Professor Chris Freeman

Emeritus Professor

  1. Cyhoeddwyd

    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 Maw 2007, Yn: Environmental Science and Technology. 41, 9, t. 3146-3152

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  2. Cyhoeddwyd

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

    Fenner, N., Ostle, N., Freeman, C., Sleep, D. & Reynolds, B., Chwef 2004, Yn: Plant and Soil. 259, 1-2, t. 345-354

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  3. Cyhoeddwyd

    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 Medi 2006, Yn: Soil Use and Management. 22, 3, t. 267-273

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  4. Cyhoeddwyd

    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 Meh 2007, Yn: Ecosystems. 10, 4, t. 635-647

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  5. Cyhoeddwyd

    Drought-induced carbon loss in peatlands

    Fenner, N. & Freeman, C., 20 Tach 2011, Yn: Nature Geoscience. 4, t. 895-900

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  6. Cyhoeddwyd

    Export of organic carbon from peat soils.

    Freeman, C., Evans, C. D., Monteith, D. T., Reynolds, B. & Fenner, N., 23 Awst 2001, Yn: Nature. 412, 6849, t. 785

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  7. Cyhoeddwyd

    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 Gorff 2004, Yn: Nature. 430, 6996, t. 195-198

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  8. Cyhoeddwyd

    Effects of elevated atmospheric CO2 concentrations on soil microorganisms.

    Freeman, C., Kim, S. Y., Lee, S. H. & Kang, H., 1 Rhag 2004, Yn: Journal of Microbiology. 42, 4, t. 267-277

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  9. Cyhoeddwyd

    Peatland geoengineering: an alternative approach to terrestrial carbon sequestration

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

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  10. Cyhoeddwyd

    Contrasted effects of simulated drought on the production and oxidation of methane in a mid-Wales wetland.

    Freeman, C., Nevison, G. B., Kang, H., Hughes, S., Reynolds, B. & Hudson, J. A., 1 Ion 2002, Yn: Soil Biology and Biochemistry. 34, 1, t. 61-67

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  11. Cyhoeddwyd

    An enzymatic 'latch' on a global carbon store;- a shortage of oxygen locks up carbon in peatlands by restraining a single enzyme.

    Freeman, C., Ostle, N. J. & Kang, H., 11 Ion 2001, Yn: Nature. 409, 6817, t. 149

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  12. Cyhoeddwyd

    A regulatory role for phenol oxidase during decomposition in peatlands.

    Freeman, C., Ostle, N., Fenner, N. & Kang, H., 1 Hyd 2004, Yn: Soil Biology and Biochemistry. 36, 10, t. 1663-1667

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  13. Cyhoeddwyd

    The use of fluorogenic substrates for measuring enzyme activity in peatlands

    Freeman, C., Liska, G., Ostle, N. J. & Lock, M. A., 1 Awst 1995, Yn: Plant and Soil. 175, 1, t. 147-152

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  14. Cyhoeddwyd

    Decomposition as a regulator of carbon accretion in mangroves: a review

    Friesen, S., Dunn, C. & Freeman, C., Ebr 2018, Yn: Ecological Engineering. 114, t. 173-178

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  15. Cyhoeddwyd

    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 Meh 2023, Yn: Catena. 227, 107108.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  16. Cyhoeddwyd

    The impact of climate change on the treatability of dissolved organic matter (DOM) in upland water supplies: a UK perspective

    Gough, R. S., Ritson, J. P., Graham, N. J., Templeton, M. R., Clark, J. M., Gough, R. & Freeman, C., 10 Ion 2014, Yn: Science of the Total Environment. 473-474, t. 714-730

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  17. Cyhoeddwyd

    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 Ion 2014, Yn: Science of the Total Environment. 468-469, t. 228-239

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  18. Cyhoeddwyd

    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 Rhag 2014, Yn: Journal of Water Supply: Research and Technology - AQUA. 63, 8, t. 650-660

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  19. Cyhoeddwyd

    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 Chwef 2016, Yn: Water Environment Research. 88, 2, t. 107-117

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  20. Cyhoeddwyd

    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 Tach 2012, Yn: Lake and Reservoir Management. 28, 4, t. 282-292

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  21. Cyhoeddwyd

    Characterisation of algogenic organic matter during an algal bloom and its implications for trihalomethane formation

