344 Works

Data from: General rules for environmental management to prioritise social-ecological systems research based on a value of information approach

Katrina Davis, Iadine Chades, Jonathan Rhodes & Michael Bode
1. Globally, billions of dollars are invested each year to help understand the dynamics of social-ecological systems (SES) in bettering both social and environmental outcomes. However, there is no scientific consensus on which aspect of an SES is most important and urgent to understand; particularly given the realities of limited time and money. 2. Here we use a simulation-based “value of information” approach to examine where research will deliver the most important information for environmental...

Data from: Landscape structure mediates zoochorous-dispersed seed rain under isolated pasture trees across distinct tropical regions

Lachlan S. Charles, John D. Dwyer, Hazel M. Chapman, Biplang G. Yadok & Margaret M. Mayfield
Context: Isolated pasture trees play an important role in forest recovery within fragmented tropical landscapes by attracting seed dispersers and facilitating seedling growth. However, studies with conflicting results have led to confusion about what drives variation in zoochorous-dispersed seed rain patterns under isolated tree canopies. Objectives: To assess the role of landscape and biological factors impacting zoochorous-dispersed seed rain under isolated pasture trees across three tropical regions of the world. Methods: We measured seed dispersal...

Data from: Nutrient availability controls the impact of mammalian herbivores on soil carbon and nitrogen pools in grasslands

Judith Sitters, E.R. Jasper Wubs, Elisabeth S. Bakker, Thomas W. Crowther, Peter B. Adler, Sumanta Bagchi, Jonathan D. Bakker, Lori Biederman, Elizabeth T. Borer, Elsa E. Cleland, Nico Eisenhauer, Jennifer Firn, Laureano Gherardi, Nicole Hagenah, Yann Hautier, Sarah E. Hobbie, Johannes M.H. Knops, Andrew S. MacDougall, Rebecca L. McCulley, Joslin L. Moore, Brent Mortensen, Pablo L. Peri, Suzanne M. Prober, Charlotte Riggs, Anita C. Risch … &
Grasslands have been subject to considerable alteration due to human activities globally, including widespread changes in populations and composition of large mammalian herbivores and elevated supply of nutrients. Grassland soils remain important reservoirs of carbon (C) and nitrogen (N). Herbivores may affect both C and N pools and these changes likely interact with increases in soil nutrient availability. Given the scale of grassland soil fluxes, such changes can have striking consequences for atmospheric C concentrations...

Genome-wide SNPs detect no evidence of genetic population structure for reef manta rays (Mobula alfredi) in southern Mozambique

Stephanie Venables, Andrea Marshall, Amelia Armstrong, Joseph Tomkins & Jason Kennington
Little is known about the extent of genetic connectivity along continuous coastlines in manta rays or whether site visitation is influenced by relatedness. Such information is pertinent to defining population boundaries and understanding localised dispersal patterns and behaviour. Here, we use 3057 genome-wide single nucleotide polymorphisms (SNPs) to evaluate population genetic structure and assess levels of relatedness at aggregation sites of reef manta rays (Mobula alfredi) in southern Mozambique (n = 114). Contrary to indications...

Evolutionary biogeography of the reef-building coral genus Galaxea across the Indo-Pacific ocean

Patricia Wepfer, Patricia H. Wepfer, Yuichi Nakajima, Makamas Sutthacheep, Veronica Z. Radice, Zoe Richards, Put Ang, Tullia Terraneo, Mareike Sudek, Atsushi Fujimura, Robert J. Toonen, Alexander S. Mikheyev, Evan P. Economo & Satoshi Mitarai
Stony corals (Scleractinia) form the basis for some of the most diverse ecosytems on Earth, but we have much to learn about their evolutionary history and systematic relationships. In order to improve our understanding of species in corals we here investigated phylogenetic relationships between morphologically defined species and genetic lineages in the genus Galaxea (Euphyllidae) using a combined phylogenomic and phylogeographic ap- proach. Previous studies revealed the nominal species G. fascicularis included three genetically well-differ-...

Data from: Identifying 'useful' fitness models: balancing the benefits of added complexity with realistic data requirements in models of individual plant fitness

Trace Martyn, Daniel Stouffer, Oscar Godoy, Ignasi Bartomeus, Abigail Pastore & Margaret Mayfield
Direct species interactions are commonly included in individual fitness models used for coexistence and local-diversity modeling. Though widely considered important for such models, direct interactions alone are often insufficient for accurately predicting fitness, coexistence or diversity outcomes. Incorporating higher-order interactions (HOIs) can lead to more accurate individual fitness models, but also adds many model terms, which can quickly result in model over-fitting. We explore approaches for balancing the trade-off between tractability and model accuracy that...

