Stephen B Hartley
Stephen Hartley is a Geographer at the USGS Wetland and Aquatic Research Center.
Stephen Hartley is responsible for the installation, configuration, and overall maintenance of software, hardware, and networking for geographic information system operations. His specific duties include managing and coordinating GIS projects, performing image analysis, developing prototype GIS products, troubleshooting, quality control, personnel management and training, and interacting with clients. Hartley serves as WARC's GAP coordinator for Louisiana. He is one of the Center's certified UAS pilots.
Education and Certifications
M.S., Geology, University of Louisiana at Lafayette, 2000
B.S., Geology, Louisiana Tech, 1985
Science and Products
Filter Total Items: 13
Vegetation, soil, and landscape data
The northern Gulf of Mexico coast spans two major climate gradients and represents an excellent natural laboratory for developing climate-influenced ecological models. In this project, we used these zones of remarkable transition to develop macroclimate-based models for quantifying the regional responses of coastal wetland ecosystems to climate variation. In addition to providing important fish an
Filter Total Items: 28
Delineation of marsh types of the Texas coast from Corpus Christi Bay to the Sabine River in 2010
Coastal zone managers and researchers often require detailed information regarding emergent marsh vegetation types for modeling habitat capacities and needs of marsh-reliant wildlife (such as waterfowl and alligator). Detailed information on the extent and distribution of marsh vegetation zones throughout the Texas coast has been historically unavailable. In response, the U.S. Geological Survey, i
Authors
Nicholas M. Enwright, Stephen B. Hartley, Michael G. Brasher, Jenneke M. Visser, Michael K. Mitchell, Bart M. Ballard, Mark W. Parr, Brady R. Couvillion, Barry C. Wilson
Satellite tracking and geospatial analysis of feral swine and their habitat use in Louisiana and Mississippi
Feral swine (Sus scrofa) is an invasive species that was first introduced to the continental United States in the 1500s by European explorers. Also known as feral hogs or feral pigs, the animals typically weigh about 200 pounds (up to 400 pounds), have characteristic tusks up to 3 inches long, are territorial, and live in groups, except for the boars, who are solitary and typically interact with s
Authors
Stephen B. Hartley, Kathryn A. Spear, Buddy L. Goatcher
A catalog of Louisiana's nesting seabird colonies
Summarizing his colonial nesting waterbird survey experiences along the northern
coast of the Gulf of Mexico in a paper presented to the Colonial Waterbird Group of the
Waterbird Society (Portnoy 1978), bird biologist John W. Portnoy stated, “This huge
concentration of nesting waterbirds, restricted almost entirely to the wetlands and
estuaries of southern Louisiana, is unmatched in all of Nor
Authors
William R. Fontenot, Steve W. Cardiff, Richard A. DeMay, Donna L. Dittmann, Stephen B. Hartley, Clinton W. Jeske, Nicole Lorenz, Thomas C. Michot, Robert Dan Purrington, Michael A. Seymour, William G. Vermillion
A geographic information system tool for aquatic resource conservation in the Red and Sabine River Watersheds of the southeast United States
Our goal was to build a geographic information system (GIS) tool to enhance modeling and hypothesis testing relevant to watersheds and fish fauna of the Red and Sabine Rivers in the southeastern United States. Species of concern were identified from wildlife action plans and Web sites. Spatial distributions of fish species and mercury in fillets were delineated using data from states. Public geore
Authors
J. A. Jenkins, S. B. Hartley, J. Carter, D. J. Johnson, J. B. Alford
Bank erosion of navigation canals in the western and central Gulf of Mexico
Erosion of navigation canal banks is a direct cause of land loss, but there has been little quantitative analysis to determine why certain major canals exhibit faster widening rates (indicative of erosion) than others in the coastal zones of Texas, Louisiana, Mississippi, and Alabama. We hypothesize that navigation canals exhibit varying rates of erosion based on soil properties of the embankment
Authors
Cindy A. Thatcher, Stephen B. Hartley, Scott A. Wilson
Analysis of change in marsh types of coastal Louisiana, 1978-2001
Scientists and geographers have provided multiple datasets and maps to document temporal changes in vegetation types and land-water relationships in coastal Louisiana. Although these maps provide useful historical information, technological limitations prevented these and other mapping efforts from providing sufficiently detailed calculations of areal changes and shifts in habitat coverage. The cu
