430 Works

Survey of Food Consumption of Households in the United States, Spring 1955.

Rueben Buse & Aaron Johnson

Wisconsin children, incomes and program participation survey (CHIPPS) of 1985

Slave Movement -- Records of Slave Ship Movement Between Africa and the Americas, 1817-1843

Philip D. Curtin & Herbert S. Klein

Bedforms of Thwaites Glacier, West Antarctica: Character and Origin

R.B. Alley, N. Holschuh, D.R. MacAyea, B.R. Parizek, L. Zoet, K. Riverman, A. Muto, K. Christianson, E. Clyne, S. Anandakrishnan & N.T. Stevens
Bedforms of Thwaites Glacier, West Antarctica both record and affect ice flow. Thwaites Glacier flows across the tectonic fabric of the West Antarctic rift system with its bedrock highs and sedimentary basins. Swath radar and seismic surveys of the glacier bed have revealed soft-sediment flutes 100 m or more high extending 15 km or more across basins downglacier from bedrock highs, and ending at prominent hard-bedded moats on stoss sides of the next topographic highs....

Wisconsin Study of Families and Work 1990 - 2012

Janet Shibley Hyde & Marilyn J. Essex

Summary of Study of Microcomputers in Small- and Medium-Sized Colombian Firms, 1985-1986

Mary C. McEniry

Private Prison News Project: Article Data from New York Times, Los Angeles Times, Chicago Tribune, and Houston Chronicle, 1985-2008

Pamela Oliver & Brett C. Burkhardt

National Survey of Families and Households (NSFH), Wave 3 (2001-2003)

Larry L. Bumpass & James A. Sweet

Online Politics and Young Voters 2006: The Use of Political Websites by American Youth and Effects on Political Engagement

Michael A. Xenos

Puerto Rican Elderly: Health Conditions (PREHCO) Wave 1, 2002-2003

Alberto Palloni, Ana Luisa Dávila & Melba Sánchez-Ayéndez

Voting Behavior in the Wisconsin State Legislature: 2003-2010, Gridlock

Jacob O. Stampen

Voting Behavior in the Wisconsin State Legislature: 2011-2018, Machine Rule

Jacob O. Stampen

Transmission of West Nile and five other temperate mosquito-borne viruses peaks at temperatures between 23-26ºC

Marta Shocket, Anna Verwillow, Mailo Numazu, Hani Slamani, Jeremy Cohen, Fadoua El Moustaid, Jason Rohr, Leah Johnson & Erin Mordecai
The temperature-dependence of many important mosquito-borne diseases has never been quantified. These relationships are critical for understanding current distributions and predicting future shifts from climate change. We used trait-based models to characterize temperature-dependent transmission of 10 vector–pathogen pairs of mosquitoes (Culex pipiens, Cx. quinquefascsiatus, Cx. tarsalis, and others) and viruses (West Nile, Eastern and Western Equine Encephalitis, St. Louis Encephalitis, Sindbis, and Rift Valley Fever viruses), most with substantial transmission in temperate regions. Transmission is...

Spatial variation in diet-microbe associations across populations of a generalist North American carnivore

A. Shawn Colborn, Corbin C. Kuntze, Gabriel I. Gadsden & Nyeema C. Harris
1. Generalist species, by definition, exhibit variation in niche attributes that promote survival in changing environments. Increasingly, phenotypes previously associated with a species, particularly those with wide or expanding ranges, are dissolving and compelling greater emphasis on population-level characteristics. 2. In the present study, we assessed spatial variation in diet characteristics, gut microbiome, and the association between these two ecological traits across populations of coyotes (Canis latrans). We highlight the influence of the carnivore community...

Systemic paralogy and function of retinal determination network homologs in arachnids

Guilherme Gainett, Jesús A. Ballesteros, Charlotte R. Kanzler, Jakob T. Zehms, John M. Zern, Shlomi Aharon, Efrat Gavish-Regev & Prashant P. Sharma
Arachnids are important components of cave ecosystems and display many examples of troglomorphisms, such as blindness, depigmentation, and elongate appendages. Little is known about how the eyes of arachnids are specified genetically, let alone the mechanisms for eye reduction and loss in troglomorphic arachnids. Additionally, paralogy of Retinal Determination Gene Network (RDGN) homologs in spiders has convoluted functional inferences extrapolated from single-copy homologs in pancrustacean models. Here, we investigated a sister species pair of Israeli...

Data from: Trait plasticity and tradeoffs shape intraspecific variation in competitive response in a foundation tree species

Olivia Cope, Richard Lindroth, Andrew Helm, Ken Keefover-Ring & Eric Kruger
The ability to tolerate neighboring plants (i.e., degree of competitive response) is a key determinant of plant success in high-competition environments. Plant genotypes adjust their functional trait expression under high levels of competition, which may help explain intraspecific variation in competitive response. However, the relationships between traits and competitive response are not well understood, especially in trees. In this study, we investigated among-genotype associations between tree trait plasticity and competitive response. We manipulated competition intensity...

The genome of a daddy-long-legs (Opiliones) illuminates the evolution of arachnid appendages

Guilherme Gainett, Vanessa L. González, Jesús Ballesteros, Emily V. W. Setton, Caitlin M. Baker, Leonardo Barolo Gargiulo, Carlos E. Santibáñez-López, Jonathan A. Coddington & Prashant P. Sharma
Chelicerate arthropods exhibit dynamic genome evolution, with ancient whole genome duplication (WGD) events affecting several orders. Yet, genomes remain unavailable for a number of poorly studied orders, such as Opiliones (daddy-long-legs), which has hindered comparative study. We assembled the first opilionid draft genome for the species Phalangium opilio, which bears elongate, prehensile appendages, made possible by numerous distal articles called tarsomeres. Here, we show that the genome of P. opilio exhibits a single Hox cluster...

