Publications
Publications from USGS science centers throughout the Southeast Region.
Filter Total Items: 9969
Regional protocol framework for the inventory and monitoring of breeding Atlantic Coast Piping Plovers
This regional protocol provides a framework for quantifying the number of breeding pairs and productivity of Atlantic Coast piping plover (Charadrius melodus) populations during the breeding season. A primary purpose of this protocol is to standardize piping plover monitoring during the breeding season. The survey techniques described herein involve repeated visual counts of adults, nests, eggs, a
Authors
Erin King, Rachel A. Katz, Kate E. Iaquinto, Kevin J. Suir, M.J. Baldwin, A. Hecht
Bisphenol A and 17 alpha-ethinylestradiol-induced transgenerational differences in expression of osmoregulatory genes in the gill of medaka (Oryzias latipes)
Embryonic bisphenol A (BPA) and 17α-ethinylestradiol (EE2) exposure can have far reaching health effects in fish, including adult onset transgenerational reproductive abnormalities, anxiety, and cardiac disorders. It is unknown whether these two environmental estrogens can induce transgenerational abnormalities in the gill. The present study examined transgenerational effects of BPA or EE2 exposur
Authors
Xuegeng Wang, Diamond Hill, Donald E. Tillitt, Ramji K. Bhandari
Quantifying hydrologic alteration in an area lacking current reference conditions—The Mississippi Alluvial Plain of the South-Central U.S.
To better understand the effects of hydrologic alteration as they relate to human and biological needs within the Mississippi Alluvial Plain of the south-central United States, the quantification of hydrologic alteration is required. Quantifying hydrologic alteration in the Mississippi Alluvial Plain is particularly difficult because of the lack of current reference, or even relatively undisturbed
Authors
Rheannon M. Hart, Brian Breaker
Potential sea level rise for the Chitimacha Tribe of Louisiana
Situated in the Mississippi Alluvial Plain of the Gulf Coast Prairie Landscape Conservation Cooperative (GCP LCC), the Chitimacha Tribe is one of four federally recognized tribes in Louisiana. The Tribal seat, trust lands/ reservation, and adjacent Tribal owned lands are located near Charenton, Louisiana, totaling nearly 1,000 acres. The Chitimacha, with a population of approximately 1,400 people,
Authors
Kathryn A. Spear, William Jones, Kereen Griffith, Blair E. Tirpak, Kimberly Walden
Restoration affects sexual reproductive capacity in a salt marsh
Plant sexual reproduction is an important driver of plant community maintenance, dispersal, and recovery from disturbance. Despite this, sexual reproduction in habitats dominated by clonally spreading perennial species, such as salt marshes, is often ignored. Communities dominated by long-lived perennial species can still depend on sexual reproduction for recolonizing large disturbed patches or fo
Authors
Scott F. Jones, Erik S. Yando, Camille Stagg, Courtney T. Hall, Mark W. Hester
Microbial associations of four species of algal symbiont-bearing Foraminifers from the Florida Reef Tract, USA
While microbiome research is a rapidly expanding field of study, relatively little is known of the microbiomes associated with Foraminifera. This preliminary study investigated microbes associated with four species of Foraminifera, representing two taxonomic orders, which host three kinds of algal endosymbionts. A major objective was to explore potential influences on the microbiome composition, i
Authors
Makenna M. Martin, Christina A. Kellogg, Pamela Hallock
Pallid sturgeon basin-wide contaminants assessment
Pallid sturgeon (Scaphirhynchus albus), listed as endangered in 1990 under the federal Endangered Species Act (United States Fish and Wildlife Service (USFWS), 1990), have declined due to habitat loss, commercial fishing, and hybridization. Pollution in the Missouri and Mississippi Rivers has to-date only received minor attention as a factor in the on-going decline of wild pallid sturgeon populati
Authors
Molly A. H. Webb, Diana Papoulias, David Rouse, Steve Alexander, Mandy L. Annis, Michael Coffey, Kevin Johnson, Aleshia Kenney, Mike McKee, Lourdes Mena, Karen Nelson, Matt Schwarz
Observations of mixing and transport on a steep beach
Surfzone mixing and transport on a sandy, steep (∼1/8 slope), reflective beach at Carmel River State Beach, California, are described for a range of wave and alongshore flow conditions. Depth-limited wave breaking occurred close to the shore due to the steepness of the beach, creating a narrow surf/swash zone (∼10 m wide). Fluorescent Rhodamine dye was released as a slug in the surfzone, and the t
Authors
Jenna A. Brown, Jamie H. MacMahan, Ad J. H. M. Reniers, Ed B. Thornton, Alan L. Shanks, Steven G. Morgan, Edie L. Gallagher
Lotic freshwater: Rivers
Ecosystems associated with rivers are intricately connected to their entire watershed. The river ecosystem includes the channel of active water flow, floodplain, and riparian and hyporheic zones. This ecosystem is shaped by interactions among the natural flow of water, sediments within the river and entering the river, and large wood regimes within the riparian zone. River integrity describes the
Authors
Ellen Wohl, R. O. Hall, David Walters
Biological effects of elevated major ions in surface water contaminated by a produced water from oil production
Produced water (PW) from oil and gas extraction processes has been shown to contain elevated concentrations of major ions. The objective of this study was to determine the potential effects of elevated major ions in PW-contaminated surface water on a fish (fathead minnow, Pimephales promelas) and a unionid mussel (fatmucket, Lampsilis siliquoidea) in short-term (7-day) exposures. The test organism
Authors
Ning Wang, James L. Kunz, Danielle M. Cleveland, Jeffery Steevens, Isabelle M. Cozzarelli
Improving eDNA yield and inhibitor reduction through increased water volumes and multi-filter isolation techniques
To inform management and conservation decisions, environmental DNA (eDNA) methods are used to detect genetic material shed into the water by imperiled and invasive species. Methodological enhancements are needed to reduce filter clogging, PCR inhibition, and false-negative detections when eDNA is at low concentrations. In the first of three simple experiments, we sought to ameliorate filter cloggi
Authors
Margaret Hunter, Jason Ferrante, Gaia Meigs-Friend, Amelia Ulmer
Tampa Bay Ocean and Coastal Acidification Monitoring Quality Assurance Project Plan
Coastal acidification caused by eutrophication, freshwater inflow, and upwelling is already affecting many estuaries worldwide and can be exacerbated by ocean acidification that is caused by increasing carbon dioxide in the atmosphere. Effective management, mitigation, and (or) adaptation to the effects of coastal and ocean acidification require careful monitoring of the resulting changes in seawa
Authors
Kimberly K. Yates, Christopher S. Moore, Nathan H. Goldstein, Edward T. Sherwood