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Linking community-climate disequilibrium to ecosystem function Linking community-climate disequilibrium to ecosystem function
Turnover in species composition often lags behind the pace of climate change, resulting in mismatches between climate and communities. However, the impact of these community-climate disequilibria on ecosystem functions is rarely considered, and current methods for measuring disequilibria assume that species ranges were, until recently, in equilibrium with climate. Here, we develop a...
Authors
Michael Stemkovski, Michael H. Cortez, Joey R. Bernhardt, Kelvyn K. Bladen, John B. Bradford, Kyra Clark-Wolf, Margaret E.K. Evans, Loretta C. Johnson, Abigail J. Lynch, Melissa A. Pastore, Malin L. Pinsky, Christine R. Rollinson, Oliver Selmoni, Anthony P. Walker, John W. Williams, Peter B. Adler
Per- and polyfluoroalkyl substances (PFAS) and other contaminants of concern in tribal waters of Montana Per- and polyfluoroalkyl substances (PFAS) and other contaminants of concern in tribal waters of Montana
We assessed potential exposures to a broad suite of contaminants (inorganic, organic and microbial) in culturally important surface waters from three watersheds in a northern plains Native American community (Apsáalooke [Crow Tribe of Montana]) in south-central Montana, United States, with water insecurity concerns. Inorganic (37), organic (435) and microbial (3) constituents were...
Authors
Kelly L. Smalling, Paul M. Bradley, Kristin M. Romanok, John T. Doyle, Margaret J. Eggers, Christine Martin, Elliott P. Barnhart, Picabo Binette, Eric M. Castro, Madisan Chavez, Stephanie A. Ewing, Stephanie E. Gordon, Mathew W. Fields, James L. Gray, Ashley M. Groshong, Chiachi Hwang, Leslie K. Kanagy, JoRee WClay LaFrance, Keith A. Loftin, Carrie Mae Long, R. Blaine McCleskey, Shannon M. Meppelink, Crystal L. Richards, Molly L. Schreiner, Jonathan I. Shikany, Mahelat Tesfamariam
Surface variable‐based machine learning for scalable arsenic prediction in undersampled areas Surface variable‐based machine learning for scalable arsenic prediction in undersampled areas
In the United States, private wells are not federally regulated, and many households do not test for Arsenic (As). Chronic exposure is linked with multiple health outcomes, and risk can change sharply over short distances and with well depth. Coarse maps or sparse sampling often miss exceedances. Most existing models operate at ∼1 km resolution and use groundwater chemistry or detailed...
Authors
Shams Azad, Mason O. Stahl, Melinda L. Erickson, Beck A. DeYoung, Craig T. Connolly, Lawrence Chillrud, Kathrin Schilling, Ana Navas-Acien, Anirban Basu, Brian Mailloux, Benjamin C. Bostick, Steven N. Chillrud
Waterfowl move less in heterogeneous and human-populated landscapes, with implications for spread of avian influenza viruses Waterfowl move less in heterogeneous and human-populated landscapes, with implications for spread of avian influenza viruses
Animal movements contribute to the spread of infectious diseases and are driven in part by environmental conditions. We investigated the links among the environment, animal movement, and infectious disease dynamics in waterfowl, which are among the primary wildlife hosts of avian influenza viruses. By combining telemetry data on 4606 individuals from 26 waterfowl species with data on...
Authors
Claire Stewart Teitelbaum, Diann J. Prosser, Joshua T. Ackerman, Sakib Ahmed, A.B.M. Sarowar Alam, Kazi Zenifar Azmiri, Nyambaya Batbayar, Joël Bêty, Abigail Blake-Bradshaw, Dmitrijs Boiko, Nelleke H. Buitendijk, Jeffrey J. Buler, David Cabot, Michael L. Casazza, Bradley S. Cohen, Batmunkh Davaasuren, Sébastien Farau, Jamie Feddersen, John R. Fieberg, Wolfgang Fiedler, Peter Glazov, Larry R. Griffin, Matthieu Guillemain, Heath Hagy, Matthew J. Hardy, Cory Highway, David Hoffman, Tehan Kang, Allison Keever, Jennifer Kilburn, Andrea Kölzsch, Helmut Kruckenberg, Toni Laaksonen, Brian S. Ladman, Hansoo Lee, Siwan Lee, Josée Lefebvre, Pierre Legagneux, Hans Linssen, Jesper Madsen, Nicholas M. Masto, Scott R. McWilliams, Tori Mezebish Quinn, Carl P.J. Mitchell, Axelle Moreau, Gerhard Müskens, Scott Newman, Bart A. Nolet, Rascha J.M. Nuijten, Jay Osenkowski, Cory T. Overton, Antti Piironen, Betty Plaquin, Andrew M. Ramey, Jean Rodrigue, David Rodrigues, Kees H.T. Schreven, Yali Si, Jeffery D. Sullivan, John Takekawa, Philippe J. Thomas, Mariëlle van Toor, Jonas Waldenström, Christopher K. Williams, David W. Wolfson, Fei Xu, Ian G. Brosnan, Susan E.W. De La Cruz
Assessing the influence of conservation implementation on water quality during surface runoff events at edge-of-field monitoring sites located in the Laurentian Great Lakes basin Assessing the influence of conservation implementation on water quality during surface runoff events at edge-of-field monitoring sites located in the Laurentian Great Lakes basin
The Laurentian Great Lakes are a vital freshwater resource in the United States, and nonpoint source (NPS) nutrient pollution, specifically phosphorus (P) and nitrogen (N), from agricultural land use continues to negatively impact water quality throughout the Great Lakes basin. One focus of the Great Lakes Restoration Initiative (GLRI), a mechanism to coordinate conservation efforts in...
