733 Works

Data from: Repeated land mass reformation limits diversification in the widespread littoral zone mosquito Anopheles sundaicus sensu lato in the Indo-Oriental Region

Magdalena Zarowiecki, Yvonne-Marie Linton, Rory J. Post, Michael J. Bangs, Pe Than Htun, Thaung Hlaing, Chang Moh Seng, Visut Baimai, Trung Ho Ding, Tho Sochantha & Catherine Walton
Southeast Asia harbours abundant biodiversity, hypothesized to have been generated by Pliocene and Pleistocene climatic and environmental change. Vicariance between the island of Borneo, the remaining Indonesian archipelago and mainland Southeast Asia caused by elevated sea levels during interglacial periods has been proposed to lead to diversification in the littoral zone mosquito Anopheles (Cellia) sundaicus (Rodenwaldt) sensu lato. To test this biogeographical hypothesis, we inferred the population history and assessed gene flow of A. sundaicus...

Data from: Ecological fidelity of functional traits based on species presence-absence in a modern mammalian bone assemblage (Amboseli, Kenya)

Joshua H. Miller, Anna Kay Behrensmeyer, Andrew Du, S. Kathleen Lyons, David Patterson, Anikó Tóth, Amelia Villaseñor, Erustus Kanga & Denné Reed
Comparisons between modern death assemblages and their source communities have demonstrated fidelity to species diversity across a variety of environments and taxonomic groups. However, differential species preservation and collection (including body-size bias) in both modern and fossil death assemblages may still skew the representation of other important ecological characteristics. Here, we move beyond live-dead taxonomic fidelity and focus on the recovery of functional ecology (how species interact with their ecosystem) at the community level for...

Data from: Reading the leaves: a comparison of leaf rank and automated areole measurement for quantifying aspects of leaf venation

Walton A. Green, Stefan A. Little, Charles A. Price, Scott L. Wing, Selena Y. Smith, Benjamin Kotrc & Gabriela Doria
The reticulate venation that is characteristic of a dicot leaf has excited interest from systematists for more than a century, and from physiological and developmental botanists for decades. The tools of digital image acquisition and computer image analysis, however, are only now approaching the sophistication needed to quantify aspects of the venation network found in real leaves quickly, easily, accurately, and reliably enough to produce biologically meaningful data. In this paper, we examine 120 leaves...

Data from: Target enrichment of ultraconserved elements from arthropods provides a genomic perspective on relationships among Hymenoptera

Brant C. Faircloth, Michael G. Branstetter, Noor D. White & Séan G. Brady
Gaining a genomic perspective on phylogeny requires the collection of data from many putatively independent loci across the genome. Among insects, an increasingly common approach to collecting this class of data involves transcriptome sequencing, because few insects have high-quality genome sequences available; assembling new genomes remains a limiting factor; the transcribed portion of the genome is a reasonable, reduced subset of the genome to target; and the data collected from transcribed portions of the genome...

Data from: Evolutionary bursts in Euphorbia (Euphorbiaceae) are linked with photosynthetic pathway

James W. Horn, Zhenxiang Xi, Ricarda Riina, Jess A. Peirson, Ya Yang, Brian L. Dorsey, Paul E. Berry, Charles C. Davis & Kenneth J. Wurdack
The mid-Cenozoic decline of atmospheric CO2 levels that promoted global climate change was critical to shaping contemporary arid ecosystems. Within angiosperms, two CO2-concentrating mechanisms (CCMs)—CAM and C4—evolved from the C3 photosynthetic pathway, enabling more efficient whole-plant function in such environments. Many angiosperm clades with CCMs are thought to have diversified rapidly due to Miocene aridification, but links between this climate change, CCM evolution, and increased net diversification rates (r) remain to be further understood. Euphorbia...

Data from: Insects on plants: explaining the paradox of low diversity within specialist herbivore guilds

Vojtech Novotny, Scott E. Miller, Jan Hrcek, Leontine Baje, Yves Basset, Owen T. Lewis, Alan J. A. Stewart & George D. Weiblen
Classical niche theory explains the coexistence of species through their exploitation of different resources. Assemblages of herbivores coexisting on a particular plant species are thus expected to be dominated by species from host-specific guilds with narrow, coexistence-facilitating niches, rather than by species from generalist guilds. Exactly the opposite pattern is observed for folivores feeding on trees in New Guinea. The least specialized mobile chewers were most species-rich, followed by the moderately specialized semi-concealed and exposed...

