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Environmental Water Allocation required to sustain macroinvertebrate species in ephemeral streams

Project Objectives: To determine the key drought refuges used by macroinvertebrate species in intermittently-flowing streams and determine the level of threat to each refuge posed by prolonged drying and unpredictable flow regimes To determine the role played by different types of drought refuge in restocking macroinvertebrate populations in rivers and therefore the consequences for river communities of loss of each type of drought refuge. To determine the (more)...

Fire, fragmentation and small mammals; synergistic impacts on ecosystem dynamics

There is currently an important and unique opportunity to examine this question in some detail in southwestern Australia by using a mixture of natural and targeted experiementation. A series of sites is available within which native mammal populations have been reintroduced or have increased recently due to predator control. There are also sites that have been subjected to either no fire or known fire treatments in the recent past, and also areas that are likely to be burned in the near future. We (more)...

Views on Irrigation Policy in Australia

Water policy in Australia is undergoing considerable and unprecedented change. Most recently, the emphasis on the sustainable management of water resources in the Murray Darling Basin has seen a shift of control from the States to the Commonwealth. The declining availability of water and the subsequent approaches taken by governments, have come under increasing scrutiny from the public. Indeed, the actions associated with water policy in Australia, particularly water used for irrigated (more)...

Islands of bush in a sea of Pines

Summary of studies from the Tumut Fragmentation Experiment.