• Question: hi my name is charlotte my question is why are u testing on earth worms in poisin ?

    Asked by charlotte3 to Mark on 17 Jun 2013.
    • Photo: Mark Hodson

      Mark Hodson answered on 17 Jun 2013:


      Hi Charlotte,

      one of the things that I try to do is find out how much poisonous metal can be present in soil before the soil is poisoned. We can use earthworms to help answer this question, a bit like coal miners using canary’s to detect poisonous gas last century.

      It’s important to do this so we can make sure our soils aren’t damaged by industry.

      cheers

      m

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