Unified Interior Regions

Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)

Regions L2 Landing Page Tabs

Filter Total Items: 371
Date published: March 30, 2016
Status: Active

Evaluation of Tegu Movements and Habitat Use in Relation to Location and Habitat

Tegus are breeding, they have a diverse diet, and they are established in areas throughout South Florida. USGS is tracking this problematic reptile species to better understand their movements and habitat use to help managers prevent dispersal into new areas.

Date published: March 22, 2016
Status: Active

Mechanisms of Coastal Marsh Elevation Regulation

Sediment deposition serves an important role in the long-term maintenance of coastal marshes. USGS investigates the mechanisms of coastal marsh elevation regulation to help predict marsh sediment requirements under various sea level rise scenarios. 

Date published: March 22, 2016
Status: Active

Connectivity of Tropical Marine Ecosystems: Understanding Biodiversity and Trophic Relationships in the Virgin Islands and Puerto Rico

Marine reserves and protected areas in the U.S. Virgin Islands and Puerto Rico encompass a variety of tropical ecosystems, including coral reefs, mangroves, and seagrass beds, but questions remain regarding how effective these areas are at preserving and protecting the habitats and species they encompass. USGS and collaborators address this question by examining the biodiversity and food web...

Date published: March 22, 2016
Status: Completed

Assessing the Past and Potential Future Impacts of Salt Water Intrusion on Tidal Swamp Habitat along the South Atlantic Coast

Using historical aerial photogrammetry, satellite imagery, or recent vegetation mapping efforts, as well as various models, USGS investigates salt water intrusion impacts on coastal habitats along the southern Atlantic coast. 

Date published: March 18, 2016
Status: Active

Establishing Explicit Biological Objectives to Guide Strategic Habitat Conservation for the Gulf Coast

To inform conservation efforts for the Gulf Coast, USGS is developing a suite of decision support tools to provide explicit population and habitat objectives.

Date published: March 18, 2016
Status: Active

Population Monitoring of the Federally Threatened Okaloosa Darter at Eglin Air Force Base

USGS' and Loyola University New Orleans' innovative research techniques played a role in the decision to downlist the Okaloosa Darter, a freshwater fish endemic to northwest Florida, from Endangered to Threatened.

Contacts: Howard Jelks
Date published: March 17, 2016
Status: Active

Alabama Strategic Habitat Unit (SHU)

Alabama is host to a variety of freshwater species, many of which are critically imperiled. USGS and partners focus conservation activities in high priority watersheds throughout the state.

Date published: March 17, 2016
Status: Active

Using Environmental DNA for Burmese Python Detection Probabilities and Range-Delimitation in Southern Florida

Current tools for detection of Burmese pythons in South Florida have resulted in low detection rates. Environmental DNA - eDNA - has shown to be effective at detecting these invasive snakes, and can help to determine range limits for the species, information that is critical for management and control efforts. 

Date published: March 16, 2016
Status: Active

Wetland Evaluation and Sediment Elevation Monitoring and Analysis in the Indian River Lagoon

To better understand coastal response to sea-level rise, USGS is monitoring coastal wetland sediment elevations along Florida's east coast.

Contacts: Gordon Anderson
Date published: February 26, 2016
Status: Active

Life on the Edge: Can Corals in Mangroves Provide Insights into Climate Change and Recovery following Severe Hurricane Damage?

WARC is collaborating with USGS scientists from the St. Petersburg Coastal and Marine Science Center and other scientists outside USGS to better understand the role of Hurricane Hole as a refuge from changing climate and ocean acidification.

Date published: February 26, 2016
Status: Active

Ecology of and Control Strategies for Invasive Burmese Pythons (Python molurus bivitattus) in the Greater Everglades

Telemetry tracking of captured pythons reveals movement patterns of the invasive Burmese python in the Greater Everglades, information that managers can use to prioritize python control efforts.

Date published: February 26, 2016
Status: Active

Sea Turtle Habitat Use at Buck Island Reef National Monument, U.S. Virgin Islands

USGS researchers tag and track endangered and threatened sea turtles to inform adaptive management strategies in marine protected areas.

Filter Total Items: 5,356
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Year Published: 2020

The use of support vectors from support vector machines for hydrometeorologic monitoring network analyses

Hydrometeorologic monitoring networks are ubiquitous in contemporary earth-system science. Network stakeholders often inquire about the importance of sites and their locations when discussing funding and monitoring design. Support vector machines (SVMs) can be useful by their assigning each monitoring site as either a support or nonsupport vector...

Asquith, William H.

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Year Published: 2020

Soil surface elevation dynamics in a mangrove-to-marsh ecotone characterized by vegetation shifts

Mangrove forest encroachment into coastal marsh habitats has been described in subtropical regions worldwide in recent decades. To better understand how soil processes may influence vegetation change, we studied soil surface elevation change, accretion rates, and soil subsurface change across a coastal salinity gradient in Florida, USA, an area...

