2,975 Works

Data for: Wolves make roadways safer, generating large economic returns to predator conservation

Jennifer Raynor, Corbett Grainger & Dominic Parker
This dataset includes information on deer-vehicle collisions, vehicle miles traveled, weather, and deer, wolf, and human populations, for counties in Wisconsin from 1981-2016.

Phased, chromosome-scale genome assemblies of tetraploid potato reveals a complex genome, transcriptome, and predicted proteome landscape underpinning genetic diversity

Genevieve Hoopes, Xiaoxi Meng, John P. Hamilton, Sai Reddy Achakkagari, Fernanda De Alves Freitas Guesdes, Marie E. Bolger, Joseph J. Coombs, Danny Esselink, Natalie R. Kaiser, Linda Kodde, Maria Kyriakidou, Brian Lavrijssen, Natascha Van Lieshout, Rachel Shereda, Heather K. Tuttle, Brieanne Vaillancourt, Joshua C. Wood, Jan M. De Boer, Nolan Bornowski, Peter Bourke, David Douches, Herman J. Van Eck, Dave Ellis, Max J. Feldman, Kyle M. Gardner … & Richard Finkers
Hoopes G., Meng X., Hamilton J.P., Achakkagari S.R., de Alves Freitas Guesdes F., Bolger M.E., Coombs J.J., Esselink D., Kaiser N.R., Kodde L., Kyriakidou M., Lavrijssen B., van Lieshout N., Shereda R., Tuttle H.K., Vaillancourt B., Wood J.C., de Boer J.M., Bornowski N., Bourke P., Douches D., van Eck H.J., Ellis D., Feldman M.J., Gardner K.M., Hopman J.C.P., Jiang J., De Jong W.S., Kuhl J.C., Novy R.G., Oome S., Sathuvalli V., Tan E.H., Ursum R.A.,...

Data from: Intraspecific correlations between growth and defense vary with resource availability and differ within- and among-populations

Philip Hahn, Ken Keefover-Ring, Linh Nguyen & John Maron
A paradigm in the plant defense literature is that defending against herbivores comes at a cost to growth, resulting in a growth-defense tradeoff. However, while there is strong evidence for growth-defense tradeoffs across species, evidence is mixed within species. Several mechanisms can account for this equivocal support within species, but teasing them apart requires examining growth-defense relationships both within and among populations, an approach seldom employed. We examined correlations between plant biomass (growth) and terpene...

Evidence for niche conservatism in alpine beetles under a climate-driven species pump model

Jillian Schat, Yi-Ming Weng, Roman Dudko, David Kavanaugh, Lan Luo & Sean Schoville
Aim Past glacial climate cycles have generated lineage diversity in alpine habitats, acting as a climate-driven species pump. It is not clear how much this process contributes to ecological diversification of alpine species. To examine this problem, we test patterns of genetic and phenotypic divergence in two co-distributed species complexes of flightless alpine ground beetles. Greater differentiation in ecologically-important functional traits would indicate that ecological selection is an outcome of oscillating climate change, whereas greater...

Demographic history shapes genomic ancestry in hybrid zones

Megan Frayer & Bret Payseur
Demographic factors such as migration rate and population size can impede or facilitate speciation. In hybrid zones, reproductive boundaries between species are tested and demography mediates the opportunity for admixture between lineages that are partially isolated. Genomic ancestry is a powerful tool for revealing the history of admixed populations, but models and methods based on local ancestry are rarely applied to structured hybrid zones. To understand the effects of demography on ancestry in hybrids zones,...

Non-human primate white matter development during the first year of life as assessed by diffusion tensor imaging and quantitative relaxometry

Nakul Aggarwal, Jason Moody, Douglas Dean, Do Tromp, Steve Kecskemeti, Jonathan Oler, Andrew Alexander & Ned Kalin
In this project, we use diffusion tensor imaging (DTI) and quantitative relaxometry (QR) metrics to assess longitudinal changes in white matter (WM) throughout the postnatal rhesus macaque brain across the first year of life. DTI and QR metrics are measured at 3, 7, 13, 25, and 53 weeks of age in each of 35 non-human primates (NHPs) in this sample, for a total 175 datapoints (i.e., scans). Leveraging a previously published NHP WM atlas (Adluru...

Body size, trophic position, and the coupling of different energy pathways across a saltmarsh landscape

Friedrich Keppeler, Jill Olin, Paola López-Duarte, Michael Polito, Linda Hooper-Bùi, Sabrina Taylor, Nancy Rabalais, F Joel Fodrie, Brian Roberts, R Eugene Turner, Charles Martin & Olaf Jensen
Here, we listed the bulk stable isotope values (δ13C and δ15N) and body size measurements of organisms that were analyzed in the manuscript "Body size, trophic position, and the coupling of different energy pathways across a saltmarsh landscape", published in Limnology and Oceanography Letters. Our dataset is a compilation of samplings obtained by the Southern Louisiana marsh food webs project within the Coastal Waters Consortium (CWC) II (Lopez-Duarte et al. 2017a [https://doi.org/10.7266/N7XS5SGD], Lopez-Duarte et al....

