62 Works

Wolves are back: Sociopolitical identity and opinions on management of Canis lupus

Joel Hartter & Lawrence Hamilton
In 2010 an interdisciplinary team of social and natural scientists began a project to study society–environment interactions in northeast Oregon. At first, the Communities and Forests in Oregon (CAFOR) project focused on Baker, Union and Wallowa Counties. Subsequently the project’s scope expanded to cover Crook, Grant, Umatilla and Wheeler Counties. One part of the CAFOR research involved a series of telephone surveys carried out in four stages over 2011 to 2018. The surveys employed consistent...

Data from: An experimental test of buffer utility as a technique for managing pool-breeding amphibians

Jessica S. Veysey Powell & Kimberly J. Babbitt
Vegetated buffers are used extensively to manage wetland-dependent wildlife. Despite widespread application, buffer utility has not been experimentally validated for most species. To address this gap, we conducted a six-year, landscape-scale experiment, testing how buffers of different widths affect the demographic structure of two amphibian species at 11 ephemeral pools in a working forest of the northeastern U.S. We randomly assigned each pool to one of three treatments (i.e., reference, 100m buffer, 30m buffer) and...

Data from: Limited influence of local and landscape factors on finescale gene flow in two pond-breeding amphibians

Stephanie S. Coster, Kimberly J. Babbitt, Andrew Cooper & Adrienne I. Kovach
Dispersal and gene flow within animal populations are influenced by the composition and configuration of the landscape. In this study, we evaluated hypotheses about the impact of natural and anthropogenic factors on genetic differentiation in two amphibian species, the spotted salamander (Ambystoma maculatum) and the wood frog (Lithobates sylvaticus) in a commercial forest in central Maine. We conducted this analysis at two scales: a local level, focused on factors measured at each breeding pond and...

Data from: Severe acute dehydration in a desert rodent elicits a transcriptional response that effectively prevents kidney injury

Matthew David MacManes
Animals living in desert environments are forced to survive despite severe heat, intense solar radiation, and both acute and chronic dehydration. These animals have evolved phenotypes that effectively address these environmental stressors. To begin to understand the ways in which the desert-adapted rodent P. eremicus survives, we performed an experiment where we subjected reproductively mature adults to 72 hours of water deprivation, during which they lost on average 23% of their body weight. The animals...

Data from: The oceanic concordance of phylogeography and biogeography: a case study in Notochthamalus

Christine Ewers-Saucedo, James M. Pringle, Hector H. Sepúlveda, James E. Byers, Sergio A. Navarrete & John P. Wares
Dispersal and adaptation are the two primary mechanisms that set the range distributions for a population or species. As such, understanding how these mechanisms interact in marine organisms in particular – with capacity for long-range dispersal and a poor understanding of what selective environments species are responding to – can provide useful insights for the exploration of biogeographic patterns. Previously, the barnacle Notochthamalus scabrosus has revealed two evolutionarily distinct lineages with a joint distribution that...

Data from: Characterization of the transcriptome, nucleotide sequence polymorphism, and natural selection in the desert adapted mouse Peromyscus eremicus

Matthew MacManes & Michael Eisen
As a direct result of intense heat and aridity, deserts are thought to be among the most harsh of environments, particularly for their mammalian inhabitants. Given that osmoregulation can be challenging for these animals, with failure resulting in death, strong selection should be observed on genes related to the maintenance of water and solute balance. One such animal, Peromyscus eremicus, is native to the desert regions of the southwest United States and may live its...

A rare 300 kilometer dispersal by an adult male white-tailed deer

Remington Moll
Despite the key roles that dispersal plays in individual animal fitness and meta-population gene flow, it remains one of the least understood behaviors in many species. In large mammalian herbivores, dispersals might span long distances and thereby influence landscape-level ecological processes, such as infectious disease spread. Here we describe and analyze an exceptional long-distance dispersal by an adult white-tailed deer (Odocoileus virginianus) in the central United States. We also conducted a literature survey to compare...

Data from: De novo genome assembly of Geosmithia morbida, the causal agent of thousand cankers disease

Taruna A. Schuelke, Anthony Westbrook, Kirk Broders, Keith Woeste & Matthew D. MacManes
Geosmithia morbida is a filamentous ascomycete that causes thousand cankers disease in the eastern black walnut tree. This pathogen is commonly found in the western U.S.; however, recently the disease was also detected in several eastern states where the black walnut lumber industry is concentrated. G. morbida is one of two known phytopathogens within the genus Geosmithia, and it is vectored into the host tree via the walnut twig beetle. We present the first de...

Data from: Molecular clocks indicate turnover and diversification of modern coleoid cephalopods during the Mesozoic Marine Revolution

Alastair R. Tanner, Dirk Fuchs, Inger E. Winkelmann, Thomas P. Gilbert, M. Sabrina Pankey, Angela M. Ribeiro, Kevin M. Kocot, Kenneth M. Halanych, Todd H. Oakley, Rute R. Da Fonseca, Davide Pisani, Jakob Vinther & M. Thomas P. Gilbert
Coleoid cephalopod molluscs comprise squid, cuttlefish and octopuses, and represent nearly the entire diversity of modern cephalopods. Sophisticated adaptations such as the use of colour for camouflage and communication, jet propulsion and the ink sac highlight the unique nature of the group. Despite these striking adaptations, there are clear parallels in ecology between coleoids and bony fishes. The coleoid fossil record is limited, however, hindering confident analysis of the tempo and pattern of their evolution....

