Video

Bacteria

Transcript

DR CANDIDA SAVAGE There is a lot that's living both out in the water but also in the sediments that we don't see with our bare eyes, and what we realise is that these microorganisms are a crucial component of a food web, so by that I mean the bacteria and the small microscopic organisms that we can't see, and they are performing a vital role in terms of cycling of nutrients and also just maintaining a healthy ecosystem.

Rights: University of Waikato
Published: 17 September 2009,Updated: 17 September 2009