Publications
Publications from USGS science centers throughout the Southeast Region.
Filter Total Items: 10353
Rapid inundation of the southern Florida coastline despite low relative sea-level rise rates during the late-Holocene Rapid inundation of the southern Florida coastline despite low relative sea-level rise rates during the late-Holocene
Sediment cores from Florida Bay, Everglades National Park were examined to determine ecosystem response to relative sea-level rise (RSLR) over the Holocene. High-resolution multiproxy analysis from four sites show freshwater wetlands transitioned to mangrove environments 4–3.6 ka, followed by estuarine environments 3.4–2.8 ka, during a period of enhanced climate variability. We calculate...
Authors
Miriam Jones, G. Lynn Wingard, Bethany Stackhouse, Katherine Keller, Debra A. Willard, Marci E. Marot, Bryan D. Landacre, Christopher E. Bernhardt
A 3-year in-situ measurement of CO2 efflux in coastal wetlands: Understanding carbon loss through ecosystem respiration and its partitioning A 3-year in-situ measurement of CO2 efflux in coastal wetlands: Understanding carbon loss through ecosystem respiration and its partitioning
Understanding the link between ecosystem respiration (Reco) and its influential factors is necessary to evaluate the sources of gaseous carbon loss in coastal wetlands. Seablite (Suaeda salsa Pall.) is the main vegetation type pioneering temperate coastal wetlands in northeast China, and is generally an understudied wetland type. To evaluate the influence of environmental factors on Reco...
Authors
Xueyang Yu, Siyuan Ye, Linda Olsson, Mengjie Wei, Ken Krauss, Hans Brix
Assessment of polycyclic aromatic hydrocarbon concentrations in southern Lake Powell, Glen Canyon National Recreation Area, Arizona and Utah, 2016–17 Assessment of polycyclic aromatic hydrocarbon concentrations in southern Lake Powell, Glen Canyon National Recreation Area, Arizona and Utah, 2016–17
Polycyclic aromatic hydrocarbon contamination related to boat use is one of the most important water-quality issues affecting Lake Powell. High concentrations of polycyclic aromatic hydrocarbons in water are common around marinas and other areas with extensive motorboat activity because of releases of uncombusted or partially combusted oil and gasoline from boat engines. The fate of...
Authors
Alissa L. Coes, Nicholas V. Paretti, David A. Alvarez, Jamie P. Macy
FLUXNET-CH4 synthesis activity: Objectives, observations, and future directions FLUXNET-CH4 synthesis activity: Objectives, observations, and future directions
This paper describes the formation of, and initial results for, a new FLUXNET coordination network for ecosystem-scale methane (CH4) measurements at 60 sites globally, organized by the Global Carbon Project in partnership with other initiatives and regional flux tower networks. The objectives of the effort are presented along with an overview of the coverage of eddy covariance (EC) CH4...
Authors
Sara H. Knox, Robert B. Jackson, Benjamin Poulter, Gavin McNicol, Etienne Fluet-Chouinard, Zhen Zhang, Gustaf Hugelius, Philippe Bousquet, Josep G Canadell, Marielle Saunois, Dario Papale, Housen Chu, Trevor F. Keenan, Dennis Baldocchi, Margaret S. Torn, Ivan Mammarella, Carlo Trotta, Mika Aurela, Gil Bohrer, David I. Campbell, Alessandro Cescatti, Samuel D. Chamberlain, Jiquan Chen, Weinan Chen, Sigrid Dengel, Ankur R. Desai, Eugenie S. Euskirchen, Thomas Friborg, Daniele Gasbarra, Ignacio Goded, Mathias Goeckede, Martin Heimann, Manuel Helbig, Takashi Hirano, David Y. Hollinger, Hiroki Iwata, Minseok Kang, Janina Klatt, Ken Krauss, Lars Kutzbach, Annalea Lohila, Bhaskar Mitra, Timothy H Morin, Mats B. Nilsson, Shuli Niu, Asko Noormets, Walter C. Oechel, Matthias Peichl, Olli Peltola, Michele L. Reba, Andrew D. Richardson, Benjamin R. K. Runkle, Youngryel Ryu, Torsten Sachs, Karina V R Schafer, Hans Peter Schmid, Narasinha Shurpali, Oliver Sonnentag, Angela C I Tang, Masahito Ueyama, Rodrigo Vargas, Timo Vesala, Eric Ward, Lisamarie Windham-Myers, Georg Wohlfahrt, Donatella Zona
Northern forest winters have lost cold, snowy conditions that are important for ecosystems and human communities Northern forest winters have lost cold, snowy conditions that are important for ecosystems and human communities
Winter is an understudied but key period for the socio-ecological systems of northeastern North American forests. A growing awareness of the importance of the winter season to forest ecosystems and surrounding communities has inspired several decades of research, both across the northern forest and at other mid- and high-latitude ecosystems around the globe. Despite these efforts, we...
Authors
Alexandra R Contosta, Nora J. Casson, Sarah Garlick, Sarah J. Nelson, Matthew P Ayers, Elizabet A Buralkowski, John Campbell, Irean Creed, Catharine Eimers, Celia Evans, Ivan Fernandez, Collin Fuss, Thomas G. Huntington, Kaizad Pate, Rebecca Sanders-DeMott, Kyongo Son, Pamela H. Templer, Darren Thornbrugh
Triangle area water supply monitoring project, North Carolina-Summary of monitoring activities, quality assurance, and data, October 2015–September 2017 Triangle area water supply monitoring project, North Carolina-Summary of monitoring activities, quality assurance, and data, October 2015–September 2017
Surface-water supplies are important sources of drinking water for residents in the Triangle area of North Carolina, which is located within the upper Cape Fear and Neuse River Basins. Since 1988, the U.S. Geological Survey and a consortium of local governments have tracked water-quality conditions and trends in several of the area’s water-supply lakes and streams. This report summarizes...
