97 Works

The Robotics Academy: An Immersive Learning Game for Training Industrial Robots

Shahin Vassigh, Eric Peterson, Biayna Bogosian & Jorge Tubella
Emerging technologies, including artificial intelligence (AI), robotics, digital fabrication, spatial computing, and immersive media such as Augmented Reality (AR) and Virtual Reality (VR), are changing the employment landscape across a broad range of industries. It is anticipated that these technologies will enhance research and innovation, increase productivity, and spur new types of occupations and entrepreneurship. In the architecture, engineering, and construction (AEC) fields, automated building design with advanced software facilitating mass customization will change how...

Data from: Fire frequency drives habitat selection by a diverse herbivore guild impacting top–down control of plant communities in an African savanna

Deron E. Burkepile, Dave I. Thompson, Richard W. S. Fynn, Sally E. Koerner, Stephanie Eby, Navashni Govender, Nicole Hagenah, Nathan P. Lemoine, Katherine J. Matchett, Kevin R. Wilcox, Scott L. Collins, Kevin P. Kirkman, Alan K. Knapp & Melinda D. Smith
In areas with diverse herbivore communities such as African savannas, the frequency of disturbance by fire may alter the top–down role of different herbivore species on plant community dynamics. In a seven year experiment in the Kruger National Park, South Africa, we examined the habitat use of nine common herbivore species across annually burned, triennially burned and unburned areas. We also used two types of exclosures (plus open access controls) to examine the impacts of...

Data from: The influence of host plant extrafloral nectaries on multitrophic interactions: an experimental investigation

Suzanne Koptur, Ian M. Jones & Jorge E. Peña
A field experiment was conducted with outplantings of the native perennial shrub Senna mexicana var. chapmanii in a semi-natural area adjacent to native pine rockland habitat in southern Florida. The presence of ants and the availability of extrafloral nectar were manipulated in a stratified random design. Insect communities were monitored and recorded over a period of six months with a view to addressing three main questions. Do ants provide biotic defense against key herbivores on...

Data from: Population structure, connectivity and demographic history of an apex marine predator, the bull shark Carcharhinus leucas

Agathe Pirog, Virginie Ravigné, Michaël Fontaine, Adrien Rieux, Aude Gilabert, Geremy Cliff, Eric Clua, Ryan Daly, Michael Heithaus, Jeremy Kiszka, Philip Matich, John Nevill, Amy Smoothey, Andrew Temple, Per Berggren, Sebastien Jaquemet & Hélène Magalon
Knowledge of population structure, connectivity and effective population size remains limited for many marine apex predators, including the bull shark Carcharhinus leucas. This large-bodied coastal shark is distributed worldwide in warm temperate and tropical waters, and uses estuaries and rivers as nurseries. As an apex predator, the bull shark likely plays a vital ecological role within marine food webs, but is at risk due to inshore habitat degradation and various fishing pressures. We investigated the...

Datafile - In situ adaptation and ecological release facilitate the occupied niche expansion of an invasive Madagascan day gecko in Florida

Thomas Fieldsend, Nicolas Dubos, Kenneth Krysko, Christopher Raxworthy & Sparkle Malone
Aim To investigate whether the frequently advocated climate-matching species distribution modelling approach could predict the well-characterized colonization of Florida by the Madagascar giant day gecko Phelsuma grandis. Location Madagascar and Florida, USA. Methods To determine the climatic conditions associated with the native range of P. grandis, we used native-range presence-only records and Bioclim climatic data to build a Maxent species distribution model and projected the climatic thresholds of the native range onto Florida. We then...

Archive data for: Loss of predation risk from apex predators can exacerbate marine tropicalization caused by extreme climatic events

Robert Nowicki, Jordan Thomson, James Fourqurean, Aaron Wirsing & Michael Heithaus
1. Extreme climatic events (ECEs) and predator removal represent some of the most widespread stressors to ecosystems. Though species interactions can alter ecological effects of climate change (and vice versa), it is less understood whether, when, and how predator removal can interact with ECEs to exacerbate their effects. Understanding the circumstances under which such interactions might occur is critical because predator loss is widespread and ECEs can generate rapid phase shifts in ecosystems which can...

