76 Works

Rural and regional mobilities: exploring the impact of (im)mobilities on rural and regional communities [summary report]

David Radford, Raelene Wilding, Anthony Moran & Martina Boese

Data from: The evolutionary consequences of blood-stage vaccination on the rodent malaria Plasmodium chabaudi

Victoria C. Barclay, Derek Sim, Brian H. K. Chan, Lucas A. Nell, Maia A. Rabaa, Andrew S. Bell, Robin F. Anders & Andrew F. Read
Malaria vaccine developers are concerned that antigenic escape will erode vaccine efficacy. Evolutionary theorists have raised the possibility that some types of vaccine could also create conditions favoring the evolution of more virulent pathogens. Such evolution would put unvaccinated people at greater risk of severe disease. Here we test the impact of vaccination with a single highly purified antigen on the malaria parasite Plasmodium chabaudi evolving in laboratory mice. The antigen we used, AMA-1, is...

Data from: Nonrandom, diversifying processes are disproportionately strong in the smallest size classes of a tropical forest

Peter T. Green, Kyle E. Harms & Joseph H. Connell
A variety of ecological processes influence diversity and species composition in natural communities. Most of these processes, whether abiotic or biotic, differentially filter individuals from birth to death, thereby altering species’ relative abundances. Nonrandom outcomes could accrue throughout ontogeny, or the processes that generate them could be particularly influential at certain stages. One long-standing paradigm in tropical forest ecology holds that patterns of relative abundance among mature trees are largely set by processes operating at...

Data from: Plumage color manipulation has no effect on social dominance or fitness in zebra finches

Sofia Jerónimo, Mehdi Khadraoui, Daiping Wang, Katrin Martin, John A. Lesku, Kylie A. Robert, Emmi Schlicht, Wolfgang Forstmeier & Bart Kempenaers
Colourful plumage ornaments may evolve because they play a role in mate choice or in intrasexual competition, acting as signals of species identity or of individual quality. The zebra finch (Taeniopygia guttata) is a model organism for the study of mate choice and its colourful plumage ornaments are thought to be used in both of these contexts. Numerous genetic colour variants have been described for this species, but they are rare in the wild. This...

Data from: Genetic diversity and population structure of the threatened freshwater catfish, Tandanus tandanus, in Victoria, Australia

Erin Hill, Brett A. Ingram, Meaghan Rourke, John Mitchell & Jan M. Strugnell
In Australia, many species of freshwater fish have rapidly declined following European settlement in the late eighteenth century. The freshwater catfish (Tandanus tandanus) is listed as threatened in Victoria and accordingly, broodstock management and a captive breeding program to facilitate the reintroduction of hatchery bred fish into depleted populations have been suggested. Little work has been conducted on Victorian populations of T. tandanus, despite its threatened status. This study assessed the genetic diversity and genetic...

Data from: Mating patterns and post-mating isolation in three cryptic species of the Engystomops petersi species complex

Paula A. Trillo, Andrea E. Narvaez, Santiago R. Ron & Kim L. Hoke
Determining the extent of reproductive isolation in cryptic species with dynamic geographic ranges can give us important insights into the processes that generate and maintain genetic divergence in the absence of severe geographic barriers. We studied mating patterns, propensity to crossbreed in nature and subsequent fertilization rates, as well as survival and development of hybrid F1 offspring for three species of the E. petersi species complex in Yasuní National Park, Ecuador. We found at least...

Data from: Habitat disturbance selects against both small and large species across varying climates

Heloise Gibb, Nathan J. Sanders, Robert R. Dunn, Xavier Arnan, Heraldo L. Vasconcellos, David A. Donoso, Alan N. Andersen, Rogerio R. Silva, Tom R. Bishop, Crisanto Gomez, Blair F. Grossman, Kalsum M. Yusah, Sarah H. Luke, Renata Pacheco, Jessica Pearce-Duvet, Javier Retana, Melanie Tista, Catherine L. Parr & H. L. Vasconcelos
Global extinction drivers, including habitat disturbance and climate change, are thought to affect larger species more than smaller species. However, it is unclear if such drivers interact to affect assemblage body size distributions. We asked how these two key global change drivers differentially affect the interspecific size distributions of ants, one of the most abundant and ubiquitous animal groups on earth. We also asked whether there is evidence of synergistic interactions and whether effects are...

