Publications
These publications showcase the significant science conducted in our Science Centers.
Filter Total Items: 16780
Modeling watershed-scale impacts of stormwater management with traditional versus low impact development design
Stormwater runoff and associated pollutants from urban areas in the greater Chesapeake Bay Watershed (CBW) impair local streams and downstream ecosystems, despite urbanized land comprising only 7% of the CBW area. More recently, stormwater best management practices (BMPs) have been implemented in a low impact development (LID) manner to treat stormwater runoff closer to its source. This approach i
Authors
Stephanie A. Sparkman, Dianna M. Hogan, Kristina G. Hopkins, J. V. Loperfido
A transect through Vermont’s most famous volcano – Mount Ascutney: GSNH Summer 2017 Field Trip
No abstract available.
Authors
Gregory J. Walsh
The pathogenesis of clade 2.3.4.4 H5 highly pathogenic avian influenza viruses in Ruddy Duck (Oxyura jamaicensis) and Lesser Scaup (Aythya affinis)
Waterfowl are the natural hosts of avian influenza virus (AIV) and disseminate the virus worldwide through migration. Historically, surveillance and research efforts for AIV in waterfowl have focused on dabbling ducks. The role of diving ducks in AIV ecology has not been well characterized. In this study, we examined the relative susceptibility and pathogenicity of clade 2.3.4.4 H5 highly pathogen
Authors
Erica Spackman, Diann J. Prosser, Mary J. Pantin-Jackwood, Alicia Berlin, Christopher B. Stephens
Anura—Frogs
No abstract available.
Authors
Darrel R. Frost, Emily Moriarty Lemmon, Roy W. McDiarmid, Joseph R. Mendelson III
New insight into the origin of manganese oxide ore deposits in the Appalachian Valley and Ridge of northeastern Tennessee and northern Virginia, USA
Manganese oxide deposits have long been observed in association with carbonates within the Appalachian Mountains, but their origin has remained enigmatic for well over a century. Ore deposits of Mn oxides from several productive sites located in eastern Tennessee and northern Virginia display morphologies that include botryoidal and branching forms, massive nodules, breccia matrix cements, and fra
Authors
Sarah K. Carmichael, Daniel H. Doctor, Crystal G. Wilson, Joshua Feierstein, Ryan J. McAleer
Hypogene caves of the central Appalachian Shenandoah Valley in Virginia
Several caves in the Shenandoah Valley in Virginia show evidence for early hypogenic conduit development with later-enhanced solution under partly confined phreatic conditions guided by geologic structures. Many (but not all) of these caves have been subsequently invaded by surface waters as a result of erosion and exhumation. Those not so affected are relict phreatic caves, bearing no relation to
Authors
Daniel H. Doctor, Wil Orndorff
States and rates: Complementary approaches to developing flow‐ecology relationships
In recognition of the influence of flow on riverine habitats and organisms, stream ecologists have devoted considerable effort to the development of quantitative predictive relationships describing ecological responses to flow variability, i.e. flow‐ecology relationships.Methods used to generate flow‐ecology relationships can be thought of as a continuum bookended by pure states approaches on one
Authors
Kit Wheeler, Seth J. Wenger, Mary Freeman
Local adaptation in Trinidadian guppies alters stream ecosystem structure at landscape scales despite high environmental variability
While previous studies have shown that evolutionary divergence alters ecological processes in small-scale experiments, a major challenge is to assess whether such evolutionary effects are important in natural ecosystems at larger spatial scales. At the landscape scale, across eight streams in the Caroni drainage, we found that the presence of locally adapted populations of guppies (Poecilia reticu
Authors
Troy N. Simon, Ronald D. Bassar, Andrew J. Binderup, Alex S. Flecker, Mary Freeman, James F. Gill, Michael C. Marshall, Steve A. Thomas, Joseph Travis, David N. Reznick, Catherine M. Pringle
Camera traps reveal an apparent mutualism between a common mesocarnivore and an endangered ungulate
Camera traps are commonly used to study mammal ecology and they occasionally capture previously undocumented species interactions. The key deer (Odocoileus virginianus clavium) is an endangered endemic subspecies of the Florida Keys, where it exists with few predators. We obtained a camera trap sequence of 80 photos in which a key deer interacted with two northern raccoons (Procyon lotor). One of
Authors
Michael V. Cove, Andrew S. Maurer, Allan F. O'Connell
Organic petrology and micro-spectroscopy of Tasmanites microfossils: Applications to kerogen transformations in the early oil window
The transformation of kerogen to hydrocarbons in the early stages of oil generation is critical for understanding the resource potential of liquid-rich shale plays. Organic petrology commonly is used for visual evaluation of type, quality, and thermal maturity of organic matter, but the relationship of visual petrographic changes to chemical transformations is not well characterized. To improve un
Authors
Paul C. Hackley, Clifford C. Walters, S.R. Kelemen, Maria Mastalerz, Heather A. Lowers
Assessment of critical minerals: Updated application of an early-warning screening methodology
Increasing reliance on non-renewable mineral resources reinforces the need for identifying potential supply constraints before they occur. The US National Science and Technology Council recently released a report that outlines a methodology for screening potentially critical minerals based on three indicators: supply risk (R), production growth (G), and market dynamics (M). This early-warning scre
Authors
Erin A. McCullough, Nedal Nassar