Testing the DNA decay hypothesis of ecological specialization. Australia's biodiversity has been increasingly threatened by climate change and fragmentation from habitat loss. To conserve biodiversity we need to identify species most at risk of extinction. One way species avoid extinction is to evolve and adapt to changing conditions, however, it now appears that many species have a limited adaptive potential. Here we develop and test a new idea that helps to predict species most threatened b ....Testing the DNA decay hypothesis of ecological specialization. Australia's biodiversity has been increasingly threatened by climate change and fragmentation from habitat loss. To conserve biodiversity we need to identify species most at risk of extinction. One way species avoid extinction is to evolve and adapt to changing conditions, however, it now appears that many species have a limited adaptive potential. Here we develop and test a new idea that helps to predict species most threatened by climate change and other types of stresses. We also identify the sets of genes that are involved in adapting to dry/cold conditions and toxins. This information provides a rapid way of identifying species most at risk and least likely to adapt, and a new perspective on Australia's biodiversity.Read moreRead less
Defining biologically significant units in spinifex (Triodia spp.) for improved ecological restoration in arid Australia. This project will investigate composition and functioning of the iconic spinifex grasslands of arid Australia. The findings will increase the capacity to restore these landscapes after mining. Project outcomes directly address the national priority for sustainable use of Australia’s biodiversity, particularly of vulnerable ecosystems.
Mobility of log-dependent invertebrates in fragmented forest. Clearing of Australian native forests continues apace. This leads to declines in total forest area and creates isolated remnants with depleted woody debris. Critical forest processes driven by invertebrates occur in this debris. Despite its major economic and conservation significance, there is little information on the impacts of habitat loss and alteration on organisms in decomposing logs. We will utilize recent advances in popu ....Mobility of log-dependent invertebrates in fragmented forest. Clearing of Australian native forests continues apace. This leads to declines in total forest area and creates isolated remnants with depleted woody debris. Critical forest processes driven by invertebrates occur in this debris. Despite its major economic and conservation significance, there is little information on the impacts of habitat loss and alteration on organisms in decomposing logs. We will utilize recent advances in population genetics to compare impacts on a suite of log-dependent invertebrates in an islands-of-bush-in-a-sea-of-pines model. This will facilitate improvements in conservation and sustainable management outcomes in forests.Read moreRead less
Linkage Infrastructure, Equipment And Facilities - Grant ID: LE0667981
Funder
Australian Research Council
Funding Amount
$200,000.00
Summary
Kangaroo Genome Resource Management Facility. Increasingly, large Australian multicentre research programs in biological and medical sciences have a genomics component that involves integration of biological information with sequencing data. The success of these research programs depends on rapid internet access to the research information by all participating scientists. The universal design of the proposed information management system means that it can be easily adapted to support a broad ran ....Kangaroo Genome Resource Management Facility. Increasingly, large Australian multicentre research programs in biological and medical sciences have a genomics component that involves integration of biological information with sequencing data. The success of these research programs depends on rapid internet access to the research information by all participating scientists. The universal design of the proposed information management system means that it can be easily adapted to support a broad range of research programs. The development of this software program therefore has the potential to benefit research scientists, academics and students in many related fields, as well as the broader community, through enhancing research outcomes.Read moreRead less
Phylogeography, Conservation Genetics and Stocking Management of Perches and Basses. This project will use DNA data to address fundamental questions about the origin and maintenance of biodiversity in a popular and widely distributed fish group. From a conservation perspective, the project will produce a benchmark about management of fish resources. We will investigate questions related to important conservation issues (including the recovery plan of a nationally threatened species) and the mana ....Phylogeography, Conservation Genetics and Stocking Management of Perches and Basses. This project will use DNA data to address fundamental questions about the origin and maintenance of biodiversity in a popular and widely distributed fish group. From a conservation perspective, the project will produce a benchmark about management of fish resources. We will investigate questions related to important conservation issues (including the recovery plan of a nationally threatened species) and the management of stocking activities in recreational fisheries of coastal and inland waters. The latter is particularly relevant to rural communities since they provide both social and economic benefits to rural people.Read moreRead less
Hybridization, polyploidy and the evolution of parthenogenesis in the Australian desert. This project considers the ecology and evolution of Australian animals that reproduce by parthenogenesis, i.e. without sex. These animals have long fascinated evolutionary biologists for the clues they provide about the role of sex in evolution. The Australian desert is a hot-spot for parthenogenesis, providing a unique opportunity to study the ecological and evolutionary forces favouring the loss of sex. Ou ....Hybridization, polyploidy and the evolution of parthenogenesis in the Australian desert. This project considers the ecology and evolution of Australian animals that reproduce by parthenogenesis, i.e. without sex. These animals have long fascinated evolutionary biologists for the clues they provide about the role of sex in evolution. The Australian desert is a hot-spot for parthenogenesis, providing a unique opportunity to study the ecological and evolutionary forces favouring the loss of sex. Our research will exploit Australian cases of parthenogenesis to understand how genetic changes associated with the transition to parthenogenesis affect ecological success. This will significantly extend our understanding of both the role of sex in evolution, and of the evolutionary history of the Australian arid zone.Read moreRead less
The molecular evolution of wings in flightless birds. The flightless Australian emu and New Zealand kiwi have small wings, while the extinct moa had none at all. This project will identify the genetic changes that have lead to wing reduction and loss in flightless birds. The results will shed light on the genetic control of forelimb development and how it has evolved.
Genomics for persistence of Australian freshwater fish. Biodiversity faces an unpredictable cocktail of impacts and global environmental change, against which the best insurance is genetic diversity. We will develop genomic measures of ecological-genetic functions and evolutionary potential for managing Australian freshwater fish.
The effects of habitat fragmentation on dispersal and social organisation in the Brown Antechinus. Fragmentation of native habitat continues to threaten Australian species, yet we have little understanding of processes leading to resulting extinctions. This study will characterise the effects of human-induced habitat fragmentation on social organisation and dispersal in Brown Antechinus. We will use a combination of genetic and demographic analyses to quantify and describe perturbation of social ....The effects of habitat fragmentation on dispersal and social organisation in the Brown Antechinus. Fragmentation of native habitat continues to threaten Australian species, yet we have little understanding of processes leading to resulting extinctions. This study will characterise the effects of human-induced habitat fragmentation on social organisation and dispersal in Brown Antechinus. We will use a combination of genetic and demographic analyses to quantify and describe perturbation of social structure and mating system within habitat fragments, and of dispersal among them. The patchwork of native vegetation within the Tumut pine plantation provides an ideal natural experimental study system and will produce data essential for rational management of landscapes in the face of human disturbance.Read moreRead less
Some like it hot: invasive species, hybridisation, and a warming world. Temperatures are rising and invasive species are becoming more prevalent. This project aims to understand how climate change and hybridisation between exotic and native marine species leads to rapid adaptation. Using integrative approaches from genomics and physiology and focusing on Australian blue mussels, this proposal will test leading hypotheses about how climate change and hybridisation can enable rapid adaptation and ....Some like it hot: invasive species, hybridisation, and a warming world. Temperatures are rising and invasive species are becoming more prevalent. This project aims to understand how climate change and hybridisation between exotic and native marine species leads to rapid adaptation. Using integrative approaches from genomics and physiology and focusing on Australian blue mussels, this proposal will test leading hypotheses about how climate change and hybridisation can enable rapid adaptation and the spread of exotic species. Outcomes will include strategies for minimising impacts of invasive mussels and boosting warm-temperature adaptation in aquaculture mussels and restored shellfish reefs. This project will yield fundamental insights into how marine species can quickly adapt to warming seas.Read moreRead less