Professor Chris Freeman

Emeritus Professor

  1. Published

    Nature-based solutions for climate change in the UK - Peatlands

    Dunn, C., Burden, A., Chamberlain, B., Danek, S., Evans, C., Freeman, C., Harvey, R., Proctor, S. & Walker, J., 12 May 2021, Nature-based solutions for climate change in the UK. British Ecological Society

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

  2. Published

    Natural revegetation of bog pools after peatland restoration involving ditch blocking—The influence of pool depth and implications for carbon cycling

    Peacock, M., Evands, C. D., Fenner, N. & Freeman, C., 1 Aug 2013, In: Ecological Engineering. 57, p. 297-301

    Research output: Contribution to journalArticlepeer-review

  3. Published

    N-Acetylglucosaminidase activities in wetlands: a global survey

    Kang, H. J., Freeman, C., Park, S. S. & Chun, J., 1 Jan 2005, In: Hydrobiologia. 532, p. 103-110

    Research output: Contribution to journalArticlepeer-review

  4. Published

    Molecular weight spectra of dissolved organic carbon in a rewetted Welsh peatland and possible implications for water quality.

    Fenner, N., Freeman, C., Hughes, S. & Reynolds, B., 1 Jun 2001, In: Soil Use and Management. 17, 2, p. 106-112

    Research output: Contribution to journalArticlepeer-review

  5. Published

    Microbial enzyme activity and stoichiometry signal the effects of agricultural intervention on nutrient cycling in peatlands

    Qin, L., Freeman, C., Jia, X., Zhang, Z., Liu, B., Zhang, S. & Jiang, M., 1 Mar 2021, In: Ecological Indicators. 122, 107242.

    Research output: Contribution to journalArticlepeer-review

  6. Published

    Microbial contributions to climate change through carbon cycle feedbacks.

    Bardgett, R. D., Freeman, C. & Ostle, N. J., 1 Aug 2008, In: ISME Journal. 2, 8, p. 805-814

    Research output: Contribution to journalArticlepeer-review

  7. Published

    Microbial community changes in heathland soil communities along a geographical gradient: interaction with climate change manipulations.

    Sowerby, A., Emmett, B., Beier, C., Tietema, A., Penuelas, J., Estiatre, M., Van Meeteren, M. J., Hughes, S. & Freeman, C., 1 Oct 2005, In: Soil Biology and Biochemistry. 37, 10, p. 1805-1813

    Research output: Contribution to journalArticlepeer-review

  8. Published

    Microbes, Environmental Change and the Global Carbon Cycle

    Kang, H. & Freeman, C., 1 Mar 2016, Climate Change and Microbial Ecology: Current Research and Future Trends. Marxsen, J. (ed.). Caister Academic Press, p. 153-166

    Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

  9. Published

    Methodologies for Extracellular Enzyme Assays from Wetland Soils

    Dunn, C., Jones, T. G., Girard, A. & Freeman, C., 1 Feb 2014, In: Wetlands. 34, 1, p. 9-17

    Research output: Contribution to journalArticlepeer-review

  10. E-pub ahead of print

    Metallic protection of soil carbon: Divergent drainage effects in Sphagnum vs. non-Sphagnum wetlands

    Liu, C., Zhao, Y., Ma, L., Zhai, G., Li, X., Freeman, C. & Feng, X., 20 May 2024, (E-pub ahead of print) In: National Science Review. p. nwae178

    Research output: Contribution to journalArticlepeer-review

  11. Published

    Managing peatland vegetation for drinking water treatment

    Ritson, J. P., Bell, M., Brazier, R. E., Grand-Clement, E., Graham, N., Freeman, C., Smith, D., Templeton, M. R. & Clark, J., 18 Nov 2016, In: Scientific Reports. 6, 36751.

    Research output: Contribution to journalArticlepeer-review

  12. Published

    Litter type affects the activity of aerobic decomposers in a boreal peatland more than site nutrient and water table regimes

    Straková, P., Niemi, R. M., Freeman, C., Peltoniemi, K., Toberman, H., Heiskanen, I., Fritze, H. & Laiho, R., 27 Sept 2011, In: Biogeosciences. 8, 9, p. 2741-2755

    Research output: Contribution to journalArticlepeer-review

  13. Published

    Linear alkylbenzene sulfonate (LAS) removal in constructed wetlands: The role of plants in the treatment of a typical pharmaceutical andpersonal care product

    Thomas, R., Gough, R. & Freeman, C., 1 Sept 2017, In: Ecological Engineering. 106, part A, p. 415-422

    Research output: Contribution to journalArticlepeer-review

  14. Published

    Is peat accumulation in mangrove swamps influenced by the “enzymic latch” mechanism?

