Interpreting long-distance movements of non-migratory golden eagles: Prospecting and nomadism?
Sharon A. Poessel, Brian Woodbridge, Brian W. Smith, Robert K. Murphy, Bryan E Bedrosian, Douglas A. Bell, David Bittner, Peter H. Bloom, Ross H. Crandall, Robert Domenech, Robert N. Fisher, Patricia Haggerty, Steven J. Slater, Jeff A. Tracey, James W. Watson, Todd E. Katzner
2022, Ecosphere (13)
Movements by animals can serve different functions and occur over a variety of spatial and temporal scales. Routine movement types, such as residency (localized movements) and migration, have been well studied. However, nonroutine movement types, such as dispersal, prospecting, and nomadism, are less well understood. Documenting these rarely detected events...
Petrogenesis and rare earth element mineralization of the Elk Creek carbonatite, Nebraska, USA
Philip Verplanck, G. Lang Farmer, Richard M. Kettler, Heather A. Lowers, Craig A. Johnson, Alan E. Koenig, Michael J. Blessington
2022, Ore Geology Reviews (146)
Although carbonatites are the primary source of the world’s rare earth elements (REEs), the processes responsible for ore-grade REE enrichment in carbonatites are still poorly understood. In this study, we present a petrologic, geochemical, and isotopic evaluation of the Elk Creek carbonatite in southeast Nebraska...
2021 Tinian Island forest bird abundance estimates
Richard J. Camp, Trevor Bak, Ayesha Genz
2022, Hawai‘i Cooperative Studies Unit Technical Report 105
The U.S. Navy, through Micronesian Environmental Services, surveyed landbirds in the Military Lease Area on Tinian Island in May and June 2021 using point-transect distance sampling methods. There were 2,074 individuals of 14 species detected during 123 point counts. Six species were detected during >50% of the counts and were...
Machine learning and data augmentation approach for identification of rare earth element potential in Indiana Coals, USA
Snahamoy Chatterjee, Maria Mastalerz, Agnieszka Drobniak, C. Ozgen Karacan
2022, International Journal of Coal Geology (259)
Rare earth elements and yttrium (REYs) are critical elements and valuable commodities due to their limited availability and high demand in a wide range of applications and especially in high-technology products. The increased demand and geopolitical pressures motivate the search for alternative sources of REYs, and coal, coal waste, and...
Global environmental changes more frequently offset than intensify detrimental effects of biological invasions
Bianca Lopez, Jenica Allen, Jeffrey Dukes, Jonathan Lenoir, Montserrat Vila, Dana Blumenthal, Evelyn M. Beaury, Emily J. Fusco, Brittany B. Laginhas, Toni Lyn Morelli, Mitchell W. O’Neill, Cascade J.B. Sorte, Alberto Maceda-Veiga, Raj Whitlock, Bethany A. Bradley
2022, Proceedings of the National Academy of Sciences (119)
Human-induced abiotic global environmental changes (GECs) and the spread of nonnative invasive species are rapidly altering ecosystems. Understanding the relative and interactive effects of invasion and GECs is critical for informing ecosystem adaptation and management, but this information has not been synthesized. We conducted a meta-analysis to investigate effects of...
#TheSmoreYouKnow and #emergencycute: A conceptual model on the use of humor by science agencies during crisis to create connection, empathy, and compassion
Sara K. McBride, Jessica L. Ball
2022, International Journal of Disaster Risk Reduction (27)
Studies from a variety of disciplines reveal that humor can be a useful method to reduce stress and increase compassion, connection, and empathy between agencies and people they serve during times of crisis. Despite this growing evidence base, humor's use during...
Environmental drivers of cyanobacterial abundance and cyanotoxin production in backwaters of the Upper Mississippi River
Shawn M. Giblin, James H. Larson, Jeremy D. King
2022, River Research and Applications (38) 1115-1128
High densities of cyanobacteria in aquatic ecosystems can cause impacts to ecosystem services because they serve as a poor-quality food resource, produce toxins and can indirectly cause a variety of other negative impacts to water quality. There are many hypotheses about the potential environmental drivers of variation in cyanobacterial abundance...
Orbital and in-situ investigation of periodic bedrock ridges in Glen Torridon, Gale Crater, Mars
K. M. Stack, W. E. Dietrich, M. P. Lamb, Robert Sullivan, John R. Christian, Claire E Newman, Catherine O’Connell-Cooper, Jonathan W Sneed, Mackenzie D. Day, Mariah Baker, R. A. Arvidson, Christopher M. Fedo, Sabrina Khan, Rebecca Williams, Kristen A. Bennett, A. B. Bryk, Shannon Cofield, Lauren A. Edgar, V. F. Fox, Abigail A. Fraeman, Christopher H House, D. M. Rubin, Vivian Z. Sun, Jason K. Van Beek
2022, Journal of Geophysical Research E: Planets (127)
Wind has been the dominant agent of landscape modification on Mars for the past ~3 billion years. Among the diversity of features formed by aeolian abrasion on the surface of Mars are periodic bedrock ridges (PBRs), a relatively recently recognized class of erosional bedforms on Mars for which Earth analogues...
