Range-wide sources of variation in reproductive rates of northern spotted owls
Jeremy T. Rockweit, Julianna M Jenkins, James E. Hines, James D. Nichols, Katie Dugger, Alan B. Franklin, Peter C. Carlson, William L. Kendall, Damon B. Lesmeister, Christopher McCafferty, Steven H. Ackers, L. Steven Andrews, Larissa Bailey, Jesse Burgher, Kenneth P. Burnham, Tara E. Chestnut, Mary M Conner, Raymond J. Davis, Krista E. Dilione, Eric D. Forsman, Elizabeth M. Glenn, Scott A. Gremel, Keith A. Hamm, Dale R. Herter, J. Mark Higley, Rob B. Horn, David W Lamphear, Trent L. McDonald, Janice A Reid, Carl J. Schwarz, David C. Simon, Stan G Sovern, James K. Swingle, David Wiens, Heather Wise, Charles B. Yackulic
2023, Ecological Applications (33)
We conducted a range-wide investigation of the dynamics of site level reproductive rate of northern spotted owls using survey data from 11 study areas across the sub-species geographic range collected during 1993–2018. Our analytical approach accounted for imperfect detection of owl pairs and misclassification of successful...
Can non-invasive methods replace radiocollar-based winter counts in a 50-year wolf study? Lessons learned from a three-winter trial
Shannon Barber-Meyer
2023, Wildlife Research (50) 451-464
Context: Monitoring low-density, elusive predators such as grey wolves (Canis lupus) has often been undertaken via live-capture and radio-collaring. Recent advances in non-invasive methods suggest live-captures may not be necessary for adequate monitoring. Further, non-invasive methods are considered best practice when possible.Aims: I evaluated whether a suite of non-invasive methods could replace...
The power of forecasts to advance ecological theory
Abigail S L Lewis, Christine R. Rollinson, Andrew J Allyn, Jaime Ashander, Stephanie Brodie, Cole B Brookson, Elyssa Collins, Michael C. Dietze, Amanda S. Gallinat, Noel Juvigny-Khenafou, Gerbrand Koren, Daniel J McGlinn, Hassan Moustahfid, Jody Peters, Nicholas R. Record, Caleb J Robbins, Jonathan Tonkin, Glenda M Wardle
2023, Methods in Ecology and Evolution (14) 746-756
Ecological forecasting provides a powerful set of methods for predicting short- and long-term change in living systems. Forecasts are now widely produced, enabling proactive management for many applied ecological problems. However, despite numerous calls for an increased...
Assessing population genomic structure and polyploidy: A crucial step for native plant restoration
Bryce A. Richardson, Robert Massatti, Nurul Islam-Faridi, Skylar Johnson, Francis F. Kilkenny
2023, Restoration Ecology (31)
Establishing an effective restoration program requires baseline genetic information to make sound decisions for seed increase and transfer. For many plants this information is lacking, especially among native forbs that are critical for pollinator health. Erigeron speciosus is a widespread, perennial forb occupying montane environments in the western United States and Canada....
Valuing angling on reservoirs using benefit transfer
Richard T. Melstrom, Mark A. Kaemingk, Nicholas W. Cole, John C. Whitehead, Christopher J. Chizinski, Kevin L. Pope
2023, North American Journal of Fisheries Management (43) 400-416
Economic assessments are rarely applied to inland recreational fisheries for management purposes, especially when compared to fish, habitat, and creel assessments, yet economic assessments can provide critical information for management decisions. We provide a brief overview of economic value, key terminology, and existing economic techniques...
The global seismographic network reveals atmospherically coupled normal modes excited by the 2022 Hunga Tonga eruption
Adam T. Ringler, Robert E. Anthony, Rick Aster, T. Taira, Brian Shiro, David C. Wilson, S. H. De Angelis, C. Ebeling, Matthew M. Haney, R. Matoza, H. Ortiz
2023, Geophysical Journal International (232) 2160-2174
The eruption of the submarine Hunga Tonga-Hunga Haʻapai (Hunga Tonga) volcano on 15 January 2022, was one of the largest volcanic explosions recorded by modern geophysical instrumentation. The eruption was notable for the broad range of atmospheric wave phenomena it generated and for their unusual coupling with the oceans...
