55 Works

Needs and Stress in Fraternity and Sorority Life: Evidence of Social and Behavioral Differences Among Sorority and Fraternity Members

Gabriel Serna, Dawn Wiese & Stephen Simo

Data from: Plant defense negates pathogen manipulation of vector behavior

Baiming Liu, Evan L. Preisser, Xiaobin Shi, Huaitong Wu, Chuanyou Li, Wen Xie, Shaoli Wang, Qingjun Wu & Youjun Zhang
1. Although many vector-borne plant pathogens can alter vector behavior to the pathogen's benefit, how plants might counter such manipulation is unknown. 2. In the Tomato yellow leaf curl virus (‘TYLCV’)-Bemisia tabaci-tomato interaction, TYLCV-mediated changes in Bemisia feeding improves viral uptake and transmission. We tested how jasmonic acid (‘JA’), a central regulator of plant anti-herbivore defenses, affected the ability of TYLCV to (A) manipulate Bemisia behavior; and (B) infect plants. 3. Viruliferous Bemisia fed much...

Phylogeographic and phenotypic outcomes of brown anole colonization across the Caribbean provide insight into the beginning stages of an adaptive radiation

Jason J. Kolbe, Richard E. Glor, Marta López‐Darias, C. Verónica Gómez Pourroy, Alexis S. Harrison, Kevin De Queiroz, Liam J. Revell, Jonathan B. Losos & Robert Graham Reynolds
Some of the most important insights into the ecological and evolutionary processes of diversification and speciation have come from studies of island adaptive radiations, yet relatively little research has examined how these radiations initiate. We suggest that Anolis sagrei is a candidate for understanding the origins of the Caribbean Anolis adaptive radiation and how a colonizing anole species begins to undergo allopatric diversification, phenotypic divergence and, potentially, speciation. We undertook a genomic and morphological analysis...

Data from: Satellite telemetry reveals higher fishing mortality rates than previously estimated, suggesting overfishing of an apex marine predator

Michael E. Byrne, Enric Cortés, Jeremy J. Vaudo, Guy C. McN. Harvey, Mark Sampson, Bradley M. Wetherbee & Mahmood Shivji
Overfishing is a primary cause of population declines for many shark species of conservation concern. However, means of obtaining information on fishery interactions and mortality, necessary for the development of successful conservation strategies, are often fisheries-dependent and of questionable quality for many species of commercially exploited pelagic sharks. We used satellite telemetry as a fisheries-independent tool to document fisheries interactions, and quantify fishing mortality of the highly migratory shortfin mako shark (Isurus oxyrinchus) in the...

Data from: Extreme site fidelity as an optimal strategy in an unpredictable and homogeneous environment

Brian D. Gerber, Mevin B. Hooten, Christopher P. Peck, Mindy B. Rice, James H. Gammonley, Anthony D. Apa & Amy J. Davis
1. Animal site fidelity structures space-use, population demography, and ultimately gene flow. Understanding the adaptive selection for site fidelity patterns provides a mechanistic understanding to both spatial and population processes. This can be achieved by linking space-use with environmental variability (spatial and temporal) and demographic parameters. However, rarely is the environmental context that drives the selection for site fidelity behavior fully considered. 2. We use ecological theory to understand whether the spatial and temporal variability...

Species richness in North Atlantic fish: process concealed by pattern

Henrik Gislason, Jeremy Collie, Brian R. MacKenzie, Anders Nielsen, Maria De Fatima Borges, Teresa Bottari, Corina Chavez, Andrey V. Dolgov, Jakov Dulčić, Daniel Duplisea, Heino O. Fock, Didier Gascuel, Luís Gil De Sola, Jan Geert Hiddink, Remment Ter Hofstede, Igor Isajlović, Jónas Páll Jonasson, Ole Jørgensen, Kristján Kristinsson, Gudrun Marteinsdottir, Hicham Masski, Sanja Matić-Skoko, Mark R. Payne, Melita Peharda, Jakup Reinert … & Lilja Stefansdottir
Aim Previous analyses of marine fish species richness based on presence-absence data have shown changes with latitude and average species size, but little is known about the underlying processes. To elucidate these processes we use metabolic, neutral, and descriptive statistical models to analyse how richness responds to maximum species length, fish abundance, temperature, primary production, depth, latitude, and longitude, while accounting for differences in species catchability, sampling effort, and mesh size. Data Results from 53,382...