Data from: Genetic diversity, population structure and ancestral origin of Australian wheat

Reem Joukhadar, Hans D. Daetwyler, Urmil K. Bansal, Anthony R. Gendall & Matthew J. Hayden
Since the introduction of wheat into Australia by the First Fleet settlers, germplasm from different geographical origins has been used to adapt wheat to the Australian climate through selection and breeding. In this paper, we used 482 cultivars, representing the breeding history of bread wheat in Australia since 1840, to characterize their diversity and population structure and to define the geographical ancestral background of Australian wheat germplasm. This was achieved by comparing them to a...

Data from: Stress induced gene expression drives transient DNA methylation changes at adjacent repetitive elements

David Secco, Chuang Wang, Huixia Shou, Matthew D. Schultz, Serge Chiarenza, Laurent Nussaume, Joseph R. Ecker, James Whelan & Ryan Lister
Cytosine DNA methylation (mC) is a genome modification that can regulate the expression of coding and non-coding genetic elements. However, little is known about the involvement of mC in response to environmental cues. Using whole genome bisulfite sequencing to assess the spatio-temporal dynamics of mC in rice grown under phosphate starvation and recovery conditions, we identified widespread phosphate starvation-induced changes in mC, preferentially localized in transposable elements (TEs) close to highly induced genes. These changes...

Data from: Leaf nutrients, not specific leaf area, are consistent indicators of elevated nutrient inputs

Jennifer Firn, James M. McGree, Eric Harvey, Habacuc Flores-Moreno, Martin Schütz, Yvonne M. Buckley, Elizabeth T. Borer, Eric W. Seabloom, Kimberly J. La Pierre, Andrew M. MacDougall, Suzanne M. Prober, Carly J. Stevens, Lauren L. Sullivan, Erica Porter, Emma Ladouceur, Charlotte Allen, Karine H. Moromizato, John W. Morgan, W. Stanley Harpole, Yann Hautier, Nico Eisenhauer, Justin P. Wright, Peter B. Adler, Carlos Alberto Arnillas, Jonathan D. Bakker … & Anita C. Risch
Leaf traits are frequently measured in ecology to provide a ‘common currency’ for predicting how anthropogenic pressures impact ecosystem function. Here, we test whether leaf traits consistently respond to experimental treatments across 27 globally distributed grassland sites across 4 continents. We find that specific leaf area (leaf area per unit mass)—a commonly measured morphological trait inferring shifts between plant growth strategies—did not respond to up to four years of soil nutrient additions. Leaf nitrogen, phosphorus...

Fire and functional traits: using functional groups of birds and plants to guide management in fire-prone, heathy woodland ecosystem

Frederick Rainsford
Aim: Many dry forests and woodlands worldwide are fire-prone and support bird and plant communities shaped by fire. Changes in fire regimes, including the time between fires, have important implications for population trajectories. We studied the responses of bird and plant communities of heathy woodlands to time since the last fire, a key measure underpinning fire management, to evaluate whether current management strategies will enhance conservation of multiple taxa. Location: Otway Ranges, south-eastern Australia. Methods:...

Prey-switching does not protect a generalist turtle from bioenergetic consequences when its preferred food is scarce

James Van Dyke, Kristen Petrov, Ricky-John Spencer, Natasha Malkiewicz, Jessica Lewis & Claudia Keitel
Background: Optimal foraging theory explains how animals make foraging decisions based on the availability, nutritional content, and handling times of different food types. Generalists solve this problem by consuming a variety of food types, and switch between them with relative ease. Specialists eat few food types, and may starve if those food types are not available. We integrated stable isotope analyses with previously-published stomach contents and environmental data to investigate how the foraging ecologies of...

Ivan Karamazov’s Euclidean Mind: the ‘Fact’ of Human Suffering and Evil

Kimberly Young
In The Brothers Karamazov, Fyodor Dostoevsky addresses the problem of how to reconcile God’s goodness with the evil in the world by comparing the metaphysical implications of Ivan Karamazov’s and the Elder Zosima’s Euclidean and non-Euclidean epistemologies. For Ivan, the moral opposites of good and evil cannot be reconciled, just as two parallel lines cannot meet (Euclid’s fifth postulate). For Zosima, the symbol of the crucifix represents a meeting of the parallel lines and the...