Expert perspectives on global biodiversity loss and its drivers and impacts on people
Forest Isbell, Patricia Balvanera, Akira S. Mori, Jin-Sheng He, James M. Bullock, Ganga Ram Regmi, Eric W. Seabloom, Simon Ferrier, Osvaldo E. Sala, Nathaly R. Guerrero-Ramirez, Julia Tavella, Daniel J. Larkin, Bernhard Schmid, Charlotte L. Outhwaite, Pairot Pramua, Elizabeth T. Borer, Michel Loreau, Taiwo Crossby Omotoriogun, David O. Obura, Maggie Anderson, Cristina Portales-Reyes, Kevin Kirkman, Pablo M Vergara, Adam Thomas Clark, Kimberly J Komatsu, Owen L. Petchey, Sarah R. Weiskopf, Laura J. Williams, Scott L. Collins, Nico Eisenhauer, Christopher H Trisos, Delphine Renard, Alexandra J. Wright, Poonam Tripathi, Jane Cowles, Jarrett E. K. Byrnes, Peter B. Reich, Andy Purvis, Zati Sharip, Mary I. O’Connor, Clare E. Kazanski, Nick M. Haddad, Eulogio H. Soto, Laura E. Dee, Sandra Díaz, Chad R. Zirbel, Meghan L. Avolio, Shaopeng Wang, Zhiyuan Ma, Jingjing Liang, Hanan C. Farah, Justin Andrew Johnson, Brian W. Miller, Yann Hautier, Melinda D. Smith, Johannes M. H. Knops, Bonnie Myers, Zuzana Harmáčková, Jorge Cortes, Mike Harfoot, Andrew Gonzalez, Tim Newbold, Jacqueline Oehri, Marina Mazon, Cynnamon Dobbs, Meredith S. Palmer
2023, Frontiers in Ecology and the Environment (21) 94-103
Despite substantial progress in understanding global biodiversity loss, major taxonomic and geographic knowledge gaps remain. Decision makers often rely on expert judgement to fill knowledge gaps, but are rarely able to engage with sufficiently large and diverse groups of specialists. To improve understanding of the perspectives of thousands of biodiversity...
Testing whether adrenal steroids mediate phenotypic and physiologic effects of elevated salinity on larval tiger salamanders
Brian J. Tornabene, Creagh W Breuner, Erica J Crespi, Blake R. Hossack
2023, Integrative Zoology (18) 27-44
Salinity (sodium chloride, NaCl) from anthropogenic sources is a persistent contaminant that negatively affects freshwater taxa. Amphibians can be susceptible to salinity, but some species are innately or adaptively tolerant. Physiological mechanisms mediating tolerance to salinity are still unclear, but changes in osmoregulatory hormones such as...
Relationship of greater sage-grouse to natural and assisted recovery of key vegetation types following wildfire: Insights from scat
Matthew J. Germino, Christopher R. Anthony, Chad Raymond Kluender, Ethan A. Ellsworth, Ann M. Moser, Cara Applestein, Matthew Fisk
2023, Restoration Ecology (31)
Megafires are creating severe conservation problems worldwide for wildlife that have obligate dependencies on plant species that are foundational but fire-intolerant. Wildfire-induced loss of native perennials and increases in exotic annual grasses threaten greater sage-grouse (GRSG, Centrocercus urophasianus) in its sagebrush steppe habitat in western North America. Post-fire restoration using herbicides,...
The Curiosity Rover’s exploration of Glen Torridon, Gale crater, Mars: An overview of the campaign and scientific results
Kristen A. Bennett, Valerie K. Fox, Alexander Bryk, William E. Dietrich, Christopher M. Fedo, Lauren A. Edgar, Michael T. Thorpe, Amy Williams, Gregory M. Wong, Erwin Dehouck, Amy McAdam, Brad Sutter, Maeva Millan, Steven Banham, Candice C. Bedford, Thomas F. Bristow, Abigail A. Fraeman, Ashwin R. Vasavada, John P. Grotzinger, Lucy Thompson, Catherine O’Connell-Cooper, Patrick J. Gasda, Amanda Rudolph, Robert Sullivan, Ray E. Arvidson, Agnes Cousin, Briony H. N. Horgan, Kathryn M. Stack, Allan H. Treiman, Jennifer Eigenbrode, Gwenael Caravaca
2023, JGR Planets (128)
The Mars Science Laboratory rover, Curiosity, explored the clay mineral-bearing Glen Torridon region for one martian year between January 2019 and January 2021, including a short campaign onto the Greenheugh pediment. The Glen Torridon campaign sought to characterize the geology of the area, seek evidence of habitable environments,...