Fishing and habitat condition differentially affect size spectra slopes of coral reef fishes

Paul Carvalho, Fakhrizal Setiawan, Karizma Fahlevy, Beginer Subhan, Hawis Madduppa, Guangyu Zhu & Austin Humphries
Marine food webs are structured through a combination of top-down and bottom-up processes. In coral reef ecosystems, fish size is related to life-history characteristics and size-based indicators can represent the distribution and flow of energy through the food web. Thus, size spectra can be a useful tool for investigating the impacts of both fishing and habitat condition on the health and productivity of coral reef fisheries. In addition, coral reef fisheries are often data-limited and...

Data from: Universal target-enrichment baits for anthozoan (Cnidaria) phylogenomics: new approaches to long-standing problems

Andrea M. Quattrini, Brant C. Faircloth, Luisa F. Dueñas, Thomas C.L. Bridge, Mercer R. Brügler, Ivan F. Calixto-Botía, Danielle M. DeLeo, Sylvain Foret, Santiago Herrera, Simon M.Y. Lee, David J. Miller, Carlos Prada, Gandhi Rádis-Baptista, Catalina Ramírez-Portilla, Juan A. Sánchez, Estefania Rodriguez, Catherine S. McFadden, Tom C. L. Bridge & Simon M. Y. Lee
Anthozoans (e.g., corals, anemones) are an ecologically important and diverse group of marine metazoans that occur from shallow to deep waters worldwide. However, our understanding of the evolutionary relationships among the ~7500 species within this class is hindered by the lack of phylogenetically informative markers that can be reliably sequenced across a diversity of taxa. We designed and tested 16,308 RNA baits to capture 720 Ultraconserved Element loci and 1,071 exon loci. Library preparation and...

Data from: Insecticides promote viral outbreaks by altering herbivore competition

Huipeng Pan, Evan L. Preisser, Dong Chu, Shaoli Wang, Qingjun Wu, Yves Carrière, Xuguo Zhou & Youjun Zhang
While the management of biological invasions is often characterized by a series of single-species decisions, invasive species exist within larger food webs. These biotic interactions can alter the impact of control/eradication programs and may cause suppression efforts to inadvertently facilitate invasion spread and impact. We document the rapid replacement of the invasive Bemisia MEAM1 cryptic species by the cryptic MED species throughout China, and demonstrate that MED is more tolerant of insecticides and a better...

Data from: Revisiting Fisher: range size drives the correlation between variability and abundance of British bird eggs

Oriol Lapiedra & Trevor D. Price
We evaluate the correlation between intraspecific variation in egg size and population size in breeding British birds. Using information on abundance, range occupancy, migration status and phylogenetic relationships among species, we show that a wider geographical distribution rather than larger population size per se best predicts egg size variability. A similar result applies to wing length variability. Results from a phylogenetic path analysis suggest that geographical variation is the most parsimonious causal explanation for high...

Data from: Competition among native and invasive Phragmites australis populations: an experimental test of the effects of invasion status, genome size, and ploidy level.

Petr Pyšek, Jan Čuda, Petr Šmilauer, Hana Skálová, Zuzana Chumová, Carla Lambertini, Magdalena Lučanová, Hana Ryšavá, Pavel Trávníček, Kristýna Šemberová & Laura Meyerson
Among the traits whose relevance for plant invasions has recently been suggested are genome size (the amount of nuclear DNA) and ploidy level. So far, research on the role of genome size in invasiveness has been mostly based on indirect evidence by comparing species with different genome sizes, but how karyological traits influence competition at the intraspecific level remains unknown. We addressed these questions in a common‐garden experiment evaluating the outcome of direct intraspecific competition...

Even obligate symbioses show signs of ecological contingency: impacts of symbiosis for an invasive stinkbug are mediated by host plant context

Janelle Couret, Lynn Huynh-Griffin, Ivan Antolic-Soban, Tarik Acevedo-Gonzalez & Nicole Gerardo
Many species interactions are dependent on environmental context, yet the benefits of obligate, mutualistic microbial symbioses to their hosts are typically assumed to be universal across environments. We directly tested this assumption, focusing on the symbiosis between the sap-feeding insect Megacopta cribraria and its primary bacterial symbiont Candidatus Ishikawaella capsulata. We assessed host development time, survival, and body size in the presence and absence of the symbiont on two alternative host plants, and in the...

