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Not all publications have extents, not all extents are completely accurate
Spatial relationships of levees and wetland systems within floodplains of the Wabash Basin, USA
Ryan R. Morrison, Erin N. Bray, Fernando Nardi, Antonio Annis, Quan Dong
2018, Journal of the American Water Resources Association (54) 934-948

Given the unique biogeochemical, physical, and hydrologic services provided by floodplain wetlands, proper management of river systems should include an understanding of how floodplain modifications influence wetland ecosystems. The construction of levees can reduce river–floodplain connectivity, yet it is unclear how levees affect wetlands within floodplains, let alone the cumulative impacts...

Limits to ponderosa pine regeneration following large high-severity forest fires in the United States Southwest
Collin Haffey, Thomas D. Sisk, Craig D. Allen, Andrea E. Thode, Ellis Margolis
2018, Fire Ecology (14) 143-163

High-severity fires in dry conifer forests of the United States Southwest have created large (>1000 ha) treeless areas that are unprecedented in the regional historical record. These fires have reset extensive portions of Southwestern ponderosa pine (Pinus ponderosa Lawson & C. Lawson var. scopulorum Engelm.) forest landscapes. At least two...

Modeling the distributions of tegu lizards in native and potential invasive ranges
Catherine S. Jarnevich, Mark Hayes, Lee A. Fitzgerald, Amy Yackel, Bryan Falk, Michelle Collier, Lea Bonewell, Page Klug, Sergio Naretto, Robert Reed
2018, Scientific Reports (8)

Invasive reptilian predators can have substantial impacts on native species and ecosystems. Tegu lizards are widely distributed in South America east of the Andes, and are popular in the international live animal trade. Two species are established in Florida (U.S.A.) - Salvator merianae (Argentine black and white tegu) and Tupinambis...

Riparian spiders indicate the magnitude and sources of polychlorinated biphenyl (PCB) contamination at a large contaminated sediment site
David M. Walters, Ryan R. Otter, Johanna M. Kraus, Marc A. Mills
2018, Environmental Toxicology and Chemistry

We investigated PCB contamination at the Ashtabula River Area of Concern (AOC) following remedial dredging using araneid and tetragnathid spiders. PCB concentrations remain elevated in the AOC compared to reference conditions. Patterns of contamination were strikingly similar between taxa, but were higher in tetragnathids at the most contaminated sites. Spider...

Regeneration of Salicaceae riparian forests in the Northern Hemisphere: A new framework and management tool
Eduardo Gonzalez, Vanesa Martinez-Fernandez, Patrick B. Shafroth, Anna A. Sher, Annie L. Henry, Virginia Garofano-Gomez, Dov Corenblit
2018, Journal of Environmental Management (218) 374-387

Human activities on floodplains have severely disrupted the regeneration of foundation riparian shrub and tree species of the Salicaceae family (Populus and Salix spp.) throughout the Northern Hemisphere. Restoration ecologists initially tackled this problem from a terrestrial perspective that emphasized planting. More recently, floodplain restoration activities have embraced an aquatic perspective, inspired by the expanding practice...

Variation in plant defense suppresses herbivore performance
Ian Pearse, Ryan Paul, Paul J. Ode
2018, Current Biology (28) 1981-1986

Defensive variability of crops and natural systems can alter herbivore communities and reduce herbivory. However, it is still unknown how defense variability translates into herbivore suppression. Nonlinear averaging and constraints in physiological tracking (also more generally called time-dependent effects) are the two mechanisms by which defense variability might impact herbivores....

A guide to processing bat acoustic data for the North American Bat Monitoring Program (NABat)
Brian Reichert, Cori Lausen, Susan Loeb, Ted Weller, Ryan Allen, Eric Britzke, Tara Hohoff, Jeremy Siemers, Braden Burkholder, Carl Herzog, Michelle Verant
2018, Open-File Report 2018-1068

The North American Bat Monitoring Program (NABat) aims to improve the state of conservation science for all species of bats shared by the United States, Canada, and Mexico. To accomplish this goal, NABat offers guidance and standardized protocols for acoustic monitoring of bats. In this document, “A Guide to Processing...

2017 National Park visitor spending effects : Economic contributions to local communities, states, and the Nation
Catherine M. Cullinane Thomas, Lynne Koontz, Egan Cornachione
2018, Natural Resource Technical Report NPS/NRSS/EQD/NRR—2018/1616

The National Park Service (NPS) manages the Nation’s most iconic destinations that attract millions of visitors from across the Nation and around the world. Trip-related spending by NPS visitors generates and supports a considerable amount of economic activity within park gateway communities. This economic effects analysis measures how NPS visitor...

burnr: Fire history analysis and graphics in R
Steven B. Malevich, Christopher H. Guiterman, Ellis Margolis
2018, Dendrochronologia (49) 9-15

We developed a new software package, burnr, for fire history analysis and plotting in the Rstatistical programming environment. It was developed for tree-ring fire-scar analysis, but is broadly applicable to other event analyses (e.g., avalanches, frost rings, or culturally modified trees). Our new package can read, write, and manipulate standard tree-ring fire history FHX...