Beyond glacier-wide mass balances: Parsing seasonal elevation change into spatially resolved patterns of accumulation and ablation at Wolverine Glacier, Alaska
Lucas Zeller, Daniel J McGrath, Louis C. Sass, Shad O'Neel, Christopher J. McNeil, Emily Baker
2023, Journal of Glaciology (69) 87-102
We present spatially distributed seasonal and annual surface mass balances of Wolverine Glacier, Alaska, from 2016 to 2020. Our approach accounts for the effects of ice emergence and firn compaction on surface elevation changes to resolve the spatial patterns in mass balance at 10 m scale. We...
The 180-km-long Meers-Willow Fault System in the Southern Oklahoma Aulacogen: A potential U.S. mid-continent seismic hazard
Brandon F. Chase, Folarin Kolawole, Estella A. Atekwana, Brett M. Carpenter, Molly Turko, Mohamed Abdelsalam, Carol A. Finn
2023, Geological Society of America Bulletin (135) 663-677
We integrate new high-resolution aeromagnetic data with seismic reflection data, well logs, satellite remote sensing, and field observations to provide a regional view of buried and exposed structures in the Southern Oklahoma Aulacogen and to assess their potential for future seismicity. Trends ranging from...
Integrative monitoring strategy for marine and freshwater harmful algal blooms and toxins across the freshwater-to-marine continuum
Meredith D. A. Howard, Jayme Smith, David A. Caron, Raphael Kudela, Keith A. Loftin, Kendra Hayashi, Rich Fadness, Susan Fricke, Jacob Kann, Miranda Roethler, Avery Tatters, Susanna Theroux
2023, Integrated Environmental Assessment and Management (IEAM) (19) 586-604
Many coastal states throughout the USA have observed negative effects in marine and estuarine environments caused by cyanotoxins produced in inland waterbodies that were transported downstream or produced in the estuaries. Estuaries and other downstream receiving waters now face the dual risk of impacts...
Temporal segregation in spawning between native Yellowstone cutthroat trout and introduced rainbow trout
John M. Fennell, William C. Rosenthal, Catherine E. Wagner, Jason C. Burckhardt, Annika W. Walters
2023, Ecology of Freshwater Fish (32) 94-106
Hybridisation with introduced taxa poses a threat to native fish populations. Mechanisms of reproductive isolation can limit or prevent hybridisation between closely related species. Understanding how these mechanisms interact between the same species across geographically distinct occurrences of secondary contact, and how regional factors influence them, can inform our understanding...
Morphology and paleohydrology of intracrater alluvial fans north of Hellas Basin, Mars
Ryan B. Anderson, Rebecca Williams, Amber L. Gullikson, William Nelson
2023, Icarus (394)
Alluvial fans and sinuous ridges are both important records of the history of fluvial activity on Mars, and they often occur together. We present observations of alluvial fans, many of which exhibit inverted relief, in five craters in the region north of Hellas basin. The observed fans ranged in...
Management and environmental factors associated with simulated restoration seeding barriers in sagebrush steppe
Stella M. Copeland, John B. Bradford, Stuart P. Hardegree, Daniel Rodolphe Schlaepfer, Kevin J Badik
2023, Restoration Ecology (31)
Adverse weather conditions, particularly freezing or drought, are often associated with poor seedling establishment following restoration seeding in drylands like the Great Basin sagebrush steppe (USA). Management decisions such as planting date or seed source could improve restoration outcomes by reducing seedling exposure to weather barriers. We simulated the effects...
The dynamic floor of Yellowstone Lake, Wyoming, USA: The last 14 k.y. of hydrothermal explosions, venting, doming, and faulting
Lisa Ann Morgan Morzel, Wayne (Pat) Shanks, Kenneth L. Pierce, Nels Iverson, Christopher Schiller, Sabrina R. Brown, Petra Zahajska, Rosine Cartier, Ron Cash, James Best, Cathy Whitlock, Sherilyn Fritz, William Benzel, Heather A. Lowers, D. A. Lovalvo, J. M. Licciardi
2023, Geological Society of America Bulletin (135) 547-574
Hydrothermal explosions are significant potential hazards in Yellowstone National Park, Wyoming, USA. The northern Yellowstone Lake area hosts the three largest hydrothermal explosion craters known on Earth empowered by the highest heat flow values in Yellowstone and active seismicity and deformation. Geological and geochemical studies of eighteen sublacustrine cores provide...
