Publications
Explore WARC's science publications.
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Community for Data Integration 2014 annual report Community for Data Integration 2014 annual report
The U.S. Geological Survey (USGS) researches Earth science to help address complex issues affecting society and the environment. In 2006, the USGS held the first Scientific Information Management Workshop to bring together staff from across the organization to discuss the data and information management issues affecting the integration and delivery of Earth science research and...
Authors
Madison L. Langseth, Michelle Y. Chang, Jennifer Carlino, Daniella D. Birch, Joshua Bradley, R. Sky Bristol, Craig Conzelmann, Robert H. Diehl, Paul S. Earle, Laura E. Ellison, Anthony L. Everette, Pamela L. Fuller, Janice M. Gordon, David L. Govoni, Michelle R. Guy, Heather S. Henkel, Vivian B. Hutchison, Tim Kern, Frances L. Lightsom, Joseph W. Long, Ryan Longhenry, Todd M. Preston, Stan W. Smith, Roland J. Viger, Katherine E. Wesenberg, Eric C. Wood
Generic reclassification and species boundaries in the rediscovered freshwater mussel ‘Quadrula’ mitchelli (Simpson in Dall, 1896) Generic reclassification and species boundaries in the rediscovered freshwater mussel ‘Quadrula’ mitchelli (Simpson in Dall, 1896)
The Central Texas endemic freshwater mussel, Quadrula mitchelli (Simpson in Dall, 1896), had been presumed extinct until relict populations were recently rediscovered. To help guide ongoing and future conservation efforts focused on Q. mitchelli we set out to resolve several uncertainties regarding its evolutionary history, specifically its unknown generic position and untested species...
Authors
John M. Pfeiffer, Nathan A. Johnson, Charles R. Randklev, Robert G. Howells, James D. Williams
Malaclemys terrapin rhizophorarum (mangrove diamond-backed terrapin) Malaclemys terrapin rhizophorarum (mangrove diamond-backed terrapin)
MALACLEMYS TERRAPIN RHIZOPHORARUM (Mangrove Diamond-backed Terrapin). DIET. Malaclemys terrapin rhizophorarum, one of seven subspecies of M. terrapin, inhabits subtropical mangrove habitats in South Florida, USA. In temperate climates M. terrapin is largely carnivorous, feeding primarily on gastropods, bivalves, and decapod crustaceans (Tucker et. al. 1995. Herpetologica 51:167–181...
Authors
Mathew J. Denton, Kristen M. Hart, Anton Oelinik, Roger Wood, John N. Baldwin
Life stage influences the resistance and resilience of black mangrove forests to winter climate extremes Life stage influences the resistance and resilience of black mangrove forests to winter climate extremes
In subtropical coastal wetlands on multiple continents, climate change-induced reductions in the frequency and intensity of freezing temperatures are expected to lead to the expansion of woody plants (i.e., mangrove forests) at the expense of tidal grasslands (i.e., salt marshes). Since some ecosystem goods and services would be affected by mangrove range expansion, there is a need to...
Authors
Michael J. Osland, Richard H. Day, Andrew S. From, Megan L. McCoy, Jennie L. McLeod, Jeffrey Kelleway
Application of a coupled vegetation competition and groundwater simulation model to study effects of sea level rise and storm surges on coastal vegetation Application of a coupled vegetation competition and groundwater simulation model to study effects of sea level rise and storm surges on coastal vegetation
Global climate change poses challenges to areas such as low-lying coastal zones, where sea level rise (SLR) and storm-surge overwash events can have long-term effects on vegetation and on soil and groundwater salinities, posing risks of habitat loss critical to native species. An early warning system is urgently needed to predict and prepare for the consequences of these climate-related...
Authors
Su Yean Teh, Michael Turtora, Donald L. DeAngelis, Jiang Jiang, Leonard G. Pearlstine, Thomas J. Smith, Hock Lye Koh
Landscape structure affects specialists but not generalists in naturally fragmented grasslands Landscape structure affects specialists but not generalists in naturally fragmented grasslands
Understanding how biotic communities respond to landscape spatial structure is critically important for conservation management as natural landscapes become increasingly fragmented. However, empirical studies of the effects of spatial structure on plant species richness have found inconsistent results, suggesting that more comprehensive approaches are needed. In this study, we asked how...
Authors
Jesse Miller, Ellen Ingman Damschen, Susan P. Harrison, James B. Grace
Field and laboratory guide to freshwater cyanobacteria harmful algal blooms for Native American and Alaska Native communities Field and laboratory guide to freshwater cyanobacteria harmful algal blooms for Native American and Alaska Native communities
Cyanobacteria can produce toxins and form harmful algal blooms. The Native American and Alaska Native communities that are dependent on subsistence fishing have an increased risk of exposure to these cyanotoxins. It is important to recognize the presence of an algal bloom in a waterbody and to distinguish a potentially toxic harmful algal bloom from a non-toxic bloom. This guide provides...
Authors
Barry H. Rosen, Ann E. St. Amand
Bistability of mangrove forests and competition with freshwater plants Bistability of mangrove forests and competition with freshwater plants
Halophytic communities such as mangrove forests and buttonwood hammocks tend to border freshwater plant communities as sharp ecotones. Most studies attribute this purely to underlying physical templates, such as groundwater salinity gradients caused by tidal flux and topography. However, a few recent studies hypothesize that self-reinforcing feedback between vegetation and vadose zone...
Authors
Jiang Jiang, Douglas O Fuller, Su Yean Teh, Lu Zhai, Hock Lye Koh, Donald L. DeAngelis, L.D.S.L. Sternberg
Bayesian data analysis in population ecology: motivations, methods, and benefits Bayesian data analysis in population ecology: motivations, methods, and benefits
During the 20th century ecologists largely relied on the frequentist system of inference for the analysis of their data. However, in the past few decades ecologists have become increasingly interested in the use of Bayesian methods of data analysis. In this article I provide guidance to ecologists who would like to decide whether Bayesian methods can be used to improve their conclusions...
Authors
Robert Dorazio
Does natural variation in diversity affect biotic resistance? Does natural variation in diversity affect biotic resistance?
Notice This publication has been retracted. See the retraction notice.
Authors
Susan Harrison, Howard Cornell, James B. Grace
Demersal fish distribution and habitat use within and near Baltimore and Norfolk Canyons, U.S. Middle Atlantic Slope Demersal fish distribution and habitat use within and near Baltimore and Norfolk Canyons, U.S. Middle Atlantic Slope
Numerous submarine canyons along the United States middle Atlantic continental margin support enhanced productivity, diverse and unique habitats, active fisheries, and are vulnerable to various anthropogenic disturbances. During two cruises (15 Aug–2 Oct 2012 and 30 Apr–27 May 2013), Baltimore and Norfolk canyons and nearby areas (including two cold seeps) were intensively surveyed to...
Authors
Steve W. Ross, Mike Rhode, Andrea M. Quattrini
Defining conservation targets on a landscape-scale Defining conservation targets on a landscape-scale
Conservation planning, the process of deciding how to protect, conserve, enhance and(or) minimize loss of natural and cultural resources, is a fundamental process to achieve conservation success in a time of rapid environmental change. Conservation targets, the measurable expressions of desired resource conditions, are an important tool in biological planning to achieve effective...
Authors
A.M. Benscoter, Stephanie S. Romanach, Laura A. Brandt