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Rediscovery and genetic confirmation of the Threeridge Mussel, Amblema plicata (Say, 1817) (Bivalvia, Unionidae), in the Choctawhatchee River, Florida, USA Rediscovery and genetic confirmation of the Threeridge Mussel, Amblema plicata (Say, 1817) (Bivalvia, Unionidae), in the Choctawhatchee River, Florida, USA
Recent freshwater mussel research has resulted in rediscovery of several species presumed extinct. We report the rediscovery of Amblema plicata (Say, 1817) in 2019 from the Choctawhatchee River, Florida, USA. Amblema plicata has not been reported in the Choctawhatchee river basin since 1958, more than 61 years ago. This species was collected during the long-term monitoring of freshwater...
Authors
Lauren N. Patterson, Susan R. Geda, Nathan A. Johnson
Identifying chemicals and mixtures of potential biological concern detected in passive samplers from Great Lakes tributaries using high-throughput data and biological pathways Identifying chemicals and mixtures of potential biological concern detected in passive samplers from Great Lakes tributaries using high-throughput data and biological pathways
Waterborne contaminants were monitored in 69 tributaries of the Laurentian Great Lakes in 2010 and 2014 using semipermeable membrane devices (SPMDs) and polar organic chemical integrative samplers (POCIS). A risk-based screening approach was used to prioritize chemicals and chemical mixtures, identify sites at greatest risk for biological impacts, and identify potential hazards to...
Authors
David A. Alvarez, Steven R. Corsi, Laura A. DeCicco, Daniel L. Villeneuve, Austin K. Baldwin
A socio-ecological imperative for broadening participation in coastal and estuarine research and management A socio-ecological imperative for broadening participation in coastal and estuarine research and management
For most of the scientific disciplines associated with coastal and estuarine research, workforce representation does not match the demographics of communities we serve, especially for Black, Hispanic or Latino, and Indigenous peoples. This essay provides an overview of this inequity and identifies how a scientific society can catalyze representational, structural, and interactional...
Authors
Lora A. Harris, Treda Grayson, Hilary A. Neckles, Christopher T Emrich, Kristy A Lewis, Kristin W. Grimes, Shanna Williamson, Corey Garza, Christine R Whitcraft, Jennifer Beseres Pollack, Drew M Talley, Benjamin Fertig, Cindy M Palinkas, Susan Park, Jamie Vaudrey, Allison M Fitzgerald, Johnny Quispe
Pilot-scale expanded assessment of inorganic and organic tapwater exposures and predicted effects in Puerto Rico, USA Pilot-scale expanded assessment of inorganic and organic tapwater exposures and predicted effects in Puerto Rico, USA
A pilot-scale expanded target assessment of mixtures of inorganic and organic contaminants in point-of-consumption drinking water (tapwater, TW) was conducted in Puerto Rico (PR) to continue to inform TW exposures and corresponding estimations of cumulative human-health risks across the US. In August 2018, a spatial synoptic pilot assessment of than 524 organic, 37 inorganic, and select
Authors
Paul M. Bradley, Ingrid Y. Padilla, Kristin M. Romanok, Kelly Smalling, Michael J. Focazio, Sara E. Breitmeyer, Mary C. Cardon, Justin M. Conley, Nicola Evans, Carrie E. Givens, James L. Gray, L. Earl Gray, Phillip C. Hartig, Michelle L. Hladik, Christopher P. Higgins, Luke R. Iwanowicz, Rachael F. Lane, Keith A. Loftin, R. Blaine McCleskey, Carrie A. McDonough, Elizabeth Medlock-Kakaley, Shannon M. Meppelink, Christopher P. Weis, Vickie S. Wilson
Molluscan aminostratigraphy of the US Mid-Atlantic Quaternary coastal system: Implications for onshore-offshore correlation, paleochannel and barrier island evolution, and local late Quaternary sea-level history Molluscan aminostratigraphy of the US Mid-Atlantic Quaternary coastal system: Implications for onshore-offshore correlation, paleochannel and barrier island evolution, and local late Quaternary sea-level history
The Quaternary record of the US Mid-Atlantic coastal system includes onshore emergent late Pleistocene shoreline deposits, offshore inner shelf and barrier island units, and paleovalleys formed during multiple glacial stage sea-level lowstands. The geochronology of this coastal system is based on uranium series, radiocarbon, amino acid racemization (AAR), and optically stimulated...
