Sharing land via keystone structure: Retaining naturally regenerated trees may efficiently benefit birds in plantations
Yuichi Yamaura, Akira Unno, Andy Royle
2023, Ecological Applications (33)
Meeting food/wood demands with increasing human population and per-capita consumption is a pressing conservation issue, and is often framed as a choice between land sparing and land sharing. Although most empirical studies comparing the efficacy of land sparing and sharing supported land sparing, land sharing may be more efficient if...
Hydrologic and landscape controls on dissolved organic matter composition across western North American Arctic lakes
Martin R. Kurek, Fenix Garcia-Tigreros, Kimberly Wickland, Karen E. Frey, Mark Dornblaser, Robert G. Striegl, Sydney F. Niles, Amy M. McKenna, Pieter J.K Aukes, Ethan D. Kyzivat, Chao Wang, Tamlin M. Pavelsky, Laurence C. Smith, Sherry L. Schiff, David Butman, Robert G.M. Spencer
2023, Global Biogeochemical Cycles (37)
Northern high-latitude lakes are hotspots for cycling dissolved organic carbon (DOC) inputs from allochthonous sources to the atmosphere. However, the spatial distribution of lake dissolved organic matter (DOM) is largely unknown across Arctic-boreal regions with respect to the surrounding landscape. We expand on regional studies of northern...
A genetic warning system for a hierarchically structured wildlife monitoring framework
Shawna J Zimmerman, Cameron L. Aldridge, Michael S. O’Donnell, David R. Edmunds, Peter S. Coates, Brian G. Prochazka, Jennifer A. Fike, Todd B. Cross, Bradley C. Fedy, Sara J. Oyler-McCance
2023, Ecological Applications (33)
Genetic variation is a well-known indicator of population fitness yet is not typically included in monitoring programs for sensitive species. Additionally, most programs monitor populations at one scale, which can lead to potential mismatches with ecological processes critical to species' conservation. Recently developed methods...
Comparison of two estrogen chemically activated luciferase expression cell bioassays to liquid chromatography–mass spectrometry for quantifying estrone in water samples
Jennifer C. Brennan, Abigail Henke, Robert Gale, Diane K. Nicks, Donald Tillitt
2023, Environmental Toxicology and Chemistry (42) 333-339
Chemically activated luciferase expression (CALUX) cell bioassays are popular tools for assessing endocrine activity of chemicals such as certain environmental contaminants. Although activity equivalents can be obtained from CALUX analysis, directly comparing these equivalents to those obtained from analytical chemistry methods can be problematic because of...
Habitat connectivity and host relatedness influence virus spread across an urbanising landscape in a fragmentation-sensitive carnivore
Christopher P. Kozakiewicz, Christopher P. Burridge, Justin S. Lee, Simona J Kraberger, Nicholas M Fountain-Jones, Robert N. Fisher, Lisa M. Lyren, Megan K. Jennings, Seth P.D. Riley, Laurel E K Serieys, Meggan E. Craft, W Chris Funk, Kevin R. Crooks, Sue VandeWoude, Scott Carver
2023, Virus Evolution (9)
Spatially heterogeneous landscape factors such as urbanisation can have substantial effects on the severity and spread of wildlife diseases. However, research linking patterns of pathogen transmission to landscape features remains rare. Using a combination of phylogeographic and machine learning approaches, we tested the influence of landscape and host factors...
Estimating phosphorus retention capacity of flow-through wetlands
Song S. Qian, Kristi K. Arend, Stephen J Jacquemin, S. Mazeika Patricio Sullivan, Kurt P. Kowalski
2023, Ecological Engineering (187)
A Bayesian hierarchical modeling approach is introduced to pool data properly from multiple flow-through wetlands to estimate wetland-specific long-term phosphorus retention capacity. By pooling data from multiple wetlands, we overcome the difficulties in estimating the effectiveness of using constructed and...
Validation of earthquake ground-motion models in southern California, USA, using precariously balanced rocks
Anna H. Rood, Dylan Rood, Greg Balco, Peter J. Stafford, Lisa Grant Ludwig, Katherine J. Kendrick, Klaus Wilcken
2023, GSA Bulletin (135) 2179-2199
Accurate estimates of earthquake ground shaking rely on uncertain ground-motion models derived from limited instrumental recordings of historical earthquakes. A critical issue is that there is currently no method to empirically validate the resultant ground-motion estimates of these models at the timescale of rare, large earthquakes; this lack of validation...
Cryptic declines of small, cold-water specialists highlight potential vulnerabilities of headwater streams as climate refugia
Blake R. Hossack, Michael LeMoine, Emily Oja, Lisa A Eby
2023, Biological Conservation (227)
Increasing temperatures and climate-driven disturbances like wildfire are a growing threat to many species, including cold-water specialists. Montane areas and cold streams are often considered climate refugia that buffer communities against change. However, climate refugia are often species-specific, and despite growing...
Book review: Quasispecies as a unifying concept in population dynamics
Don DeAngelis
2023, Mathematical Biosciences (355)
The quasispecies concept had two independent origins. One source was the theoretical ideas of Manfred Eigen and Peter Schuster in the 1970s. Studying the self-organization and evolution of primitive RNA molecules, they defined quasispecies as a distribution of mutant viral genomes generated by the mutation-selection process. In particular, the quasispecies...