Authors
Cassandra A. Pfeifle, Jessica L. Cain, Ryan B. Rasmussen
Environmental DNA assays for invasive populations of the Black Carp, Mylopharyngodon piceus, in North America Environmental DNA assays for invasive populations of the Black Carp, Mylopharyngodon piceus, in North America
The Black Carp, Mylopharyngodon piceus, is an increasingly widespread invasive species in North America that threatens freshwater mussel populations. We developed four qPCR assays for detecting environmental DNA (eDNA) from these Black Carp populations. Assays were designed to target four mitochondrial DNA loci and were based on 34 complete mitochondrial genome sequences, including 29...
Authors
Xin Guan, E.M. Monroe, K.D. Bockrath, Erica L. Mize, C.B. Rees, Denise L. Lindsay, Kelly L. Baerwaldt, Leo Nico, Richard F. Lance
First examination of diet items consumed by wild-caught black carp (Mylopharyngodon piceus) in the U.S. First examination of diet items consumed by wild-caught black carp (Mylopharyngodon piceus) in the U.S.
Black carp (Mylopharyngodon piceus) were imported to the U.S. in the 1970s to control snails in aquaculture ponds and have since escaped from captivity. The increase in captures of wild fish has raised concerns of risk to native and imperiled unionid mussels given previous literature classified this species a molluscivore. We acquired black carp from commercial fishers and biologists...
Authors
Barry C. Poulton, Patrick Kroboth, George Aiken, Duane Chapman, J. Bailey, Stephen E. McMurray, John S. Faiman
Predictive analysis using chemical-gene interaction networks consistent with observed endocrine activity and mutagenicity of U.S. streams Predictive analysis using chemical-gene interaction networks consistent with observed endocrine activity and mutagenicity of U.S. streams
In a recent U.S. Geological Survey/U.S. Environmental Protection Agency study assessing >700 organic compounds in 38 streams, in vitro assays indicated generally low estrogen, androgen, and glucocorticoid receptor activities, but identified 13 surface waters with 17β estradiol equivalent (E2Eq) activities greater than the 1 ng/L level of concern for feminization of male fish. Among the...
Authors
Jason P. Berninger, David M. DeMarini, Sarah H. Warren, Jane Ellen Simmons, Vickie S. Wilson, Justin M. Conley, Mikayla D. Armstrong, Dana W. Kolpin, Kathryn Kuivila, Timothy J. Reilly, Kristin M. Romanok, Daniel L. Villeneuve, Paul M. Bradley, Luke R. Iwanowicz
By
Ecosystems Mission Area, Water Resources Mission Area, Contaminant Biology, Environmental Health Program, Toxic Substances Hydrology, Columbia Environmental Research Center, Eastern Ecological Science Center, New Jersey Water Science Center, Pennsylvania Water Science Center, South Atlantic Water Science Center (SAWSC)
Integrative taxonomy reveals a new species of freshwater mussel, Potamilus streckersoni sp. nov. (Bivalvia: Unionidae): Implications for conservation and management Integrative taxonomy reveals a new species of freshwater mussel, Potamilus streckersoni sp. nov. (Bivalvia: Unionidae): Implications for conservation and management
Inaccurate systematics confound our ability to determine evolutionary processes that have led to the diversification of many taxa. The North American freshwater mussel tribe Lampsilini is one of the better-studied groups in Unionidae, however, many supraspecific relationships between lampsiline genera remain unresolved. Two genera previously hypothesized to be non-monophyletic that have...
Authors
Chase H. Smith, Nathan Johnson, Kentaro Inoue, Robert Doyle, Charles R. Randklev
Cell-Based metabolomics for untargeted screening and prioritization of vertebrate-active stressors in streams across the United States Cell-Based metabolomics for untargeted screening and prioritization of vertebrate-active stressors in streams across the United States
The U.S. Geological Survey and the U.S. Environmental Protection Agency have assessed contaminants in 38 streams across the U.S., using an extensive suite of target-chemical analysis methods along with a variety of biological effects tools. Here we report zebrafish liver (ZFL) cell-culture based NMR metabolomic analysis of these split stream samples. We used this untargeted approach to...
Authors
Timothy W. Collette, Drew R. Ekman, Huajun Zhen, Ha Nguyen, Paul Bradley, Quincy Teng
A comprehensive approach uncovers hidden diversity in freshwater mussels (Bivalvia: Unionidae) with the description of a novel species A comprehensive approach uncovers hidden diversity in freshwater mussels (Bivalvia: Unionidae) with the description of a novel species
Major geological processes have shaped biogeographical patterns of riverine biota. The Edwards Plateau of central Texas, USA, exhibits unique aquatic communities and endemism, including several species of freshwater mussels. Lampsilis bracteata (Gould, 1855) is endemic to the Edwards Plateau region; however, its phylogenetic relationship with other species in the Gulf coastal rivers and
Authors
Kentaro Inoue, John L. Harris, Clint Robertson, Nathan Johnson, Charles R. Randklev