Machine learned daily life history classification using low frequency tracking data and automated modelling pipelines: Application to North American waterfowl
Cory T. Overton, Michael L. Casazza, Joseph Bretz, Fiona McDuie, Elliott Matchett, Desmond Alexander Mackell, Austen Lorenz, Andrea Mott, Mark P. Herzog, Josh T. Ackerman
2022, Movement Ecology (10)
BackgroundIdentifying animal behaviors, life history states, and movement patterns is a prerequisite for many animal behavior analyses and effective management of wildlife and habitats. Most approaches classify short-term movement patterns with high frequency location or accelerometry data. However, patterns reflecting life history across longer time scales can have...
Estimating occupancy from autonomous recording unit data in the presence of misclassifications and detection heterogeneity
Matt Clement, Andy Royle, Ronald Mixan
2022, Methods in Ecology and Evolution (13) 1719-1729
1. Autonomous Recording Units (ARUs) are now widely used to survey communities of species. These surveys generate spatially and temporally replicated counts of unmarked animals, but such data typically include false negatives and misclassified detections, both of which may vary across sites in proportion to abundance. These data challenges can...
What common-garden experiments tell us about climate responses in plants
Susanne Schwinning, Christopher J. Lorti, Todd Esque, Lesley A. DeFalco
2022, Journal of Ecology (110) 986-996
Common garden experiments are indoor or outdoor plantings of species or populations collected from multiple distinct geographic locations, grown together under shared conditions. These experiments examine a range of questions for theory and application using a variety of methods for analysis. The eight papers of this special feature comprise...
The effect of diagenesis and acetolysis on the preservation of morphology and ultrastructural features of pollen
Michael Zavada, Paul C. Hackley
2022, Review of Palaeobotany and Palynology (302)
Pollen morphology on its own and in conjunction with other characteristics has elucidated the origin and evolution of various plant groups. Previous studies of fossil pollen rarely discuss the effects of diagenesis and sample preparation on pollen characteristics, i.e., variability in staining, pollen...
The potential of semi-structured citizen science data as a supplement for conservation decision-making: Validating the performance of eBird against targeted avian monitoring efforts
Erica Francis Stuber, Orin Robinson, Emily R. Bjerre, Mark C. Otto, Brian A. Millsap, Guthrie S. Zimmerman, Michael G. Brasher, Kevin M. Ringelman, Auriel Fournier, Aaron Yetter, Jennifer Isola, Viviana Ruiz-Gutierrez
2022, Biological Conservation (270)
Methods are being developed to capitalize on citizen science data for research and monitoring, but these data are rarely used within established decision-making frameworks of wildlife agencies. Citizen science data are often collected at higher resolution and extent than targeted monitoring programs, and may provide complementary information. Here, we demonstrate...
Ignoring species availability biases occupancy estimates in single-scale occupancy models
Graziella Vittoria DiRenzo, David A. W. Miller, Evan H. Campbell Grant
2022, Methods in Ecology and Evolution (13) 1790-1804
Most applications of single-scale occupancy models do not differentiate between availability and detectability, even though species availability is rarely equal to one. Species availability can be estimated using multi-scale occupancy models; however, for the practical application of multi-scale occupancy models, it can be unclear what a robust sampling design...
Circa 1.50–1.45 Ga metasedimentary rocks in southwestern Laurentia provide distinctive records of Mesoproterozoic regional orogenesis and craton interactions
James V. Jones III, Christopher G. Daniel
2022, GSA Memoirs (220)
The discovery of multiple deformed and metamorphosed sedimentary successions in southwestern Laurentia that have depositional ages between ca. 1.50 and 1.45 Ga marked a turning point in our understanding of the Mesoproterozoic...
Biogeochemical and ecosystem properties in three adjacent semiarid grasslands are resistant to nitrogen deposition but sensitive to edaphic variability
Brooke Bossert Osborne, Carla M Roybal, Robin H. Reibold, Christopher D Collier, Erika L. Geiger, Michala Lee Phillips, Michael N Weintraub, Sasha C. Reed
2022, Journal of Ecology (110) 1615-1631
Drylands have low nitrogen stocks and are predicted to be sensitive to modest increases in reactive nitrogen availability, but direct evidence that atmospheric nitrogen deposition will have sustained effects on dryland ecosystems is sparse and conflicting.We used three long-running in situ nitrogen deposition simulation experiments and a complementary laboratory incubation experiment...
