Emulating natural disturbances for declining late-successional species: A case study of the consequences for Cerulean Warblers (Setophaga cerulea)
Than J. Boves, David A. Buehler, James Sheehan, Petra Bohall Wood, Amanda D. Rodewald, Jeffrey L. Larkin, Patrick D. Keyser, Felicity L. Newell, Gregory A. George, Marja H. Bakermans, Andrea Evans, Tiffany A. Beachy, Molly E. McDermott, Kelly A. Perkins, Matthew White, T. Bently Wigley
2013, PLoS ONE (8) 1-13
Forest cover in the eastern United States has increased over the past century and while some late-successional species have benefited from this process as expected, others have experienced population declines. These declines may be in part related to contemporary reductions in small-scale forest interior disturbances such as fire, windthrow, and...
Performance of human fecal anaerobe-associated PCR-based assays in a multi-laboratory method evaluation study
Blythe A. Layton, Yiping Cao, Darcy L. Ebentier, Kaitlyn Hanley, Elisenda Balleste, Joao Brandao, Muruleedhara N. Byappanahalli, Reagan Converse, Andreas H. Farnleitner, Jennifer Gidley Gentry-Shields Gidley, Maribeth L., Michele Gourmelon, Chang Soo Lee, Jiyoung Lee, Solen Lozach, Tania Madi, Wim G. Meijer, Rachel Noble, Lindsay Peed, Georg H. Reischer, Raquel Rodrigues, Joan B. Rose, Alexander Schriewer, Chris Sinigalliano, Sangeetha Srinivasan, Jill Stewart, Van De Werfhorst, C. Laurie, Dan Wang, Richard Whitman, Stefan Wuertz, Jenny Jay, Patricia A. Holden, Alexandria B. Boehm, Orin Shanks, John F. Griffith
2013, Water Research (47) 6897-6908
A number of PCR-based methods for detecting human fecal material in environmental waters have been developed over the past decade, but these methods have rarely received independent comparative testing in large multi-laboratory studies. Here, we evaluated ten of these methods (BacH, BacHum-UCD, Bacteroides thetaiotaomicron (BtH), BsteriF1, gyrB, HF183 endpoint, HF183...
Catchment-scale stormwater management via economic incentives – An overview and lessons-learned
W. Schuster, A.S. Garmestani, O.O. Green, l.K. Rhea, Allison H. Roy, H.W. Thurston
Baden Robert Myers, Simon Beecham, Terry Lucke, Floris Boogaard, editor(s)
2013, Conference Paper, Novatech 2013: international conference on strategies and solutions for integrated and sustainable water management in the city Lyon, France
Long-term field studies of the effectiveness and sustainability of decentralized stormwater management are rare. From 2005-2011, we tested an incentive-based approach to citizen participation in stormwater management in the Shepherd Creek catchment, located in Cincinnati, OH, USA. Hydrologic, biological, and water quality data were characterized in a baseline monitoring effort...
Petrogenesis of Mount Rainier andesite: Magma flux and geologic controls on the contrasting differentiation styles at stratovolcanoes of the southern Washington Cascades
Thomas W. Sisson, V. J. M. Salters, P.B. Larson
2013, Geological Society of America Bulletin (126) 122-144
Quaternary Mount Rainier (Washington, USA) of the Cascades magmatic arc consists of porphyritic calc-alkaline andesites and subordinate dacites, with common evidence for mingling and mixing with less evolved magmas encompassing andesites, basaltic andesites, and rarely, basalts. Basaltic andesites and amphibole andesites (spessartites) that erupted from vents at the north foot...
Sampling design for long-term regional trends in marine rocky intertidal communities
Gail V. Irvine, Alice Shelley
2013, Environmental Monitoring and Assessment (185) 6963-6987
Probability-based designs reduce bias and allow inference of results to the pool of sites from which they were chosen. We developed and tested probability-based designs for monitoring marine rocky intertidal assemblages at Glacier Bay National Park and Preserve (GLBA), Alaska. A multilevel design was used that varied in scale and...