U.S. Geological Survey science for the Wyoming Landscape Conservation Initiative—2016 annual report
Zachary H. Bowen, Ellen Aikens, Cameron L. Aldridge, Patrick J. Anderson, Timothy J. Assal, Anna D. Chalfoun, Geneva W. Chong, Cheryl Eddy-Miller, Steven L. Garman, Stephen S. Germaine, Collin G. Homer, Aaron Johnston, Matthew J. Kauffman, Daniel J. Manier, Cynthia P. Melcher, Kirk A. Miller, Annika W. Walters, Jerrod D. Wheeler, Daniel Wieferich, Anna B. Wilson, Teal B. Wyckoff, Linda C. Zeigenfuss
2018, Open-File Report 2018-1048

This is the ninth annual report highlighting U.S. Geological Survey (USGS) science and decision-support activities conducted for the Wyoming Landscape Conservation Initiative (WLCI). The activities address specific management needs identified by WLCI partner agencies. In fiscal year (FY) 2016, there were 26 active USGS WLCI science-based projects. Of these 26...

A tale of two wildfires; testing detection and prediction of invasive species distributions using models fit with topographic and spectral indices
Amanda M. West, Paul H. Evangelista, Catherine S. Jarnevich, Darin Shulte
2018, Landscape Ecology (33) 969-984

ContextDeveloping species distribution models (SDMs) to detect invasive species cover and evaluate habitat suitability are high priorities for land managers.ObjectivesWe tested SDMs fit with different variable combinations to provide guidelines for future invasive species model development based on transferability between...

Forecasting an invasive species’ distribution with global distribution data, local data, and physiological information
Catherine S. Jarnevich, Nicholas E. Young, Marian Talbert, Colin Talbert
2018, Ecosphere (9) 1-12

Understanding invasive species distributions and potential invasions often requires broad‐scale information on the environmental tolerances of the species. Further, resource managers are often faced with knowing these broad‐scale relationships as well as nuanced environmental factors related to their landscape that influence where an invasive species occurs and potentially could occur....

Advancing dendrochronological studies of fire in the United States
Grant L. Harley, Christopher H. Baisan, Peter M. Brown, Donald A. Falk, William T. Flatley, Henri D. Grissino-Mayer, Amy Hessl, Emily K. Heyerdahl, Margot W. Kaye, Charles W. Lafon, Ellis Margolis, R. Stockton Maxwell, Adam T. Naito, William J. Platt, Monica T. Rother, Thomas Saladyga, Rosemary L. Sherriff, Lauren A. Stachowiak, Michael C. Stambaugh, Elaine Kennedy Sutherland, Alan H. Taylor
2018, Fire (1) 1-6

Dendroecology is the science that dates tree rings to their exact calendar year of formation to study processes that influence forest ecology (e.g., Speer 2010, Amoroso et al., 2017). Reconstruction of past fire regimes is a core application of dendroecology, linking fire history to population dynamics and climate effects on...

River flow and riparian vegetation dynamics - implications for management of the Yampa River through Dinosaur National Monument
Michael L Scott, Jonathan M. Friedman
2018, Natural Resource Report NPS/NRSS/WRD/NRR—2018/1619

This report addresses the relation between flow of the Yampa River and occurrence of herbaceous and woody riparian vegetation in Dinosaur National Monument (DINO) with the goal of informing management decisions related to potential future water development. The Yampa River in DINO flows through diverse valley settings, from the relatively...

Assessment of two external transmitter attachment methods for Boiga irregularis (Brown Treesnakes)
Charlotte J. Robinson, Marijoy C. Viernes, Robert Reed, Amy Yackel, Melia Nafus
2018, Herpetological Review (49) 32-34

No abstract available....

Research frontiers for improving our understanding of drought‐induced tree and forest mortality
Henrik Hartmann, Catarina Moura, William R. L. Anderegg, Nadine Ruehr, Yann Salmon, Craig D. Allen, Stefan K. Arndt, David D. Breshears, Hendrik Davi, David Galbraith, Katinka X. Ruthrof, Jan Wunder, Henry D. Adams, Jasper Bloemen, Maxime Cailleret, Richard Cobb, Arthur Gessler, Thorsten E. E. Grams, Steven Jansen, Markus Kautz, Francisco Lloret, Michael O’Brien
2018, New Phytologist (218) 15-28

Accumulating evidence highlights increased mortality risks for trees during severe drought, particularly under warmer temperatures and increasing vapour pressure deficit (VPD). Resulting forest die‐off events have severe consequences for ecosystem services, biophysical and biogeochemical land–atmosphere processes. Despite advances in monitoring, modelling and experimental studies of the causes and consequences of...

Shifting stream planform state decreases stream productivity yet increases riparian animal production
Michael P. Venarsky, David M. Walters, Robert O. Hall Jr., Bridget Livers, Ellen Wohl
2018, Oecologia (187) 167-180

In the Colorado Front Range (USA), disturbance history dictates stream planform. Undisturbed, old-growth streams have multiple channels and large amounts of wood and depositional habitat. Disturbed streams (wildfires and logging < 200 years ago) are single-channeled with mostly erosional habitat. We tested how these opposing stream states influenced organic matter, benthic macroinvertebrate...