    Dunn, C., Mitsch, W., Freeman, C. & Saraswati, S., 15 Dec 2016, In: Wetlands Ecology and Management. 24, 6, p. 641-650

    Research output: Contribution to journalArticlepeer-review

  15. Published

    Investigations of freezing and cold storage for the analysis of peatland dissolved organic carbon (DOC) and absorbance properties

    Peacock, M., Freeman, C., Gaucia, V. & Lebronc, I. E., 29 May 2015, In: Environmental Science: Processes and Impacts. 17, 7

    Research output: Contribution to journalArticlepeer-review

  16. Published

    Investigating whether light intensity can modify decomposition rates in peatlands through control of the ‘enzymic latch’

    Dunn, C., Zielinski, P., Kent, M. & Freeman, C., 15 Apr 2018, In: Ecological Engineering. 114, p. 167-172

    Research output: Contribution to journalArticlepeer-review

  17. Published

    Interactions between elevated CO2 and warming could amplify DOC exports from peatland catchments.

    Fenner, N., Freeman, C., Lock, M. A., Harmens, H., Reynolds, B. & Sparks, T., 29 Mar 2007, In: Environmental Science and Technology. 41, 9, p. 3146-3152

    Research output: Contribution to journalArticlepeer-review

  18. Published

    Influence of water table depth on pore water chemistry and Trihalomethane Formation potential in peatlands

    Gough, R. S., Gough, R., Holliman, P. J., Fenner, N., Peacock, M. & Freeman, C., 1 Feb 2016, In: Water Environment Research. 88, 2, p. 107-117

    Research output: Contribution to journalArticlepeer-review

  19. Published

    Influence of habitat on the quantity and composition of leachable carbon in the O2 horizon: Potential iplications for potable water treatment

    Gough, R. S., Holliman, P. J., Willis, N., Jones, T. G. & Freeman, C., 27 Nov 2012, In: Lake and Reservoir Management. 28, 4, p. 282-292

    Research output: Contribution to journalArticlepeer-review

  20. Published

    Infilled Ditches are Hotspots of Landscape Methane Flux Following Peatland Re-wetting

    Cooper, M. D., Evans, C., Zielinski, P., Levy, P. E., Gray, A., Peacock, M., Norris, D., Fenner, N. & Freeman, C., Nov 2014, In: Ecosystems. 17, 7, p. 1227-1241

    Research output: Contribution to journalArticlepeer-review

  21. Published

    Impeded drainage stimulates extracellular phenol oxidase activity in riparian peat cores.

    Toberman, H., Freeman, C., Artz, R. R., Evans, C. D. & Fenner, N., 1 Dec 2008, In: Soil Use and Management. 24, 4, p. 357-365

    Research output: Contribution to journalArticlepeer-review

  22. Published

    Impacts of elevated atmosphere ozone on peatland below-ground DOC characteristics.

    Jones, T. G., Freeman, C., Lloyd, A. & Mills, G., 1 Jun 2009, In: Ecological Engineering. 35, 6, p. 971-977

    Research output: Contribution to journalArticlepeer-review

  23. Published

    Hydrological legacy determines the type of enzyme inhibition in a peatlands chronosequence

    Bonnett, S., Maltby, E. & Freeman, C., Aug 2017, In: Scientific Reports. 7, 9948.

    Research output: Contribution to journalArticlepeer-review

  24. Published

    Hydrological effects on the diversity of phenolic degrading bacteria in a peatland: implications for carbon cycling.

    Fenner, N., Freeman, C. & Reynolds, B., 1 Jul 2005, In: Soil Biology and Biochemistry. 37, 7, p. 1277-1287

    Research output: Contribution to journalArticlepeer-review

  25. Published

    Hydrological controls on dissolved organic carbon production and release from UK peatlands.