Effect of ultramafic intrusions and associated mineralized rocks on the aqueous geochemistry of the Tangle Lakes Area, Alaska
Bronwen Wang, Larry P. Gough, Richard B. Wanty, Gregory K. Lee, James Vohden, J. Michael O’Neill, L. Jack Kerin
2013, Professional Paper 1795-C
Stream water was collected at 30 sites within the Tangle Lakes area of the Delta mineral belt in Alaska. Sampling focused on streams near the ultramafic rocks of the Fish Lake intrusive complex south of Eureka Creek and the Tangle Complex area east of Fourteen Mile Lake, as well as...
Holocene dynamics of the Florida Everglades with respect to climate, dustfall, and tropical storms
Paul H. Glaser, Barbara C. S. Hansen, Joseph J. Donovan, Thomas J. Givnish, Craig A. Stricker, John C. Volin
2013, Proceedings of the National Academy of Sciences (110) 17211-17216
Aeolian dust is rarely considered an important source for nutrients in large peatlands, which generally develop in moist regions far from the major centers of dust production. As a result, past studies assumed that the Everglades provides a classic example of an originally oligotrophic, P-limited wetland that was subsequently degraded...
Bird-vegetation associations in thinned and unthinned young Douglas-fir forests 10 years after thinning
Svetlana Yegorova, Matthew G. Betts, Joan Hagar, Klaus J. Puettmann
2013, Forest Ecology and Management (310) 1057-1070
Quantitative associations between animals and vegetation have long been used as a basis for conservation and management, as well as in formulating predictions about the influence of resource management and climate change on populations. A fundamental assumption embedded in the use of such correlations is that they remain relatively consistent...
Evidence of Hybridization between Common Gartersnakes (Thamnophis sirtalis) and Butler’s Gartersnakes (Thamnophis butleri) in Wisconsin (USA).
Joshua M. Kapfer, Brian L. Sloss, Gregor W. Schuurman, Rori A. Paloski, Jeffrey M. Lorch
2013, Journal of Herpetology (47) 400-405
Snakes within the genus Thamnophis (Gartersnakes and Ribbonsnakes) are often found in sympatry throughout their geographic distributions. Past work has indicated that some sympatric species within this genus may hybridize, but research of this nature is limited. We attempted to determine whether hybridization occurs between two Thamnophis species native to the upper midwestern United...
Bedrock geologic and joint trend map of the Pinardville quadrangle, Hillsborough County, New Hampshire
William C. Burton, Thomas R. Armstrong
2013, Open-File Report 2013-1027
The bedrock geology of the Pinardville quadrangle includes the Massabesic Gneiss Complex, exposed in the core of a regional northeast-trending anticlinorium, and highly deformed metasedimentary rocks of the Rangeley Formation, exposed along the northwest limb of the anticlinorium. Both formations were subjected to high-grade metamorphism and partial melting: the Rangeley...
Geomorphology and groundwater origin of amphitheater-shaped gullies at Fort Gordon, Georgia, 2010-2012
James Landmeyer, John B. Wellborn
2013, Open-File Report 2013-1230
Seven amphitheater-shaped gullies at valley heads in the northern part of Fort Gordon, Georgia, were identified by personnel from Fort Gordon and the U.S. Geological Survey during a field investigation of environmental contamination near the cantonment area between 2008 and 2010. Between 2010 and 2012, the amphitheater-shaped gullies were photographed,...
Groundwater ages and mixing in the Piceance Basin natural gas province, Colorado
Peter B. McMahon, Judith C. Thomas, Andrew G. Hunt
2013, Environmental Science & Technology (47) 13250-13257
Reliably identifying the effects of energy development on groundwater quality can be difficult because baseline assessments of water quality completed before the onset of energy development are rare and because interactions between hydrocarbon reservoirs and aquifers can be complex, involving both natural and human processes. Groundwater age and mixing data...
