GenEst user guide—Software for a generalized estimator of mortality
Juniper Simonis, Daniel Dalthorp, Manuela M. Huso, Jeffrey Mintz, Lisa Madsen, Paul A. Rabie, Jared Studyvin
2018, Techniques and Methods 7-C19
GenEst (Generalized Estimator) is a software tool for estimating the total number of individuals arriving in an area during a specific time period when their detection probability is unknown but estimable. Its development was motivated by the need to accurately estimate the total number of bird and bat fatalities occurring...
Human-associated indicator bacteria and human-specific viruses in surface water: a spatial assessment with implications on fate and transport
Peter L. Lenaker, Steven R. Corsi, Sandra L. McLellan, Mark A. Borchardt, Hayley T. Olds, Deborah K. Dila, Susan K. Spencer, Austin K. Baldwin
2018, Environmental Science & Technology (52) 12162-12171
Hydrologic, seasonal, and spatial variability of sewage contamination was studied at six locations within a watershed upstream from water reclamation facility (WRF) effluent to define relative loadings of sewage from different portions of the watershed. Fecal pollution from human sources was spatially quantified by measuring two human-associated indicator bacteria (HIB)...
GenEst statistical models—A generalized estimator of mortality
Daniel Dalthorp, Lisa Madsen, Manuela M. Huso, Paul A. Rabie, Robert Wolpert, Jared Studyvin, Juniper Simonis, Jeffrey Mintz
2018, Techniques and Methods 7-A2
IntroductionGenEst (a generalized estimator of mortality) is a suite of statistical models and software tools for generalized mortality estimation. It was specifically designed for estimating the number of bird and bat fatalities at solar and wind power facilities, but both the software (Dalthorp and others, 2018) and the underlying...
Nutrient enrichment in wadeable urban streams in the piedmont ecoregion of the southeastern United States
Celeste A. Journey, Peter C. Van Metre, Daniel T. Button, Jimmy M. Clark, Mark D. Munn, Naomi Nakagaki, Sharon L. Qi, Ian R. Waite, Paul M. Bradley
2018, Heliyon (4) 1-24
The U.S. Geological Survey (USGS) Southeastern Stream Quality Assessment (SESQA) collected weekly samples for nitrogen and phosphorus in 76 wadeable streams in the urbanized Piedmont ecoregion of the Southeastern United States, during April–June 2014. Total nitrogen (TN) concentrations in excess of EPA guidelines and statistically greater than at reference locations...
Emerging themes from the ESA symposium entitled “Pollinator nutrition: Lessons from bees at individual to landscape levels”
Vanessa Corby-Harris, Julia H. Bowsher, Morgan Carr-Markell, Mark J. Carroll, Mary Centrella, Steven C. Cook, Margaret Couvillon, Gloria DeGrandi-Hoffman, Adam Dolezal, Julia C. Jones, Christina Mogren, Clint Otto, Pierre Lau, Juliana Rangel, Roger Schurch, Ashley St. Clair
2018, Bee World (96) 3-9
No abstract available....
Bed shear stress estimation under wave conditions using near-bottom measurements: Comparison of methods
Qian Zhang, Zheng Gong, Changkuan Zhang, Jessica R. Lacy, Bruce E. Jaffe, Beibei Xu
2018, Journal of Coastal Research (Special issue 85) 241-245
Understanding the influence of waves on bed shear stress is critical for predicting morphodynamical behaviours in coastal areas. Near-bed flow was measured on the middle and lower intertidal mudflats along the Jiangsu coast, China, using a three-dimensional acoustic velocimeter that collected a 3.5-cm vertical profile at 1mm resolution and sample...
Concentrations of pharmaceuticals and other micropollutants in groundwater downgradient from large on-site wastewater discharges
Sarah M. Elliott, Melinda L. Erickson, Aliesha L. Krall, Byron A. Adams
2018, PLoS ONE
Large subsurface treatment systems (LSTS) and rapid infiltration basins (RIB) are preferred onsite wastewater treatments compared to direct discharge of treated wastewater to streams and adjacent facilities. Discharge of these wastewater treatments may result in contaminant loading to aquifers that also serve as drinking water sources downgradient from...