Five year analyses of vegetation response to restoration using rock detention structures in southeastern Arizona, United States
Natalie R. Wilson, Laura M. Norman
2023, Environmental Management (71) 921-939
Rock detention structures (RDS) are used in restoration of riparian areas around the world. The purpose of this study was to analyze the effect of RDS installation on vegetation in terms of species abundance and composition. We present the results from 5 years of annual vegetation...
Wetland occupancy by duck broods in cropland-dominated landscapes of the United States Prairie Pothole Region
Blake J Mitchell, Catrina V Terry, Kevin M Ringelman, Kaylan M Kemink, Michael J. Anteau, Adam K. Janke
2023, Journal of Wildlife Management (87)
The Prairie Pothole Region (PPR) is globally important for breeding waterfowl but has been altered via wetland drainage and grassland conversion to accommodate agricultural land use. Thus, understanding the ecology of waterfowl in these highly modified landscapes is essential for their conservation. Brood occurrence is the...
Bottled water contaminant exposures and potential human effects
Paul M. Bradley, Kristin M. Romanok, Kelly L. Smalling, Michael J. Focazio, Nicola Evans, Suzanne C. Fitzpatrick, Carrie E. Givens, Stephanie E. Gordon, James L. Gray, Emily M. Green, Dale W. Griffin, Michelle L. Hladik, Leslie K. Kanagy, John T. Lisle, Keith A. Loftin, R. Blaine McCleskey, Elizabeth Medlock-Kakaley, Ana Navas-Acien, David A. Roth, Paul F. South, Christopher P. Weis
2023, Environment International (171)
Bottled water (BW) consumption in the United States and globally has increased amidst heightened concern about environmental contaminant exposures and health risks in drinking water supplies, despite a paucity of directly comparable, environmentally-relevant contaminant exposure data for BW. This study provides insight into exposures and cumulative risks to...
Declines in reproductive condition of male largemouth bass (Micropterus salmoides) following seasonal exposure to estrogenic endocrine-disrupting compounds
Jessica Kristin Leet, Cathy A. Richter, Robert Gale, Donald E. Tillitt, Jill Jenkins
2023, International Journal of Molecular Sciences (23)
Reproductive abnormalities, that could lead to possible effects at the population level, have been observed in wild fish throughout the United States, with high prevalence in largemouth bass (LMB; Micropterus salmoides) and smallmouth bass (Micropterus dolomieu). Estrone (E1) and atrazine (ATR) are common environmental contaminants often associated with...
Lava-ice interactions during historical eruptions of Veniaminof Volcano, Alaska and the potential for meltwater floods and lahars
Christopher F. Waythomas, Benjamin R Edwards, Thomas P Miller, Robert G. McGimsey
2023, Natural Hazards (115) 73-106
Veniaminof Volcano on the Alaska Peninsula of southwest Alaska is one of a small group of ice-clad volcanoes globally that erupts lava flows in the presence of glacier ice. Here, we describe the nature of lava-ice-snow interactions that have occurred during historical eruptions of the volcano since 1944. Lava flows...
Genetic architecture and evolution of color variation in American black bears
E. Puckett, I. S. Davis, D. C. Harper, K. Wakamatsu, G. Battu, J. L. Belant, D. E. Beyer, C. Carpenter, A. P. Crupi, M. Davidson, C. S. DePerno, N. Forman, N. L. Fowler, D. L. Garshelis, N. Gould, K. Gunther, Mark A. Haroldson, S. Ito, David. M Kocka, C. Lackey, R. Leahy, C. Lee-Roney, T. Lewis, A. Lutto, K. McGowan, C. Olfenbuttel, M. Orlando, A. Platt, M. D. Pollard, M. Ramaker, Heather Reich, Jaime L. Sajecki, S. K. Sell, J. Strules, S. Thompson, Frank T. van Manen, Craig Whitman, R. Williamson, F. Winslow, C. B. Kaelin, M. S. Marks, G. S. Barsh
2023, Current Biology (33) 86-97
Color variation is a frequent evolutionary substrate for camouflage in small mammals, but the underlying genetics and evolutionary forces that drive color variation in natural populations of large mammals are mostly unexplained. The American black bear, Ursus americanus (U. americanus), exhibits a range of colors including the cinnamon morph, which has a similar...
Spatial and temporal distribution of sinuous ridges in southeastern Terra Sabaea and the northern region of Hellas Planitia, Mars
Amber L. Gullikson, Ryan B. Anderson, Rebecca M.E. Williams
2023, Icarus (394)
Sinuous ridges are an important yet understudied component of Mars' hydrologic history. We have produced a map of sinuous ridges, valleys and channels, and tectonic ridges across southeastern Terra Sabaea and into northern Hellas Planitia (10°-45° S, 35°-80° E) using a CTX mosaic. Although we mapped different types of...
