Publications
Filter Total Items: 1987
High frequency of lead exposure in the population of an endangered Australian top predator, the Tasmanian wedge-tailed eagle (Aquila audax fleayi)
Lead poisoning, mainly through incidental ingestion of lead ammunition in carcasses, is a threat to scavenging and predatory bird species worldwide. In Australia, shooting for animal control is widespread, and a range of native scavenging species are susceptible to lead exposure. However, the prevalence of lead exposure in Australia's scavenging and predatory birds is largely unknown. We evaluated
Authors
James M. Pay, Todd E. Katzner, Clare E. Hawkins, Amelia J. Koch, Jason M. Wiersm, William E. Brown, Nick J. Mooney, Elissa Z. Cameron
Relative abundance of coyotes (Canis latrans) influences gray fox (Urocyon cinereoargenteus) occupancy across the eastern United States
Gray fox (Urocyon cinereoargenteus (Schreber, 1775)) populations in portions of the eastern United States have experienced declines whose trajectories differ from those of other mesocarnivore populations. One hypothesis is that gray fox declines may result from interspecific interactions, particularly competition with abundant coyotes (Canis latrans Say, 1823). Alternatively, gray foxes may respon
Authors
Michael E. Egan, Casey C. Day, Todd E. Katzner, Patrick A. Zollner
Diurnal timing of nonmigratory movement by birds: The importance of foraging spatial scales
Timing of activity can reveal an organism's efforts to optimize foraging either by minimizing energy loss through passive movement or by maximizing energetic gain through foraging. Here, we assess whether signals of either of these strategies are detectable in the timing of activity of daily, local movements by birds. We compare the similarities of timing of movement activity among species using s
Authors
Julie M. Mallon, Marlee A. Tucker, Annalea Beard, Richard O Bierregaard Jr., Keith L. Bildstein, Katrin Böhning-Gaese, John N. Brzorad, Evan R. Buechley, Javier Bustamante, Carlos Carrapato, José Alfredo Castillo‐Guerrero, Elizabeth Clingham, Mark Desholm, Christopher R. DeSorbo, Robert Domenech, Hayley Douglas, Olivier Duriez, Peter Enggist, Nina Farwig, Wolfgang Fiedler, Anna Gagliardo, Clara García‐Ripollés, José Antonio Gil Gallús, Morgan E. Gilmour, Roi Harel, Autumn-Lynn Harrison, Leeann Henry, Todd E. Katzner, Roland Kays, Erik Kleyheeg, Rubén Limiñana, Pascual López-López, Giuseppe Lucia, Alan Maccarone, Egidio Mallia, Ugo Mellone, E.K. Mojica, Ran Nathan, Scott H. Newman, Steffen Oppel, Yotam Orchan, Diann J. Prosser, Hannah Riley, Sascha Rösner, Dana G. Schabo, Holger Schulz, Scott A. Shaffer, Adam Shreading, João Paulo Silva, Jolene Sim, Henrik Skov, Orr Spiegel, Matthew J. Stuber, John Y. Takekawa, Vicente Urios, Javier Vidal‐Mateo, Kevin Warner, Bryan D. Watts, Nicola Weber, Sam Weber, Martin Wikelski, Ramunas Zydelis, Thomas Mueller, William F. Fagan
Annotated bibliography of scientific research on greater sage-grouse published from 2015 to 2019
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 and their habitat and to reduce threats to both. New
Authors
Sarah K. Carter, Robert S. Arkle, Heidi L. Bencin, Benjamin R. Harms, Daniel J. Manier, Aaron N. Johnston, Susan L. Phillips, Steven E. Hanser, Zachary H. Bowen
Integrating climate change considerations into natural resource planning—An implementation guide
Executive SummaryClimate change vulnerability assessments and associated adaptation strategies and actions connect existing climate science with possible effects on natural resources and highlight potential responses. However, these assessments, which are commonly generated for large regional areas, suggest management options in general terms without guidance for choosing among strategies and acti
Authors
Jessi Kershner, Andrea Woodward, Alicia Torregrosa
Illegal killing of nongame wildlife and recreational shooting in conservation areas
Illegal killing of nongame wildlife is a global yet poorly documented problem. The prevalence and ecological consequences of illegal killing are often underestimated or completely unknown. We review the practice of legal recreational shooting and present data gathered from telemetry, surveys, and observations on its association with illegal killing of wildlife (birds and snakes) within conservatio
Authors
Todd E. Katzner, Jay D. Carlisle, Sharon Poessel, Eve C. Thomason, Benjamin P. Pauli, David Pilliod, James R. Belthoff, Julie A. Heath, Kristina J. Parker, Kevin S. Warner, Heather Hayes, Madeline Aberg, Patricia Ortiz, Sandra Amdor, Steven Alsup, Stephanie E. Coates, Tricia A. Miller, Zoe K. T. Duran
Unfamiliar territory: Emerging themes for ecological drought research and management
Novel forms of drought are emerging globally, due to climate change, shifting teleconnection patterns, expanding human water use, and a history of human influence on the environment that increases the probability of transformational ecological impacts. These costly ecological impacts cascade to human communities, and understanding this changing drought landscape is one of today’s grand challenges.