Howard, Rebecca J.; From, Andrew; Krauss, Ken W.; Andres, Kimberly D.; Cormier, Nicole; Allain, Larry K.; Savarese, Michael

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Year Published: 2020

Seasonal drivers of chemical and hydrological patterns in roadside infiltration-based green infrastructure

Infiltration-based green infrastructure has become a popular means of reducing stormwater hazards in urban areas. However, the long-term effects of green infrastructure on the geochemistry of roadside environments are poorly defined, particularly given the considerable roadside legacy metal contamination from historic industrial activity and...

Mullins, Angela R.; Bain, Daniel J; Pfeil McCullough, Erin; Hopkins, Kristina G.; Lavin, S.; Copeland, Erin

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Year Published: 2020

Fluxes of agricultural nitrogen and metolachlor metabolites are highly correlated in a first order stream in Maryland, USA

Nitrogen pollution in watersheds containing significant cropland area is generally problematic. Conservation practices intended to reduce nitrate-N (NO3--N) export from watersheds are being implemented by many regions without necessary tools to assess effectiveness of these abatement tools. A commonly used herbicide metolachlor degrades in the...

Rice, Cliff; Hively, W. Dean; McCarty, Gregory W.; Hapeman, Cathleen

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Year Published: 2020

Trends of litter decomposition and soil organic matter stocks across forested swamp environments of the southeastern US

A common idea in the discussion of soil carbon processes is that litter decomposition rates and soil carbon stocks are inversely related. To test this overall hypothesis, simultaneous studies were conducted of the relationship of environmental gradients to leaf and wood decomposition, buried cloth decomposition and percent soil organic matter in...

Middleton, Beth A.

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Year Published: 2020

Carrying capacity of a population diffusing in a heterogeneous environment

The carrying capacity of the environment for a population is one of the key concepts in ecology and it is incorporated in the growth term of reaction-diffusion equations describing populations in space. Analysis of reaction-diffusion models of populations in heterogeneous space have shown that, when the maximum growth rate and carrying capacity in...

DeAngelis, Don; Zhang, Bo; Ni, Wei-Ming; Wang, Yuanshi

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Year Published: 2020

Benthic infaunal communities of Baltimore and Norfolk Canyons

The imperative for finding, cataloging, and understanding continental margin diversity derives from the many key functions, goods and services provided by margin ecosystems and by an increasingly deleterious human footprint on our continental slopes (Levin and Dayton 2009). Progress in seafloor mapping technology and direct observation has...

Robertson, Craig M.; Bourque, Jill; Demopoulos, Amanda

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Year Published: 2020

Envisioning a national invasive species information framework

With a view toward creating a national Early Detection and Rapid Response Program (EDRR) program, the United States National Invasive Species Council Management Plan for 2016–2018 calls for a series of assessments of federal EDRR capacities, including the evaluation of “relevant federal information systems to provide the data and other...

Reaser, Jamie K; Simpson, Annie; Guala, Gerald; Morisette, Jeffrey; Fuller, Pam

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Year Published: 2020

Event and decadal-scale modeling of barrier island restoration designs for decision support

An interdisciplinary project team was convened to develop a modeling framework that simulates the potential impacts of storms and sea level-rise to habitat availability at Breton Island, Louisiana (Breton) for existing conditions and potential future restoration designs. The model framework was iteratively developed through evaluation of model...

Long, Joseph W.; Dalyander, P. Soupy; Poff, Michael; Spears, Brian; Borne, Brett; Thompson, David M.; Mickey, Rangley C.; Dartez, Steve; Gandy, Gregory

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Year Published: 2020

Microbial source tracking (MST) in Chattahoochee River National Recreation Area: Seasonal and precipitation trends in MST marker concentrations, and associations with E. coli levels, pathogenic marker presence, and land use

Escherichia coli levels in recreational waters are often used to predict when fecal-associated pathogen levels are a human health risk. The reach of the Chattahoochee River that flows through the Chattahoochee River National Recreation Area (CRNRA), located in the Atlanta-metropolitan area, is a popular recreation area that frequently exceeds...

McKee, Anna M.; Molina, Marirosa; Cyterski, Mike; Couch, Ann

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Year Published: 2020

Assessing the water quality impacts of two Category-5 hurricanes on St. Thomas, Virgin Islands

Managing waterborne and water-related diseases is one of the most critical factors in the aftermath of hurricane-induced natural disasters. The goal of the study was to identify water-quality impairments in order to set the priorities for post-hurricane relief and to guide future decisions on disaster preparation and relief administration. Field...

Jiang, Sunny; Han, Muyue; Chandrasekaran, Srikiran; Fang, Yingcong; Kellogg, Christina A.