Authors
Robert G. Linscombe, Stephen B. Hartley
Integrating physiology, population dynamics and climate to make multi-scale predictions for the spread of an invasive insect: The Argentine ant at Haleakala National Park, Hawaii
Mechanistic models for predicting species’ distribution patterns present particular advantages and challenges relative to models developed from statistical correlations between distribution and climate. They can be especially useful for predicting the range of invasive species whose distribution has not yet reached equilibrium. Here, we illustrate how a physiological model of development for th
Authors
Stephen Hartley, Paul D. Krushelnycky, Philip J. Lester
Vegetation Types in Coastal Louisiana in 2007
During the summer and fall of 2007, the U.S. Geological Survey, the Louisiana State University Agricultural Center, and the Louisiana Department of Wildlife and Fisheries Fur and Refuge Division jointly completed an aerial survey to collect data on 2007 vegetation types in coastal Louisiana. The current map presents the data collected in this effort. The 2007 aerial survey was conducted by using t
Authors
Charles E. Sasser, Jenneke M. Visser, Edmond Mouton, Jeb Linscombe, Steve B. Hartley
USGS humanitarian and geospatial response for search and rescue after Hurricanes Katrina and Rita
The U.S. Geological Survey (USGS) assisted State and Federal agencies with humanitarian aid and geospatial analyses in support of search and rescue operations after Hurricanes Katrina and Rita.
Authors
Steve Hartley
ATLSS data viewer: A tool to analyze and display ATLSS model outputs
[No abstract available]
Authors
S. Hartley, J. Johnston
Historical and projected coastal Louisiana land changes: 1978-2050
An important component of the Louisiana Coastal Area (LCA) Comprehensive Coastwide Ecosystem Restoration Study is the projection of a “future condition” for the Louisiana coast if no further restoration measures were adopted. Such a projection gives an idea of what the future might hold without implementation of the LCA plan and provides a reference against which various ecosystem restoration prop
Authors
John Barras, Shelly Beville, Del Britsch, Stephen Hartley, Suzanne Hawes, James Johnston, Paul Kemp, Quin Kinler, Antonio Martucci, Jon Porthouse, Denise Reed, Kevin Roy, Sijan Sapkota, Joseph Suhayda
The integration of gis and image processing technology for monitoring wetland restoration projects
No abstract available.
Authors
James B. Johnston, J. Barras, S. Hartley, D. A. Fuller, Gregory D. Steyer
Science and Products
- Science
- Data
Filter Total Items: 13
Vegetation, soil, and landscape data
The northern Gulf of Mexico coast spans two major climate gradients and represents an excellent natural laboratory for developing climate-influenced ecological models. In this project, we used these zones of remarkable transition to develop macroclimate-based models for quantifying the regional responses of coastal wetland ecosystems to climate variation. In addition to providing important fish an - Maps
- Multimedia
No results found.
- Publications
Filter Total Items: 28
Delineation of marsh types of the Texas coast from Corpus Christi Bay to the Sabine River in 2010
Coastal zone managers and researchers often require detailed information regarding emergent marsh vegetation types for modeling habitat capacities and needs of marsh-reliant wildlife (such as waterfowl and alligator). Detailed information on the extent and distribution of marsh vegetation zones throughout the Texas coast has been historically unavailable. In response, the U.S. Geological Survey, iAuthorsNicholas M. Enwright, Stephen B. Hartley, Michael G. Brasher, Jenneke M. Visser, Michael K. Mitchell, Bart M. Ballard, Mark W. Parr, Brady R. Couvillion, Barry C. WilsonSatellite tracking and geospatial analysis of feral swine and their habitat use in Louisiana and Mississippi
Feral swine (Sus scrofa) is an invasive species that was first introduced to the continental United States in the 1500s by European explorers. Also known as feral hogs or feral pigs, the animals typically weigh about 200 pounds (up to 400 pounds), have characteristic tusks up to 3 inches long, are territorial, and live in groups, except for the boars, who are solitary and typically interact with sAuthorsStephen B. Hartley, Kathryn A. Spear, Buddy L. GoatcherA catalog of Louisiana's nesting seabird colonies
