329 Works

Data from: Local endemism and within-island diversification of shrews illustrate the importance of speciation in building Sundaland mammal diversity

Terrence C. Demos, Anang S. Achmadi, Thomas C. Giarla, Heru Handika, , Kevin C. Rowe & Jacob A. Esselstyn
Island systems are important models for evolutionary biology because they provide convenient, discrete biogeographic units of study. Continental islands with a history of intermittent dry land connections confound the discrete definitions of islands and have led zoologists to predict (1) little differentiation of terrestrial organisms among continental shelf islands and (2) extinction, rather than speciation, to be the main cause of differences in community composition among islands. However, few continental island systems have been subjected...

The Double Helix of Theory and Practice: Celebrating Stephen J. Goldberg as a Scholar, Practitioner, and Mentor

Mara Olekalns, Donna Shestowsky, Sylvia Skratek & Ann-Sophie De Pauw

Mammal detection data for the SAFE project site, Sabah, Malaysian Borneo, 2015 [HMTF]

N.J. Deere, G. Guillera-Arroita, E.L. Baking, H. Bernard, M. Pfeifer, G. Reynolds, O.R. Wearn, Z.G. Davies & M.J. Struebig
This data set contains stacked detection matrices for 28 recorded mammal species across 115 sampling locations at the Stability of Altered Forest Ecosystems (SAFE) project site located in Sabah, Malaysian Borneo. Information for each camera trap sampling location, including spatial information and sampling effort is included. Data were collected in order to determine the contribution of carbon-based policies to biodiversity conservation in agricultural land-use mosaics. These data are essential to the development of the occupancy...

Building data capacity in the not-for-profit sector: Interim report

Xiaofang Yao, Anthony McCosker, Kath Albury, Alexia Maddox & Jane Farmer

Data from: Can collective memories shape fish distributions? A test, linking space-time occurrence models and population demographics

Jed I. Macdonald, Kai Logemann, Elias T. Krainski, Þorsteinn Sigurðsson, Colin M. Beale, Geir Huse, Solfrid S. Hjøllo & Guðrún Marteinsdóttir
Social learning can be fundamental to cohesive group living, and schooling fishes have proven ideal test subjects for recent work in this field. For many species, both demographic factors, and inter- (and intra-) generational information exchange are considered vital ingredients in how movement decisions are reached. Yet key information is often missing on the spatial outcomes of such decisions, and questions concerning how migratory traditions are influenced by collective memory, density-dependent and density-independent processes remain...

Data from: Landscape genomics reveals altered genome wide diversity within revegetated stands of Eucalyptus microcarpa (Grey Box)

Rebecca Jordan, Shannon K. Dillon, Suzanne M. Prober & Ary A. Hoffmann
In order to contribute to evolutionary resilience and adaptive potential in highly modified landscapes, revegetated areas should ideally reflect levels of genetic diversity within and across natural stands. Landscape genomic analyses enable such diversity patterns to be characterized at genome and chromosomal levels. Landscape-wide patterns of genomic diversity were assessed in Eucalyptus microcarpa, a dominant tree species widely used in revegetation in Southeastern Australia. Trees from small and large patches within large remnants, small isolated...

Data from: The effect of virus-blocking Wolbachia on male competitiveness of the dengue vector mosquito, Aedes aegypti

Michal Segoli, Ary A. Hoffmann, Jane Lloyd, Gavin J. Omodei & Scott A. Ritchie
Background: The bacterial endosymbiont Wolbachia blocks the transmission of dengue virus by its vector mosquito Aedes aegypti, and is currently being evaluated for control of dengue outbreaks. Wolbachia induces cytoplasmic incompatibility (CI) that results in the developmental failure of offspring in the cross between Wolbachia-infected males and uninfected females. This increases the relative success of infected females in the population, thereby enhancing the spread of the beneficial bacterium. However, Wolbachia spread via CI will only...