Data from: Brain transcriptional profiles of male alternative reproductive tactics and females in bluegill sunfish

Charlyn G. Partridge, Matthew D. MacManes, Rosemary Knapp & Bryan D. Neff
Bluegill sunfish (Lepomis macrochirus) are one of the classic systems for studying male alternative reproductive tactics (ARTs) in teleost fishes. In this species, there are two distinct life histories: parental and cuckolder, encompassing three reproductive tactics, parental, satellite, and sneaker. The parental life history is fixed, whereas individuals who enter the cuckolder life history transition from sneaker to satellite tactic as they grow. For this study, we used RNAseq to characterize the brain transcriptome of...

Data from: An alternative pathway to eusociality: exploring the molecular and functional basis of fortress defense

Sarah P. Lawson, Leah Sigle, Abigail L. Lind, Andrew W. Legan, Jessica N. Mezzanotte, Hans-Willi Honegger, Patrick Abbot & Leah T. Sigle
Some animals express a form of eusociality known as 'fortress defense', in which defense rather than brood care is the primary social act. Aphids are small plant-feeding insects, but like termites, some species express division of labor and castes of aggressive juvenile 'soldiers'. What is the functional basis of fortress defense eusociality in aphids? Previous work showed that the acquisition of venoms might be a key innovation in aphid social evolution. We show that the...

Data from: Cover crop root contributions to soil carbon in a no-till corn bioenergy cropping system

Emily E. Austin, Kyle Wickings, Marshall D. McDaniel, G. Philip Robertson & A. Stuart Grandy
Crop residues are potential biofuel feedstocks, but residue removal may reduce soil carbon (C). The inclusion of a cover crop in a corn bioenergy system could provide additional biomass, mitigating the negative effects of residue removal by adding to stable soil C pools. In a no-till continuous corn bioenergy system in the northern US Corn Belt, we used 13CO2 pulse labeling to trace plant C from a winter rye (Secale cereale) cover crop into different...

Data from: Adaptation to heat stress reduces phenotypic and transcriptional plasticity in a marine copepod

Morgan W. Kelly, M. Sabrina Pankey, Melissa B. DeBiasse & David C. Plachetzki
Organisms may respond to changing environments through phenotypic plasticity or adaptive evolution. These two processes are not mutually exclusive and may either dampen or strengthen each other's effects, depending on the genetic correlation between trait values and the slopes of their norms of reaction. To examine the effect of adaptation to heat stress on the plasticity of heat tolerance, we hybridized populations of the crustacean Tigriopus californicus that show divergent phenotypes for heat tolerance. We...

Data from: Efficacy of a probiotic bacterium to treat bats affected by the disease white-nose syndrome

Tina L. Cheng, Heather Mayberry, Liam P. McGuire, Joseph R. Hoyt, Kate E. Langwig, Hung Nguyen, Katy L. Parise, Jeffrey T. Foster, Craig K. R. Willis, Auston Marm Kilpatrick & Winifred F. Frick
The management of infectious diseases is an important conservation concern for a growing number of wildlife species. However, effective disease control in wildlife is challenging because feasible management options are often lacking. White-nose syndrome (WNS) is an infectious disease of hibernating bats that currently threatens several North American species with extinction. Currently, no effective treatments exist for WNS. We conducted a laboratory experiment to test the efficacy of treatment with Pseudomonas fluorescens, a bacterium that...

Data from: Disentangling elevational richness: a multi-scale hierarchical Bayesian occupancy model of Colorado ant communities

Tim M. Szewczyk & Christy M. McCain
Understanding the forces that shape the distribution of biodiversity across spatial scales is central in ecology and critical to effective conservation. To assess effects of possible richness drivers, we sampled ant communities on four elevational transects across two mountain ranges in Colorado, USA, with seven or eight sites on each transect and twenty repeatedly sampled pitfall trap pairs at each site each for a total of 90 days. With a multi-scale hierarchical Bayesian community occupancy...

Immature Sirex noctilio woodwasp size and sex dataset

Jeff Garnas
Resource quality can have direct or indirect effects on female oviposition choice, offspring growth and survival, and ultimately on body size and sex ratio. We examined these patterns in Sirex noctilio Fabricus, the globally invasive European pine woodwasp, in South African Pinus patula plantations. We studied how tree position as well as natural variation in biotic and abiotic factors influenced sex-specific density, larval size, tunnel length, male proportion, and survival across development. Twenty infested trees...

