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Initiative 44

Nitrogen contribution to grazing ecosystems by Cyanobacteria

Cyanobacteria are bacteria that live in the water and can manufacture their own food. In semi-arid and arid landscapes vegetative cover is generally sparse and biological soil crust – which is made up of Cyanobacteria, mosses and lichen is important to stabilise the surface of soil, promote moisture retention and fix atmospheric nitrogen. A project is underway to fill the knowledge gap around the importance of this system on soil health and groundcover.

Research undertaken by UQ Gatton

What are we doing?

This project is now complete.  Final reports are available at and development.