Subsampling and DNA pooling can increase gains through genomic selection in switchgrass

Neal Wepking Tilhou & Michael D. Casler
Genomic selection (GS) can accelerate breeding cycles in perennial crops such as the bioenergy grass switchgrass (Panicum virgatum L.). The sequencing costs of GS can be reduced by pooling DNA samples in the training population (TP), only sequencing TP phenotypic outliers, or pooling candidate population (CP) samples. These strategies were simulated for two traits (spring vigor and anthesis date) in three breeding populations. Sequencing only the outlier 50% of the TP phenotype distribution resulted in...

Stresses affect inbreeding depression in complex ways: Disentangling stress-specific genetic effects from effects of initial size in plants

Tobias M. Sandner, Diethart Matthies & Donald M. Waller
The magnitude of inbreeding depression (ID) varies unpredictably among environments. ID often increases in stressful environments suggesting that these expose more deleterious alleles to selection or increase their effects. More simply, ID could increase under conditions that amplify phenotypic variation (CV²), e.g. by accentuating size hierarchies among plants. These mechanisms are difficult to distinguish when stress increases both ID and phenotypic variation. We grew in- and outbred progeny of Mimulus guttatus under six abiotic stress...

Comparison of serological and molecular assays for Bartonella species in dogs with hemangiosarcoma

Erin Lashnits
Currently, a gold standard diagnostic test for Bartonella infection in dogs is lacking. This represents a critical limitation for the development and evaluation of new diagnostic tests, as well as for the diagnosis of, and research on, bartonellosis in dogs. This retrospective observational study aims to compare the results of commonly performed and newly-reported Bartonella spp. diagnostic tests in banked clinical specimens from 90 dogs with hemangiosarcoma (HSA) using composite reference standard (CRS) and random...

Recovery of a cultivation grazer: A mechanism for compensatory growth of Thalassia testudinum in a Caribbean seagrass meadow grazed by green turtles

Alexandra Gulick, Robert Johnson, Clayton Pollock, Zandy Hillis-Starr, Alan Bolten & Karen Bjorndal
Recovery of green turtles (Chelonia mydas), mega-herbivores that consume seagrasses, is resulting in dramatic ecosystem-wide changes as meadows are returned to a natural grazed state. The green turtle grazing strategy, with long-term cultivation of meadows and high foraging site fidelity, is distinct from other terrestrial and aquatic mega-herbivores and may affect seagrass compensatory growth responses. Identifying mechanisms of compensatory growth responses to grazing is essential to understanding the functioning of plant systems under natural grazing...

Data from: Infection prevalence and density of a pathogenic trematode parasite decrease with stream order along a river continuum

Landon Falke & Daniel Preston
In lotic ecosystems, the River Continuum Concept (RCC) provides a framework for understanding changes in environmental factors and free-living communities, yet how parasite populations shift along river continua remains less clear. We quantified infections by a pathogenic trematode parasite (Nanophyetus salmincola) in >14,000 host snails across 130 stream reaches spanning 165 km in the Willamette River Basin in western Oregon, USA. Environmental factors – including flow volume, temperature, benthic algae, canopy cover, woody debris, and...

Assessing the effectiveness of a forest Habitat Conservation Plan for a threatened seabird, the marbled murrelet

Kristin Brunk, Sal Chinnici, Anna Pidgeon & M. Zachariah Peery
Habitat Conservation Plans (HCPs) commonly facilitate habitat conservation on private land in the United States, yet the effectiveness of individual HCPs is rarely evaluated. Here, we assess the effectiveness of a high-profile HCP created by a lumber company to protect old-growth forest used for breeding by Marbled Murrelets (Brachyramphus marmoratus) on private land. We used 17 years of HCP-monitoring data to compare trends in murrelet occupancy and inland counts between private HCP areas and public...

Data from: Early origin of sweet perception in the songbird radiation

Yasuka Toda, Meng-Ching Ko, Qiaoyi Liang, Eliot Miller, Alejandro Rico-Guevara, Tomoya Nakagita, Ayano Sakakibara, Kana Uemura, Timothy Sackton, Takashi Hayakawa, Simon Yung Wa Sin, Yoshiro Ishimaru, Takumi Misaka, Pablo Oteiza, James Crall, Scott Edwards, Shuichi Matsumura & Maude Baldwin
Early events in the evolutionary history of a clade can shape the sensory systems of descendant lineages. Although the avian ancestor may not have had a sweet receptor, the widespread incidence of nectar-feeding birds suggests multiple acquisitions of sugar detection. In this study, we identify a single early sensory shift of the umami receptor (the T1R1-T1R3 heterodimer) that conferred sweet-sensing abilities in songbirds, a large radiation containing nearly half of all living birds. We demonstrate...

Characterization of Salix nigra floral insect community and activity of three native Andrena bees

Stephen DiFazio, Sandra Simon, Ken Keefover-Ring, Yong-Lak Park, Gina Wimp & Julianne Grady
Salix nigra (black willow) is a widespread tree that hosts many species of polylectic hymenopterans and oligolectic bees of the genus Andrena. The early flowering of S. nigra makes it an important nutritive resource for insects emerging from hibernation. However, since S. nigra is dioecious, not all insect visits will lead to successful pollination. Using both visual observation and pan-trapping we characterized the community of insects that visited S. nigra flowers and assessed differences among...

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