Data from: Synonymous genetic variation in natural isolates of Escherichia coli does not predict where synonymous substitutions occur in a long-term experiment

Rohan Maddamsetti, Philip J. Hatcher, Stéphane Cruveiller, Claudine Médigue, Jeffrey E. Barrick & Richard E. Lenski
Synonymous genetic differences vary by more than 20-fold among genes in natural isolates of Escherichia coli. One hypothesis to explain this heterogeneity is that genes with high levels of synonymous variation mutate at higher rates than genes with low synonymous variation. If so, then one would expect to observe similar mutational patterns in evolution experiments. In fact, however, the pattern of synonymous substitutions in a long-term evolution experiment with E. coli does not support this...

Data from: Patterns of reproductive isolation in Nolana (Chilean Bellflower)

Cathleen Jewell, Amy Douglas Papineau, Rosanna Freyre & Leonie Clare Moyle
We examined reproductive isolating barriers at four postmating stages among 11 species from the morphologically diverse genus Nolana (Solanaceae). At least one stage was positively correlated with both genetic and geographic distance between species. Postzygotic isolation was generally stronger and faster evolving than postmating prezygotic isolation. In addition, there was no evidence for mechanical isolation or for reproductive character displacement in floral traits that can influence pollinator isolation. In general, among the potential isolating stages...

EK80 Water Column Sonar Data Collected During BordelonMC20

Scott Loranger & Thomas Webber

Data from: Temporal genetic stability in natural populations of the waterflea Daphnia magna in response to strong selection pressure

Luisa Orsini, Hollie Marshall, Maria Cuenca Cambronero, Anurag Chaturvedi, Kelley W. Thomas, Michael E. Pfrender, Katina I. Spanier & Luc De Meester
Studies monitoring changes in genetic diversity and composition through time allow a unique understanding of evolutionary dynamics and persistence of natural populations. However, such studies are often limited to species with short generation times that can be propagated in the laboratory or few exceptional cases in the wild. Species that produce dormant stages provide powerful models for the reconstruction of evolutionary dynamics in the natural environment. A remaining open question is to what extent dormant...

Data from: Diverse phenotypic and genetic responses to short-term selection in evolving Escherichia coli populations

Marcus M. Dillon, Nicholas P. Rouillard, Brian Van Dam, Romain Gallet & Vaughn S. Cooper
Beneficial mutations fuel adaptation by altering phenotypes that enhance the fit of organisms to their environment. However, the phenotypic effects of mutations often depend on ecological context, making the distribution of effects across multiple environments essential to understanding the true nature of beneficial mutations. Studies that address both the genetic basis and ecological consequences of adaptive mutations remain rare. Here, we characterize the direct and pleiotropic fitness effects of a collection of 21 first-step beneficial...

Data from: A multi-scale analysis of gene flow for the New England cottontail, an imperiled habitat specialist in a fragmented landscape

Lindsey E. Fenderson, Adrienne I. Kovach, John A. Litvaitis, Kathleen M. O'Brien, Kelly M. Boland & Walter J. Jakubas
Landscape features of anthropogenic or natural origin can influence organisms’ dispersal patterns and the connectivity of populations. Understanding these relationships is of broad interest in ecology and evolutionary biology and provides key insights for habitat conservation planning at the landscape scale. This knowledge is germane to restoration efforts for the New England cottontail (Sylvilagus transitionalis), an early-successional habitat specialist of conservation concern. We evaluated local population structure and measures of genetic diversity of a geographically...

Data from: Benefit of transferred mutations is better predicted by the fitness of recipients than by their ecological or genetic relatedness

Yinhua Wang, Carolina Diaz Arena, Daniel M. Stoebel, Kenneth M. Flynn, Ethan Knapp, Marcus M. Dillon, Andrea Wunsche, Philip J. Hatcher, Francisco B.-G. Moore, Vaughn S. Cooper & Tim F. Cooper
The effect of a mutation depends on its interaction with the genetic background in which it is assessed. Studies in experimental systems have demonstrated that such interactions are common among beneficial mutations and often follow a pattern consistent with declining evolvability of more fit genotypes. However, these studies generally examine the consequences of interactions between a small number of focal mutations. It is not clear, therefore, that findings can be extrapolated to natural populations, where...

Data from: Invasive seaweeds transform habitat structure and increase biodiversity of associated species

Jennifer A. Dijkstra, Larry G. Harris, Kristen Mello, Amber Littere, Christopher Wells, Colin Ware & Amber Litterer
The visual landscape of marine and terrestrial systems is changing as a result of anthropogenic factors. Often these shifts involve introduced species that are morphologically dissimilar to native species, creating a unique biogenic structure and habitat for associated species within the landscape. While community level changes as a result of introduced species have been documented in both terrestrial and marine systems, it is still unclear how long-term shifts in species composition will affect habitat complexity...

Data from: A trait-based framework for discerning drivers of species co-occurrence across heterogeneous landscapes

Brooks A. Kohli, Rebecca C. Terry & Rebecca J. Rowe
Null model analysis of species co-occurrence patterns has long been used to gain insight into community assembly but is often limited to identifying non-random patterns without providing clarity about underlying ecological mechanisms. This challenge is especially apparent when sampling units are spread across a heterogeneous landscape or along an environmental gradient because multiple mechanisms can produce similar co-occurrence patterns. We developed a trait-based approach for discriminating between environmental filtering and biotic interactions as the probable...

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