Data from: A journey on plate tectonics sheds light on European crayfish phylogeography

Lucian Pârvulescu, Jorge L. Pérez-Moreno, Cristian Panaiotu, Lucian Drăguț, Anne Schrimpf, Ioana‐Diana Popovici, Claudia Zaharia, András Weiperth, Blanka Gál, Christoph D. Schubart & Heather Bracken-Grissom
Crayfish can be used as model organisms in phylogeographic and divergence time studies if reliable calibrations are available. This study presents a comprehensive investigation into the phylogeography of the European stone crayfish (Austropotamobius torrentium) and includes samples from previously unstudied sites. Two mitochondrial markers were used to reveal evolutionary relationships among haplogroups throughout the species’ distributional range and to estimate the divergence time by employing both substitution rates and geological calibration methods. Our haplotype network...

Data from: Indirect legacy effects of an extreme climactic event on a marine megafaunal community

Robert Nowicki, Michael Heithaus, Jordan Thomson, Derek Burkholder, Kirk Gastrich & Aaron Wirsing
While extreme climactic events (ECEs) are predicted to become more frequent, reliably predicting their impacts on consumers remains challenging– particularly for large consumers in marine environments. Many studies that do evaluate ECE effects focus primarily on direct effects, though indirect effects can be equally or more important. Here, we investigate the indirect impacts of the 2011 “Ningaloo Niño” marine heatwave ECE on a diverse megafauna community in Shark Bay, Western Australia. We use an 18...

Data from: Worldwide exploration of the microbiome harbored by the cnidarian model, Exaiptasia pallida (Agassiz in Verrill, 1864) indicates a lack of bacterial association specificity at a lower taxonomic rank

Tanya Brown, Christopher Otero, Alejandro Grajales, Estefania Rodriguez & Mauricio Rodriguez-Lanetty
Examination of host-microbe interactions in early diverging metazoans, such as cnidarians, is of great interest from an evolutionary perspective to understand how host-microbial consortia have evolved. To address this problem, we analyzed whether the bacterial community associated with the cosmopolitan and model sea anemone Exaiptasia pallida shows specific patterns across worldwide populations ranging from the Caribbean Sea, and the Atlantic and Pacific oceans. By comparing sequences of the V1–V3 hypervariable regions of the bacterial 16S...

Data from: Distributions of irritative zones are related to individual alterations of resting-state networks in focal epilepsy

Yinchen Song, Basavaraju G. Sanganahalli, Fahmeed Hyder, Wei-Chiang Lin & Jorge J. Riera
Alterations in the connectivity patterns of the fMRI-based resting-state networks (RSNs) have been reported in several types of epilepsies. Evidence pointed out these alterations might be associated with the genesis and propagation of interictal epileptiform discharges (IEDs). IEDs also evoke blood-oxygen-level dependent (BOLD) responses, which have been used to delineate irritative zones during preoperative work-up. Therefore, one may expect a relationship between the topology of the IED-evoked BOLD response network and the altered spatial patterns...

Data from: Globally, functional traits are weak predictors of juvenile tree growth, and we do not know why

C. E. Timothy Paine, Lucy Amissah, Harald Auge, Christopher Baraloto, Martin Baruffol, Nils Bourland, Helge Bruelheide, Kasso Daïnou, Roland C. De Gouvenain, Jean-Louis Doucet, Susan Doust, Paul V. A. Fine, Claire Fortunel, Josephine Haase, Karen D. Holl, Hervé Jactel, Xuefei Li, Kaoru Kitajima, Julia Koricheva, Cristina Martínez-Garza, Christian Messier, Alain Paquette, Christopher Philipson, Daniel Piotto, Lourens Poorter … & Andy Hector
1. Plant functional traits, in particular specific leaf area (SLA), wood density and seed mass, are often good predictors of individual tree growth rates within communities. Individuals and species with high SLA, low wood density and small seeds tend to have faster growth rates. 2. If community-level relationships between traits and growth have general predictive value, then similar relationships should also be observed in analyses that integrate across taxa, biogeographic regions and environments. Such global...

Data from: Carbon recovery dynamics following disturbance by selective logging in Amazonian forests

Camille Piponiot, Plinio Sist, Lucas Mazzei, Marielos Peña-Claros, Francis E. Putz, Ervan Rutishauser, Alexander Shenkin, Nataly Ascarrunz, Celso P. De Azevedo, Christopher Baraloto, Mabiane França, Marcelino Guedes, Eurídice N. Honorio Coronado, Marcus V. N. D'Oliveira, Ademir R. Ruschel, Katia E. Da Silva, Eleneide Doff Sotta, Cintia R. De Souza, Edson Vidal, Thales A. P. West, Bruno Hérault & Thales AP West
When 2 Mha of Amazonian forests are disturbed by selective logging each year, more than 90 Tg of carbon (C) is emitted to the atmosphere. Emissions are then counterbalanced by forest regrowth. With an original modelling approach, calibrated on a network of 133 permanent forest plots (175 ha total) across Amazonia, we link regional differences in climate, soil and initial biomass with survivors' and recruits' C fluxes to provide Amazon-wide predictions of post-logging C recovery....

