i.e., non-native) fishes that have been observed in Florida’s marine waters.
Tennessee Current Water Conditions
See Current Water Conditions for Tennessee using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.
Louisiana Current Water Conditions
See Current Water Conditions for Louisiana using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.
Mississippi Current Water Conditions
See Current Water Conditions for Mississippi using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.
Alabama Current Water Conditions
See Current Water Conditions for Alabama using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.
Arkansas Current Water Conditions
See Current Water Conditions for Arkansas using our new interactive map. Here you can find information on Groundwater, Surface Water and Water Quality.
Implementation of the first adaptive management plan for a European migratory waterbird population: The case of the Svalbard pink-footed goose Anser brachyrhynchus
An International Species Management Plan for the Svalbard population of the pink-footed goose was adopted under the Agreement on the Conservation of African-Eurasian Migratory Waterbirds in 2012, the first case of adaptive management of a migratory waterbird population in Europe. An international working group (including statutory agencies, NGO...Madsen, Jesper; Williams, James Henty; Johnson, Fred A.; Tombre, Ingunn M.; Dereliev, Sergey; Kuijken, Eckhart
Conservation genetics of American crocodile, Crocodylus acutus, populations in Pacific Costa Rica
Maintaining genetic diversity is crucial for the survival and management of threatened and endangered species. In this study, we analyzed genetic diversity and population genetic structure at neutral loci in American crocodiles, Crocodylus acutus, from several areas (Parque Nacional Marino Las Baulas, Parque Nacional Santa Rosa, Parque Nacional...Mauger, Laurie A.; Velez, Elizabeth; Cherkiss, Michael S.; Brien, Matthew L.; Mazzotti, Frank J.; Spotila, James R.
Manatee grazing impacts on a mixed species seagrass bed
The endangered manatee Trichechus manatus is one of few large grazers in seagrass systems. To assess the long-term impacts of repeated grazing on seagrasses, we selected a study site within Kennedy Space Center in the northern Banana River, Brevard County, Florida, that was typically grazed by large numbers of manatees in spring. Two 13x13 m...Lefebvre, Lynn W.; Provancha, Jane A.; Slone, Daniel H.; Kenworthy, W. Judson
Numerical modeling of the effects of Hurricane Sandy and potential future hurricanes on spatial patterns of salt marsh morphology in Jamaica Bay, New York City
The salt marshes of Jamaica Bay, managed by the New York City Department of Parks & Recreation and the Gateway National Recreation Area of the National Park Service, serve as a recreational outlet for New York City residents, mitigate flooding, and provide habitat for critical wildlife species. Hurricanes and extra-tropical storms have been...Wang, Hongqing; Chen, Qin; Hu, Kelin; Snedden, Gregg A.; Hartig, Ellen K.; Couvillion, Brady R.; Johnson, Cody L.; Orton, Philip M.
Taxonomic revision of the South American catfish genus Ageneiosus (Siluriformes: Auchenipteridae) with the description of four new species
The catfish genus Ageneiosus in the exclusively Neotropical family Auchenipteridae is revised. Species of Ageneiosus are widely distributed in all major South American continental drainages except the São Francisco River basin and small rivers along the Brazilian east coast. The taxonomic revision was based on examination of available type...Ribeiro, Frank R.V.; Rapp Py-Daniel, Lúcia H.; Walsh, Stephen J.
Baseline aquatic contamination and endocrine status in a resident fish of Biscayne National Park
Surface water, sediment, and fish from Biscayne Bay, coastal wetlands adjacent to the Bay, and canals discharging into the Bay were sampled for determination of baseline contamination in Biscayne National Park. While the number of contaminants detected in canal waters was greater during the wet season than the dry season, no seasonal difference...Bargar, Timothy A.; Whelan, Kevin R.T.; Alvarez, David; Echols, Kathy R.; Peterman, Paul H.
Using management to address vegetation stress related to land-use and climate change
While disturbances such as fire, cutting, and grazing can be an important part of the conservation of natural lands, some adjustments to management designed to mimic natural disturbance may be necessary with ongoing and projected climate change. Stressed vegetation that is incapable of regeneration will be difficult to maintain if adults are...Middleton, Beth A.; Boudell, Jere; Fisichelli, Nicholas
Resident areas and migrations of female green turtles nesting at Buck Island Reef National Monument, St. Croix, U.S. Virgin Islands
Satellite tracking in marine turtle studies can reveal much about their spatial use of breeding areas, migration zones, and foraging sites. We assessed spatial habitat-use patterns of 10 adult female green turtles (Chelonia mydas) nesting at Buck Island Reef National Monument, U.S. Virgin Islands (BIRNM) from 2011 – 2014. Turtles ranged in size...Hart, Kristen M.; Iverson, Autumn; Benscoter, Allison M.; Fujisaki, Ikuko; Cherkiss, Michael S.; Pollock, Clayton; Lundgren, Ian; Hillis-Starr, Zandy
Forested floristic quality index: An assessment tool for forested wetland habitats using the quality and quantity of woody vegetation at Coastwide Reference Monitoring System (CRMS) vegetation monitoring stations
The U.S. Geological Survey, in cooperation with the Coastal Protection and Restoration Authority of Louisiana and the Coastal Wetlands Planning, Protection and Restoration Act, developed the Forested Floristic Quality Index (FFQI) for the Coastwide Reference Monitoring System (CRMS). The FFQI will help evaluate forested wetland sites on a...Wood, William B.; Shaffer, Gary P.; Visser, Jenneke M.; Krauss, Ken W.; Piazza, Sarai C.; Sharp, Leigh Anne; Cretini, Kari F.