Data from: Human-induced marine ecological degradation: micropaleontological perspectives

Moriaki Yasuhara, Gene Hunt, Denise Breitburg, Akira Tsujimoto & Kota Katsuki
We analyzed published downcore microfossil records from 150 studies and reinterpreted them from an ecological degradation perspective to address the following, critical but still imperfectly answered questions: (1) How is the timing of human-induced degradation of marine ecosystems different among regions? (2) What are the dominant causes of human-induced marine ecological degradation? (3) How can we better document natural variability and thereby avoid the problem of shifting baselines of comparison as degradation progresses over time?...

Data from: The ‘Oxycythereis’ problem: taxonomy and palaeobiogeography of deep-sea ostracod genera Pennyella and Rugocythereis

Moriaki Yasuhara, Gene Hunt, Hisayo Okahashi & Simone N. Brandão
Systematic revision of the globally distributed deep-sea ostracod genera Pennyella Neale, 1974 and Rugocythereis Dingle, Lord and Boomer, 1990, which have been considered to correspond, at least partially, to nomen nudum but widely used genus name ‘Oxycythereis,’ was conducted to reduce taxonomic uncertainty of these important components of the Modern and fossil deep-sea ostracod community. Approximately 100 specimens from 18 species were examined, ranging in age from the Cretaceous to the present day. Nine new...

Data from: Phylogenetic evidence for a shift in the mode of mammalian body size evolution at the Cretaceous-Paleogene boundary

Graham J. Slater
NOTE: Please also see Slater (2014) published in Methods in Ecology and Evolution at http://dx.doi.org/10.1111/2041-210X.12201 1. Phylogenetic comparative methods provide a powerful way of addressing classic questions about tempo and mode of phenotypic evolution in the fossil record, such as whether mammals increased in body size diversity after the Cretaceous-Paleogene (K-Pg) extinction. 2. Most often, these kinds of questions are addressed in the context of variation in evolutionary rates. Shifts in the mode of phenotypic...

Data from: Using a comprehensive DNA barcode library to detect novel egg and larval host plant associations in a Cephaloleia Rolled-leaf Beetle (Coleoptera: Chrysomelidae)

Carlos Garcia-Robledo, Erin K. Kuprewicz, Charles L. Staines, W. John Kress & Terry L. Erwin
To fully understand the ecology and evolution of plant-herbivore interactions, information regarding the life history of both immature and adult insect stages is essential. However, most knowledge of plant-herbivore associations is derived from observations of adults. One reason for this bias is that species identification of immature stages is usually challenging. DNA barcodes can be used to identify immature stages to the species-level. This technique compares short sequences of the appropriate DNA barcode loci (e.g.,...

Data from: Molecular phylogeny of the horse flies: a framework for renewing tabanid taxonomy

Shelah I. Morita, Keith M. Bayless, David K. Yeates & Brian M. Wiegmann
Horse flies, family Tabanidae, are the most diverse family-level clade of bloodsucking insects, but their phylogeny has never been thoroughly explored using molecular data. Most adult female Tabanidae feed on nectar and on the blood of various mammals. Traditional horse fly classification tends towards large heterogeneous taxa, which impede much-needed taxonomic work. To guide renewed efforts in the systematics of horse flies and their relatives, we assembled a dataset of 110 exemplar species using nucleotide...

Data from: Bacterial symbiont sharing in Megalomyrmex social parasites and their fungus-growing ant hosts

Joanito Liberti, Panagiotis Sapountzis, Lars H. Hansen, Søren J. Sørensen, Rachelle M. M. Adams & Jacobus J. Boomsma
Bacterial symbionts are important fitness determinants of insects. Some hosts have independently acquired taxonomically related microbes to meet similar challenges, but whether distantly related hosts that live in tight symbiosis can maintain similar microbial communities has not been investigated. Varying degrees of nest sharing between Megalomyrmex social parasites (Solenopsidini) and their fungus-growing ant hosts (Attini) from the genera Cyphomyrmex, Trachymyrmex and Sericomyrmex allowed us to address this question, as both ant lineages rely on the...

Data from: A target enrichment method for gathering phylogenetic information from hundreds of loci: an example from the Compositae

Jennifer R. Mandel, Rebecca B. Dikow, Vicki A. Funk, Rishi R. Masalia, S. Evan Staton, Alex Kozik, Richard W. Michelmore, Loren H. Rieseberg & John M. Burke
Premise of the study: The Compositae (Asteraceae) are a large and diverse family of plants, and the most comprehensive phylogeny to date is a meta-tree based on 10 chloroplast loci that has several major unresolved nodes. We describe the development of an approach that enables the rapid sequencing of large numbers of orthologous nuclear loci to facilitate efficient phylogenomic analyses. Methods and Results: We designed a set of sequence capture probes that target conserved orthologous...

