243 Works

Data from: Lack of genetic isolation by distance, similar genetic structuring but different demographic histories in a fig-pollinating wasp mutualism

Enwei Tian, John D. Nason, Linna Zheng, Hui Yu, Finn Kjellberg & Carlos A. Machado
Historical abiotic factors such as climatic oscillations and extreme climatic events as well as biotic factors have shaped the structuring of species’ genetic diversity. In obligate species-specific mutualisms, the biogeographic histories of the interacting species are tightly linked. This could be particularly true for nuclear genes in the Ficus-pollinating wasp mutualistic association as the insects disperse pollen from their natal tree. In this study we compare spatial genetic structure of plant and pollinator for the...

Data from: The effect of repeated, lethal sampling on wild bee abundance and diversity

Zachariah J. Gezon, Eli S. Wyman, John S. Ascher, David W. Inouye & Rebecca E. Irwin
1. Bee pollinators provide a critical ecosystem service to wild and agricultural plants but are reported to be declining world-wide due to anthropogenic change. Long-term data on bee abundance and diversity are scarce, and the need for additional quantitative sampling using repeatable methods has been emphasized. Recently, monitoring programmes have begun using a standardized method that employs a combination of pan traps and sweep netting, resulting in lethal sampling of bees. This standardized method can...

Data from: Phenological responses to multiple environmental drivers under climate change: insights from a long-term observational study and a manipulative field experiment

Susana M. Wadgymar, Jane E. Ogilvie, David W. Inouye, Arthur E. Weis & Jill T. Anderson
• Climate change has induced pronounced shifts in the reproductive phenology of plants, yet we know little about which environmental factors contribute to interspecific variation in responses and their effects on fitness. • We integrate data from a 43-year record of first flowering for six species in subalpine Colorado meadows with a 3-year snow manipulation experiment on the perennial forb Boechera stricta (Brassicaceae) from the same site. We analyze shifts in the onset of flowering...

Data from: Landscape genomics provides evidence of climate-associated genetic variation in Mexican populations of Quercus rugosa Nee

Karina Martins, Paul Gugger, Jesus Llanderal-Mendoza, Antonio González-Rodríguez, Sorel T. Fitz-Gibbon, Jian-Li Zhao, Hernando Rodríguez-Correa, Ken Oyama, Victoria L. Sork & Paul F. Gugger
Local adaptation is a critical evolutionary process that allows plants to grow better in their local compared to nonnative habitat and results in species-wide geographic patterns of adaptive genetic variation. For forest tree species with a long generation time, this spatial genetic heterogeneity can shape the ability of trees to respond to rapid climate change. Here, we identify genomic variation that may confer local environmental adaptations and then predict the extent of adaptive mismatch under...

Data from: Process-based simulation of prairie growth

Cody J. Zilverberg, Jimmy Williams, Curtis Jones, Keith Harmoney, Jay Angerer, Loretta J. Metz & William Fox
When field research is cost- or time-prohibitive, models can inform decision-makers regarding the impact of agricultural policy on production and the environment, but process-based models that simulate animal-plant-soil interaction and ecosystem services in grazing lands are rare. In the U.S.A., APEX (Agricultural Policy/Environmental eXtender) is a model commonly used to inform policy on cropland, but its ability to simulate grazinglands was less robust. Therefore, we enhanced the APEX model’s plant growth module to improve its...

Data from: Effects of vertical position on trematode parasitism in larval anurans

Jacob R. Jones, Camille L. Steenrod & John A. Marino
Spatial distributions of animals can affect interactions with their natural enemies, such as parasites, and thus have important implications for host-parasite dynamics. While spatial variation in infection risk has been explored in many systems at the landscape scale, less attention has been paid to spatial structure at smaller scales. Here, we explore a hypothesized relationship between a common spatial variable, vertical position, and risk of parasite infection in a model aquatic system, larval frogs (Rana)...

Data from: A phylum-wide survey reveals multiple independent gains of head regeneration in Nemertea

Eduardo Zattara, Fernando Fernández-Álvarez, Terra Hiebert, Alexa Bely & Jon Norenburg
Animals vary widely in their ability to regenerate, suggesting that regenerative ability has a rich evolutionary history. However, our understanding of this history remains limited because regenerative ability has only been evaluated in a tiny fraction of species. Available comparative regeneration studies have identified losses of regenerative ability, yet clear documentation of gains is lacking. We assessed ability to regenerate heads and tails either through our own experiments or from literature reports for 35 species...

