Immobilisation of phosphorus by iron-coated roots of submerged macrophytes

  title={Immobilisation of phosphorus by iron-coated roots of submerged macrophytes},
  author={Michael Hupfer and Anja Dollan},
To observe effects on the phosphorus retention mechanisms of a lake after re-colonisation by macrophytes, Potamogeton crispus L. and Elodea canadensis Michx. were planted in lab aquariums containing an iron and phosphorus rich sediments from the highly eutrophic Lake Müggelsee (Germany). Microsensors were used to analyse oxygen gradients near roots and diurnal changes of oxygen saturation in the rhizosphere. Under light conditions oxygen is detectable in a 0.5–1 mm thick zone around the roots… CONTINUE READING