Authors
Brittany R. Hanrahan, Matthew W. Diebel, Rebecca B. Carvin, Edward G. Dobrowolski, Matthew John Hardebeck, Andrew Jason Kowalczk, Chad A. Toussant, Matthew J. Komiskey
Strength of depensation not influenced by fish population productivity Strength of depensation not influenced by fish population productivity
A long-held assumption in the management of exploited fisheries is that fish populations will compensate with increased recruit survival to replenish the population when adult stock size is reduced through harvest. Observations of depensatory recruitment (reduced recruit survival at low adult stock size) and critical depensatory thresholds have challenged the compensation assumption...
Authors
Greg S. Sass, Joesph T. Mrnak, Stephanie L Shaw, Zachary S. Feiner, Colin J. Dassow, Andrew L. Rypel, Holly Susan Embke
The development of long-term mean annual total nitrogen and total phosphorus load models for Mississippi, U.S., using RSPARROW The development of long-term mean annual total nitrogen and total phosphorus load models for Mississippi, U.S., using RSPARROW
Water-quality degradation from nutrient pollution remains a major challenge for resource managers. Developing effective strategies requires tools to characterize nutrient sources and transport. This study used the RSPARROW framework to develop and assess new, smaller-scale models for Total Nitrogen (TN) and Total Phosphorus (TP) transport across Mississippi (MS). These state-level models...
Authors
Victor L. Roland, Emily Gain, Matthew B. Hicks
Fish introductions related to strong and diversifying effects on zooplankton assemblages in high-elevation mountain lakes Fish introductions related to strong and diversifying effects on zooplankton assemblages in high-elevation mountain lakes
Freshwater environments are threatened by multiple anthropogenic stressors. High-elevation mountain lakes are particularly vulnerable to introduced nonnative fish and nutrient deposition because they were historically fishless and typically oligotrophic. To understand the potential effects of fish introduction and nutrient levels on high-elevation lake ecosystems, we assessed differences...
Authors
Lindsey J. Boyle, Catherine E. Wagner, Annika W. Walters, Amy C. Krist
Mountain goat declines in a protected, interior, native population Mountain goat declines in a protected, interior, native population
A shifting climate poses threats to alpine-adapted species including mountain goats. We used long-term (12 years) citizen science monitoring data and Bayesian N-mixture modeling to estimate population trends and drivers of population metrics among mountain goats in Glacier National Park (GNP). Median goats per site (n = 37 sites) declined by 45% (95% credible interval [CRI] = 32%, 57%)...
Authors
Tabitha A. Graves, William Michael Janousek, Michael Yarnall, Jami Belt
Reconstructing Great Lakes air temperature and ice dynamics data back to 1897 Reconstructing Great Lakes air temperature and ice dynamics data back to 1897
Ice cover on the Great Lakes plays an important role in regional climate, supports tourism and recreation, and provides ecological habitat. As the climate warms, ice cover in the Great Lakes is expected to decline, which in turn will create more lake effect precipitation, reduce ice cover for recreation, and alter habitat for aquatic species. While it is important to understand the...
Authors
Katelyn King, Ayumi Fujisaki-Manome, Cory O. Brant, Danielle Cohn, Inigo Peng, Karen M. Alofs
Miocene evolution of the Humboldt Current Miocene evolution of the Humboldt Current
Diatom records from the East Pisco Basin (EPB) of southern Peru and offshore Ocean Drilling Program (ODP) Hole 682 A reveal stepwise increases in the primary productivity of the Humboldt Current during the middle and late Miocene. Although diatoms are present back through the late middle Eocene, successively enhanced diatom production occurs during the Miocene in four steps. The first...
Authors
John A. Barron, Thomas J. DeVries, Jason J. Coenen
Best practice guidelines for targeted environmental DNA-based proficiency testing in non-regulatory contexts Best practice guidelines for targeted environmental DNA-based proficiency testing in non-regulatory contexts
The effective use of environmental DNA (eDNA) tools is contingent on strict adherence to established and validated methods. Differences in eDNA methods and quality assurance protocols may contribute to variability in results. However, quality assurance measures such as proficiency testing can provide independent evaluation of laboratory performance against pre-established test criteria...
Authors
Margaret Hunter, Adam Sepulveda, Dianne M. Gleeson, Alejandro Trujillo-Gonzalez, Caren C. Helbing, Helen C. Rees, Devin Nicole Jones-Slobodian, Rachel C. Miliano, Toshifumi Minamoto, Susanna Theroux, Cecilia Villacorta Rath, Taylor Wilcox, Hiroki Yamanaka, Katy E. Klymus