Data from: Testing the niche breadth-range size hypothesis: habitat specialization versus performance in Australian alpine daisies

Megan J. Hirst, Philippa C. Griffin, Jason P. Sexton & Ary A. Hoffmann
Relatively common species within a clade are expected to perform well across a wider range of conditions than their rarer relatives, yet experimental tests of this “niche breadth—range size” hypothesis remain surprisingly scarce. Rarity may arise due to trade-offs between specialization and performance across a wide range of environments. Here we use common garden and reciprocal transplant experiments to test the niche breadth—range size hypothesis, focusing on four common and three rare endemic alpine daisies...

Data from: High nucleotide diversity and limited linkage disequilibrium in Helicoverpa armigera facilitates the detection of a selective sweep

Sue V. Song, Sharon Downes, Tracey Parker, John G. Oakeshott & Charles Robin
Insecticides impose extreme selective pressures on populations of target pests and so insecticide resistance loci of these species may provide the footprints of ‘selective sweeps’. To lay the foundation for future genome-wide scans for selective sweeps and inform genome-wide association study designs, we set out to characterize some of the baseline population genomic parameters of one of the most damaging insect pests in agriculture worldwide, Helicoverpa armigera. To this end, we surveyed nine Z-linked loci...

Data from: Female song is widespread and ancestral in songbirds

Karan J. Odom, Michelle L. Hall, Katharina Riebel, Kevin E. Omland & Naomi E. Langmore
Bird song has historically been considered an almost exclusively male trait, an observation fundamental to the formulation of Darwin’s theory of sexual selection. Like other male ornaments, song is used by male songbirds to attract females and compete with rivals. Thus, bird song has become a textbook example of the power of sexual selection to lead to extreme neurological and behavioural sex differences. Here we present an extensive survey and ancestral state reconstruction of female...

Age of first infection across a range of parasite taxa in a wild mammalian population

Caroline Glidden, Leigh Combrink, Brianna Beechler, Bryan Charleston, Anson Koehler, Danielle Sisson, Gasser Robin, Abdul Jabbar & Anna Jolles
Newborn mammals have an immature immune system that cannot sufficiently protect them against infectious diseases. However, variation in the effectiveness of maternal immunity against different parasites may couple with temporal trends in parasite exposure to influence disparities in timing of infection risk. Determining the relationship between age and infection risk is critical in identifying the portion of a host population that contributes to parasite dynamics, as well as the parasites that regulate host recruitment. While...

Spatial and temporal variation in prey colour patterns for background-matching across a continuous heterogeneous environment

Marleen Baling, Devi Stuart-Fox, Dianne H. Brunton & James Dale
In heterogeneous habitats, camouflage via background-matching can be challenging because visual characteristics can vary dramatically across small spatial scales. Additionally, temporal variation in signalling functions of colouration can affect crypsis, especially when animals use colouration seasonally for intraspecific signalling (e.g. mate selection). We currently have a poor understanding of how wild prey optimise background-matching within continuously heterogeneous habitats, and whether this is affected by requirements of intraspecific signalling across biological seasons. Here, we quantified colour...

Anthropogenic and natural barriers affect genetic connectivity in an Alpine butterfly

Daronja Trense, Tom Schmidt, Qiong Yang, Jessica Chung, Ary Hoffmann & Klaus Fischer
Dispersal is a key biological process serving several functions including connectivity among populations. Habitat fragmentation caused by natural or anthropogenic structures may hamper dispersal, thereby disrupting genetic connectivity. Investigating factors affecting dispersal and gene flow is important in the current era of anthropogenic global change, as dispersal comprises a vital part of a species’ resilience to environmental change. Using fine-scale landscape genomics, we investigate gene flow and genetic structure of the Sooty Copper butterfly (Lycaena...

Research Data Management in Health and Biomedical Citizen Science: Practices and Prospects

Ann Borda
Background: Public engagement in health and biomedical research is being influenced by the paradigm of citizen science. However, conventional health and biomedical research relies on sophisticated research data management tools and methods. Considering these, what contribution can citizen science make in this field of research? How can it follow research protocols and produce reliable results? Objective: The aim of this paper is to analyse research data management practices in existing biomedical citizen science studies, so...