Importance of growth rate on mercury and polychlorinated biphenyl bioaccumulation in fish
Jiajia Li, G. Douglas Haffner, Gordon Patterson, David M. Walters, Michael D. Burtnyk, Ken G. Drouillard
2018, Environmental Toxicology and Chemistry (37) 1655-1667

To evaluate the effect of fish growth on mercury (Hg) and polychlorinated biphenyl (PCB) bioaccumulation, a non–steady‐state toxicokinetic model, combined with a Wisconsin bioenergetics model, was developed to simulate Hg and PCB bioaccumulation in bluegill (Lepomis macrochirus). The model was validated by comparing observed with predicted Hg and PCB 180...

Misleading prioritizations from modelling range shifts under climate change
Helen R. Sofaer, Catherine S. Jarnevich, Curtis H. Flather
2018, Global Ecology and Biogeography (27) 658-666

AimConservation planning requires the prioritization of a subset of taxa and geographical locations to focus monitoring and management efforts. Integration of the threats and opportunities posed by climate change often relies on predictions from species distribution models, particularly for assessments of vulnerability or invasion risk for multiple taxa. We evaluated...

Ecological drought: Accounting for the non-human impacts of water shortage in the Upper Missouri Headwaters Basin, Montana, USA
Jamie McEvoy, Deborah J. Bathke, Nina Burkardt, Amanda Cravens, Tonya Haigh, Kimberly R. Hall, Michael J. Hayes, Theresa Jedd, Marketa Podebradska, Elliot Wickham
2018, Resources (7) 1-16

Water laws and drought plans are used to prioritize and allocate scarce water resources. Both have historically been human-centric, failing to account for non-human water needs. In this paper, we examine the development of instream flow legislation and the evolution of drought planning to highlight the growing concern for the...

Potential effects of elevated base flow and midsummer spike flow experiments on riparian vegetation along the Green River
Jonathan M. Friedman
2018, Natural Resource Report NPS/NRSS/WRD/NRR—2018/1603

The Upper Colorado River Endangered Fish Recovery Program has requested experimental flow releases from Flaming Gorge Dam for (1) elevated summer base flows to promote larval endangered Colorado pikeminnow, and (2) midsummer spike flows to disadvantage spawning invasive smallmouth bass. This white paper explores the effects of these proposed flow...

Genomic evolution, recombination, and inter-strain diversity of chelonid alphaherpesvirus 5 from Florida and Hawaii green sea turtles with fibropapillomatosis
Cheryl L. Morrison, Luke R. Iwanowicz, Thierry M. Work, Elizabeth Fahsbender, Mya Breitbart, Cynthia R. Adams, Deborah D. Iwanowicz, Lakyn Sanders, Mathias Ackermann, Robert S. Cornman
2018, PeerJ (6) 1-33

Chelonid alphaherpesvirus 5 (ChHV5) is a herpesvirus associated with fibropapillomatosis (FP) in sea turtles worldwide. Single-locus typing has previously shown differentiation between Atlantic and Pacific strains of this virus, with low variation within each geographic clade. However, a lack of multi-locus genomic sequence data hinders understanding of the rate and...

Host-pathogen metapopulation dynamics suggest high elevation refugia for boreal toads
Brittany A. Mosher, Larissa L. Bailey, Erin L. Muths, Kathryn P Huyvaert
2018, Ecological Applications (28) 926-937

Emerging infectious diseases are an increasingly common threat to wildlife. Chytridiomycosis, caused by the fungal pathogen Batrachochytrium dendrobatidis (Bd), is an emerging infectious disease that has been linked to amphibian declines around the world. Few studies exist that explore amphibian-Bd dynamics at the landscape scale, limiting our ability to identify which factors are...

Landsat classification of surface-water presence during multiple years to assess response of playa wetlands to climatic variability across the Great Plains Landscape Conservation Cooperative region
Daniel J. Manier, Jennifer R. Rover
2018, Open-File Report 2017-1166

To improve understanding of the distribution of ecologically important, ephemeral wetland habitats across the Great Plains, the occurrence and distribution of surface water in playa wetland complexes were documented for four different years across the Great Plains Landscape Conservation Cooperative (GPLCC) region. This information is important because it informs land...

Annotated bibliography of scientific research on greater sage-grouse published since January 2015
Sarah K. Carter, Daniel J. Manier, Robert S. Arkle, Aaron Johnston, Susan L. Phillips, Steven E. Hanser, Zachary H. Bowen
2018, Open-File Report 2018-1008

The greater sage-grouse (Centrocercus urophasianus; hereafter GRSG) has been a focus of scientific investigation and management action for the past two decades. The 2015 U.S. Fish and Wildlife Service listing determination of “not warranted” was in part due to a large-scale collaborative effort to develop strategies to conserve GRSG populations...