    Fenner, N., Freeman, C., Worrall, F., Baird, A. J. (ed.), Belyea, L. R. (ed.), Xavier Comas, A. S. (ed.) & Slater, L. D. (ed.), 1 Jan 2009, Carbon Cycling in Northern Peatlands. 2009 ed. American Geophysical Union

    Research output: Chapter in Book/Report/Conference proceedingChapter

  26. Published

    Hydro-chemical effects following restoration mowing in two rich fen plant communities

    Menichino, N. M., Evans, C., Fenner, N., Freeman, C. & Jones, L., 1 Feb 2019, In: Ecological Engineering. 127, p. 536-546

    Research output: Contribution to journalArticlepeer-review

  27. Published

    How do increasing background concentrations of tropospheric ozone affect peatland plant growth and carbon gas exchange?

    Williamson, J., Mills, G., Hayes, F., Jones, T. & Freeman, C., 29 Feb 2016, In: Atmospheric Environment. 127, p. 133-138

    Research output: Contribution to journalArticlepeer-review

  28. Published

    High nitrogen availability reduces polyphenol content in Sphagnum peat

    Bragazza, L. & Freeman, C., 15 May 2007, In: Science of the Total Environment. 377, 2-3, p. 439-443

    Research output: Contribution to journalArticlepeer-review

  29. Published

    High intensity fire accelerates accumulation of a stable carbon pool in permafrost peatlands under climate warming

    Gao, C., Wang, G., Cong, J., Freeman, C., Jiang, M. & Qin, L., 15 Jun 2023, In: Catena. 227, 107108.

    Research output: Contribution to journalArticlepeer-review

  30. Published

    Heavy Rainfall Impacts on Trihalomethane Formation in Contrasting Northwestern European Potable Waters

    Delpla, I., Jones, T. G., Monteith, D. T., Hughes, D. D., Baures, E., Jung, A. V., Thomas, O. & Freeman, C., 10 Jul 2015, In: Journal of Environmental Quality. 44, 4, p. 1241-1251

    Research output: Contribution to journalArticlepeer-review

  31. Published

    Global methane and nitrous oxide emissions from inland waters and estuaries

    Zheng, Y., Wu, S., Xiao, S., Yu, K., Fang, X., Xia, L., Wang, J., Liu, S., Freeman, C. & Zou, J., Aug 2022, In: Global Change Biology. 28, 15, p. 4713-4725 13 p.

    Research output: Contribution to journalArticlepeer-review

  32. Published

    Geoengineering: taking control of our planet's climate?

    Ridgwell, A., Freeman, C. & Lampitt, R., 13 Sept 2012, In: Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences. 370, p. 4163-4165

    Research output: Contribution to journalArticlepeer-review

  33. Published

    Functional and structural responses of bacterial and methanogen communities to 3-year warming incubation in different depths of peat mire

    Kim, S. Y., Freeman, C., Fenner, N. & Kang, H., 1 Jun 2012, In: Applied Soil Ecology. 57, p. 23-30

    Research output: Contribution to journalArticlepeer-review

  34. Published

    Export of organic carbon from peat soils.

    Freeman, C., Evans, C. D., Monteith, D. T., Reynolds, B. & Fenner, N., 23 Aug 2001, In: Nature. 412, 6849, p. 785

    Research output: Contribution to journalArticlepeer-review

  35. Published

    Export of dissolved organic carbon from peatlands under elevated carbon dioxide levels.

    Freeman, C., Fenner, N., Ostle, N. J., Kang, H., Dowrick, D. J., Reynolds, B., Lock, M. A., Sleep, D., Hughes, S. & Hudson, J., 8 Jul 2004, In: Nature. 430, 6996, p. 195-198

    Research output: Contribution to journalArticlepeer-review

  36. Published

    Exotic Spartina alterniflora invasion alters ecosystem–atmosphere exchange of CH4 and N2O and carbon sequestration in a coastal salt marsh in China

    Yuan, J. J., Ding, W. X., Liu, D. Y., Kang, H., Freeman, C., Xiang, J. & Lin, Y. X., 8 Jan 2015, In: Global Change Biology. 21, 4, p. 1567-1580

    Research output: Contribution to journalArticlepeer-review

  37. Published

    Exogenous enzyme supplements to promote treatment efficiency in constructed wetlands.