Data from: Australia's prehistoric 'swamp king': revision of the Plio-Pleistocene crocodylian genus Pallimnarchus de Vis, 1886

Jorgo Ristevski, Adam M. Yates, Gilbert J. Price, Ralph E. Molnar, Vera Weisbecker & Steven W. Salisbury
The crocodylian fossil record from the Cenozoic of Australasia is notable for its rich taxonomic diversity, and is primarily represented by members of the clade Mekosuchinae. Reports of crocodylian fossils from Australia date back to the late nineteenth century. In 1886, Charles Walter de Vis proposed the name Pallimnarchus pollens for crocodylian fossils from southeast Queensland – the first binomen given to an extinct crocodylian taxon from Australia. Pallimnarchus has come to be regarded as...

GPR120 in control of pancreatic polypeptide secretion from male mouse islets via phospholipase C-mediated calcium mobilization

Yufeng Zhao, Xiao-Cheng Li, Xiang-Yan Liang, Yan-Yan Zhao, Rong Xie, Li-Jun Zhang, Xiao-Chun Zhang & Chen Chen
GPR120-IRES-EGFP mice were generated on C57BL/6J background. The sequence of IRES-EGFP was inserted into the genome behind the gene termination codon TAA of GPR120 gene by targeted integration with CRISPR/Cas9 technology to generate the knockin (KI) mice that express EGFP under the control of GPR120 expression. In brief, the recombinant donor vector containing IRES-EGFP element was constructed and identified by double enzyme digestion. The Cas9 mRNA, guide RNA and the donor vector were transferred into...

Data from: The effects of vessel noise on the communication network of humpback whales

Rebecca Dunlop
Humpback whales likely rely on acoustic communication to mediate social interactions. The distance to which these social signals propagate from the signaller defines its communication space, and therefore communication network (number of potential receivers). As humpback whales migrate along populated coastlines, they are likely to encounter noise from vessel traffic which will mask their social signals. Since no empirical data exists on baleen whale hearing, the consequences of this are usually assumed, being the modelled...

Microbial associations and spatial proximity predict North American moose (Alces alces) gastrointestinal community composition

Nicholas Fountain-Jones, Nicholas Clark, Amy Kinsley, Michelle Carstensen, James Forester, Johnson Timothy, Elizabeth Miller, Seth Moore, Tiffany Wolf & Meggan Craft
Microbial communities are increasingly recognised as crucial for animal health. However, our understanding of how microbial communities are structured across wildlife populations is poor. Mechanisms such as interspecific associations are important in structuring free-living communities, but we still lack an understanding of how important interspecific associations are in structuring gut microbial communities in comparison to other factors such as host characteristics or spatial proximity of hosts. Here we ask how gut microbial communities are structured...

Differential Proteomic Expression of Equine Cardiac and Lamellar Tissue During Insulin-Induced Laminitis

Allison Campolo, Matthew Frantz, Melody De Laat, Steven Hartson, Martin Furr & Veronique Lacombe
Endocrinopathic laminitis is pathologically similar to the multi-organ dysfunction and peripheral neuropathy found in human patients with metabolic syndrome. Similarly, endocrinopathic laminitis has been shown to partially result from vascular dysfunction. However, despite extensive research, the pathogenesis of this disease is not well elucidated and laminitis remains without an effective treatment. Here, we sought to identify novel proteins and pathways underlying the development of equine endocrinopathic laminitis. Healthy Standardbred horses (n=4/group) were either given an...

Restoration thinning permits stems to capitalise on high-rainfall years in a regenerating endangered forest ecosystem

Isaac Towers & John Dwyer
1. Passively regenerating native vegetation presents a cost-effective opportunity to sequester carbon and reinstate habitat in heavily cleared agricultural landscapes. 2. However, in some cases a few woody species recolonise in dense, low-diversity stands that are slow to self-thin. 3. Restoration thinning of over-dominant species has been proposed to accelerate ecosystem recovery, but its longer-term efficacy remains uncertain, and is likely to depend strongly on rainfall. 4. This study focuses on a restoration thinning experiment...