Data for: Perceived risk structures the space use of competing carnivores

Mauriel Rodriguez Curras, Emiliano Donadio, Arthur Middleton & Jonathan Pauli
Competition structures ecological communities. In carnivorans, competitive interactions are disproportionately costly to subordinate carnivores who must account for risk of interspecific killing when foraging. Accordingly, missed opportunity costs for meso-carnivores imposed by risk can benefit the smallest-bodied competitors. However, the extent to which the risk perpetuates into spatial partitioning in hierarchically structured communities remains unknown. To determine how risk-avoidance behaviors shape the space-use of carnivore communities, we studied a simple community of carnivores in northern...

Data and code for: Plastic and quantitative genetic divergence mirror environmental gradients among wild, fragmented populations of Impatiens capensis

Rachel Toczydlowski & Donald Waller
This repository contains all of the raw data and code for the paper: Toczydlowski, R. H., and Waller, D. M. 2021. Plastic and quantitative genetic divergence mirror environmental gradients among wild, fragmented populations of Impatiens capensis. American Journal of Botany, ja. Premise of the study: Habitat fragmentation generates molecular genetic divergence among isolated populations but few studies have assessed phenotypic divergence and fitness in populations where the genetic consequences of habitat fragmentation are known. Phenotypic...

Species and foliar biochemical trait maps for Blackhawk Island, Wisconsin May-October 2018

Adam Chlus & Philip Townsend
Foliar biochemical traits are important indicators of ecosystem functioning and health that are impractical to characterize at large spatial and temporal scales using traditional measurements. However, comprehensive inventories of foliar traits are important for understanding ecosystem responses to anthropogenic and natural disturbances, as inputs into ecosystem process models, and for quantifying spatial variation in functional diversity. Imaging spectroscopy has been demonstrated as a valuable tool for developing maps of ecologically important foliar traits at large...

β-cell-specific deletion of Zfp148 improves nutrient-stimulated β-cell Ca2+ responses

Christopher Emfinger, Alan Attie, Matthew Merrins, Eleonora De Klerk, Matthias Hebrok, Richard Kibbey, Rebecca Cardone, Kathryn Schueler, Mary Rabaglia, Shane Simonett, Donnie Stapleton, Kelly Mitok, Sophie Lewandowski, Ziyue Wang, Christina Kendziorski, Mark Keller, Hannah Foster, Stephen Gygi, Xinyue Liu, Joao Paulo, Qinq Yu & José Perales
Insulin secretion from pancreatic β-cells is essential for glucose homeostasis. An insufficient response to the demand for insulin results in diabetes. We previously showed that β-cell-specific deletion of Zfp148 (β-Zfp148KO) improves glucose tolerance and insulin secretion in mice. Here, we performed Ca2+ imaging of islets from β‑Zfp148KO and control mice on both a chow and a Western-style diet. β-Zfp148KO islets demonstrate improved sensitivity and sustained Ca2+ oscillations in response to elevated glucose. β-Zfp148KO islets also...

Data to support publication figures and animation scripts at GitHub: Modeling weather-driven long-distance dispersal of spruce budworm moths (Choristoneura fumiferana)

Matthew Garcia, Brian R. Sturtevant, Remi Saint-Amant, Joseph J. Charney, Johanne Delisle, Yan Boulanger, Philip A. Townsend & Jacques Régnière
Long-term studies of insect populations in the North American boreal forest have shown the vital importance of long-distance dispersal to the maintenance and expansion of insect outbreaks. In this work, we extend several concepts established previously in an empirically-based dispersal flight model with recent work on the physiology and behavior of the adult eastern spruce budworm (SBW) moth, Choristoneura fumiferana (Clem.). An outbreak of defoliating SBW in Quebec, ongoing since the mid-2000s, already covers millions...

A meta-analysis of tropical land-use change effects on the soil microbiome: emerging patterns and knowledge gaps

Emily J. Diaz-Vallejo
Modifications to vegetation and soil due to changes in land use have the potential to alter the soil microbiome, with consequences for carbon and nutrient cycling. Despite the important function of soil microorganisms, little is known about their response to land-use change, especially in tropical regions where current rates of land conversion are greatest. The aim of this meta-analysis was to examine how land-use change influences soil microbial properties in tropical ecosystems and to identify...

Data from: Effects of Bark Beetle Outbreaks on Forest Landscape Pattern in the Southern Rocky Mountains, U.S.A.