Drakaea glyptodon nuclear microsatellite and chloroplast haplotype data

Dorset Trapnell, Patrick Smallwood, Kingsley Dixon & Ryan Phillips
Many orchids are characterized by small, patchily distributed populations. Resolving how they persist is important for understanding the ecology of this hyper-diverse family, many members of which are of conservation concern. Ten populations of the common terrestrial orchid Drakaea glyptodon from Southwest Australia were genotyped with ten nuclear and five chloroplast SSR markers. Levels and partitioning of genetic variation, and effective population sizes (Ne), were estimated. Spatial genetic structure of nuclear diversity, together with chloroplast...

Data from: An experimental evaluation of traits that influence the sexual behaviour of pollinators in sexually deceptive orchids

Ryan D. Phillips & Rod Peakall
Pollination by sexual deception of male insects is perhaps one of the most remarkable cases of mimicry in the plant kingdom. However, understanding the influence of floral traits on pollinator behaviour in sexually deceptive orchids is challenging, due to the risk of confounding changes in floral odour when manipulating morphology. Here, we investigated the floral traits influencing the sexual response of male Zaspilothynnus nigripes (Tiphiidae) wasps, a pollinator of two distantly related sexually deceptive orchids...

Data from: Functions of innate and acquired immune system are reduced in domestic pigeons (Columba livia domestica) given a low protein diet

Yuko Mabuchi & Theresa L. Frankel
Racing pigeons are exposed to and act as carriers of diseases. Dietary protein requirement for their maintenance has not been determined experimentally despite their being domesticated for over 7000 years. A maintenance nitrogen (protein) requirement (MNR) for pigeons was determined in a balance study using diets containing 6, 10 and 14% crude protein (CP). Then, the effects of feeding the diets were investigated to determine whether they were adequate to sustain innate and acquired immune...

Data from: Australian spiny mountain crayfish and their temnocephalan ectosymbionts: an ancient association on the edge of coextinction?

Jennifer F. Hoyal Cuthill, Kim B. Sewell, Lester R. G. Cannon, Michael A. Charleston, Susan Lawler, D. Timothy J. Littlewood, Peter D. Olson & David Blair
Australian spiny mountain crayfish (Euastacus, Parastacidae) and their ecotosymbiotic temnocephalan flatworms (Temnocephalida, Platyhelminthes) may have co-occurred and interacted through deep time, during a period of major environmental change. Therefore, reconstructing the history of their association is of evolutionary, ecological, and conservation significance. Here, time-calibrated Bayesian phylogenies of Euastacus species and their temnocephalans (Temnohaswellia and Temnosewellia) indicate near-synchronous diversifications from the Cretaceous. Statistically significant cophylogeny correlations between associated clades suggest linked evolutionary histories. However, there is...

Data from: Maternal corticosterone exposure has transgenerational effects on grand-offspring

Nicola Khan, Richard A. Peters, Emily Richardson & Kylie A. Robert
The hormone fluctuations that an animal experiences during ovulation can have lifelong effects on developing offspring. These hormones may act as an adaptive mechanism, allowing offspring to be ‘pre-programmed’ to survive in an unstable environment. Here, we used a transgenerational approach to examine the effects of elevated maternal corticosterone (CORT) on the future reproductive success of female offspring. We show that female zebra finches (Taeniopygia guttata) exposed to embryonic CORT produce daughters that have equal...

Data from: Outlier SNPs detect weak regional structure against a background of genetic homogeneity in the Eastern Rock Lobster, Sagmariasus verreauxi

Laura N. Woodings, Nicholas P. Murphy, Stephen R. Doyle, Nathan E. Hall, Andrew J. Robinson, Geoffrey W. Liggins, Bridget S. Green, Ira R. Cooke, James J. Bell & Jan M. Strugnell
Genetic differentiation is characteristically weak in marine species making assessments of population connectivity and structure difficult. However the advent of genomic methods have increased genetic resolution, enabling studies to detect weak, but significant population differentiation within marine species. With an increasing number of studies employing high resolution genome-wide techniques, we are realising the connectivity of marine populations is often complex and quantifying this complexity can provide an understanding of the processes shaping marine species genetic...