Data from: Catchment zoning for freshwater conservation: refining plans to enhance action on the ground

Virgilio Hermoso, Lorenzo Cattarino, Mark J. Kennard, Matthew Watts, Simon Linke & Mathew Watts
1. Recent advances in freshwater conservation planning allow addressing some of the specific needs of these systems. These include spatial connectivity or propagation of threats along stream networks, essential to ensure the maintenance of ecosystem processes and the biodiversity they sustain. However, these peculiarities make conservation recommendations difficult to implement as they often require considering large areas that cannot be managed under conventional conservation schemes (e.g. strict protection). 2. To facilitate the implementation of conservation...

Data from: Not the time or the place: the missing spatio-temporal link in publicly available genetic data

Lisa C. Pope, Libby Liggins, Jude Keyse, Silvia B. Carvalho & Cynthia Riginos
Genetic data are being generated at unprecedented rates. Policies of many journals, institutions and funding bodies aim to ensure that these data are publicly archived so that published results are reproducible. Additionally, publicly archived data can be ‘repurposed’ to address new questions in the future. In 2011, along with other leading journals in ecology and evolution, Molecular Ecology implemented mandatory public data archiving (the Joint Data Archiving Policy). To evaluate the effect of this policy,...

Data from: Re-visiting the phylogeography and demography of European badgers (Meles meles) based on broad sampling, multiple markers and simulations

Alain C. Frantz, Allan D. McDevitt, Lisa C. Pope, Joanna Kochan, John Davison, Chris F. Clements, Morten Elmeros, Guillem Molina-Vacas, Aritz Ruiz-Gonzalez, Alessandro Balestrieri, Koen Van Den Berge, Peter Breyne, Emmanuel Do Linh San, Erik O. Ågren, Franz Suchentrunk, Laurent Schley, Rafał Kowalczyk, Berit I. Kostka, Dusko Ćirović, Nikica Šprem, Marc Colyn, Marco Ghirardi, Venislava Racheva, Christophe Braun, Rita Oliveira … & Terry Burke
Although the phylogeography of European mammals has been extensively investigated since the 1990s, many studies were limited in terms of sampling distribution, the number of molecular markers used and the analytical techniques employed, frequently leading to incomplete postglacial recolonisation scenarios. The broad-scale genetic structure of the European badger (Meles meles) is of interest as it may result from historic restriction to glacial refugia and/or recent anthropogenic impact. However, previous studies were based mostly on samples...

Data from: Trait compensation and sex-specific aging of performance in male and female professional basketball players

Simon P. Lailvaux, Robbie Wilson & Michael M. Kasumovic
Phenotypic traits are often influenced by dynamic resource allocation trade-offs which, when occurring over the course of individual lifespans, may manifest as trait aging. Although aging is studied for a variety of traits that are closely tied to reproduction or reproductive effort, the aging of multiple traits related to fitness in other ways are less well understood. We took advantage of almost 30 years of data on human whole-organism performance in the National Basketball Association...

Data from: Genomic evidence that sexual selection impedes adaptation to a novel environment

Stephen F. Chenoweth, Nicolas C. Appleton, Scott L. Allen & Howard D. Rundle
Sexual selection is widely appreciated for generating remarkable phenotypic diversity, but its contribution to adaptation and the purging of deleterious mutations is unresolved. To provide insight into the impact of sexual selection on naturally segregating polymorphisms across the genome, we previously evolved 12 populations of Drosophila serrata in a novel environment employing a factorial manipulation of the opportunities for natural and sexual selection. Here, we genotype more than 1,400 SNPs in the evolved populations and...

Data from: Clock model makes a large difference to age estimates of long-stemmed clades with no internal calibration: a test using Australian grasstrees

Michael D. Crisp, Nate B. Hardy & Lyn G. Cook
Background: Estimating divergence times in phylogenies using a molecular clock depends on accurate modeling of nucleotide substitution rates in DNA sequences. Rate heterogeneity among lineages is likely to affect estimates, especially in lineages with long stems and short crowns (“broom” clades) and no internal calibration. We evaluate the performance of the random local clocks model (RLC) and the more routinely employed uncorrelated lognormal relaxed clock model (UCLN) in situations in which a significant rate shift...