Data for comparison of climate envelope models developed using expert-selected variables versus statistical selection
The data we used for this study include species occurrence data (n=15 species), climate data and predictions, an expert opinion questionnaire, and species masks that represented the model domain for each species. For this data release, we include the results of the expert opinion questionnaire and the species model domains (or masks). We developed...Brandt, Laura A.; Benscoter, Allison; Harvey, Rebecca G.; Speroterra, Carolina; Bucklin, David N.; Romanach, Stephanie; Watling, James I.; Mazzotti, Frank J.
Expert opinions of demographic rates of Argentine black and white tegus in South Florida
We illustrate the utility of expert elicitation, explicit recognition of uncertainty, and the value of information for directing management and research efforts for invasive species, using tegu lizards (Salvator merianae) in southern Florida as a case study. We posited a post-birth pulse, matrix model, which was parameterized using a 3-point...Johnson, Fred A.
Molecular systematics of the critically-endangered North American spinymussels (Unionidae: Elliptio and Pleurobema) and description of Parvaspina gen. nov.
Despite being common in numerous marine bivalve lineages, lateral spines are extremely rare among freshwater bivalves (Bivalvia: Unionidae), with only three known species characterized by the presence of spines: Elliptio spinosa, Elliptio steinstansana, and Pleurobema collina. All three taxa are endemic to the Atlantic Slope of southeastern North...Perkins, Michael A.; Johnson, Nathan A.; Gangloff, Michael M.
Chart showing changes in vegetation density in the Mississippi River delta in Louisiana, May 2015-May 2016. From a USGS Open File Report published in July 2017 by co-authors Elijah Ramsey III and Amina Rangoonwala,
An aerial view of southeast Louisiana coastal marshes.
Satellite images of the same wetland taken in 2008 and 2016 show a wetland restoration project has produced some gains in marsh area.
This map shows the historic trend in wetland losses, with early losses in red and the most recent ones in purple.
Snapshot, or first frame of from a 17-minute video shot on June 20, 2017, in Madeira Beach, Florida. Researchers at the USGS are using these and other video images to improve understanding and computer modeling of beach processes, especially those that change the coast. See also, a time-averaged...
Time-averaged image, or “timex,” created by averaging the intensity of light recorded at each spot, or “pixel,” during a 17-minute video taken at Madeira Beach, Florida, on June 20, 2017. Blurred white bands show where waves are breaking. Offshore band shows location of a sand bar. Line between wet and dry sand shows the maximum height on the beach reached by the waves (“runup”). Researchers...
“Variance” image produced from video shot at Madeira Beach, Florida, on June 20, 2017. The more the light intensity changes at a given spot, or “pixel,” during the video, the brighter the value assigned to that pixel. Motion tends to produce changes in light intensity. Note bright bands parallel to shore where waves were breaking. Researchers are using these and other video images to improve...
Photograph taken June 7, 2016, one day after Tropical Storm Colin, on Sunset Beach in the town of St. Pete Beach, Florida. Storm waves eroded the beach and dune, producing a cliff-like feature called a beach scarp.
Photograph taken during Tropical Storm Colin, June 6, 2016, on Sunset Beach in the town of St. Pete Beach, Florida.
Brown patches and brown stems show stress in this phagmites (roseau cane) stand in Pass A Loutre Wildlife Management Area, a tract of state-owned land in Louisiana's bird foot delta, where the Mississippi River meets the Gulf of Mexico. An ongoing phragmites was first discovered in spring 2017 and blamed on an invasive scale insect from Asia. But a new USGS report, based on satellite imaging...
Vegetation assessments are part of an effort to produce seamless, consistent, and high resolution landcover data for the northern portion of the western gulf coastal plain. This geography was once dominated by tallgrass prairie and has undergone dramatic change with less than 1% of this natural habitat in existence.
Tallgrass prairie provides a suite of ecosystem services including...
Drone footage of a prescribed fire at Tall Timbers Research Station, Tallahassee, Florida (April 19, 2017).
Lack of Major Hurricanes Since 2008 Is Likely the Main Reason
Larger-than-average low and no oxygen area may affect the region’s shrimp fisheries
Scientists work in the field before, during and after landfall to improve forecasting and recovery.
Biologists have confirmed white-nose syndrome in the southeastern bat, or Myotis austroriparius, for the first time. The species joins eight other hibernating bat species in North America that are afflicted with the deadly bat fungal disease.
A new U.S. Geological Survey study that looked at the extensive harmful algal bloom that plagued Florida last year found far more types of cyanobacteria present than previously known.
U.S. Geological Survey scientists and partners are taking technology to the next level, using unmanned aircraft systems (UAS), commonly called drones, to acquire both fire intensity and emissions data during prescribed burns.
On its 205th anniversary, Louisiana still rocks.
As many as 1.8 billion additional stems of milkweed plants may be needed in North America to return imperiled monarch butterflies to a sustainable population size, according to a recently published U.S. Geological Survey study.
In the first ecosystem-wide study of changing sea depths at five large coral reef tracts in Florida, the Caribbean and Hawai’i, U.S. Geological Survey researchers found the sea floor is eroding in all five places, and the reefs cannot keep pace with sea level rise. As a result, coastal communities protected by the reefs are facing increased risks from storms, waves and erosion.
Florida’s iconic manatee population is highly likely to endure for the next 100 years, so long as wildlife managers continue to protect the marine mammals and their habitat, a new study by the US Geological Survey and the Florida Fish and Wildlife Research Institute has found.
We appreciate your interest in USGS' Sirenia Project. To help inform members of the media and public, we have provided relevant publications, reports, and websites.
New research shows how river diversions may change water quality in estuaries.