    Shackle, V., Freeman, C. & Reynolds, B., 15 May 2006, In: Science of the Total Environment. 361, 1-3, p. 18-24

    Research output: Contribution to journalArticlepeer-review

  38. Published

    Evidence against recent climate-induced destabilisation of soil carbon from C-14 analysis of riverine dissolved organic matter

    Evans, C. D., Freeman, C., Cork, L. G., Thomas, D. N., Reynolds, B., Billett, M. F., Garnett, M. H. & Norris, D., 13 Apr 2007, In: Geophysical Research Letters. 34, 7, p. L07407

    Research output: Contribution to journalArticlepeer-review

  39. Published

    Evaluation of algal bloom mitigation and nutrient removal in floating constructed wetlands with different macrophyte species

    Fenner, N., West, M., Gough, R. & Freeman, C., Nov 2017, In: Ecological Engineering. 108, Part B, p. 581-588

    Research output: Contribution to journalArticlepeer-review

  40. Published

    Elevated CO2 effects on peatland plant community carbon dynamics and DOC production.

    Fenner, N., Ostle, N. J., McNamara, N., Sparks, T., Harmens, H., Reynolds, B. & Freeman, C., 1 Jun 2007, In: Ecosystems. 10, 4, p. 635-647

    Research output: Contribution to journalArticlepeer-review

  41. Published

    Elevated CO2 and high salinity enhance the abundance of sulfate reducers in a salt marsh ecosystem

    Kim, S-Y., Freeman, C., Lukac, M., Lee, S-H., Kim, S. D. & Kang, H., Mar 2020, In: Applied Soil Ecology. 147, 103386.

    Research output: Contribution to journalArticlepeer-review

  42. Published

    Effects of elevated atmospheric CO2 concentrations on soil microorganisms.

    Freeman, C., Kim, S. Y., Lee, S. H. & Kang, H., 1 Dec 2004, In: Journal of Microbiology. 42, 4, p. 267-277

    Research output: Contribution to journalArticlepeer-review

  43. Published

    Effects of elevated CO2 on fen peat biogeochemistry.

    Kang, H., Freeman, C. & Ashendon, T. W., 12 Nov 2001, In: Science of the Total Environment. 279, 1-3, p. 45-50

    Research output: Contribution to journalArticlepeer-review

  44. Published

    Effects of Climate Change on Peatland Reservoirs: A DOC Perspective

    Fenner, N., Meadham, J., Jones, T., Hayes, F. & Freeman, C., Jul 2021, In: Global Biogeochemical Cycles. 35, 7, e2021GB006992.

    Research output: Contribution to journalArticlepeer-review

  45. Published

    Eco-hydrological requirements of dune slack vegetation and the implications of climate change

    Curreli, A., Wallace, H., Freeman, C., Hollingham, M., Stratford, C., Johnson, H. & Jones, L., 15 Jan 2013, In: Science of the Total Environment. 443, p. 910-919

    Research output: Contribution to journalArticlepeer-review

  46. Published

    Drought-induced carbon loss in peatlands

    Fenner, N. & Freeman, C., 20 Nov 2011, In: Nature Geoscience. 4, p. 895-900

    Research output: Contribution to journalArticlepeer-review

  47. Published

    Divergent responses of wetland methane emissions to elevated atmospheric CO2 dependent on water table

    Lin, Y., Yuan, J., Liu, D., Kang, H., Freeman, C., Hu, H-W., Ye, G. & Ding, W., 15 Oct 2021, In: Water Research. 205, 117682.

    Research output: Contribution to journalArticlepeer-review

  48. Published

    Dissolved organic carbon and trihalomethane precursor removal at a UK upland water treatment works

    Gough, R. S., Holliman, P. J., Willis, N. & Freeman, C., 15 Jan 2014, In: Science of the Total Environment. 468-469, p. 228-239

    Research output: Contribution to journalArticlepeer-review

  49. Published

    Dissolved organic carbon and trihalomethane formation potential removal during coagulation of a typical UK upland water with alum, PAX-18 and PIX-322

    Gough, R. S., Holliman, P. J., Heard, T. R. & Freeman, C., 1 Dec 2014, In: Journal of Water Supply: Research and Technology - AQUA. 63, 8, p. 650-660

    Research output: Contribution to journalArticlepeer-review

  50. Published

    Determination of poly-β-hydroxyalkanoate in Peat

    Dowrick, D., Yusoff, F., Gough, R. & Freeman, C., Feb 2017, In: Communications in Soil Science and Plant Analysis. 48, 5, p. 576-580

    Research output: Contribution to journalArticlepeer-review