Effects of structure and volcanic stratigraphy on groundwater and surface water flow: Hat Creek basin, California, USA
Marina Francesca Marcelli, Erick R. Burns, L.J. Patrick Muffler, Andrew J Meigs, Jennifer A. Curtis, Christian E. Torgersen
2023, Hydrogeology Journal (31) 219-240
Hydrogeologic systems in the southern Cascade Range in California (USA) develop in volcanic rocks where morphology, stratigraphy, extensional structures, and attendant basin geometry play a central role in groundwater flow paths, groundwater/surface-water interactions, and spring discharge locations. High-volume springs (greater than 3 m3/s) flow from basin-filling...
Disentangling direct and indirect effects of extreme events on coastal wetland communities
Courtney L. Davis, Susan E. Walls, William J. Barichivich, Mary Brown, David A.W. Miller
2023, Journal of Animal Ecology (92)
One of the primary ways in which climate change will impact coastal freshwater wetlands is through changes in the frequency, intensity, timing and distribution of extreme weather events. Disentangling the direct and indirect mechanisms of population- and community-level responses to extreme events is vital to predicting how species composition...
Understanding and modeling tephra transport: Lessons learned from the 18 May 1980 eruption of Mount St. Helens
Larry G. Mastin, Steven Carey, Alexa R. Van Eaton, Julia Eychenne, Russell Sparks
2023, Bulletin of Volcanology (85)
Discoveries made during the 18 May 1980 eruption of Mount St. Helens advanced our understanding of tephra transport and deposition in fundamental ways. The eruption enabled detailed, quantitative observations of downwind cloud movement and particle sedimentation, along with the dynamics of co-pyroclastic-density current (PDC) clouds lofted...
Habitat utilization, demography, and behavioral observations of the squat lobster, Eumunida picta (Crustacea: Anomura: Eumunididae), on western North Atlantic deep-water coral habitats
Martha S. Nizinski, Jennifer McClain Counts, Steve W. Ross
2023, Deep-Sea Research Part II: Topical Studies in Oceanography (193)
Deep-sea coral habitats, comprising mostly Lophelia pertusa (Linnaeus 1758), are well developed on the upper and middle continental slope off the southeastern United States (SEUS). These habitats support a diverse and abundant invertebrate fauna, yet ecology and biology of most of these species are poorly known. Ten cruises conducted off the SEUS...
Tracking fish lifetime exposure to mercury using eye lenses
Hadis Miraly, N. Roxanna Razavi, Annabelle Vogl, Richard Kraus, Ann Marie Gorman, Karin Limburg
2023, Environmental Science and Technology (10) 222-227
Mercury (Hg) uptake in fish is affected by diet, growth, and environmental factors such as primary productivity or oxygen regimes. Traditionally, fish Hg exposure is assessed using muscle tissue or whole fish, reflecting both loss and uptake processes that result in Hg bioaccumulation over entire lifetimes. Tracking changes in Hg...
A large new crater exposes the limits of water ice on Mars
Colin M. Dundas, Michael T. Mellon, Liliya V Posiolova, Katarina Miljkovic, Gareth S Collins, Livio L. Tornabene, Vidhya Ganesh Rangarajan, Matthew P. Golombek, Nicholas H. Warner, Ingrid J. Daubar, Shane Byrne, Alfred S. McEwen, Kimberly D. Seelos, Donna Viola, Ali M Bramson, Gunnar Speth
2023, Geophysical Research Letters (50)
Water ice in the Martian mid-latitudes has advanced and retreated in response to variations in the planet's orbit, obliquity, and climate. A 150 m-diameter new impact crater near 35°N provides the lowest-latitude impact exposure of subsurface ice on Mars. This is the largest known ice-exposing crater and provides key constraints on...
Seasonal resource selection and movement ecology of free-ranging horses in the western United States
Kathryn A. Schoenecker, Saeideh Esmaelli, Sarah R. B. King
2023, Journal of Wildlife Management (87)
Understanding factors driving resource selection and habitat use of different species is an important component of management and conservation. Feral horses (Equus caballus) are free ranging across various vegetation types in the western United States, yet few studies have quantified their resource selection and...
Quantifying connectivity and its effects on sediment budgeting for an agricultural basin, Chesapeake Bay Watershed, United States
Zachary J. Clifton, Allen C. Gellis, Matthew J. Cashman, Michelle P. Katoski, Lucas A Nibert, Gregory E. Noe
2023, Hydrological Processes (36)
Excessive sediment runoff as a result of anthropogenic activities is a major concern for watershed ecologic health. This study sought to determine the sources, storage, and delivery of sediment using a sediment budget approach for the predominantly pasture and forested Smith Creek watershed, Virginia United States,...
A complex record of last interglacial sea-level history and paleozoogeography, Santa Rosa Island, Channel Islands National Park, California, USA
Daniel R. Muhs, Lindsey T. Groves, Kathleen R. Simmons, R. Randall Schumann, Scott A. Minor
2023, Palaeogeography, Palaeoclimatology, Palaeoecology (610)
Studies of marine terraces and their fossils can yield important information about sea level history, tectonic uplift rates, and paleozoogeography, but some aspects of terrace history, particularly with regard to their fossil record, are not clearly understood. Marine terraces are well...
