My research includes spatial and temporal analysis of Phyllospora wrack distribution and its associated invertebrate fauna. Mediterranean seagrass ecosystems are also being investigated to widen the scope of my research. Stable isotopes reveal past polar environments Publications: The relative importance of genetic diversity and phenotypic variation as determinants of germination in physically dormant species in the face of climate change. Response of the hairy mussel Trichomya hirsuta to sediment-metal contamination in the presence of a bioturbator. With a growing population and resource shortages, food production will be a major challenge for the next generation. Contact Future Students Team on
This decision is intriguing as, on the face of it, one might expect an individual to maximise its genetic contribution by breeding as soon as possible and as many times as possible for the duration of its life. Plant and Cell Physiology, 54 11 , Professor Sharon Robinson Co-supervisor: Aggression in fish depends on environmental conditions. However very little is known about how the temperatures needed to break dormancy vary between and within sites, and what possible causes of any variation may exist.
Large temporal and spatial gaps in meteorological data limit our ability to understand past and present trends, and so to forecast the future; making the development of innovative climate proxies a high priority.
Phylogeny of Antarctic Mosses Awards: Dynamics and habitat use by sessile epifaunal invertebrates in Posidonia australis. Sensitivity of subantarctic marine invertebrates to metals under a changing climate.
One of the most astonishing facets of animal societies is the decision of individuals to join a group as a non-breeding subordinate member. My research focuses on monitoring vegetation in Antarctica, and developing a system for automated identification of Antarctic vegetation from digital photos. Understanding fine scale patterns of connectedness such as those among intertidal and subtidal areas are important because they ultimately influence the broad scale genetic and morphological patterns which can occur at the geographic level.
Over 20 sponge species have been catalogued thus far. Posidonia australis is a threatened seagrass species with endangered populations in the Sydney region, NSW.
Graduate Research School @ UOW
Professor David Ayre Co-supervisor: Dr Phil Byrne Email: Contact Future Students Team on Modelling the impact of decline in a future ocean. This involves species identification using microscopy, vegetation cover classification using object-based image analysis software, modelling of environmental parameters across sites in Antarctica and long-term climate analyses.
Variation of physical dormancy and its ecological role in unpredictable environments Publications: Australian Journal thssis Botany.
We acknowledge the traditional custodians of the land on which the University of Wollongong campuses stand, and we pay our respects to elders past and present. The relative importance of genetic diversity and phenotypic variation as determinants of germination in physically dormant species in the face of climate change Publications: Sensitivity of subantarctic marine invertebrates to metals under a changing climate Awards: An understanding of these complex interactions is essential to developing effective management practises for invasive species.
Phyllospora comosa, an intertidal brown alga, provides important habitat for a wide variety of marine species, including invertebrates.
Why then, do we observe so many examples in nature, including our own species, in which individuals routinely delay or completely forgo their own reproductive opportunities in order to join and remain within a group?
My PhD aims to quantify and investigate possible causes of variation in the temperatures needed to break physical dormancy using the model species Acacia suaveolens.
Student Research Projects
Plant species with physical dormancy occur in many different vegetation types and are particularly common in disturbance-prone areas. The role of environmental variables in mediating interactions between the Eastern Mosquito fish and Australian fauna.
However very little is known about how the temperatures needed to break dormancy vary between and within sites, and what possible causes of any variation may exist. Professor David Ayre Email: Plant and Cell Physiology, 54 11 Integrating transient heterogeneity of non-photochemical quenching in shade-grown heterobaric leaves of avocado Persea upw L.
Bryophyte species composition over moisture gradients trackimg the Windmill Islands, East Antarctica: Mediterranean seagrass ecosystems are also being investigated to widen the scope of my research. Decades of occupation in these areas have left a legacy of wastes that may be impacting the local biota. Spotlight Find out why it pays to stay connected with UOW after you graduate.
Whilst CBPs are having success with rearing of animals, there are induced changes in the morphology, physiology and behaviour of animals resulting in low survivorship and poor success in reintroductions. Genetic differentiation in the barnacle Catomerus polymerus despite migration across a biogeographic barrier. By studying the variation of dormancy-breaking temperature thresholds within populations of fire-following physically dormant species, as well as among years of seed production and seed tracoing in the seed bank, my project will investigate physical dormancy variation and subsequently the mechanistic processes potentially controlling seed bank dynamics.