Data from: Evidence for hearing loss in amblyopsid cavefishes

Matthew L. Niemiller, Dennis M. Higgs & Daphne Soares
The constant darkness of caves and other subterranean habitats imposes sensory constraints that offer a unique opportunity to examine evolution of sensory modalities. Hearing in cavefishes has not been well explored, and here we show that cavefishes in the family Amblyopsidae are not only blind but have also lost a significant portion of their hearing range. Our results showed that cave and surface amblyopsids shared the same audiogram profile at low frequencies but only surface...

Data from: How climate extremes—not means—define a species' geographic range boundary via a demographic tipping point

Heather J. Lynch, Marc Rhainds, Justin M. Calabrese, Stephen Cantrell, Chris Cosner & William F. Fagan
Species’ geographic range limits interest biologists and resource managers alike; however, scientists lack strong mechanistic understanding of the factors that set geographic range limits in the field, especially for animals. There exists a clear need for detailed case studies that link mechanisms to spatial dynamics and boundaries because such mechanisms allow us to predict whether climate change is likely to change a species’ geographic range and, if so, how abundance in marginal populations compares to...

Data from: From cellular characteristics to disease diagnosis: uncovering phenotypes with supercells

Julián Candia, Ryan Maunu, Meghan Driscoll, Angélique Biancotto, Pradeep Dagur, , H. Nida Sen, Lai Wei, Amos Maritan, Kan Cao, Robert B. Nussenblatt, Jayanth R. Banavar, Wolfgang Losert & J. Philip McCoy
Cell heterogeneity and the inherent complexity due to the interplay of multiple molecular processes within the cell pose difficult challenges for current single-cell biology. We introduce an approach that identifies a disease phenotype from multiparameter single-cell measurements, which is based on the concept of “supercell statistics”, a single-cell-based averaging procedure followed by a machine learning classification scheme. We are able to assess the optimal tradeoff between the number of single cells averaged and the number...

Side Affects: On Being Trans and Feeling Bad by Hil Malatino

Jordan Keesler
“A Salve for Trans Feelings: Orientations of Feeling Bad” is a short book review of Hil Malatino’s 2022 book, Side Affects: On Being Trans and Feeling Bad. This review briefly summarizes the six chapters of the book before suggesting the engagement of scholars in trans, women’s, gender, and sexuality studies, philosophy, and beyond. I argue that utilizing an anti-capitalist lens to explore queer and trans spirituality should be further explored, but find Malatino’s core arguments...

Journal Review Time

Philip Cohen


Hannah Kim, Caroline Vincent, Logan Smith, Emma Choplin, Eric Youngstrom, Ishan Thaker, Breiana Sisk, Lillian Pitts, Phoebe Rodda, Abigail Fleri & Natalie Charamut

749. EBAP study

Alberto Stefana, Eric Youngstrom, Rachael Kang & Sophia Sang

Pro-Democratic but Not Anti-Authoritarian? Understanding Ambivalent Attitudes Towards Democracy and Authoritarianism

Calvert Jones
Abstract. Does a preference for democracy imply a rejection of autocratic forms of government? An affirmative answer is intuitive, and much canonical work on regimes and popular support suggests a bipolar meaning structure. Yet, in terms of the structure of public attitudes, the assumption of bipolarity has not been systematically tested. To address this gap, we present broad-based evidence from the World Values Survey (WVS) showing that attitudes toward regimes may be more complex than...

Modeling the Learning of the Person Case Constraint

Adam Liter & Naomi H. Feldman

Scaling realistic fire scenarios

James G. Quintiere
A review is made of work on scale modeling in fire and presented from the experience of the author. Primarily, scale modeling in air is discussed but there is a brief discussion of a scale model with salt and fresh water for smoke movement. A complete set of dimensionless groups is presented for fire, then it is illustrated how selections were made for the partial scaling of specific fire scenarios. Studies have been motivated by...

Asian American Women’s Perspectives on Historically White Sorority Life: A Critical Race Theory and Cultural Capital Analysis

Julie J. Park

Supporting data for ‘DFENS: Diffusion chronometry using Finite Elements and Nested Sampling’

Euan Mutch, John Maclennan, Oliver Shorttle, John Rudge & David Neave
This is supporting data for the manuscript entitled 'DFENS: Diffusion chronometry using Finite Elements and Nested Sampling' by E. J. F. Mutch, J. Maclennan, O. Shorttle, J. F. Rudge and D. Neave. Preprint here: https://doi.org/10.1002/essoar.10503709.1 Data Set S1. ds01.csv Electron probe microanalysis (EPMA) profile data of olivine crystals used in this study. Standard deviations are averaged values of standard deviations from counting statistics and repeat measurements of secondary standards. Data Set S2. ds02.csv Plagioclase compositional...