A Sr-Nd isotopic study of sand-sized sediment provenance and transport for the San Francisco Bay coastal system
Robert J. Rosenbauer, Amy C. Foxgrover, James R. Hein, Peter W. Swarzenski
Patrick L. Barnard, Bruce E. Jaffe, David H. Schoellhamer, editor(s)
2013, Marine Geology (345) 143-153
A diverse suite of geochemical tracers, including 87Sr/86Sr and 143Nd/144Nd isotope ratios, the rare earth elements (REEs), and select trace elements were used to determine sand-sized sediment provenance and transport pathways within the San Francisco Bay coastal system. This study complements a large interdisciplinary effort (Barnard et al., 2012) that...
Qualilty, isotopes, and radiochemistry of water sampled from the Upper Moenkopi Village water-supply wells, Coconino County, Arizona
Rob Carruth, Kimberly Beisner, Greg Smith
2013, Open-File Report 2013-1162
The Hopi Tribe Water Resources Program has granted contracts for studies to evaluate water supply conditions for the Moenkopi villages in Coconino County, Arizona. The Moenkopi villages include Upper Moenkopi Village and the village of Lower Moencopi, both on the Hopi Indian Reservation south of the Navajo community of Tuba...
A new species of Helobdella (Hirudinida: Glossiphoniidae) from Oregon
William E. Moser, Steven V. Fend, Dennis J. Richardson, Charlette I. Hammond, Eric A. Lazo-Wasem, Fredric R. Govedich, Bettina S. Gullo
2013, Zootaxa (3718) 287-294
Helobdella bowermani n. sp. is described from specimens collected in fine sediment of open water benthos of Upper Klamath Lake, Klamath County, Oregon. The new species has pale yellow/buff coloration with scattered chromatophore blotches throughout the dorsal surface, lateral extensions or papillae only on the a2 annulus, dorsal medial row...
Composition and origin of rhyolite melt intersected by drilling in the Krafla geothermal field, Iceland
R.A. Zierenberg, Peter Schiffmant, G.H. Barfod, C.E. Lesher, N.E. Marks, Jacob B. Lowenstern, A.K. Mortensen, E.C. Pope, D.K. Bird, M.H. Reed, G.O. Fridleifsson, W.A. Elders
2013, Contributions to Mineralogy and Petrology (165) 327-347
The Iceland Deep Drilling Project Well 1 was designed as a 4- to 5-km-deep exploration well with the goal of intercepting supercritical hydrothermal fluids in the Krafla geothermal field, Iceland. The well unexpectedly drilled into a high-silica (76.5 % SiO2) rhyolite melt at approximately 2.1 km. Some of the melt...
Ability of matrix models to explain the past and predict the future of plant populations.
Kathryn McEachern, Elizabeth E. Crone, Martha M. Ellis, William F. Morris, Amanda Stanley, Timothy Bell, Paulette Bierzychudek, Johan Ehrlen, Thomas N. Kaye, Tiffany M. Knight, Peter Lesica, Gerard Oostermeijer, Pedro F. Quintana-Ascencio, Tamara Ticktin, Teresa Valverde, Jennifer I. Williams, Daniel F. Doak, Rengaian Ganesan, Andrea S. Thorpe, Eric S. Menges
2013, Conservation Biology (27) 968-978
Uncertainty associated with ecological forecasts has long been recognized, but forecast accuracy is rarely quantified. We evaluated how well data on 82 populations of 20 species of plants spanning 3 continents explained and predicted plant population dynamics. We parameterized stage-based matrix models with demographic data from individually marked plants and...