Data from: Variable effects of temperature on insect herbivory

Nathan P. Lemoine, Deron E. Burkepile & John D. Parker
Rising temperatures can influence the top-down control of plant biomass by increasing herbivore metabolic demands. Unfortunately, we know relatively little about the effects of temperature on herbivory rates for most insect herbivores in a given community. Evolutionary history, adaptation to local environments, and dietary factors may lead to variable thermal response curves across different species. Here we characterized the effect of temperature on herbivory rates for 21 herbivore-plant pairs, encompassing 14 herbivore and 12 plant...

Data from: Meek mothers with powerful daughters: effects of novel host environments and small trait differences on parasitoid competition

Gabriela Hamerlinck, Nathan P. Lemoine, Glen R. Hood, Karen C. Abbott & Andrew A. Forbes
Outcomes of competition may depend both on subtle differences in traits relevant to fitness and on how those traits are expressed in the context of the environment. Environmental effects on traits impacting population dynamics are often overlooked in studies of parasitic wasp (parasitoid) competition. Lineages of the parasitoid Diachasma alloeum (Hymenoptera: Braconidae) differ in relative ovipositor length (a trait affecting the proportion of hosts available for parasitism). Since the size of natal hosts affects the...

AI for Archives: Using Facial Recognition to Enhance Metadata

Rebekka Baker
This is the slide presentation from the 2019 LYRASIS Leaders Summit documenting the Florida International University Catalyst Fund project - AI for Archives: Using Facial Recognition to Enhance Metadata.

Data from: Gene expression profiling reveals deep-sea coral response to the Deepwater Horizon oil spill

Danielle M. DeLeo, Santiago Herrera, Stephen D. Lengyel, Andrea M. Quattrini, Rob J. Kulathinal & Erik E. Cordes
Deep-sea coral communities are key components of the Gulf of Mexico ecosystem and were adversely affected by the Deepwater Horizon (DWH) oil spill. Coral colonies exposed to oil and dispersant exhibited mortality, damage, and physiological signatures of stress. Understanding how corals respond to oil and dispersant exposure at the molecular level is important to elucidate the sub-lethal effects of the DWH disaster, and reveal broader patterns of coral stress responses. Gene expression profiles from RNAseq...

Data from: Did Late Pleistocene climate change result in parallel genetic structure and demographic bottlenecks in sympatric Central African crocodiles, Mecistops and Osteolaemus?

Matthew H. Shirley & James D. Austin
The mid-Holocene has had profound demographic impacts on wildlife on the African continent, though there is little known about the impacts on species from Central Africa. Understanding the impacts of climate change on co-distributed species can enhance our understanding of ecosystem dynamics and for formulating restoration objectives. We took a multi-genome comparative approach to examine the phylogeographic structure of two poorly known Central African crocodile species - Mecistops sp. aff. cataphractus and Osteolaemus tetraspis. In...

Data from: Analysis of animal accelerometer data using hidden Markov models

Vianey Leos-Barajas, Theoni Photopoulou, Roland Langrock, Toby A. Patterson, Yuuki Y. Watanabe, Megan Murgatroyd & Yannis P. Papastamatiou
Use of accelerometers is now widespread within animal biologging as they provide a means of measuring an animal's activity in a meaningful and quantitative way where direct observation is not possible. In sequential acceleration data, there is a natural dependence between observations of behaviour, a fact that has been largely ignored in most analyses. Analyses of acceleration data where serial dependence has been explicitly modelled have largely relied on hidden Markov models (HMMs). Depending on...