Descriptive models for epithermal gold-silver deposits
David A. John, Peter G. Vikre, Edward A. du Bray, Richard J. Blakely, David L. Fey, Barnaby W. Rockwell, Jeffrey L. Mauk, Eric D. Anderson, Frederick Graybeal
2018, Scientific Investigations Report 2010-5070-Q
Epithermal gold-silver deposits are vein, stockwork, disseminated, and replacement deposits that are mined primarily for their gold and silver contents; some deposits also contain substantial resources of lead, zinc, copper, and (or) mercury. These deposits form in the uppermost parts of the crust, at depths less than about 1,500 meters...
Application of isoscapes to determine geographic origin of terrestrial wildlife for conservation and management
Hanna B. Vander Zanden, David M. Nelson, Michael B. Wunder, Tara Conkling, Todd E. Katzner
2018, Biological Conservation (228) 268-280
Accounting for migration and connectivity of mobile species across the annual cycle can present challenges for conservation and management efforts. The use of stable isotope approaches to examine the movements and ecology of wildlife has been widespread over the past two decades. Hydrogen stable isotope (δ2H) composition, in particular, has been frequently used to provide insight...
Sulfur cycle in the Valles Caldera volcanic complex, New Mexico – Letter 1: Sulfate sources in aqueous system, and implications for S isotope record in Gale Crater on Mars
Anna Szynkiewicz, Fraser E. Goff, David Vaniman, Michael Pribil
2018, Earth and Planetary Science Letters (506) 540-551
Initial in situ sulfur (S) isotope measurements of the Martian bedrock in Gale Crater have revealed an unexpectedly wide range of δ34S values (−47 to +28%). Generally, it is unclear what processes could have contributed to these large isotope fractionations. Therefore, we studied S sources and aqueous SO2−4 cycling in...
First comprehensive list of non-native species established in three major regions of the United States
Annie Simpson, Meghan C. Eyler
2018, Open-File Report 2018-1156
Invasive species are a subset of non-native (or alien) species, and knowing what species are non-native to a region is a first step to managing invasive species. People have been compiling non-native and invasive species lists ever since these species started causing harm, yet national non-native species lists are neither...
Contribution of hurricane-induced sediment resuspension to coastal oxygen dynamics
Laura Bianucci, Karthik Balaguru, Richard W. Smith, Ruby Leung, Julia M. Moriarty
2018, Scientific Reports (8) 1-10
Hurricanes passing over the ocean can mix the water column down to great depths and resuspend massive volumes of sediments on the continental shelves. Consequently, organic carbon and reduced inorganic compounds associated with these sediments can be resuspended from anaerobic portions of the seabed and re-exposed to dissolved oxygen...
Assessment of potential risks from renewable energy development and other anthropogenic factors to wintering Golden Eagles in the western United States
Erica H. Craig, Mark R. Fuller, Tim H. Craig, Falk Huettmann
Grant Humphries, Dawn Magness, Falk Huettmann, editor(s)
2018, Book chapter, Machine learning for ecology and sustainable natural resource management
Wind and other energy development are expanding rapidly and on an unprecedented scale within the range of the Golden Eagle (Aquila chrysaetos) while other anthropogenic-related changes, wildfires, invasive plants, drought, and climate change are altering or destroying native habitats occupied by Golden Eagles. However, the potential effects of...
Revised groundwater-flow model of the glacial aquifer system north of Aberdeen, South Dakota, through water year 2015
Joshua F. Valder, William G. Eldridge, Kyle W. Davis, Colton J. Medler, Karl R. Koth
2018, Scientific Investigations Report 2018-5137
The city of Aberdeen, in northeastern South Dakota, requires an expanded and sustainable supply of water to meet current and future demands. Conceptual and numerical models of the glacial aquifer system in the area north of Aberdeen were developed by the U.S. Geological Survey in cooperation with the City of...
Geologic map of the San Antonio Mountain area, northern New Mexico and southern Colorado
Kenzie J. Turner, Ren A. Thompson, Michael A. Cosca, Ralph R. Shroba, Christine F. Chan, Leah E. Morgan
2018, Scientific Investigations Map 3417
The geologic map of the San Antonio Mountain area in northern New Mexico and southern Colorado is located along the west-central part of the San Luis Valley. The San Luis Valley is the geomorphic expression of the San Luis Basin, an extensional basin associated with the northern Rio Grande rift....