Data from: Scale‐dependent spatial patterns in benthic communities around a tropical island seascape

Eoghan A. Aston, Gareth J. Williams, J. A. Mattias Green, Andrew J. Davies, Lisa M. Wedding, Jamison M. Gove, Jean-Baptiste Jouffray, Timothy T. Jones & Jeanette Clark
Understanding and predicting patterns of spatial organization across ecological communities is central to the field of landscape ecology, and a similar line of inquiry has begun to evolve sub‐tidally among seascape ecologists. Much of our current understanding of the processes driving marine community patterns, particularly in the tropics, has come from small‐scale, spatially‐discrete data that are often not representative of the broader seascape. Here we expand the spatial extent of seascape ecology studies and combine...

Data from: El Niño drives a widespread ulcerative skin disease outbreak in Galapagos marine fishes

Robert W. Lamb, Franz Smith, Anaide W. Aued, Pelayo Salinas-De-León, Jenifer Suarez, Marta Gomez-Chiarri, Roxanna Smolowitz, Cem Giray & Jon D. Witman
Climate change increases local climatic variation and unpredictability, which can alter ecological interactions and trigger wildlife disease outbreaks. Here we describe an unprecedented multi-species outbreak of wild fish disease driven by a climate perturbation. The 2015–16 El Niño generated a +2.5 °C sea surface temperature anomaly in the Galapagos Islands lasting six months. This coincided with a novel ulcerative skin disease affecting 18 teleost species from 13 different families. Disease signs included scale loss and...

Spatial scaling properties of coral reef benthic communities

Helen Ford, Jamison Gove, Andrew Davies, Nicholas Graham, John Healey, Eric Conklin & Gareth Williams
The spatial structure of ecological communities on tropical coral reefs across seascapes and geographies have historically been poorly understood. Here we addressed this for the first time using spatially expansive and thematically resolved benthic community data collected around five uninhabited central Pacific oceanic islands, spanning 6° latitude and 17° longitude. Using towed-diver digital image surveys over ~140 linear km of shallow (8 – 20 m depth) tropical reef, we highlight the autocorrelated nature of coral...

Data from: Intraspecific and biogeographic variation in foliar fungal communities and pathogen damage of native and invasive Phragmites australis

Warwick Allen, Aaron DeVries, Nicholas Bologna, Wesley Bickford, Kurt Kowalski, Laura Meyerson & James Cronin
Aim Recent research has highlighted that the relationship between species interactions and latitude can differ between native and invasive plant taxa, generating biogeographical heterogeneity in community resistance to plant invasions. In the first study with foliar pathogens, we tested whether co-occurring native and invasive lineages of common reed (Phragmites australis) exhibit nonparallel latitudinal gradients in foliar fungi communities, pathogen susceptibility and damage, and whether these biogeographic patterns can influence invasion success. Location North America. Time...

Data from: Pythons, parasites and pests: anthropogenic impacts on Sarcocystis (Sarcocystidae) transmission in a multi-host system

Anne Devan-Song, Sonja Luz, Abraham Mathew, Mary-Ruth Low & David P. Bickford
Parasites are essential components of ecosystems and can be instrumental in maintaining host diversity and populations; however, their role in trophic interactions has often been overlooked. Three apicomplexan parasite species of Sarcocystis (S. singaporensis, S. zamani, and S. villivillosi) use the reticulated python as their definitive hosts and several species within the Rattus genus as intermediate hosts, and they form a system useful for studying interactions between host–parasite and predator–prey relationships, as well as anthropogenic...

Data from: Common evolutionary trends underlie the four-bar linkage systems of sunfish and mantis shrimp

Yinan Hu, Nathan Nelson-Maney, Philip S.L. Anderson & Philip S. L. Anderson
Comparative biomechanics offers an opportunity to explore the evolution of disparate biological systems that share common underlying mechanics. Four-bar linkage modelling has been applied to various biological systems such as fish jaws and crustacean appendages to explore the relationship between biomechanics and evolutionary diversification. Mechanical sensitivity states that the functional output of a mechanical system will show differential sensitivity to changes in specific morphological components. We document similar patterns of mechanical sensitivity in two disparate...

Data from: Influence of natural and novel organic carbon sources on denitrification in forest, degraded urban, and restored streams

Tamara A. Newcomer, Sujay S. Kaushal, Paul M. Mayer, Amy R. Shields, Elizabeth A. Canuel, Peter M. Groffman & Arthur J. Gold
Organic carbon is important in regulating ecosystem function, and its source and abundance may be altered by urbanization. We investigated shifts in organic carbon quantity and quality associated with urbanization and ecosystem restoration, and its potential effects on denitrification at the riparian–stream interface. Field measurements of streamwater chemistry, organic carbon characterization, and laboratory-based denitrification experiments were completed at two forested, two restored, and two unrestored urban streams at the Baltimore Long-Term Ecological Research site, Maryland,...