Data from: Phylogenetic evidence from freshwater crayfishes that cave adaptation is not an evolutionary dead-end

David Ben Stern, Jesse Breinholt, Carlos Pedraza-Lara, Marilú López-Mejía, Christopher L. Owen, Heather Bracken-Grissom, , Keith A. Crandall & James W. Fetzner
Caves are perceived as isolated, extreme habitats with a set of uniquely specialized biota, which long ago led to the idea that caves are ‘evolutionary dead-ends.’ This suggests that cave-adapted taxa may be doomed for extinction before they can diversify or transition to a more stable state. However, this hypothesis has not been explicitly tested in a phylogenetic framework with multiple independent cave-dwelling groups. Here we use the freshwater crayfish, a group with dozens of...

Data from: Predation risk, resource quality, and reef structural complexity shape territoriality in a coral reef herbivore

Laura B. Catano, Bridgette K. Gunn, Megan C. Kelley & Deron E. Burkepile
For many species securing territories is important for feeding and reproduction. Factors such as competition, habitat availability, and male characteristics can influence an individual’s ability to establish and maintain a territory. The risk of predation can have an important influence on feeding and reproduction; however, few have studied its effect on territoriality. We investigated territoriality in a haremic, polygynous species of coral reef herbivore, Sparisoma aurofrenatum (redband parrotfish), across eight reefs in the Florida Keys...

Abu Dhabi Blue Carbon project

Lisa Schile, J. Boone Kauffman, J. Patrick Megonigal, James Fourqurean & Stephen Crooks
Coastal ecosystems produce and sequester significant amounts of carbon (‘blue carbon’), which has been well documented in humid and semi-humid regions of temperate and tropical climates but less so in arid regions where mangroves, marshes, and seagrasses exist near the limit of their tolerance for extreme temperature and salinity. To better understand these unique systems, we measured whole-ecosystem carbon stocks (above- and belowground biomass and soil) in 58 sites across the United Arab Emirates in...

Data from: Biodiversity assessment of tropical shelf eukaryotic communities via pelagic eDNA metabarcoding

Owen S. Wangensteen, Judith Bakker, Stefano Mariani, Charles Baillie, Dayne Buddo, Demian D. Chapman, Austin J. Gallagher, Tristan L. Guttridge & Heidi Hertler
Our understanding of marine communities and their functions in an ecosystem relies on the ability to detect and monitor species distributions and abundances. Currently, the use of environmental DNA (eDNA) metabarcoding is increasingly being applied for the rapid assessment and monitoring of aquatic species. Most eDNA metabarcoding studies have either focused on the simultaneous identification of a few specific taxa/groups or have been limited in geographical scope. Here we employed eDNA metabarcoding to compare beta...

Oceanographic features and limited dispersal shape the population genetic structure of the vase sponge Ircinia campana in the Greater Caribbean

Sarah Griffiths, Mark Butler, Donald Behringer, Thierry Pérez & Richard Preziosi
Understanding population genetic structure can help us to infer dispersal patterns, predict population resilience and design effective management strategies. For sessile species with limited dispersal, this is especially pertinent because genetic diversity and connectivity are key aspects of their resilience to environmental stressors. Here, we describe the population structure of Ircinia campana, a common Caribbean sponge subject to mass mortalities and disease. Microsatellites were used to genotype 440 individuals from 19 sites throughout the Greater...

A closer look at invasiveness and relatedness: life histories, temperature and establishment success of four congeners

Jennifer Rehage, Eric Maurer, Laura Lopez & Andy Sih
Successful invasive species are often closely related to other invasive species suggesting that shared traits contribute to their invasion success. Alternatively, related species can differ in invasiveness, where some are highly invasive yet congeners seem unable to invade. Here, we compared the traits and establishment abilities of two highly successful invasive species, Gambusia affinis and G. holbrooki to those of two close relatives, G. geiseri and G. hispaniolae. Using laboratory experiments, we compared low temperature...

Habitat structure mediates vulnerability to climate change through its effects on thermoregulatory behavior

Lauren Neel, Michael Logan, Daniel Nicholson, Christina Miller, Albert Chung, Inbar Maayan, Zach Degon, Madeline DuBois, John David Curlis, Q Taylor, Kaitlin Keegan, Owen McMillan, Jonathan Losos & Christian Cox
Tropical ectotherms are thought to be especially vulnerable to climate change because they are thermal specialists, having evolved in aseasonal thermal environments. However, even within the tropics, habitat structure can influence opportunities for behavioral thermoregulation. Open (and edge) habitats likely promote more effective thermoregulation due to the high spatial heterogeneity of the thermal landscape, while forests are thermally homogenous and may constrain opportunities for behavioral buffering of environmental temperatures. Nevertheless, the ways in which behavior...

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