Professor Chris Freeman
Emeritus Professor
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The environmental release and ecosystem risks of illicit drugs during Glastonbury Festival.
Aberg, D., Chaplin, D., Freeman, C., Paizs, B. & Dunn, C., 1 Mar 2022, In: Environmental Research. 204, Part B, 112061.Research output: Contribution to journal › Article › peer-review
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The effect of peatland drainage and rewetting (ditch blocking) on extracellular enzyme activities and water chemistry
Airey, B. J., Johncock, A. C., Peacock, M. A., Peacock, M., Jones, T. G., Airey, B., Johncock, A., Evans, C. D., Lebron, I., Fenner, N. & Freeman, C., 21 Aug 2014, In: Soil Use and Management. 31, 1Research output: Contribution to journal › Article › peer-review
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A Potential Approach for Enhancing Carbon Sequestration During Peatland Restoration Using Low-Cost, Phenolic-Rich Biomass Supplements
Alshehri, A., Dunn, C., Freeman, C., Hugron, S., Jones, T. & Rochefort, L., 12 May 2020, In: Frontiers in Environmental Science. 8Research output: Contribution to journal › Article › peer-review
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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. 805-814Research output: Contribution to journal › Article › peer-review
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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. 29-37Research output: Contribution to journal › Article › peer-review
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Climatic zone effects of non-native plant invasion on CH4 and N2O emissions from natural wetland ecosystems
Beyene, B. B., Li, J., Yuan, J., Liu, D., Chen, Z., Kim, J., Kang, H., Freeman, C. & Ding, W., 1 Jan 2024, In: Science of the Total Environment. 906, 167855.Research output: Contribution to journal › Article › peer-review
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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 journal › Article › peer-review
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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. 347-358Research output: Contribution to journal › Article › peer-review
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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. 561-573Research output: Contribution to journal › Article › peer-review
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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 journal › Article › peer-review
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Atmospheric nitrogen deposition promotes carbon loss from peat bogs
Bragazza, L., Freeman, C., Jones, T., Rydin, H., Limpens, J., Fenner, N., Ellis, T., Gerdol, R., Hajek, T., Iacumin, P., Kutnar, L., Tahvanainen, T. & Toberman, H., 19 Dec 2006, In: Proceedings of the National Academy of Sciences of the USA. 103, 51, p. 19386-19398Research output: Contribution to journal › Article › peer-review
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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. 439-443Research output: Contribution to journal › Article › peer-review
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The drinking water contaminant dibromoacetonitrile delays G1-S transition and suppresses Chk1 activation at broken replication forks
Caspari, T., Dyer, J., Fenner, N., Dunn, C. & Freeman, C., 2017, In: Scientific Reports. 7, 12730.Research output: Contribution to journal › Article › peer-review
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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. 1227-1241Research output: Contribution to journal › Article › peer-review
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Storm Induced Dissolved Organic Matter Release.
Cork, L., Evans, C., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Jan 2006.Research output: Contribution to conference › Paper
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Storm Induced Dissolved Organic Matter Release.
Cork, L., Evans, C., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Jan 2006.Research output: Contribution to conference › Paper
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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. 910-919Research output: Contribution to journal › Article › peer-review
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Additional carbon sequestration benefits of grassland diversity restoration.
De Deyn, G. B., Shiel, R. S., Ostle, N. J., McNamara, N. P., Oakley, S., Young, I., Freeman, C., Fenner, N., Quirk, H. & Bardgett, R. D., 1 Jun 2011, In: Journal of Applied Ecology. 48, 3, p. 600-608Research output: Contribution to journal › Article › peer-review
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A Decision Support System for Drinking Water Production Integrating Health Risks Assessment
Delpla, I., Monteith, D. T., Freeman, C., Haftka, J., Hermens, J., Jones, T. G., Baures, E., Jung, A. & Thomas, O., 18 Jul 2014, In: International Journal of Environmental Research and Public Health. 11, 7, p. 7354-7375Research output: Contribution to journal › Article › peer-review
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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. 1241-1251Research output: Contribution to journal › Article › peer-review
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Comparison and Standardization of Soil Enzyme Assay for Meaningful Data Interpretation
Deng, S., Dick, R., Freeman, C., Kandeler, E. & Weintraub, M., Feb 2017, In: Journal of Microbiological Methods. 133, February, p. 32-34Research output: Contribution to journal › Article › peer-review
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Cross-laboratory comparison of fluorimetric microplate and colorimetric bench-scale soil enzyme assays
Dick, R., Dick, L., Deng, S., Li, X., Kandeler, E., Poll, C., Freeman, C., Jones, T., Weintraube, M. N. & Saxena, J., 1 Jun 2018, In: Soil Biology and Biochemistry. 121, p. 240-248Research output: Contribution to journal › Article › peer-review
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Sulphate reduction and the suppression of peatland methane emissions following summer drought
Dowrick, D. J., Freeman, C., Lock, M. A. & Reynolds, B., 1 Jun 2006, In: Geoderma. 132, 3-4, p. 384-390Research output: Contribution to journal › Article › peer-review
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Using Thermal Sensitivity Analysis to Determine the Impact of Drainage on the Hydrochemistry of a Tropical Peat Soil from Malaysia
Dowrick, D. J., Freeman, C., Lock, M. A. & Yusoff, F. M., 27 Aug 2015, In: Communications in Soil Science and Plant Analysis. 46, 17, p. 2168-2176Research output: Contribution to journal › Article › peer-review
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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. 576-580Research output: Contribution to journal › Article › peer-review
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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. 9-17Research output: Contribution to journal › Article › peer-review
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Peatlands: our greatest source of carbon credits?
