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This project aims to determine the physiological adaptations of algae to the extreme conditions of Antarctica.
Environmental manipulation and competition experiments on cultured and natural diatoms will identify the response of key taxa to environment modification.
Data on the physical flow characteristics, mass balance, sub-glacial topography and recent fluctuations of Brown Glacier will ultimately be used to construct and validate a numerical model of the glacier.
The growth of phytoplankton in the Southern Ocean is often limited by the availability of the nutrient iron but as yet we do not know if the same is true for sea ice algae. This study will examine how iron affects the growth of sea ice algae and will look at how these organisms use iron.
Taxonomic studies will utilise primarily the existing AAD collections (approximately 25000) from the herbarium (ADT) with supplemental collections from Antarctica (particularly Victoria Land) and subantarctic islands.
We will measure biodiversity of ecologically-important invertebrates (Collembola) in Antarctica, the sub-antarctic islands, and in Australia and New Zealand.
This project aims to determine bacterial diversity in Antarctica, including “non-culturable” strains, by the use of various techniques.
The project involves the use of GPS and satellite imagery to measure the propagation (widening, elongation and height displacement) of rifts seen in the front of the Amery Ice Shelf.
The experimental krill research program is focussed on obtaining life history information of use in managing the krill fishery - the largest Antarctic fishery. In particular, the program will concentrate on studies into schooling, growth and aging of krill.
Studies of long-term changes in vegetation assist our understanding of its dynamics and functioning, and the influence of various environmental factors.