Assessment of coalbed gas resources in the Kutei and Barito Basin Provinces, Indonesia, 2018
Christopher J. Schenk, Tracey J. Mercier, Phuong A. Le, Marilyn E. Tennyson, Thomas M. Finn, Michael E. Brownfield, Kristen R. Marra, Stephanie B. Gaswirth, Heidi M. Leathers-Miller, Janet K. Pitman, Ronald M. Drake II
2018, Fact Sheet 2018-3055
Using a geology-based assessment methodology, the U.S. Geological Survey estimated undiscovered, technically recoverable mean resources of 10.7 trillion cubic feet of potential coalbed gas resources in the Kutei and Barito Basin Provinces of Indonesia....
Analysis of different sensor performances in impervious surface mapping
George Z. Xian, Hua Shi, Jon Dewitz, Zhuoting Wu
2018, Conference Paper, IGARSS 2018 - 2018 IEEE International Geoscience and Remote Sensing Symposium
The U.S. Geological Survey (USGS) has developed the National Land Cover Database (NLCD) to provide consistent land cover and land cover change products for the nation since 2001. As one of products in the NLCD, the percent impervious surface area (ISA), which was estimated with Landsat imagery, represents the fraction...
Multi-state occupancy models of foraging habitat use by the Hawaiian hoary bat Lasiurus cinereus semotus
P. Marcos Gorresen, Kevin W. Brinck, Megan A. DeLisle, Kristina Montoya-Aiona, Corinna A. Pinzari, Frank Bonaccorso
2018, PLoS ONE (13) 1-14
Multi-state occupancy modeling can often improve assessments of habitat use and site quality when animal activity or behavior data are available. We examine the use of the approach for evaluating foraging habitat suitability of the endangered Hawaiian hoary bat (Lasiurus cinereus semotus) from classifications of site occupancy based on flight...
Using research networks to create the comprehensive datasets needed to assess nutrient availability as a key determinant of terrestrial carbon cycling
Sara Vicca, Benjamin Stocker, Sasha C. Reed, William R. Wieder, Michael Bahn, Philip A. Fay, Ivan Janssens, Hans Lambers, Josep Penuelas, Shilong Piao, Karin Rebel, Jordi Sardans, Bjarni D. Sigurdsson, Kevin Van Sundert, Ying-Ping Wang, Sonke Zaehle, Philippe Ciais
2018, Environmental Research Letters (13) 1-13
A wide range of research shows that nutrient availability strongly influences terrestrial carbon (C) cycling and shapes ecosystem responses to environmental changes and hence terrestrial feedbacks to climate. Nonetheless, our understanding of nutrient controls remains far from complete and poorly quantified, at least partly due to a lack of informative,...
Chronic physical disturbance substantially alters the response of biological soil crusts to a wetting pulse, as characterized by metatranscriptomic sequencing
Blaire Steven, Jayne Belnap, Cheryl R. Kuske
2018, Frontiers in Microbiology (9) 1-17
Biological soil crusts (biocrusts) are microbial communities that are a feature of arid surface soils worldwide. In drylands where precipitation is pulsed and ephemeral, the ability of biocrust microbiota to rapidly initiate metabolic activity is critical to their survival. Community gene expression was compared after a short duration (1 hour)...
Natural climate solutions for the United States
Joseph E. Fargione, Steven Bassett, Timothy Boucher, Scott D. Bridgham, Richard T. Conant, Susan C. Cook-Patton, Peter W. Ellis, Alessandra Falcucci, James W. Fourqurean, Trisha Gopalakrishna, Huan Gu, Benjamin Henderson, Matthew D. Hurteau, Kevin D. Kroeger, Timm Kroeger, Tyler J. Lark, Sara M. Leavitt, Guy Lomax, Robert I. McDonald, Patrick Megonigal, Daniela A. Miteva, Curtis J. Richardson, Jonathan Sanderman, David Shoch, Seth A. Spawn, Joseph W. Veldman, Christopher A. Williams, Peter B. Woodbury, Chris Zganjar, Marci Baranski, Patricia Elias, Richard A. Houghton, Emily Landis, Emily McGlynn, William H. Schlesinger, Juha V. Siikamaki, Ariana Sutton-Grier, Bronson W. Griscom
2018, Science (4)
Limiting climate warming to <2°C requires increased mitigation efforts, including land stewardship, whose potential in the United States is poorly understood. We quantified the potential of natural climate solutions (NCS)—21 conservation, restoration, and improved land management interventions on natural and agricultural lands—to increase carbon storage and avoid greenhouse gas emissions...