Experience preferences and place attachment of Minnesota wildlife management area hunters
Kelsie LaSharr, David C. Fulton, L. Cornicelli
2023, Human Dimensions of Wildlife (28) 417-434
Hunters in the United States are motivated to obtain and benefit from diverse experiences or experience preferences. Using a mail survey conducted during the 2015–2016 hunting season, we examined goal-oriented, introspective, and leadership experiences among hunters on Minnesota Department of Natural Resources’ Wildlife Management Area (WMAs). We...
Late Cretaceous time-transgressive onset of Laramide arch exhumation and basin subsidence across northern Arizona−New Mexico, USA, and the role of a dehydrating Farallon flat slab
Jacob Thacker, Karl Karlstrom, Shari Kelley, Ryan S. Crow, Jerry Kendall
2023, GSA Bulletin (135) 389-406
Spatiotemporal constraints for Late Cretaceous tectonism across the Colorado Plateau and southern Rocky Mountains (northern Arizona−New Mexico, USA) are interpreted in regards to Laramide orogenic mechanisms. Onset of Laramide arch development is estimated from cooling recorded in representative thermochronologic samples in a three-step process of initial forward models, secondary HeFTy...
Spatially averaged stratigraphic data to inform watershed sediment routing: An example from the Mid-Atlantic United States
James Pizzuto, Katherine Skalak, Adam Benthem, Shannon A. Mahan, Mahmoud Sherif, Adam Pearson
2023, GSA Bulletin (135) 249-270
New and previously published stratigraphic data define Holocene to present sediment storage time scales for Mid-Atlantic river corridors. Empirical distributions of deposit ages and thicknesses were randomly sampled to create synthetic age-depth records. Deposits predating European settlement accumulated at a (median) rate of 0.06 cm yr−1, range from ∼18,000 to...
Alaskan Yelloweye Rockfish fecundity revealed through an automated egg count and digital imagery method
Donald E. Arthur, Jeffrey A. Falke, Brittany J. Blain-Roth, Trent M. Sutton
2023, North American Journal of Fisheries Management (42) 828-838
Spawning stock biomass (SSB) is often used as an index for reproductive potential (RP) in fisheries stock assessments. This method assumes that mature female biomass is proportional to total egg production and implies that (1) the fecundity–length relationship follows a cubic function or (2)...
Challenges in linking soil health to edge-of-field water quality across the Great Lakes basin
Kevin Fermanich, Molly Meyers, Luke C. Loken, Marianne Bischoff-Gray, Ronald Turco, Karen Stahlhber, Lisa Duriancik, Mathew Dornbush, Matthew J. Komiskey
2023, Journal of Environmental Quality (52) 508-522
To better understand agricultural nutrient losses, we evaluated relationships between management (e.g., manure and tillage), soil health measurements, and resulting edge-of-field (EOF) surface water quality. This work was conducted before or early into conservation implementation at 14 Great Lakes Restoration Initiative EOF sites spanning...
Population connectivity of aquatic insects in a dam-regulated, desert river
Erin F. Abernethy, Jeffrey Muehlbauer, Theodore Kennedy, Katie E. Dziedzic, Holland Elder, Molly K. Burke, David A. Lytle
2023, River Research and Applications (39) 364-374
Humans have exaggerated natural habitat fragmentation, negatively impacting species dispersal and reducing population connectivity. Habitat fragmentation can be especially detrimental in freshwater populations, whose dispersal is already constrained by the river network structure. Aquatic insects, for instance, are generally limited to two primary modes...
Climate and landscape controls on old-growth western juniper demography in the northern Great Basin, USA
Rachel A. Loehman, Emily K. Heyerdahl, Gregory T. Pederson, David B. McWethy
2023, Ecosystems (26) 362-382
Western juniper (Juniperus occidentalis Hook.) woodlands have persisted for millennia in semiarid parts of the northern Great Basin, USA, providing critical habitat for plant and animal species. Historical records suggest that the establishment of western juniper is strongly associated with regional climatic variability. For example, the abundance of western juniper pollen...
2022 Crustal Deformation Modeling Workshop Report
Brad T. Aagaard, Sylvain Barbot, Brittany Erickson, Matthew Knepley, Mark Simons, Charles Williams
2023, Report
The 2022 Crustal Deformation Modeling Workshop was held June 20–24 at the Colorado School of Mines in Golden, Colorado. The workshop included two days of tutorials on the use of the open-source software PyLith for crustal deformation modeling followed by three days of science talks and discussions. The workshop focused...