12 Works

Data from: Near-infrared spectroscopy aids ecological restoration by classifying variation of taxonomy and phenology of a native shrub

Brecken Robb, Peter Olsoy, Jessica Mitchell, T. Trevor Caughlin, Donna Delparte, Stephanie Galla, Marcella R. Fremgen-Tarantino, Jordan D. Nobler, Janet Rachlow, Lisa A. Shipley & Jennifer Sorensen Forbey

Megafruit and megafauna diversity are positively associated, while megafruit traits are related to abiotic factors, in Tropical Asia

Kim McConkey, Ahimsa Campos-Arceiz, Richard Corlett, Sushma H. S., Lisa Ong & Jedediah Brodie
Aim For tens of millions of years, herbivorous megafauna were abundant across the globe, fulfilling important ecological roles including seed dispersal. Megafruits are very large fruits that are dispersed most effectively by megafauna. However, megafruits also occur in ecosystems where megafauna are extinct or were never present, emphasizing our incomplete understanding of megafauna-megafruit relationships. Here we use the complex biogeography of tropical Asia to investigate how megafruit diversity and traits are associated with the diversity...

Data from: Predicting multi-predator risk to elk (Cervus canadensis) in summer using predator scats

Kara MacAulay, Eric Spilker, Jodi Berg, Mark Hebblewhite & Evelyn Merrill
1. There is growing evidence that prey perceive the risk of predation and alter their behaviour in response, resulting in changes in spatial distribution and potential fitness consequences. Previous approaches to mapping predation risk across a landscape quantify predator space use to estimate potential predator-prey encounters, yet this approach does not account for successful predator attack resulting in prey mortality. An exception is a prey kill site that reflects an encounter resulting in mortality, but...

Demographic data collection in STEM organizations

Nicholas Burnett, Alyssa Hernandez, Emily King, Richelle Tanner & Kathryn Wilsterman
Professional organizations in STEM (science, technology, engineering, and mathematics) can use demographic data to quantify recruitment and retention (R&R) of underrepresented groups within their memberships. However, variation in the types of demographic data collected can influence the targeting and perceived impacts of R&R efforts - e.g., giving false signals of R&R for some groups. We obtained demographic surveys from 73 U.S.-affiliated STEM organizations, collectively representing 712,000 members and conference-attendees. We found large differences in the...

Proximate and evolutionary sources of variation in offspring energy expenditure in songbirds

Adam Mitchell, Blair Wolf & Thomas Martin
Aim: Understanding variation in offspring energy expenditure is important because energy is critical for growth and development. Weather may exert proximate effects on offspring energy expenditure, but in altricial species these might be masked by parental care and huddling with siblings. Such effects are particularly important to understand given changing global weather patterns, yet studies of wild offspring in the presence of parental care are lacking. Offspring energy expenditure may also vary among species due...

Species provenance and traits mediate establishment and performance in an invaded grassland

Lachlan Charles, John Maron & Loralee Larios
In many invaded grasslands, dominant exotic species can produce large amounts of litter that modify local abiotic conditions and species’ interactions. These novel conditions can reduce native species abundance and promote the persistence of exotic species, yet the strength of this disparity may be influenced by how consumer pressure interacts with litter accumulation. Consumers may exacerbate this disparity by preferentially targeting native species or by promoting heterogeneity in microhabitats due to their movement and small-scale...

Dynamic sensitivity to resource availability influences population responses to mismatches in a shorebird

Luke Wilde, Josiah Simmons, Rose Swift & Nathan Senner
Climate change has caused shifts in seasonally recurring biological events leading to the temporal decoupling of consumer-resource pairs – i.e., phenological mismatching. Although mismatches often affect individual fitness, they do not invariably scale up to affect populations, making it difficult to assess the risk they pose. Individual variation may contribute to this inconsistency, with changes in resource availability and consumer needs leading mismatches to have different outcomes over time. Nevertheless, most models estimate a consumer’s...

Wildfire extends the shelf-life of elk nutritional resources regardless of fire severity

Lauren Snobl, Kelly Proffitt & Joshua Millspaugh
Large-scale, high severity wildfires are increasingly frequent across the western United States. Fire severity affects the amount of vegetation removed and helps dictate what, where, and how many plants regenerate postfire, potentially altering the available habitat and nutritional landscape for wildlife. To evaluate the effects of fire severity on summer nutritional resources for elk (Cervus canadensis), we collected field data and remotely sensed information in years two and three after a large-scale wildfire to compare...

Non-invasive monitoring of multiple wildlife health factors by fecal microbiome analysis

Samuel Pannoni, William Holben & Kelly Proffitt
Fecal microbial biomarkers represent a less invasive alternative for acquiring information on wildlife populations than many traditional sampling methodologies. Our goal was to evaluate linkages between fecal microbiome communities in Rocky Mountain elk (Cervus canadensis) and four host factors including sex, age, population, and physical condition (body-fat). We paired a feature-selection algorithm with an LDA-classifier trained on elk differential bacterial abundance (16S-rRNA amplicon survey) to predict host health factors from 104 elk microbiomes across four...

Climate change and lithium mining influence flamingo abundance in the Lithium Triangle

Jorge Gutiérrez, Johnnie Moore, Patrick Donnelli, Cristina Dorador, Juan Navedo & Nathan Senner
The development of technologies to slow climate change has been identified as a global imperative. Nonetheless, such ‘green’ technologies can potentially have negative impacts on biodiversity. We explored how climate change and the mining of lithium for green technologies influence surface water availability, primary productivity, and the abundance of three threatened and economically important flamingo species in the ‘Lithium Triangle’ of the Chilean Andes. We combined climate and primary productivity data with remotely sensed measures...

Gene conversion facilitates the adaptive evolution of self-resistance in highly toxic newts

Kerry Gendreau, Joel McGlothlin, Angela Hornsby & Michael Hague
Reconstructing the histories of complex adaptations and identifying the evolutionary mechanisms underlying their origins are two of the primary goals of evolutionary biology. Taricha newts, which contain high concentrations of the deadly toxin tetrodotoxin (TTX) as an antipredator defense, have evolved resistance to self-intoxication, which is a complex adaptation requiring changes in six paralogs of the voltage-gated sodium channel (Nav) gene family, the physiological target of TTX. Here, we reconstruct the origins of TTX self-resistance...

Population genomic consequences of life history and mating system adaptation to a geothermal soil mosaic in yellow monkeyflowers (common garden phenotype data)

Lila Fishman, Kory Kolis, Colette Berg & Thomas Nelson
Local selection can promote phenotypic divergence despite gene flow across habitat mosaics, but adaptation itself may generate substantial barriers to genetic exchange. In plants, life-history, phenology, and mating system divergence have been proposed to promote genetic differentiation in sympatry. In this study, we investigate phenotypic and genetic variation in Mimulus guttatus (yellow monkeyflowers) across a geothermal soil mosaic in Yellowstone National Park (YNP). Plants from thermal annual and nonthermal perennial habitats were heritably differentiated for...

Registration Year

  • 2022
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Affiliations

  • University of Montana
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  • University of Extremadura
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  • Salim Ali Center for Ornithology and Natural History
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  • Austral University of Chile
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