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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.

Filter Total Items: 232
North Alluvial Aquifer Modeling Area Map - Arkansas
July 3, 2017

 

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 (...

Ozark Plateaus National Water-Quality Assessment (NAWQA) Program Map
June 30, 2017

Short Title: Ozark Plateaus NAWQA

Project Chief: Billy Justus

Cooperator: U.S. Geological Survey National Water-Quality Assessment Program

Project Time Frame: 1991 - present

The Ozark Plateaus study unit is one of more than 50 study units...

Sediment Sampling Boat - Lower Mississippi Gulf - Photo
June 30, 2017

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...

Sparta Aquifer Recovery Project - Illustration - Arkansas
June 30, 2017

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...

Arkansas Current Water Conditions Image
June 30, 2017

 

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...

Tri-State Ground-Water Modeling Illustration
June 30, 2017

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...

Groundwater Slug Test - Arkansas - Image
June 29, 2017

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.

USGS employee sampling surface water and groundwater photo
June 29, 2017

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...

Sprinkler irrigation
June 29, 2017

Short Title: Water-Use Data Program
Project Chief: Drew Westerman
Cooperators: Arkansas Naural Resources Commission
Project Time Frame: 1985 - present

Every 5 years since 1950, the USGS has conducted an inventory of water use in the United...

Arkansas Well Log Archive Database Illustration
June 29, 2017

 

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...

Tennessee Water Quality Sampling Photo
June 26, 2017

National Water Quality Assessment Program (NAWQA) in Tennessee

Tennessee FloodWatch Infographic
June 26, 2017

Tennessee FloodWatch Information

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
Filter Total Items: 33
Hot Springs National Park Groundwater Network - Arkansas Map
July 7, 2017

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 Map
July 7, 2017

Arkansas Natural Resources Commission Groundwater Network

To see the map of the Arkansas Natural Resources Commission Groundwater Network wells click here.

Groundwater Watch - Arkansas Map
July 7, 2017

Groundwater Watch - Arkansas

Use this interactive map to see information for the Arkansas Active Water Level Network. To see the map click here.

USGS: Science for a changing world
July 7, 2017

Rating Curve Retrieval - Arkansas

To get rating curve retrievals for the state of Arkansas click here.

Buffalo National River - National Park Service Photo - Arkansas
July 5, 2017

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.

Field Guide to the Nonindigenous Marine Fishes of Florida publication cover
January 30, 2017

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 Image
November 29, 2016

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 Image
November 29, 2016

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 Image
November 29, 2016

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.

Arkansas Current Water Conditions Image
November 29, 2016

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.

Alabama Current Water Conditions Image
November 29, 2016

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. 

Filter Total Items: 181
Year Published: 2017

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
Madsen, J., Williams, J.H., Johnson, F.A., Tombre, I.M., Dereliev, S., and Kuijken, E., 2017, Implementation of the first adaptive management plan for a European migratory waterbird population: The case of the Svalbard pink-footed goose Anser brachyrhynchus: Ambio, v. 46, supp. 2, p. 275-289, https://dx.doi.org/10.1007/s13280-016-0888-0.

Year Published: 2017

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.
Mauger, L.A., Velez, E., Cherkiss, M.S., Brien, M.L., Mazzotti, F.J., and Spotila, J.R., 2017, Conservation genetics of American crocodile, Crocodylus acutus, populations in Pacific Costa Rica: Nature Conservation, v. 17, p. 1-17, https://doi.org/10.3897/natureconservation.17.9714.

Year Published: 2017

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
Lefebvre, L.W., Provancha, J.A., Slone, D.H., and Kenworthy, W.J., 2017, Manatee grazing impacts on a mixed species seagrass bed: Marine Ecology Progress Series, v. 564, p. 29-45, https://doi.org/10.3354/meps11986.

Year Published: 2017

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.
Wang, H., Chen, Q., Hu, K., Snedden, G.A., Hartig, E.K., Couvillion, B.R., Johnson, C.L., and Orton, P.M., 2017, 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: U.S. Geological Survey Open-File Report 2017–1016, 43 p., https://doi.org/10.3133/ofr20171016.

Year Published: 2017

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.

Year Published: 2017

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.
Bargar, T.A., Whelan, K.R.T., Alvarez, D., Echols, K., and Peterman, P.H., 2017, Baseline aquatic contamination and endocrine status in a resident fish of Biscayne National Park: Marine Pollution Bulletin, v. 115, no. 1-2, p. 525-533, http://dx.doi.org/10.1016/j.marpolbul.2016.11.044.

Year Published: 2017

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
Middleton, B.A., Boudell, J., and Fisichelli, N., 2017, Using management to address vegetation stress related to land-use and climate change: Restoration Ecology, Early View, http://dx.doi.org/10.1111/rec.12507.

Year Published: 2017

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
Hart, K.M., Iverson, A.R., Benscoter, A.M.L., Fujisaki, I., Cherkiss, M.S., Pollock, C., Lundgren, I., and Hillis-Starr, Z., 2017, Resident areas and migrations of female green turtles nesting at Buck Island Reef National Monument, St. Croix, U.S. Virgin Islands: Endangered Species Research, v. 32, p. 89-101, https://doi.org/10.3354/esr00793.