Data from: High-throughput genotyping for species identification and diversity assessment in germplasm collections

Annaliese S. Mason, Jing Zhang, Reece Tollenaere, Paula Vasquez Teuber, Jessica Dalton-Morgan, Liyong Hu, Guijun Yan, David Edwards, Robert Redden & Jacqueline Batley
Germplasm collections provide an extremely valuable resource for breeders and researchers. However, misclassification of accessions by species often hinders the effective use of these collections. We propose that use of high-throughput genotyping tools can provide a fast, efficient and cost-effective way of confirming species in germplasm collections, as well as providing valuable genetic diversity data. We genotyped 180 Brassicaceae samples sourced from the Australian Grains Genebank across the recently released Illumina Infinium Brassica 60K SNP...

Data from: The emergent geography of biophysical dispersal barriers across the Indo-West Pacific

Eric A. Treml, Jason Roberts, Patrick N. Halpin, Hugh P. Possingham & Cynthia Riginos
Aim: To discover and evaluate potential dispersal barriers across the Indo-West Pacific Ocean and to develop spatially explicit hypotheses regarding the location of barriers and their capacity to filter taxa. Additionally, to compare model predictions with previously described barriers and build a more thorough understanding of the region's biogeographic patterns. Location: The reefs of the Indo-West Pacific Ocean, from 100 to 170°E and from 30°N to 30°S. Methods: A biophysical larval dispersal model was used...

Data from: Less is more: extreme genome complexity reduction with ddRAD using Ion Torrent semiconductor technology

Lilian Pukk, Freed Ahmad, Shihab Hasan, Veljo Kisand, Riho Gross & Anti Vasemägi
Massively parallel sequencing a small proportion of the whole genome at high coverage enables answering a wide range of questions from molecular evolution and evolutionary biology to animal and plant breeding and forensics. In this study, we describe the development of restriction-site associated DNA (RAD) sequencing approach for Ion Torrent PGM platform. Our protocol results in extreme genome complexity reduction using two rare-cutting restriction enzymes and strict size selection of the library allowing sequencing of...

Data from: Biodiversity gains from efficient use of private sponsorship for flagship species conservation

Joseph R. Bennett, Richard Maloney & Hugh P. Possingham
To address the global extinction crisis, both efficient use of existing conservation funding and new sources of funding are vital. Private sponsorship of charismatic ‘flagship’ species conservation represents an important source of new funding, but has been criticized as being inefficient. However, the ancillary benefits of privately sponsored flagship species conservation via actions benefiting other species have not been quantified, nor have the benefits of incorporating such sponsorship into objective prioritization protocols. Here, we use...

Data from: Skin sloughing in susceptible and resistant amphibians regulates infection with a fungal pathogen

Michel E. B. Ohmer, Rebecca L. Cramp, Catherine J. M. Russo, Craig R. White & Craig E. Franklin
The fungal pathogen Batrachochytrium dendrobatidis (Bd) has been implicated in amphibian population declines globally. Given that Bd infection is limited to the skin in post-metamorphic amphibians, routine skin sloughing may regulate infection. Skin sloughing has been shown to reduce the number of cultivatable microbes on amphibian skin, and Bd infection increases skin sloughing rates at high loads. However, it is unclear whether species specific differences in skin sloughing patterns could regulate Bd population growth on...

Data from: Optimizing the spatial planning of prescribed burns to achieve multiple objectives in a fire-dependent ecosystem.

Brooke A. Williams, Luke P. Shoo, Kerrie A. Wilson & Hawthorne L. Beyer
1. There is potential for negative consequences for the ecological integrity of fire-dependent ecosystems as a result of inappropriate fire regimes. This can occur when asset (property) protection is prioritised over conservation objectives in burn programs. 2. Optimisation of fire management for multiple objectives is rarely undertaken. Here, we use integer linear programming to identify burn scheduling solutions that will cost-effectively achieve asset protection and conservation objectives. 3. An approach to burn scheduling that favours...

Data from: How does mutation affect the distribution of phenotypes?

Katrina McGuigan & Ernest Aw
The potential for mutational processes to influence patterns of neutral or adaptive phenotypic evolution is not well understood. If mutations are directionally biased, shifting trait means in a particular direction, or if mutation generates more variance in some directions of multivariate trait space than others, mutation itself might be a source of bias in phenotypic evolution. Here, we use mutagenesis to investigate the affect of mutation on trait mean and (co)variances in zebrafish, Danio rerio....

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