Kyle Rodman, Robert Andrus, Cori Butkiewicz, Teresa Chapman, Nathan Gill, Brian Harvey, Dominik Kulakowski, Niko Tutland, Thomas Veblen & Sarah Hart
Since the late 1990s, extensive outbreaks of native bark beetles (Curculionidae: Scolytinae) have affected coniferous forests throughout Europe and North America, driving changes in carbon storage, wildlife habitat, nutrient cycling, and water resource provisioning. Remote sensing is a crucial tool for quantifying the effects of these disturbances across broad landscapes. In particular, Landsat time series (LTS) are increasingly used to characterize outbreak dynamics, including the presence and severity of bark beetle-caused tree mortality, though broad-scale...

Scaling the leaf length-times-width equation to predict total leaf area of shoots

Kohei Koyama & Duncan D Smith
Background and Aims: An individual plant consists of different-sized shoots, each of which consists of different-sized leaves. To predict plant-level physiological responses from the responses of individual leaves, modelling this within-shoot leaf size variation is necessary. Within-plant leaf trait variation has been well investigated in canopy photosynthesis models but less so in plant allometry. Therefore, integration of these two different approaches is needed. Methods: We focused on an established leaf-level relationship that the area of...

Data from: Cascading effects of a disease outbreak in a remote protected area

Julia Monk, Justine Smith, Emiliano Donadio, Paula Perrig, Ramiro Crego, Martin Fileni, Owen Bidder, Sergio Lambertucci, Jonathan Pauli, Oswald Schmitz & Arthur Middleton
Disease outbreaks induced by humans increasingly threaten wildlife communities worldwide. Like predators, pathogens can be key top-down forces in ecosystems, initiating trophic cascades that may alter food webs. An outbreak of mange in a remote Andean protected area caused a dramatic population decline in a mammalian herbivore (the vicuña), creating conditions to test the cascading effects of disease on the ecological community. By comparing a suite of ecological measurements to pre-disease baseline records, we demonstrate...

Adiponectin receptor agonist AdipoRon improves skeletal muscle function in aged mice

Priya Balasubramanian, Anne Schaar, Grace Gustafson, Alex Smith, Porsha Howell, Angela Greenman, Scott Baum, Ricki Colman, Dudley Lamming, Gary Diffee & Rozalyn Anderson
The loss of skeletal muscle function with age, known as sarcopenia, significantly reduces independence and quality of life and can have significant metabolic consequences. Although exercise is effective in treating sarcopenia it is not always a viable option clinically, and currently there are no pharmacological therapeutic interventions for sarcopenia. Here we show that chronic treatment with pan-adiponectin receptor agonist AdipoRon improved muscle function in male mice by a mechanism linked to skeletal muscle metabolism and...

Breeding status shapes territoriality and vocalization patterns in spotted owls

Dana Reid
Vocal territory defense can vary within a species due to many factors such as sex and breeding status, influencing territory size and thus population density across a landscape. Therefore, understanding what influences variation in territorial vocalizations can help to illuminate trade-offs between territoriality and other life history demands, which benefits our general understanding of animal ecology as well as helps to inform emerging passive acoustic monitoring approaches. Here, we investigated how sex and breeding status...

Evidence for hawkmoth pollination in the chiropterophilous African baobab (Adansonia digitata)

Nisa Karimi
Chiropterophily, or bat pollination, is typically considered a highly specialized pollination system that has evolved independently numerous times across the angiosperm phylogeny, with distinct lineages often converging on a similar suite of floral traits. The African baobab, Adansonia digitata, occurs widespread across continental Africa and introduced throughout much of the tropics, possesses floral traits classically associated with bat pollination, namely nocturnal anthesis, pendulous white flowers, and a “musky” fragrance. Despite this, our observations and pollination...

Plastic responses to hot temperatures homogenize riparian leaf litter, speed decomposition, and reduce detritivores

Joann Jeplawy, Hillary Cooper, Jane Marks, Richard Lindroth, Morgan Andrews, Zacchaeus Compson, Catherine Gehring, Kevin Hultine, Kevin Grady, Thomas Whitham, Gerard Allan & Rebecca Best
Efforts to maintain the function of critical ecosystems under climate change often begin with foundation species. In the southwestern US, cottonwood trees support diverse communities in riparian ecosystems that are threatened by rising temperatures. Genetic variation within cottonwoods shapes communities and ecosystems, but these effects may be modified by phenotypic plasticity, where genotype traits change in response to environmental conditions. Here, we investigated plasticity in Fremont cottonwood (Populus fremontii) leaf litter traits as well as...

Leaf CNPK concentrations and isotopic signatures

Thomas Givnish
Previous meta-analyses suggested that carnivorous plants – despite access to N, P, and K from prey – have significantly lower leaf concentrations of these nutrients than non-carnivores. Those studies, however, largely compared carnivores in nutrient-poor habitats with non-carnivores in more nutrient-rich sites, so that the differences reported might reflect habitat differences as much as differences in nutrient-capture strategy. Here we examine three carnivorous and 12 non-carnivorous plants in the same nutrient-poor bog to compare their...

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