Data from: Avian predation intensity as a driver of clinal variation in colour morph frequency

Genevieve Matthews, Celine T. Goulet, Kaspar Delhey, Zak S. Atkins, Geoffrey M. While, Michael G. Gardner & David G. Chapple
1) Phenotypic variation provides the framework for natural selection to work upon, enabling adaptive evolution. One of the most discernible manifestations of phenotypic variability is colour variation. When this variation is discrete, genetically-based colour pattern morphs occur simultaneously within a population. 2) Why and how colour polymorphisms are maintained is an evolutionary puzzle. Several evolutionary drivers have been hypothesized as influencing clinal patterns of morph frequency, with spatial variation in climate and predation being considered...

Data from: Faunal community consequence of interspecific bark trait dissimilarity in early-stage decomposing logs

Juan Zuo, Matty Berg, Roy Klein, Jasper Nusselder, Gert Neurink, Orsi Decker, Mariet M. Hefting, Ute Sass-Klaassen, Richard S. P. Van Logtestijn, Leo Goudzwaard, Jurgen Van Hal, Frank J. Sterck, Lourens Poorter, Johannes H. C. Cornelissen & Matty P. Berg
Dead tree trunks have significant ecosystem functions related to biodiversity and biogeochemical cycles. When lying on the soil surface, they are colonized by an array of invertebrate fauna, but what determines their community composition is still unclear. We apply community assembly theory to colonization of tree logs by invertebrates. During early decomposition, the attached bark is critically important as an environment filter for community assembly through habitat provision. Specifically, we hypothesized that the more dissimilar...

Data from: Tree-hugging koalas demonstrate a novel thermoregulatory mechanism for arboreal mammals

Natalie J. Briscoe, Kathrine A. Handasyde, Stephen R. Griffiths, Warren P. Porter, Andrew Krockenberger & Michael R. Kearney
How climate impacts organisms depends not only on their physiology, but also whether they can buffer themselves against climate variability via their behaviour. One of the way species can withstand hot temperatures is by seeking out cool microclimates, but only if their habitat provides such refugia. Here, we describe a novel thermoregulatory strategy in an arboreal mammal, the koala Phascolarctos cinereus. During hot weather, koalas enhanced conductive heat loss by seeking out and resting against...

Data from: Patterns and drivers of aquatic invertebrate diversity across an arid biome

Jenny Davis, Lien Sim, Ross M. Thompson, Adrian Pinder, Jayne Brim Box, Nick P. Murphy, Fran Sheldon, Alejandra Morán-Ordóñez, Paul Sunnucks & Nicholas P. Murphy
Managing and restoring faunal diversity across large areas requires an understanding of the roles of connectivity and dispersal in driving community patterns. We sought to determine the influence of connectivity, water regime, water source, geographical location, and dispersal traits on patterns of aquatic invertebrate diversity across a continent-wide arid biome. We compiled data on freshwater invertebrate assemblages from sites spanning the breadth of arid Australia. Univariate analyses (analysis of variance and rarefaction) revealed that alpha...

Data from: Development of a protocol for environmental impact studies using causal modelling

Rezvan Hatami
1- The global issue of water scarcity caused by climate change and human utilisation highlights the importance of an efficient assessment of water quality in freshwater systems. One of the challenges facing water management in environmental impact studies is the difficulty of inferring causality in complex systems. Traditional water assessment methods are inadequate because they are challenged to separate natural variation from the effect of human activities. 2- Knowing the causal structure of a complex...

The Hydroperoxyl Radical Scavenging Activity of Sulfuretin: Insights from Theory

Quan Vo, Nguyen Thi Hoa, Do Thi My Hang, Do Phu Hieu, Huynh Van Truong, Loc Phuoc Hoang & Adam Mechler
This dataset contains data from the calculations described in the paper: “Nguyen Thi Hoa, Do Thi My Hang, Do Phu Hieu, Huynh Van Truong, Loc Phuoc Hoang, Adam Mechler and Quan V. Vo*. (2021), The Hydroperoxyl Radical Scavenging Activity of Sulfuretin: Insights from Theory. Royal Society Open Science. 2021. The thermodynamic and kinetic calculations were applied to evaluate the HOO· radical scavenging activity of sulfuretin (SFR) in the gas phase and solvents (water and pentyl...

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  • La Trobe University
  • University of Melbourne
  • University of Tasmania
  • Monash University
  • Department of Primary Industries, Parks, Water and Environment
  • James Cook University
  • University of Pretoria
  • Victoria University of Wellington
  • University of Washington
  • University of Queensland