Ground motions from the 7 and 19 September, 2017 Tehuantepec and Puebla-Morelos, Mexico, earthquakes
Valerie J. Sahakian, Diego Melgar, Luis Quintanar, Leonardo Ramirez-Guzman, Xyoli Perez-Campos, Annemarie S. Baltay Sundstrom
2018, Bulletin of the Seismological Society of America (108) 3300-3312
The 2017 M">M 8.2 Tehuantepec and M">M 7.1 Puebla‐Morelos earthquakes were deep inslab normal‐faulting events that caused significant damage to several central‐to‐southern regions of Mexico. Inslab earthquakes are an important component of seismicity and seismic hazard...
Change in dominance determines herbivore effects on plant biodiversity
Sally E. Koerner, Melinda D. Smith, Deron E. Burkepile, Niall P. Hanan, Meghan L. Avolio, Scott L. Collins, Alan K. Knapp, Nathan P. Lemoine, Elisabeth J. Forrestel, Stephanie Eby, Dave I. Thompson, Gerardo A. Aguado-Santacruz, John P. Anderson, T. Michael Anderson, Ayana Angassa, Sumanta Bagchi, Elisabeth S. Bakker, Gary Bastin, Lauren E. Baur, Karen H. Beard, Erik A. Beever, Patrick J. Bohlen, Elizabeth H. Boughton, Don Canestro, Ariela Cesa, Enrique Chaneton, Jimin Cheng, Carla M. D’Antonio, Claire Deleglise, Fadiala Dembele, Josh Dorrough, David J. Eldridge, Barbara Fernandez-Going, Silvia Fernandez-Lugo, Lauchlan H. Fraser, Bill Freedman, Gonzalo Garcia-Salgado, Jacob R. Goheen, Liang Guo, Sean Husheer, Moussa Karembe, Johannes M. H. Knops, Tineke Kraaij, Andrew Kulmatiski, Minna-Maarit Kytoviita, Felipe Lezama, Gregory Loucougaray, Alejandro Loydi, Daniel G. Milchunas, Suzanne J. Milton, John W. Morgan, Claire Moxham, Kyle C. Nehring, Han Olff, Todd M. Palmer, Salvador Rebollo, Corinna Riginos, Anita C. Risch, Marta Rueda, Mahesh Sankaran, Takehiro Sasaki, Kathryn A. Schoenecker, Nick L. Schultz, Martin Schutz, Angelika Schwabe, Frances Siebert, Christian Smit, Karen A. Stahlheber, Christian Storm, Dustin J. Strong, Jishuai Su, Yadugiri V. Tiruvaimozhi, Claudia Tyler, James Val, Martijn L. Vandegehuchte, Kari E. Veblen, Lance Vermeire, David Ward, Jianshuang Wu, Truman P. Young, Qiang Yu, Tamara J. Zelikova
2018, Nature Ecology & Evolution (2) 1925-1932
Herbivores alter plant biodiversity (species richness) in many of the world’s ecosystems, but the magnitude and the direction of herbivore effects on biodiversity vary widely within and among ecosystems. One current theory predicts that herbivores enhance plant biodiversity at high productivity but have the opposite effect at low productivity. Yet,...
Bank‐derived material dominates fluvial sediment in a suburban Chesapeake Bay watershed
Matthew J. Cashman, Allen C. Gellis, Lillian E. Gorman Sanisaca, Gregory E. Noe, Vanessa Cogliandro, Anna Baker
2018, River Research and Applications (34) 1032-1044
Excess fine sediment is a leading cause of ecological degradation within the Chesapeake Bay watershed. To effectively target sediment mitigation measures, it is necessary to identify and quantify the delivery of sediment sources to local waterbodies.This study examines the contributions of sediment sources within Upper Difficult Run, a suburbanized watershed...
Time-varying predatory behavior is primary predictor of fine-scale movement of wildland-urban cougars
Frances E. Buderman, Mevin Hooten, Mathew W. Alldredge, Ephraim M. Hanks, Jacob S. Ivan
2018, Movement Ecology (6) 1-16
BackgroundWhile many species have suffered from the detrimental impacts of increasing human population growth, some species, such as cougars (Puma concolor), have been observed using human-modified landscapes. However, human-modified habitat can be a source of both increased risk and increased food availability, particularly for large carnivores. Assessing preferential use of...