Authors
Shelley D. Crausbay, Julio L. Betancourt, John B. Bradford, Jennifer M. Cartwright, William C. Dennison, Jason B. Dunham, Carolyn Armstrong Enquist, Abby G. Frazier, Kimberly R. Hall, Jeremy Littell, Charlie H. Luce, Richard Palmer, Aaron R. Ramirez, Imtiaz Rangwala, Laura Thompson, Brianne M. Walsh, Shawn Carter
U.S. Geological Survey sagebrush ecosystem research annual report for 2020
The sagebrush (Artemisia spp.) ecosystem extends across 251,473 square miles over portions of 13 western States. Affected by multiple stressors, including interactions among fire, invasive plants, and human land uses, this ecosystem has experienced significant loss, fragmentation, and degradation of landscapes once dominated by sagebrush. In turn, wildlife populations have declined following these
Distribution and abundance of Aquila chrysaetos (golden eagles) in East Contra Costa County Habitat Conservation Plan/Natural Community Conservation Plan area, California
The East Contra Costa County Habitat Conservation Plan/Natural Community Conservation Plan (HCP/NCCP) Preserve System was designed to protect and enhance ecological diversity and function in eastern Contra Costa County, California. Aquila chrysaetos (golden eagle) is a special-status species expected to benefit from biological goals of the HCP/NCCP. As part of a broader study, we estimated site-oc
Authors
J. David Wiens, Patrick S. Kolar, Douglas A. Bell
Appendix C: Interim report on subtask focused on resampling historic Kennedy/ITD plots for RP-284
In October 2019, an Idaho Transportation Department (ITD) Cooperative Transportation Research Program award was made to Boise State University in partnership with the U.S. Geological Survey to investigate the use of weed-suppressive bacteria (Pseudomonas fluorescens strain ACK55) with preemergent herbicides (imazapic and indaziflam) to reduce exotic annual grasses (cheatgrass, medusahead) on ITD r
Authors
Allison B. Simler-Williamson, Matthew Germino, Brynne E. Lazarus
Impact of unburned remnant sagebrush versus outplants on post-fire landscape rehabilitation
Nearly half of the vast sagebrush steppe in the western United states has lost many or nearly all native plant species, largely due to the interaction of invasive species and increased wildfire. Re-establishing sagebrush, a keystone component of these ecosystems, has become a management focus in recent decades using aerial broadcast seeding or limited plantings. One promising avenue for improving
Authors
Cara Applestein, Trevor Caughlin, Matthew Germino
Interpreting Indicators of Rangeland Health, Version 5: Bureau of Land Management Technical Reference 1734-6
The Interpreting Indicators of Rangeland Health (IIRH) protocol is designed for assessing ecosystem function on rangelands and woodlands. The protocol was developed by an interagency cadre of technical experts and has been in use by for two decades. The protocol is well accepted and is a valuable tool for communicating rangeland conditions with stakeholders. Technical Reference 1734-6 Version 4,
Authors
Mike Pellant, Patrick L Shaver, David A. Pyke, Jeffrey E. Herrick, Nika Lepak, Gregg Riegel, Emily Kachergis, Beth A. Newingham, David Toledo, Frank E Busby