Assessment of Deep Façade Retrofit Solutions for Housing

Ming Hu
Knowledge and research tying the environmental impact to operating energy efficiency improvement is a largely unexplored area in higher performance retrofit projects. It is a challenge to choose the façade renovation option that represents the optimal trade-offs among different performance objectives. This paper aims to test a multi-objective envelope optimization method to quantify and compare the deep retrofit façade techniques and their induced environmental impact. An integrated life cycle energy (LCE), life cycle assessment (LCA)...

Novel Medicine

Andrew Schonebaum
By examining the dynamic interplay between discourses of fiction and medicine, Novel Medicine demonstrates how fiction incorporated, created, and disseminated medical knowledge in China, beginning in the sixteenth century. Critical readings of fictional and medical texts provide a counterpoint to prevailing narratives that focus only on the “literati” aspects of the novel, showing that these texts were not merely read, but were used by a wide variety of readers for a range of purposes. The...

Data from: A molecular phylogeny and revised higher-level classification for the leaf-mining moth family Gracillariidae and its implications for larval host-use evolution

Akito Y. Kawahara, David Plotkin, Issei Ohshima, Carlos Lopez-Vaamonde, Peter R. Houlihan, Jesse W. Breinholt, Atsushi Kawakita, Lei Xiao, Jerome C. Regier, Donald R. Davis, Tosio Kumata, Jay-Cheon Sohn, Jurate De Prins, Charles Mitter & JAE-CHEON SOHN
Gracillariidae are one of the most diverse families of internally feeding insects, and many species are economically important. Study of this family has been hampered by lack of a robust and comprehensive phylogeny. In the present paper, we sequenced up to 22 genes in 96 gracillariid species, representing all previously recognized subfamilies and genus groups, plus 20 outgroups representing other families and superfamilies. Following objective identification and removal of two rogue taxa, two datasets were...

Data from: Oscillatory signatures underlie growth regimes in Arabidopsis pollen tubes: computational methods to estimate tip location, periodicity and synchronization in growing cells

Daniel S.C. Damineli, Maria Teresa Portes & José A. Feijó
Oscillations in pollen tubes have been reported for many cellular processes, including growth, extracellular ion fluxes, and cytosolic ion concentrations. However, there is a shortage of quantitative methods to measure and characterize the different dynamic regimes observed. Herein, a suite of open-source computational methods and original algorithms were integrated into an automated analysis pipeline that we employed to characterize specific oscillatory signatures in pollen tubes of Arabidopsis thaliana (Col-0). Importantly, it enabled us to detect...

Data from: Centennial-scale reductions in nitrogen availability in temperate forests of the United States

K. K. McLauchlan, L. M. Gerhart, J. J. Battles, J. M. Craine, A. J. Elmore, P. E. Higuera, M. C. Mack, B. E. McNeil, D. M. Nelson, N. Pederson & S. S. Perakis
Forests cover 30% of the terrestrial Earth surface and are a major component of the global carbon (C) cycle. Humans have doubled the amount of global reactive nitrogen (N), increasing deposition of N onto forests worldwide. However, other global changes—especially climate change and elevated atmospheric carbon dioxide concentrations—are increasing demand for N, the element limiting primary productivity in temperate forests, which could be reducing N availability. To determine the long-term, integrated effects of global changes...

Data from: Phylotranscriptomics resolves ancient divergences in the Lepidoptera

Adam L. Bazinet, Kim T. Mitter, Donald R. Davis, Erik J. Van Nieukerken, Michael P. Cummings & Charles Mitter
Classic morphological studies of the oldest, so-called nonditrysian lineages of Lepidoptera yielded a well-resolved phylogeny, supported by the stepwise origin of the traits characterizing the clade Ditrysia, which contains over 98% of extant lepidopterans. Subsequent polymerase chain reaction (PCR)-based molecular studies have robustly supported many aspects of the morphological hypothesis and strongly contradicted others, while leaving some relationships unsettled. Here we bring the greatly expanded gene sampling of RNA-Seq to bear on nonditrysian phylogeny, especially...

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  • University of Maryland, College Park
  • University of Maryland
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  • Columbia University
  • Chinese Academy of Sciences
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  • Smithsonian Conservation Biology Institute
  • University of Georgia
  • Smithsonian Institution
  • United States Department of Agriculture