Dunn, C. & Freeman, C., 2011, In: Carbon Management. 2, 3, p. 289-301Research output: Contribution to journal › Article › peer-review
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An affordable methodology for quantifying waterborne microplastics - an emerging contaminant in inland-waters
Dunn, C., Owens, J., Fears, L., Nunnerley, L., Kirby, J., Armstrong, O., Thomas, P. J., Aberg, D., Gilder, W., Green, D., Antwis, R. & Freeman, C., Feb 2020, In: Journal of Limnology. 79, 1, p. 92-95 4 p.Research output: Contribution to journal › Article › peer-review
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Options for Geoengineering the Climate via Microorganisms: A Peatland Case Study
Dunn, C., Fenner, N., Shirsat, A. & Freeman, C., Mar 2016, Climate Change and Microbial Ecology: Current Research and Future Trends. Caister Academic Press, p. 185-200Research output: Chapter in Book/Report/Conference proceeding › Chapter
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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 SocietyResearch output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
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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. 167-172Research output: Contribution to journal › Article › peer-review
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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. 47-58Research output: Contribution to journal › Article › peer-review
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The role of molecular weight in the enzyme-inhibiting effect of phenolics: the significance in peatland carbon sequestration
Dunn, C. & Freeman, C., 15 Apr 2018, In: Ecological Engineering. 114, p. 162-166Research output: Contribution to journal › Article › peer-review
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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. 641-650Research output: Contribution to journal › Article › peer-review
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The interactive effects of elevated carbon dioxide and water table draw-down on carbon cycling in a Welsh ombrotrophic bog.
Ellis, T., Hill, P. W., Fenner, N., Williams, G. G., Godbold, D. & Freeman, C., 1 Jun 2009, In: Ecological Engineering. 35, 6, p. 978-986Research output: Contribution to journal › Article › peer-review
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DOC export to upland waters: old or new carbon?
Evans, C., Cork, L., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Jan 2006.Research output: Contribution to conference › Paper
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DOC export and carbon loss from UK upland soils: similarities and differences between peats and organo-mineral soils.
Evans, C., Freeman, C., Billett, M., Clark, J. M., Tobermann, H., Chapman, P., Cork, L. G., Reynolds, B. & Thomas, D. N., 1 Jan 2007.Research output: Contribution to conference › Paper
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Acidity controls on dissolved organic carbon mobility in organic soils
Evans, C. D., Jones, T. G., Burden, A., Ostle, N., Zieliński, P., Cooper, M. D., Peacock, M., Clark, J. M., Oulehle, F., Cooper, D. & Freeman, C., 1 Nov 2012, In: Global Change Biology. 18, 11, p. 3317-3331Research output: Contribution to journal › Article › peer-review
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Climate change - Terrestrial export of organic carbon - Reply
Evans, C. D., Freeman, C., Monteith, D. T., Reynolds, B. & Fenner, N., 21 Feb 2002, In: Nature. 415, 6874, p. 862Research output: Contribution to journal › Article › peer-review
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Contrasting vulnerability of drained tropical and high-latitude peatlands to fluvial loss of stored carbon
Evans, C. D., Page, S. E., Jones, T., Moore, S., Gauci, V., Laiho, R., Hruska, J., Allot, T. E., Billet, M. F., Tipping, E., Freeman, C. & Garnett, M. H., 13 Nov 2014, In: Global Biogeochemical Cycles. 28, 11, p. 1215-1234Research output: Contribution to journal › Article › peer-review
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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. L07407Research output: Contribution to journal › Article › peer-review
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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. 635-647Research output: Contribution to journal › Article › peer-review
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A novel approach to studying the effects of temperature on soil biogeochemistry using a thermal gradient bar
Fenner, N., Dowrick, D. J., Lock, M. A., Rafarel, C. R. & Freeman, C., 1 Sept 2006, In: Soil Use and Management. 22, 3, p. 267-273Research output: Contribution to journal › Article › peer-review
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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. 1277-1287Research output: Contribution to journal › Article › peer-review
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Carbon preservation in humic lakes; a hierarchical regulatory pathway
Fenner, N. & Freeman, C., 1 Mar 2013, In: Global Change Biology. 19, 3, p. 775-784Research output: Contribution to journal › Article › peer-review
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Hydrological controls on dissolved organic carbon production and release from UK peatlands.
Fenner, N., Freeman, C., Worrall, F., Baird, A. J. (Editor), Belyea, L. R. (Editor), Xavier Comas, A. S. (Editor) & Slater, L. D. (Editor), 1 Jan 2009, Carbon Cycling in Northern Peatlands. 2009 ed. American Geophysical UnionResearch output: Chapter in Book/Report/Conference proceeding › Chapter
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Drought-induced carbon loss in peatlands
Fenner, N. & Freeman, C., 20 Nov 2011, In: Nature Geoscience. 4, p. 895-900Research output: Contribution to journal › Article › peer-review
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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 journal › Article › peer-review
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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. 1814-1821Research output: Contribution to journal › Article › peer-review
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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. 345-354Research output: Contribution to journal › Article › peer-review