Deep-ocean polymetallic nodules and cobalt-rich ferromanganese crusts in the global ocean: New sources for critical metals
James R. Hein, Kira Mizell
2022, Book chapter, The United Nations convention on the law of the sea, part XI regime and the international seabed authority: A twenty-five year journey
The transition from a global hydrocarbon economy to a green energy economy and the rapidly growing middle class in developing countries are driving the need for considerable new sources of critical materials. Deep-ocean minerals, namely cobalt-rich ferromanganese crusts and polymetallic nodules, are two such new resources generating interest.Polymetallic nodules are...
Life and death in a dynamic environment: Invasive trout, floods, and intraspecific drivers of translocated populations
Brian D Healy, Phaedra E. Budy, Mary M. Conner, Emily C. Omana Smith
2022, Ecological Applications (32)
Understanding the relative strengths of intrinsic and extrinsic factors regulating populations is a long-standing focus of ecology and critical to advancing conservation programs for imperiled species. Conservation could benefit from an increased understanding of factors influencing vital rates (somatic growth, recruitment, survival) in small, translocated populations,...
Food web perspectives and methods for riverine fish conservation
Sean M. Naman, Seth M. White, J. Ryan Bellmore, Peter A. McHugh, Matthew J. Kaylor, Colden V. Baxter, Robert J. Danehy, Robert J. Naiman, Amy L. Puls
2022, Wiley Interdisciplinary Reviews (WIREs): Water (9)
Food web analyses offer useful insights into understanding how species interactions, trophic relationships, and energy flow underpin important demographic parameters of fish populations such as survival, growth, and reproduction. However, the vast amount of food web literature and the diversity of approaches can be a deterrent to fisheries practitioners engaged...
Decline in biological soil crust N-fixing lichens linked to increasing summertime temperatures
Rebecca A Finger-Higgens, Michael C. Duniway, Stephen E. Fick, Erika L. Geiger, David L. Hoover, Alix A. Pfennigwerth, Matthew W. Van Scoyoc, Jayne Belnap
2022, Proceedings of the National Academies of Science (PNAS) (119)
Across many global drylands, biocrusts form a protective barrier on the soil surface and fill many critical roles in these harsh yet fragile environments. Previous short-term research suggests that climate change and invasive plant introduction can damage and alter biocrust communities, yet few long-term observations exist. Using a globally unique...
Optimizing management of invasions in an uncertain world using dynamic spatial models
Kim M. Pepin, Amy J. Davis, Rebecca S. Epanchin-Niell, Andrew M. Gormley, Joslin L. Moore, Timothy J. Smyser, H. Bradley Shaffer, William L. Kendall, Katriona Shea, Michael C. Runge, Sophie McKee
2022, Ecological Applications (32)
Dispersal drives invasion dynamics of nonnative species and pathogens. Applying knowledge of dispersal to optimize the management of invasions can mean the difference between a failed and a successful control program and dramatically improve the return on investment of control efforts. A common approach to identifying optimal management solutions for...
Evaluating sources of bias in pedigree-based estimates of breeding population size
Shannon L. White, Nicholas M Sard, Harold M Brundage III, Robin L. Johnson, Barbara A. Lubinski, Michael S. Eackles, Ian A Park, Dewayne A. Fox, David C. Kazyak
2022, Ecological Applications (32)
Applications of genetic-based estimates of population size are expanding, especially for species for which traditional demographic estimation methods are intractable due to the rarity of adult encounters. Estimates of breeding population size (NS) are particularly amenable to genetic-based approaches as the parameter can be estimated using pedigrees reconstructed from genetic...
Post-Early Miocene silicic volcanism in the northern Mojave Desert, California
David M. Miller, Phillip B Gans, Tracey J. Felger, Jorge A. Vazquez
2022, Conference Paper, Volcanoes in the Mojave: 2022 Desert symposium field guide and proceedings
Silicic volcanism that postdates widespread early Miocene volcanism in the Mojave Desert is underappreciated. We compiled age, petrographic, and geochemical data for volcanic rocks in a wide swath of the desert south of the Garlock fault using an age threshold of post-18.8 Ma, approximately the limit of the earlier Miocene...
To catch a (marsh) predator: Modified trapping methods for breeding and wintering Northern Harriers (Circus hudsonius)
Shannon Skalos, Michael L. Casazza, Matthew J. Falcon, William Thein, Joshua M. Hull
2022, Journal of Raptor Research (56) 190-200
Although there are a variety of methods available for trapping raptors, some species, such as Northern Harriers (Circus hudsonius), are not easily captured with standard methods. We tested several existing trapping methods and modified two of them based on Northern Harrier ecology and behavior...
Post-fledging spatial dispersion and movement behaviour differs between cavity-nesting and open-cup nesting passerines
Necmiye Sahin Arslan, Thomas E. Martin
2022, Ibis (164) 486-493
Spatial dispersion and movement behaviour vary across animal taxa and can affect fitness. The reasons why species differ in movement behaviour of young and why some species form family groups and other species have dispersed young have been rarely addressed. We tested a hypothesis that spatial dispersion and movement behaviour...