Year Published: 2017

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.
Wood, W.B., Shaffer, G.P., Visser, J.M., Krauss, K.W., Piazza, S.C., Sharp, L.A., and Cretini, K.F., 2017, 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: U.S. Geological Survey Open-File Report 2017–1002, 15 p., https://doi.org/10.3133/ofr20171002.

Year Published: 2017

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.
Brandt, L.A., Benscoter, A.M., Harvey, Rebecca, Speroterra, Carolina, Bucklin, David, Romañach, S.S., Watling, J.I., and Mazzotti, F.J., 2017, Data for comparison of climate envelope models developed using expert-selected variables versus statistical selection: U.S. Geological Survey data release, https://doi.org/10.5066/F7J101BT.

Year Published: 2017

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.
Johnson, F.A., 2017, Expert opinions of demographic rates of Argentine black and white tegus in South Florida: U.S. Geological Survey data release, https://doi.org/10.5066/F7ZC810J.

Year Published: 2017

Impacts of mangrove density on surface sediment accretion, belowground biomass and biogeochemistry in Puttalam Lagoon, Sri Lanka

Understanding the effects of seedling density on sediment accretion, biogeochemistry and belowground biomass in mangrove systems can help explain ecological functioning and inform appropriate planting densities during restoration or climate change mitigation programs. The objectives of this study were to examine: 1) impacts of mangrove seedling...

Phillips, D.H.; Kumara, M.P.; Jayatissa, L.P.; Krauss, Ken W.; Huxham, M.
Phillips, D.H., Kumara, M.P., Jayatissa, L.P., Krauss, K.W., and Huxham, M., 2017, Impacts of mangrove density on surface sediment accretion, belowground biomass and biogeochemistry in Puttalam Lagoon, Sri Lanka: Wetlands, Published Online, 13 pp., http://dx.doi.org/10.1007/s13157-017-0883-7.

Filter Total Items: 67
Map shows early wetland losses in red, recent losses in purple
July 10, 2017
This map shows the historic trend in wetland losses, with early losses in red and the most recent ones in purple.
Satellite images of the same marsh in 2008 and 2016
2017 (approx.)
Satellite images of the same wetland taken in 2008 and 2016 show a wetland restoration project has produced some gains in marsh area.
Phragmites under stress in Pass A Loutre, Louisiana
2017 (approx.)
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 and...
Scientist holding a laptop and equipment, standing in a green field.
2017 (approx.)
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 enhancing...
April 19, 2017
See the actual drone footage at: https://www.usgs.gov/media/videos/prescribed-burn-tall-timbers-research-... Footage of drone during a prescribed fire at Tall Timbers Research Station, Tallahassee, Florida (April 19, 2017).
Three sailfin catfish found in the Big Cypress National Preserve
March 23, 2017
The sailfin catfish is one of 13 species of nonnative fish that biologists discovered during the Fish Slam in Big Cypress National Preserve, March 23, 2017.
Pike killifish found in Big Cypress
March 23, 2017
The pike killifish, native to Mexico and Central America, was one of 13 nonnative fish species that biologists discovered during the two-day Fish Slam in Big Cypress National Preserve, March 22 and 23, 2017.
March 11, 2017
Caribbean-Florida Water Science Center, Davie Office, supported Broward County Watter Matters Day on March 11, 2017 as part of an outreach event to the public. http://www.broward.org/WaterMatters/Pages/ProgramsWMD.aspx
Perfect Crop Row with USGS Gage in the distance by Shane Stocks
2016 (approx.)
This image is of a perfect row in a field with a USGS Gage in the background. The image was taken by Shane Stocks out of the LMG Jackson, MS office.
Filter Total Items: 69
Prescribed Burn at Tall Timbers Research Station
May 24, 2017

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.

Image: Monarch Male Close-Up
April 27, 2017

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.

A healthy coral reef at Buck Island, U.S. Virgin Island
April 20, 2017

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.

American Alligator and Burmese Python in a Struggle
April 13, 2017

Dr. Bryan Falk (USGS Research Fellow based in Everglades National Park) briefed U.S. Congressman Mario Díaz-Balart (Florida 25th district, which includes Big Cypress National Preserve and a portion of Everglades National Park) on invasive species issues. 

A Manatee swimming in Florida waters.
April 11, 2017

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.

Manatee
April 11, 2017

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. 

The Caernarvon Freshwater Diversion structure, located at the head of Breton Sound Estuary, became operational in 1992.
February 8, 2017

New research shows how river diversions may change water quality in estuaries. 

Wading birds feed near wooden posts marking a research site in a Louisiana salt marsh
January 25, 2017

Changes in rainfall and temperature are predicted to transform wetlands in the Gulf of Mexico and around the world within the century, a new study from the USGS and the University of Texas Rio Grande Valley concludes.

A SCUBA diver beside a Massive starlet coral on the sea floor at Dry Tortugas National Park
January 25, 2017

Boulder corals in the waters of Dry Tortugas National Park, 70 miles from Key West, contain evidence that confirms a centuries-old sea temperature cycle linked to rains, droughts and hurricanes.

Photo of a young girl drinking water, which likely originated from groundwater sources. 
January 19, 2017

A regional assessment of untreated groundwater in the Coastal Lowlands aquifer system in the southeastern United States is now available from the U.S. Geological Survey.

Photo of a young girl drinking water, which likely originated from groundwater sources. 
January 19, 2017

A regional assessment of untreated groundwater in the Southeastern Coastal Plain aquifer system is now available from the U.S. Geological Survey.