Botanic Gardens Trust, Sydney, Australia

Department of Environment, Climate Change and Water NSW

Science



Microscopic organisms

Microscopic organisms in the Cumberland Plain Woodland at Mount Annan Botanic Garden include algae, bacteria and protozoans. Most of these are soil inhabiting and involved in breakdown of dead plant and animal material and are inportant in recycling of organic matter.  Some may cause disease. We know very little about the organisms involved.

Examples

  • Nostoc commune is a an alga that forms a jelly like growth on the soil surface during wet conditions.
  • Rhizobium species are bacteria that fix nitrogen in the roots of species of peas (Fabaceae).

Ecology of Cumberland Plain Woodland

Nostoc commune
Nostoc commune
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