The roles of acclimation and behavior in buffering climate change impacts along elevational gradients

Urtzi Enriquez-Urzelai, Reid Tingley, Michael Kearney, Martina Sacco, Antonio Palacio, Miguel Tejedo & Alfredo Nicieza
1. The vulnerability of species to climate change is jointly influenced by geographic phenotypic variation, acclimation, and behavioral thermoregulation. The importance of interactions between these factors, however, remains poorly understood. 2. We demonstrate how advances in mechanistic niche modelling can be used to integrate and assess the influence of these sources of uncertainty in forecasts of climate change impacts. 3. We explored geographic variation in thermal tolerance (i.e. maximum and minimum thermal limits) and its...

Multi-species models reveal that eDNA metabarcoding is more sensitive than backpack electrofishing for conducting fish surveys in freshwater streams

Emily McColl-Gausden, Andrew Weeks, Rhys Coleman, Katie Robinson, Sue Song, Tarmo Raadik & Reid Tingley
Environmental DNA (eDNA) sampling can provide accurate, cost-effective, landscape-level data on species distributions. Previous studies have compared the sensitivity of eDNA sampling to traditional sampling methods for single species, but similar comparative studies on multi-species eDNA metabarcoding are rare. Using hierarchical species occupancy-detection models, we examined whether key choices associated with eDNA metabarcoding (primer selection, low-abundance read filtering, and the number of positive water samples used to classify a species as present at a site)...

Data from: Iridescence untwined - Honey bees can separate hue variations in space and time

Leslie Ng, Laura Ospina-Rozo, Jair Garcia, Adrian Dyer & Devi Stuart-Fox
Iridescence is a phenomenon whereby the hue of a surface changes with viewing or illumination angle. Many animals display iridescence but it currently remains unclear whether relevant observers process iridescent color signals as a complex collection of colors (spatial variation), or as moving patterns of colors and shapes (temporal variation). This is important as animals may use only the spatial or temporal component of the signal, although this possibility has rarely been considered or tested....

Rapid beard darkening predicts contest outcome, not copulation success, in bearded dragon lizards

Katrina Rankin
Rapid colour change is widespread in animals and allows them to respond dynamically to the physical and social environment. However, few studies have examined the information conveyed by dynamic colour signals in different social contexts, such as courtship and rivalry contests. Furthermore, dynamic colour change on different body regions may be subject to different selection pressures and therefore serve different functions. We tested whether male colour or colour change predict contest outcome in male-male interactions,...

Misinformation, internet honey trading, and beekeepers drive a plant invasion

Magdalena Lenda, Piotr Skórka, Karolina Kuszewska, Dawid Moroń, Michał Bełcik, Renata Baczek Kwinta, Franciszek Janowiak, David H. Duncan, Peter A. Vesk, Hugh P. Possingham & Johannes M. H. Knops
Biological invasions are a major human induced global change that is threatening global biodiversity by homogenizing the world’s fauna and flora. Species spread because humans have moved species across geographic boundaries and have changed ecological factors that structure ecosystems, such as nitrogen deposition, disturbance, etc. Many biological invasions are caused accidentally, as a byproduct of human travel and commerce driven product shipping. However, humans also have spread many species intentionally because of perceived benefits. Of...

Cracks in the mirror hypothesis: high specularity does not reduce detection or predation risk

Amanda Franklin, Katrina Rankin, Laura Ospina-Rozo, Iliana Medina, Jair Garcia, Leslie Ng, Caroline Dong, Lu-Yi Wang, Anne Aulsebrook & Devi Stuart-Fox
Some animals, including certain fish, beetles, spiders and Lepidoptera chrysalises, have such shiny or glossy surfaces that they appear almost mirror-like. A compelling but unsubstantiated hypothesis is that a highly specular or mirror-like appearance enhances survival by reflecting the surrounding environment and reducing detectability. We tested this hypothesis by asking human participants to wear a mobile eye-tracking device and locate highly realistic mirror-green and diffuse-green replica beetles against a variety of backgrounds in a natural...