Data from: The evolutionary history of ferns inferred from 25 low-copy nuclear genes

Carl J. Rothfels, Fay-Wei Li, Erin M. Sigel, Layne Huiet, Anders Larsson, Dylan O. Burge, Markus Ruhsam, Michael Deyholos, Douglas E. Soltis, , Shane W. Shaw, Lisa Pokorny, Tao Chen, Claude DePamphilis, Lisa DeGironimo, Li Chen, Xiaofeng Wei, Xiao Sun, Petra Korall, Dennis W. Stevenson, Sean W. Graham, Gane Ka-Shu Wong, Kathleen M. Pryer, C. Neal Stewart, Gane K-S. Wong … & Claude De Pamphilis
Premise of the study: Understanding fern (monilophyte) phylogeny and its evolutionary timescale is critical for broad investigations of the evolution of land plants, and for providing the point of comparison necessary for studying the evolution of the fern sister group, seed plants. Molecular phylogenetic investigations have revolutionized our understanding of fern phylogeny, however, to date, these studies have relied almost exclusively on plastid data. Methods: Here we take a curated phylogenomics approach to infer the...

Data from: Rising atmospheric CO2 is reducing the protein concentration of a floral pollen source essential for North American bees

Lewis H. Ziska, Jeffery S. Pettis, Joan Edwards, Jillian E. Hancock, Martha B. Tomecek, Andrew Clark, Jeffrey S. Dukes, Irakli Loladze & H. Wayne Polley
At present, there is substantive evidence that the nutritional content of agriculturally important food crops will decrease in response to rising levels of atmospheric carbon dioxide, Ca. However, whether Ca-induced declines in nutritional quality are also occurring for pollinator food sources is unknown. Flowering late in the season, goldenrod (Solidago spp.) pollen is a widely available autumnal food source commonly acknowledged by apiarists to be essential to native bee (e.g. Bombus spp.) and honeybee (Apis...

Data from: Transcriptome sequencing reveals genome-wide variation in molecular evolutionary rate among ferns

Amanda L. Grusz, Carl J. Rothfels & Eric Schuettpelz
Background: Transcriptomics in non-model plant systems has recently reached a point where the examination of nuclear genome-wide patterns in understudied groups is an achievable reality. This progress is especially notable in evolutionary studies of ferns, for which molecular resources to date have been derived primarily from the plastid genome. Here, we utilize transcriptome data in the first genome-wide comparative study of molecular evolutionary rate in ferns. We focus on the ecologically diverse family Pteridaceae, which...

Data from: Taxon sampling to address an ancient rapid radiation: a supermatrix phylogeny of early brachyceran flies (Diptera)

Seunggwan Shin, Keith M. Bayless, Shaun L. Winterton, Torsten Dikow, Bryan D. Lessard, David K. Yeates, Brian M. Wiegmann & Michelle D. Trautwein
Early diverging brachyceran fly lineages underwent a rapid radiation approximately 180 million years ago, coincident in part with the origin of flowering plants. This region of the fly tree includes 25,000 described extant species with diverse ecological roles such as blood feeding (haematophagy), parasitoidism, predation, pollination, and wood feeding (xylophagy). Early diverging brachyceran lineages were once considered a monophyletic group of families called Orthorrhapha, based on the shared character of a longitudinal break in the...

Data from: Seascapes as drivers of herbivore assemblages in coral reef ecosystems

George Roff, Sonia Bejarano, Mark Priest, Alyssa Marshell, Iliana Chollett, Robert S. Steneck, Christopher Doropoulos, Yimnang Golbuu & Peter J. Mumby
Herbivorous fish maintain a critical ecosystem function on coral reefs by grazing algae and maintaining highly productive algal turf assemblages. Current paradigms implicate habitat complexity, predation and primary productivity as major drivers of the distribution and abundance of herbivorous fish, yet little is known about the relative contribution of these factors. Here, we compare bottom-up and top-down drivers of notional herbivore assemblages across an environmental gradient of wave exposure in the Palau archipelago. We surveyed...

Data from: Phylogeny and evolutionary history of diplobathrid crinoids (Echinodermata)

Selina R. Cole
Order Diplobathrida is a major clade of camerate crinoids spanning the Ordovician–Mississippian, yet phylogenetic relationships have only been inferred for Ordovician taxa. This has hampered efforts to construct a comprehensive tree of life for crinoids and develop a classification scheme that adequately reflects diplobathrid evolutionary history. Here, I apply maximum parsimony and Bayesian phylogenetic approaches to the fossil record of diplobathrids to infer the largest tree of fossil crinoids to date, with over 100 genera...

