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Professor Penny J JohnesBSc, D.Phil (Oxon.)

Professor of Biogeochemistry

  1. Do oxalic acid exudates from mycorrhizal fungi influence the uptake of phosphorus by primary producers in the karst critical zone of south west China?

    Author: Hussey, V. L., 1 Oct 2019

    Supervisor: Johnes, P. (Supervisor) & Buss, H. (Supervisor)

    Bristol student theses: Master's ThesisMaster of Science (MSc)

  2. Impacts of environmental change on soil nitrogen in emerging and degrading arid ecosystems

    Author: Turpin-Jelfs, T. C., 1 Oct 2019

    Supervisor: Johnes, P. (Supervisor) & Michaelides, K. (Supervisor)

    Bristol student theses: Doctoral ThesisDoctor of Philosophy (PhD)

  3. Is photodegradation the critical pathway in the transformation of DOM in aquatic systems during autumn and winter

    Author: Owen, A., 19 Mar 2019

    Supervisor: Johnes, P. (Supervisor)

    Bristol student theses: Master's ThesisMaster of Science (MSc)

  4. Molecular investigations of the nature, occurrence and behaviour of myo-inositol hexakisphosphate in soils using ion chromatography and high-resolution mass spectrometry

    Author: McIntyre, C., 19 Mar 2019

    Supervisor: Evershed, R. (Supervisor) & Johnes, P. (Supervisor)

    Bristol student theses: Doctoral ThesisDoctor of Philosophy (PhD)