Summarizing his colonial nesting waterbird survey experiences along the northern coast of the Gulf of Mexico in a paper presented to the Colonial Waterbird Group of the Waterbird Society (Portnoy 1978), bird biologist John W. Portnoy stated, “This huge concentration of nesting waterbirds, restricted almost entirely to the wetlands and estuaries of southern Louisiana, is unmatched in all of NorAuthorsWilliam R. Fontenot, Steve W. Cardiff, Richard A. DeMay, Donna L. Dittmann, Stephen B. Hartley, Clinton W. Jeske, Nicole Lorenz, Thomas C. Michot, Robert Dan Purrington, Michael A. Seymour, William G. VermillionA geographic information system tool for aquatic resource conservation in the Red and Sabine River Watersheds of the southeast United States
Our goal was to build a geographic information system (GIS) tool to enhance modeling and hypothesis testing relevant to watersheds and fish fauna of the Red and Sabine Rivers in the southeastern United States. Species of concern were identified from wildlife action plans and Web sites. Spatial distributions of fish species and mercury in fillets were delineated using data from states. Public georeAuthorsJ. A. Jenkins, S. B. Hartley, J. Carter, D. J. Johnson, J. B. AlfordBank erosion of navigation canals in the western and central Gulf of Mexico
Erosion of navigation canal banks is a direct cause of land loss, but there has been little quantitative analysis to determine why certain major canals exhibit faster widening rates (indicative of erosion) than others in the coastal zones of Texas, Louisiana, Mississippi, and Alabama. We hypothesize that navigation canals exhibit varying rates of erosion based on soil properties of the embankmentAuthorsCindy A. Thatcher, Stephen B. Hartley, Scott A. WilsonAnalysis of change in marsh types of coastal Louisiana, 1978-2001
Scientists and geographers have provided multiple datasets and maps to document temporal changes in vegetation types and land-water relationships in coastal Louisiana. Although these maps provide useful historical information, technological limitations prevented these and other mapping efforts from providing sufficiently detailed calculations of areal changes and shifts in habitat coverage. The cuAuthorsRobert G. Linscombe, Stephen B. HartleyIntegrating physiology, population dynamics and climate to make multi-scale predictions for the spread of an invasive insect: The Argentine ant at Haleakala National Park, Hawaii
Mechanistic models for predicting species’ distribution patterns present particular advantages and challenges relative to models developed from statistical correlations between distribution and climate. They can be especially useful for predicting the range of invasive species whose distribution has not yet reached equilibrium. Here, we illustrate how a physiological model of development for thAuthorsStephen Hartley, Paul D. Krushelnycky, Philip J. LesterVegetation Types in Coastal Louisiana in 2007
During the summer and fall of 2007, the U.S. Geological Survey, the Louisiana State University Agricultural Center, and the Louisiana Department of Wildlife and Fisheries Fur and Refuge Division jointly completed an aerial survey to collect data on 2007 vegetation types in coastal Louisiana. The current map presents the data collected in this effort. The 2007 aerial survey was conducted by using tAuthorsCharles E. Sasser, Jenneke M. Visser, Edmond Mouton, Jeb Linscombe, Steve B. HartleyUSGS humanitarian and geospatial response for search and rescue after Hurricanes Katrina and Rita
The U.S. Geological Survey (USGS) assisted State and Federal agencies with humanitarian aid and geospatial analyses in support of search and rescue operations after Hurricanes Katrina and Rita.AuthorsSteve HartleyATLSS data viewer: A tool to analyze and display ATLSS model outputs
[No abstract available]AuthorsS. Hartley, J. JohnstonHistorical and projected coastal Louisiana land changes: 1978-2050
An important component of the Louisiana Coastal Area (LCA) Comprehensive Coastwide Ecosystem Restoration Study is the projection of a “future condition” for the Louisiana coast if no further restoration measures were adopted. Such a projection gives an idea of what the future might hold without implementation of the LCA plan and provides a reference against which various ecosystem restoration propAuthorsJohn Barras, Shelly Beville, Del Britsch, Stephen Hartley, Suzanne Hawes, James Johnston, Paul Kemp, Quin Kinler, Antonio Martucci, Jon Porthouse, Denise Reed, Kevin Roy, Sijan Sapkota, Joseph SuhaydaThe integration of gis and image processing technology for monitoring wetland restoration projects
No abstract available.AuthorsJames B. Johnston, J. Barras, S. Hartley, D. A. Fuller, Gregory D. Steyer