Data from: The roots of the drought: hydrology and water uptake strategies mediate forest-wide demographic response to precipitation

Rutuja Chitra-Tarak, Laurent Ruiz, H. S. Dattaraja, M. S. Mohan Kumar, Jean Riotte, H. S. Suresh, Sean M. McMahon & Raman Sukumar
Drought-induced tree mortality is expected to increase globally due to climate change, with profound implications for forest composition, function and global climate feedbacks. How drought is experienced by different species is thought to depend fundamentally on where they access water vertically below ground, but this remains untracked so far due to the difficulty of measuring water availability at depths at which plants access water (few to several tens of meters), the broad temporal scales at...

Data from: Personality links with lifespan in chimpanzees

Drew M Altschul, William D Hopkins, Elizabeth S Herrelko, Miho Inoue-Murayama, Tetsuro Matsuzawa, James E King, Stephen R Ross & Alexander Weiss
Life-history strategies for optimizing individual fitness fall on a spectrum between maximizing reproductive efforts and maintaining physical health over time. Strategies across this spectrum are viable and different suites of personality traits have evolved to support these strategies. Using personality and survival data from 538 captive chimpanzees (Pan troglodytes) we tested whether any of the dimensions of chimpanzee personality - agreeableness, conscientiousness, dominance, extraversion, neuroticism, and openness - were associated with longevity, an attribute of...

Data from: Enriching the ant tree of life: enhanced UCE bait set for genome-scale phylogenetics of ants and other Hymenoptera

Michael G. Branstetter, John T. Longino, Philip S. Ward & Brant C. Faircloth
1. Targeted enrichment of conserved genomic regions (e.g., ultraconserved elements or UCEs) has emerged as a promising tool for inferring evolutionary history in many organismal groups. Because the UCE approach is still relatively new, much remains to be learned about how best to identify UCE loci and design baits to enrich them. 2. We test an updated UCE identification and bait design workflow for the insect order Hymenoptera, with a particular focus on ants. The...

Data from: Independent evolution of baleen whale gigantism linked to Plio-Pleistocene ocean dynamics

Graham J. Slater, Jeremy A. Goldbogen & Nicholas D. Pyenson
Vertebrates have evolved to gigantic sizes repeatedly over the past 250 Myr, reaching their extreme in today's baleen whales (Mysticeti). Hypotheses for the evolution of exceptionally large size in mysticetes range from niche partitioning to predator avoidance, but there has been no quantitative examination of body size evolutionary dynamics in this clade and it remains unclear when, why or how gigantism evolved. By fitting phylogenetic macroevolutionary models to a dataset consisting of living and extinct...

Data from: The shape of success in a turbulent world: wave exposure filtering of coral reef herbivory

Sonia Bejarano, Jean-Baptiste Jouffray, Iliana Chollett, Robert Allen, George Roff, Alyssa Marshell, Robert Steneck, Sebastian C. A. Ferse & Peter J. Mumby
While environmental filters are well-known factors influencing community assembly, the extent to which these modify species functions, and entire ecosystem processes, is poorly understood. Focusing on a high-diversity system, we ask whether environmental filtering has ecosystem-wide effects beyond community assembly. We characterise a coral reef herbivorous fish community for swimming performance based on ten functional traits derived from fish morphology. We then investigate whether wave exposure modifies the functional make-up of herbivory, and the absolute...

Data from: The evolution of a complex trait: cuticular hydrocarbons in ants evolve independent from phylogenetic constraints

Florian Menzel, Thomas Schmitt & Bonnie B. Blaimer
Cuticular hydrocarbons (CHC) are ubiquitous and highly diverse in insects, serving as communication signal and waterproofing agent. Despite their vital function, the causes, mechanisms and constraints on CHC diversification are still poorly understood. Here, we investigated phylogenetic constraints on the evolution of CHC profiles, using a global dataset of the species-rich and chemically diverse ant genus Crematogaster. We decomposed CHC profiles into quantitative (relative abundances, chain length) and qualitative traits (presence/absence of CHC classes). A...

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  • Smithsonian Institution
  • University of Copenhagen
  • University of Florida
  • Harvard University
  • University of Oxford
  • Cornell University
  • California Academy of Sciences
  • University of Maryland, College Park
  • University of California, Davis
  • Monterey Bay Aquarium Research Institute