Data from: Post Permo-Triassic terrestrial vertebrate recovery southwestern United States

David A. Tarailo & David E. Fastovsky
Recovery of marine biodiversity following the Permo-Triassic extinction is thought to have been delayed relative to other mass extinctions. Terrestrial vertebrate biodiversity is said to have taken as much as 15 Myr longer to recover than the marine. The present study tests, at the scale of an individual fossil community, whether a disparity in biodiversity existed in the American Southwest, between the Moenkopi Formation, containing an early Middle Triassic (Anisian) terrestrial tetrapod fauna, and the...

Data from: Episodic disturbance from boat anchoring is a major contributor to, but does not alter the trajectory of, long-term coral reef decline

Graham E. Forrester, Rebecca L. Flynn, Linda M. Forrester & Lianna L. Jarecki
Isolating the relative effects of episodic disturbances and chronic stressors on long-term community change is challenging. We assessed the impact of an episodic disturbance associated with human visitation (boat anchoring) relative to other drivers of long-term change on coral reefs. A one-time anchoring event at Crab Cove, British Virgin Islands, in 2004 caused rapid losses of coral and reef structural complexity that were equal to the cumulative decline over 23 years observed at an adjacent...

Data from: Biogeography of a plant invasion: genetic variation and plasticity in latitudinal clines for traits related to herbivory

Ganesh P. Bhattarai, Laura A. Meyerson, Jack Anderson, David Cummings, Warwick J. Allen & James T. Cronin
The juxtaposition of plant-species invasions with latitudinal gradients in herbivore pressure is an important yet mostly unexplored issue in invasion biology. Latitudinal clines in defense and palatability to herbivores are expected to exist in native plant species but the evolution of these clines may lag behind for invasive plant species resulting in non-parallel latitudinal clines that may impact invasion success. Our study focused on a native and European invasive lineages of the common reed Phragmites...

Data from: Dietary antioxidants and flight exercise in female birds affect allocation of nutrients to eggs: how carry-over effects work

Megan M. Skrip, Navindra P. Seeram, Tao Yuan, Hang Ma & Scott R. McWilliams
Physiological challenges during one part of the annual cycle can carry over and affect performance at a subsequent phase, and antioxidants could be one mediator of trade-offs between phases. We performed a controlled experiment with zebra finches to examine how songbirds use nutrition to manage trade-offs in antioxidant allocation between endurance flight and subsequent reproduction. Our treatment groups included (1) a non-supplemented, non-exercised group (control group) fed a standard diet with no exercise beyond that...

Data from: Hurricane-induced selection on the morphology of an island lizard

Colin M. Donihue, Anthony Herrel, Anne-Claire Fabre, Ambika Kamath, Anthony J. Geneva, Thomas W. Schoener, Jason J. Kolbe & Jonathan B. Losos
Hurricanes are catastrophically destructive. Beyond their toll on human life and livelihoods, hurricanes have massive and often long-lasting effects on ecological systems. Despite many examples of mass mortality events following hurricanes, hurricane-induced natural selection has never been demonstrated. Immediately after we finished a survey of Anolis scriptus, a common, small-bodied lizard found throughout the Turks and Caicos archipelago, our study populations were battered by Hurricanes Irma and Maria. Shortly thereafter, we revisited the populations to...

Fruit syndromes in Viburnum: correlated evolution of color, nutritional content, and morphology in bird-dispersed fleshy fruits

Miranda Sinnott-Armstrong, Chong Lee, Wendy Clement & Michael Donoghue
Premise A key question in plant dispersal via animal vectors is where and why fruit colors vary between species and how color relates to other fruit traits. To better understand the factors shaping the evolution of fruit color diversity, we tested for the existence of syndromes of traits (color, morphology, and nutrition) in the fruits of Viburnum. We placed these results in a larger phylogenetic context and reconstructed ancestral states to assess how Viburnum fruit...

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  • University of Rhode Island
  • Bangor University
  • Washington University in St. Louis
  • University of Washington
  • Charles University
  • Harvard University
  • Max Planck Institute for Ornithology
  • University of Kansas
  • Princeton University
  • University of Bologna