Authors
John Wehmiller, Laura L. Brothers, Kelvin Ramsey, David S. Foster, C.R. Mattheus, Christopher Hein, Justin L. Shawler
Quantifying eruptive and background seismicity, deformation, degassing, and thermal emissions at volcanoes in the United States during 1978–2020 Quantifying eruptive and background seismicity, deformation, degassing, and thermal emissions at volcanoes in the United States during 1978–2020
An important aspect of volcanic hazard assessment is determination of the level and character of background activity at a volcano so that deviations from background (called unrest) can be identified. Here, we compile the instrumentally recorded eruptive and noneruptive activity for 161 US volcanoes between 1978 and 2020. We combine monitoring data from four techniques: seismicity, ground
Authors
Kevin Reath, Matthew Pritchard, Diana C. Roman, Taryn Lopez, Simon A Carn, Tobias P. Fischer, Zhong Lu, Michael Poland, R. Greg Vaughan, Rick Wessels, L. L. Wike, H. K. Tran
Northern Madtom use of artificial reefs in the St. Clair–Detroit River System Northern Madtom use of artificial reefs in the St. Clair–Detroit River System
The St. Clair and Detroit rivers historically supported abundant fish populations. However, like many river systems, these rivers have been greatly altered through the creation of navigation channels and other anthropogenic disturbances, resulting in the loss of fish and wildlife habitat and declines in native fish populations. To ameliorate this environmental degradation, artificial...
Authors
Jennifer Johnson, Justin A. Chiotti, Andrew S Briggs, James C. Boase, Jan-Michael Hessenauer, Edward F. Roseman
Aeolian sediments in paleowetland deposits of the Las Vegas Formation Aeolian sediments in paleowetland deposits of the Las Vegas Formation
The Las Vegas Formation (LVF) is a well-characterized sequence of groundwater discharge (GWD) deposits exposed in and around the Las Vegas Valley in southern Nevada. Nearly monolithologic bedrock surrounds the valley, which provides an excellent opportunity to test the hypothesis that GWD deposits include an aeolian component. Mineralogical data indicate that the LVF sediments are...
Authors
Harland L. Goldstein, Kathleen B. Springer, Jeffrey S. Pigati, Marith C. Reheis, Gary L. Skipp
Coral reef resilience differs among islands within the Gulf of Mannar, southeast India, following successive coral bleaching events Coral reef resilience differs among islands within the Gulf of Mannar, southeast India, following successive coral bleaching events
We used a 12-yr data set of benthic cover (2005–2017), spanning two bleaching events, to assess changes in benthic cover and coral community composition along 21 islands within Gulf of Mannar (GoM), southeast India. Overall, between 2005 and 2017 reefs had a simultaneous decrease in relative coral cover (avg. = − 36%) and increase in algal cover (avg. = + 45%). Changes in benthic cover...
Authors
K Diraviya Raj, Greta S. Aeby, G.M. Mathews, Gareth J Williams, Jamie M. Caldwell, R L Laju, M Selva Bharath, P Dinesh Kumar, A Arasamuthu, N Gladwin Gnana Asir, Lisa M. Wedding, Andrew Daview, Monica Mei Jeen Moritsch, J K Patterson Edward
Quantifying slopes as a driver of forest to marsh conversion using geospatial techniques: Application to Chesapeake Bay coastal-plain, USA Quantifying slopes as a driver of forest to marsh conversion using geospatial techniques: Application to Chesapeake Bay coastal-plain, USA
Coastal salt marshes, which provide valuable ecosystem services such as flood mitigation and carbon sequestration, are threatened by rising sea level. In response, these ecosystems migrate landward, converting available upland into salt marsh. In the coastal-plain surrounding Chesapeake Bay, United States, conversion of coastal forest to salt marsh is well-documented and may offset salt...
Authors
Grace Damore Molino, Zafer Defne, Alfredo Aretxabaleta, Neil K. Ganju, Joel A. Carr
Monitoring long-term riparian vegetation trends to inform local habitat management in a mountainous environment Monitoring long-term riparian vegetation trends to inform local habitat management in a mountainous environment
Riparian ecosystems provide critical habitat for many species, yet assessment of vegetation condition at local scales is difficult to measure when considering large areas over long time periods. We present a framework to map and monitor two deciduous cover types, upland and riparian, occupying a small fraction of an expansive, mountainous landscape in north-central Wyoming. Initially, we...
Authors
Timothy J. Assal, Valerie A. Steen, Todd Caltrider, Travis Cundy, Cheyenne Stewart, Nicholas Manning, Patrick J. Anderson
The importance of wilderness to wolf (Canis lupus) survival and cause-specific mortality over 50 years The importance of wilderness to wolf (Canis lupus) survival and cause-specific mortality over 50 years
We assessed the relative importance of wilderness to gray wolf (Canis lupus) population dynamics over 50 years in a population that 1) was long extant (i.e., not reintroduced or recolonized), 2) was not subject to harvest in our study area until recently, and 3) used both wilderness and adjacent, mainly public, non-wilderness. We analyzed the survival of radiocollared wolves (n = 756...
Authors
Shannon Barber-Meyer, Tyler Wheeldon, L. David Mech