Exploring integrated ArtScience experiences to foster nature connectedness through head, heart, and hand

Christina Renowden, Tanja Beer & Luis Mata
1. Human activities continue to inflict profound detrimental impacts on biodiversity, yet we have not observed a commensurate shift in people’s mindsets to achieve a more harmonious relationship between people and nature. As such, the need to shift the publics’ perspective and awareness of their interconnectedness with nature continues to drive education and communication programs that aim to deepen the connection between people and nature. 2. This has led to mounting interest in integrating art...

Double-tagging scores of seabirds reveals that light-level geolocator accuracy is limited by species idiosyncrasies and equatorial solar profiles

Luke Halpin, Jeremy Ross, Raül Ramos, Rowan Mott, Nicholas Carlile, Nick Golding, José Manuel Reyes-González, Teresa Militão, Fernanda De Felipe, Zuzana Zajková, Marta Cruz Flores, Sarah Saldanha, Virginia Morera-Pujol, Leia Navarro-Herrero, Laura Zango, Jacob Gonzalez-Solis & Rohan Clarke
Light-level geolocators are popular bio-logging tools, with advantageous sizes, longevity, and affordability. Biologists tracking seabirds often presume geolocator spatial accuracies between 186-202 km from previously-innovative, yet taxonomically, spatially, and computationally limited, studies. Using recently developed methods, we investigated whether assumed uncertainty norms held across a larger-scale, multispecies study. We field-tested geolocator spatial accuracy by synchronously deploying these with GPS loggers on scores of seabirds across five species and 11 Mediterranean Sea, East Atlantic and South...

Single molecule tracking raw data: SOX18 and its dominant-negative mutant SOX18RaOp

Alex McCann, Jieqiong Lou, Mehdi Moustaqil, Matthew Graus, Ailisa Blum, Frank Fontaine, Hui Liu, Winnie Luu, Peter Koopman, Emma Sierecki, Yann Gambin, Frédéric Meunier, Zhe Liu, Elizabeth Hinde & Mathias Francois
Few genetically dominant mutations involved in human disease have been fully explained at the molecular level. In cases where the mutant gene encodes a transcription factor, the dominant-negative mode of action of the mutant protein is particularly poorly understood. Here, we studied the genome-wide mechanism underlying a dominant-negative form of the SOX18 transcription factor (SOX18RaOp) responsible for both the classical mouse mutant Ragged Opossum and the human genetic disorder Hypotrichosis-Lymphedema-Telangiectasia-Renal Syndrome. Combining three single-molecule imaging...

Data from: Complexity of the genetic basis of aging in nature revealed by a clinal study of lifespan and methuselah, a gene for aging, in Drosophila from eastern Australia.

Carla M. Sgrò, Belinda Van Heerwaarden, Vanessa Kellermann, Choon Wei Wee, Ary A. Hoffmann & Siu Fai Lee
Clinal studies are a powerful tool for understanding the genetic basis of climatic adaptation. However, while clines in quantitative traits and genetic polymorphisms have been observed within and across continents, few studies have attempted to demonstrate direct links between them. The gene methuselah in Drosophila has been shown to have a major effect on stress response and longevity phenotypes based largely on laboratory studies of induced mutations in the mth gene. Clinal patterns in the...

Data from: Environmental determinism, and not interspecific competition, drive morphological variability in Australasian warblers (Acanthizidae)

Vicente García-Navas, Marta Rodriguez-Rey, Petter Z. Marki & Les Christidis
Interspecific competition is thought to play a key role in determining the coexistence of closely related species within adaptive radiations. Competition for ecological resources can lead to different outcomes from character displacement to, ultimately, competitive exclusion. Accordingly, divergent natural selection should disfavor those species that are the most similar to their competitor in resource use, thereby increasing morphological disparity. Here we examined ecomorphological variability within an Australo-Papuan bird radiation, the Acanthizidae, which include both allopatric...

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  • University of Melbourne
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