Distribution of extant populations of Quadrula mitchelli (false spike)
Charles R. Randklev, Eric Tsakiris, Robert G. Howells, Julie Groce, Matthew S. Johnson, Joseph Bergmann, Clint Robertson, Andy Blair, Brad Littrell, Nathan Johnson
2013, Ellipsaria (15) 18-21
The False Spike, Quadrula mitchelli (Simpson 1896), is a rare species of mussel endemic to Central Texas and the Rio Grande drainage (Howells 2010). This species was thought to have been extinct until the discovery of several live individuals in the Guadalupe River and a fresh dead individual in the...
Social-ecological predictors of global invasions and extinctions
Aaron Lotz, Craig R. Allen
2013, Ecology and Society (18)
Most assessments of resilience have been focused on local conditions. Studies focused on the relationship between humanity and environmental degradation are rare, and are rarely comprehensive. We investigated multiple social-ecological factors for 100 countries around the globe in relation to the percentage of invasions and extinctions within each country. These...
Prescribed-fire effects on an aquatic community of a southwest montane grassland system
Colleen A. Caldwell, Gerald Z. Jacobi, Michael C. Anderson, Robert R. Parmenter, Jeanine McGann, William R. Gould, Robert DuBey, M. Donna Jacobi
2013, North American Journal of Fisheries Management (33) 1049-1062
The use of prescription fire has long been recognized as a reliable management tool to suppress vegetative succession processes and to reduce fuel loading to prevent catastrophic wildfires, but very little attention has been paid to the effects on aquatic systems. A late-fall prescribed burn was implemented to characterize effects...
Experimental reintroduction reveals novel life-history variation in Laysan Ducks (Anas laysanensis)
Jeffrey R. Walters, Michelle H. Reynolds
2013, The Auk (130) 573-579
Subfossil remains indicate that the Laysan Duck (Anas laysanensis) formerly occurred throughout the Hawaiian archipelago, but for more than 150 years it has been confined to a single, small atoll in the northwestern chain, Laysan Island. In 2004–2005, 42 ducks were reintroduced from Laysan to Midway Atoll, where they exhibited...
Normalized rare earth elements in water, sediments, and wine: identifying sources and environmental redox conditions
David Z. Piper, Michael Bau
2013, American Journal of Analytical Chemistry (4) 69-83
The concentrations of the rare earth elements (REE) in surface waters and sediments, when normalized on an element-by-element basis to one of several rock standards and plotted versus atomic number, yield curves that reveal their partitioning between different sediment fractions and the sources of those fractions, for example, between terrestrial-derived...
Moderate-magnitude earthquakes induced by magma reservoir inflation at Kīlauea Volcano, Hawai‘i
Christelle Wauthier, Diana C. Roman, Michael P. Poland
2013, Geophysical Research Letters (20) 5366-5370
Although volcano-tectonic (VT) earthquakes often occur in response to magma intrusion, it is rare for them to have magnitudes larger than ~M4. On 24 May 2007, two shallow M4+ earthquakes occurred beneath the upper part of the east rift zone of Kīlauea Volcano, Hawai‘i. An integrated analysis of geodetic, seismic,...
American white pelicans breeding in the northern plains: productivity, behavior, movements, and migration
Marsha A. Sovada, Pamela J. Pietz, Robert O. Woodward, Alisa J. Bartos, Deborah A. Buhl, Michael J. Assenmacher
2013, Scientific Investigations Report 2013-5105
Nearly half of American white pelicans (Pelecanus erythrorhynchos; hereafter pelicans) are believed to nest in several large colonies in the northern plains, yet few studies had been conducted on pelicans in this region until research began in 2004 to investigate the impact of West Nile virus (WNV) on their chicks....
Recent (circa 1998 to 2011) channel-migration rates of selected streams in Indiana
Bret A. Robinson
2013, Scientific Investigations Report 2013-5168
An investigation was completed to document recent (circa 1998 to 2011) channel-migration rates at 970 meander bends along 38 of the largest streams in Indiana. Data collection was completed by using the Google Earth™ platform and, for each selected site, identifying two images with capture dates separated by multiple years....