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Year Published: 2020

Colony-forming unit spreadplate assay versus liquid culture enrichment-polymerase chain reaction assay for the detection of Bacillus Endospores in soils

A liquid culture enrichment-polymerase chain reaction (E-PCR) assay was investigated as a potential tool to overcome inhibition by chemical component, debris, and background biological impurities in soil that were affecting detection assay performance for soil samples containing Bacillus atrophaeus subsp. globigii (a surrogate for B. anthracis)....

Griffin, Dale W.; Lisle, John T.; Feldhake, David; Silvestri, Erin E.

Filter Total Items: 498
Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

Cracks shown here in the exterior and supporting structures of this home are indicative of subsidence damage associated with sinkhole activity. More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold

...
Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

A sinkhole formed in a roadway caused traffic to detour around it while it is filled in, stabilized and repaved.

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes

...
Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

The entire root perimeter of this tree collapsed in response to subsidence activity. More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and

...
Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

Sinkholes affect roadway safety and require constant maintenance and monitoring. More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of

...
Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of cultivated areas.

Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of cultivated areas.

Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of cultivated areas.

Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of cultivated areas.

Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of cultivated areas.

Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of cultivated areas.

Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

Sinkholes damage roadways and require constant maintenance for road safety. More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of

...
Image: Sinkholes in West-central Florida, Freeze Event of 2010
January 1, 2010

Sinkholes in West-central Florida, Freeze Event of 2010

Sinkholes damage roadways and require constant maintenance for road safety. More than 110 sinkholes formed in the Dover area of Florida during a freeze event in January 2010. Ground water levels dropped to record-setting lows as farmers pumped water to irrigate their plants for protection from the cold temperatures. The sinkholes destroyed homes, roads and sections of

...
Filter Total Items: 399
USGS science for a changing world logo
February 3, 2004

 

Because of an increasing awareness of the critical role of ground water in sustaining coastal populations, economies, and ecosystems, the U.S. Geological Survey (USGS) has recently published a report that describes ground water conditions in freshwater and saltwater environments along the Atlantic coast. 

USGS science for a changing world logo
April 29, 2003

To find out more about the 4.9 magnitude earthquake that hit along the Alabama-Georgia state line on April 29, 2003, go to the USGS National Earthquake Information Center (NEIC) Web site http://neic.usgs.gov/neis/bulletin/neic_teak_l.html. General information and maps are featured.

USGS
April 29, 2003

To find out more about the 4.9 magnitude earthquake that hit along the Alabama-Georgia state line on April 29, 2003, go to the USGS National Earthquake Information Center (NEIC) Web site http://neic.usgs.gov/neis/bulletin/neic_teak_l.html. General information and maps are featured.

USGS science for a changing world logo
April 18, 2003

A minor earthquake, preliminary magnitude 3.5 according to the U.S. Geological Survey, occurred in Georgia at 1:04 am EST today. 

USGS
April 18, 2003

A minor earthquake, preliminary magnitude 3.5 according to the U.S. Geological Survey, occurred in Georgia at 1:04 am EST today.

USGS science for a changing world logo
April 10, 2003

The USGS has just completed a geologically based assessment of the technically recoverable, undiscovered oil and gas resources of the Appalachian Basin Province. This area includes parts of New York, Pennsylvania, Ohio, Maryland, West Virginia, Virginia, Kentucky, Tennessee, Georgia, and Alabama.

USGS
April 10, 2003

The USGS has just completed a geologically based assessment of the technically recoverable, undiscovered oil and gas resources of the Appalachian Basin Province. This area includes parts of New York, Pennsylvania, Ohio, Maryland, West Virginia, Virginia, Kentucky, Tennessee, Georgia, and Alabama.

USGS science for a changing world logo
January 13, 2003

Scientists from the U.S. Geological Survey (USGS) and the Center for Earthquake Research and Information at the University of Memphis have updated their expectations for earthquakes in the New Madrid Seismic Zone.

USGS science for a changing world logo
November 13, 2002

Hurricanes brush or hit Charleston, S.C., about once every five and a half years, often generating large storm surges on top of already impressive tides. A hurricane that hit Charleston in 1752 caused a storm surge that nearly covered the entire present downtown area, according to one source. When the wind shifted, the water level fell 5 feet in 10 minutes.

USGS
November 13, 2002

Hurricanes brush or hit Charleston, S.C., about once every five and a half years, often generating large storm surges on top of already impressive tides. A hurricane that hit Charleston in 1752 caused a storm surge that nearly covered the entire present downtown area, according to one source. When the wind shifted, the water level fell 5 feet in 10 minutes.

USGS science for a changing world logo
October 29, 2002

October marks a new milestone in the installation of modern seismic stations in seismically active urban areas across the country. These cities include Memphis, San Francisco, Seattle, Salt Lake City, Anchorage, and Reno.

USGS
October 29, 2002

October marks a new milestone in the installation of modern seismic stations in seismically active urban areas across the country. These cities include Memphis, San Francisco, Seattle, Salt Lake City, Anchorage, and Reno.

Follow Region 2 activities on social media, get contact information for Region 2 USGS centers, and meet Region 2's staff and center directors.