Professor Chris Freeman

Emeritus Professor

  1. Article › Research › Peer-reviewed
  2. 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

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

  22. 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

  23. 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

  24. 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

  25. 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

  26. 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

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. Published

    Nitrogen availability influences microbial reduction of ferrihydrite-organic carbon with substantial implications for exports of iron and carbon from peatlands

    Qin, L., Tian, W., Freeman, C. & Jiang, M., Sept 2020, In: Applied Soil Ecology. 153, 103637.

    Research output: Contribution to journalArticlepeer-review

  33. Published

    Non‐native plant invasion can accelerate global climate change by increasing wetland methane and terrestrial nitrous oxide emissions

    Beyene, B. B., Li, J., Yuan, J., Dong, Y., Liu, D., Chen, Z., Kim, J., Freeman, C., Kang, H. & Ding, W., Sept 2022, In: Global Change Biology. 28, 18, p. 5453-5468 16 p.

    Research output: Contribution to journalArticlepeer-review

  34. Published

    Nutrient limitation and enzyme activities during litter decomposition of nine wetland species in relation to litter N : P ratios

    Gusewell, S. & Freeman, C., 1 Aug 2005, In: Functional Ecology. 19, 4, p. 582-593

    Research output: Contribution to journalArticlepeer-review

  35. Published

    Observations of a seasonally shifting thermal optimum in peatland carbon-cycling processes; implications for the global carbon cycle and soil enzyme methodologies.

    Fenner, N., Freeman, C. & Reynolds, B., 1 Oct 2005, In: Soil Biology and Biochemistry. 37, 10, p. 1814-1821

    Research output: Contribution to journalArticlepeer-review

  36. Published

    Peatland carbon efflux partitioning reveals that Sphagnum photosynthate contributes to the DOC pool

    Fenner, N., Ostle, N., Freeman, C., Sleep, D. & Reynolds, B., Feb 2004, In: Plant and Soil. 259, 1-2, p. 345-354

    Research output: Contribution to journalArticlepeer-review

  37. Published

    Peatland ditch blocking has no effect on dissolved organic matter (DOM) quality

    Peacock, M., Jones, T. G., Futter, M. N., Freeman, C., Gough, R., Baird, A. J., Green, S. M., Chapman, P. J., Holden, J. & Evans, C. D., 30 Dec 2018, In: Hydrological Processes. 32, 26, p. 3891-3906

    Research output: Contribution to journalArticlepeer-review

  38. Published

    Peatland geoengineering: an alternative approach to terrestrial carbon sequestration

    Freeman, C., Fenner, N. & Shirsat, A. H., 13 Sept 2012, In: Philosophical Transactions of the Royal Society A. 370, 1974, p. 4404-4421

    Research output: Contribution to journalArticlepeer-review

  39. Published

    Peatlands and the carbon cycle: from local processes to global implications - a synthesis.

    Limpens, J., Berendse, F., Blodau, C., Canadell, J. G., Freeman, C., Holden, J., Roulet, N., Rydin, H. & Schaepman-Strub, G., 1 Jan 2008, In: Biogeosciences. 5, 5, p. 1475-1491

    Research output: Contribution to journalArticlepeer-review

  40. Published

    Peatlands: our greatest source of carbon credits?

    Dunn, C. & Freeman, C., 2011, In: Carbon Management. 2, 3, p. 289-301

    Research output: Contribution to journalArticlepeer-review

  41. Published

    Plant Species Effects on the Carbon Storage Capabilities of a Blanket bog Complex

    Dunn, C., Jones, T., Roberts, S. & Freeman, C., 1 Feb 2016, In: Wetlands. 36, 1, p. 47-58

    Research output: Contribution to journalArticlepeer-review

  42. Published

    Quantifying dissolved organic carbon concentrations in upland catchments using phenolic proxy measurements

    Peacock, M., Burden, A., Cooper, M., Dunn, C., Evans, C. D., Fenner, N., Freeman, C. G., Gough, R. S., Hughes, D., Hughes, S., Jones, T., Lebron, I., West, M. & Zieliński, P., 16 Jan 2013, In: Journal of Hydrology. 477, p. 251-260

    Research output: Contribution to journalArticlepeer-review

  43. Published

    Rapid growth in greenhouse gas emissions from the adoption of industrial-scale aquaculture

    Yuan, J. J., Xiang, J., Liu, D., Kang, H., He, T., Kim, S., Lin, Y., Freeman, C. & Ding, W. X., Apr 2019, In: Nature Climate Change. 9, 4, p. 318-322

    Research output: Contribution to journalArticlepeer-review

  44. Published

    Rapid, Semi-Automated Fractionation of Freshwater Dissolved Organic Carbon Using DAX 8 (XAD 8) and XAD 4 Resins in Tandem

    Hughes, D., Holliman, P., Jones, T., Jones, T., Butler, A. J. & Freeman, C., 22 Nov 2016, In: Natural Science. 8, 11, p. 487-498

    Research output: Contribution to journalArticlepeer-review

  45. Published

    Relationships between reservoir water quality and catchment habitat type

    Gough, R., Cohen, Y., Fenner, N., Cannon, J. & Freeman, C., 1 Jan 2016, In: International Journal of Environmental Technology and Management. 19, 1, p. 16-39

    Research output: Contribution to journalArticlepeer-review

  46. Published

    Seasonal variations in decomposition processes in a valley-bottom riparian peatland

    Bonnett, S. A., Ostle, N. & Freeman, C., 1 Nov 2006, In: Science of the Total Environment. 370, 2-3, p. 561-573

    Research output: Contribution to journalArticlepeer-review

  47. Published

    Sensitivity of peatland litter decomposition to changes in temperature and rainfall

    Bell, M., Ritson, J. P., Verhoef, A., Brazier, R. E., Templeton, M. R., Graham, N., Freeman, C. & Clark, J. M., 1 Dec 2018, In: Geoderma. 331, p. 29-37

    Research output: Contribution to journalArticlepeer-review

  48. Published

    Shifts of soil enzyme activities in wetlands exposed to elevated CO2

    Kang, H., Kim, S. Y., Fenner, N. & Freeman, C., 20 Jan 2005, In: Science of the Total Environment. 337, 1-3, p. 207-212

    Research output: Contribution to journalArticlepeer-review

  49. Published

    Short-term effect of deep shade and enhanced nitrogen supply on Sphagnum capillofolium morphophysiology.

    Bonnett, S. A., Ostle, N. & Freeman, C., 1 Apr 2010, In: Plant Ecology. 207, 2, p. 347-358

    Research output: Contribution to journalArticlepeer-review

  50. Published

    Simulated climate change impact on summer dissolved organic carbon release from peat and surface vegetation: Implications for drinking water treatment

    Ritson, J. P., Bell, M., Graham, N. J., Templeton, M. R., Brazier, R. E., Verhoef, A., Freeman, C. & Clark, J. M., 18 Sept 2014, In: Water Research. 67, p. 66-76

    Research output: Contribution to journalArticlepeer-review

  51. Published

    Soil enzyme analysis for leaf litter decomposition in global wetlands.

    Kang, H. & Freeman, C., 1 Dec 2009, In: Communications in Soil Science and Plant Analysis. 40, 21-22, p. 3323-3334

    Research output: Contribution to journalArticlepeer-review