    Gough, R. S., Gough, R., Holliman, P. J., Cooke, G. M. & Freeman, C., 1 Medi 2015, Yn: Sustainability of Water Quality and Ecology. 6, September, t. 11-19

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  22. Cyhoeddwyd

    Relationships between reservoir water quality and catchment habitat type

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

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  23. Cyhoeddwyd

    Tracing dissolved organic carbon and trihalomethane formation potential between source water and finished drinking water at a lowland and an upland UK catchment

    Gough, R. S., Brooks, E., Freeman, C., Gough, R. & Holliman, P. J., 15 Awst 2015, Yn: Science of the Total Environment. 537, t. 203-212

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  24. Cyhoeddwyd

    UV-visible absorbance spectroscopy as a proxy for peatland dissolved organic carbon (DOC) quantity and quality: considerations on wavelength and absorbance degradation

    Gough, R. S., Peacock, M., Evans, C. D., Fenner, N., Freeman, C., Gough, R., Jones, T. G. & Lebron, I., 4 Ebr 2014, Yn: Environmental Science: Processes and Impacts. 50, 6, t. 1445-1461

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  25. Cyhoeddwyd

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

    Gusewell, S. & Freeman, C., 1 Awst 2005, Yn: Functional Ecology. 19, 4, t. 582-593

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  26. Cyhoeddwyd

    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 Tach 2016, Yn: Natural Science. 8, 11, t. 487-498

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  27. Cyhoeddwyd

    Temporal variations in dissolved organic carbon concentrations in upland and lowland lakes in North Wales

    Hughes, D. D., Holliman, P. J., Jones, T. & Freeman, C., 1 Meh 2013, Yn: Water and Environment Journal. 27, 2, t. 275-283

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  28. Cyhoeddwyd

    Assessment of potential climate change impacts on peatland dissolved organic carbon release and drinking water treatment from laboratory experiments

    Hughes, D. D., Tang, R., Clark, J. M., Bond, T., Graham, N., Hughes, D. & Freeman, C., 1 Chwef 2013, Yn: Environmental Pollution. 173, t. 270-277

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  29. Cyhoeddwyd

    Waste Water Treatment

    Jones, D., Freeman, C. & Sánchez-Rodríguez, A. R., 1 Ion 2017, Encyclopedia of Applied Plant Sciences. Thomas, B., Murray, B. G. & Murphy, D. J. (gol.). 2 gol. Elsevier, Cyfrol 3. t. 352 10 t.

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennodadolygiad gan gymheiriaid

  30. Cyhoeddwyd

    Waste water treatment.

    Jones, D. L., Freeman, C., Thomas, B. (gol.), Murphy, D. (gol.) & Murray, B. (gol.), 1 Ion 2003, Encyclopaedia of applied plant science. 2003 gol. Academic Press, t. 772-781

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennod

  31. Cyhoeddwyd

    The greenhouse gas (GHG) emissions associated with aquatic carbon removal during drinking water treatment

    Jones, T., Evans, C. D. & Freeman, C., 1 Gorff 2016, Yn: Aquatic Sciences. 78, 3, t. 561-572

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  32. Cyhoeddwyd

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

    Jones, T. G., Freeman, C., Lloyd, A. & Mills, G., 1 Meh 2009, Yn: Ecological Engineering. 35, 6, t. 971-977

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  33. Cyhoeddwyd

    Transformations in DOC along a source to sea continuum; impacts of photo-degradation, biological processes and mixing

    Jones, T. G., Evans, C. D., Jones, D., Hill, P. W. & Freeman, C., 1 Gorff 2016, Yn: Aquatic Sciences. 78, 3, t. 433-446

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  34. Cyhoeddwyd

    An experimental use of floating treatment wetlands (FTWs) to reduce phytoplankton growth in freshwaters

    Jones, T., Willis, N., Gough, R. & Freeman, C., Chwef 2017, Yn: Ecological Engineering. 99, t. 316-323

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  35. Cyhoeddwyd

    N-Acetylglucosaminidase activities in wetlands: a global survey

    Kang, H. J., Freeman, C., Park, S. S. & Chun, J., 1 Ion 2005, Yn: Hydrobiologia. 532, t. 103-110

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  36. Cyhoeddwyd

    Shifts of soil enzyme activities in wetlands exposed to elevated CO2

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

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  37. Cyhoeddwyd

    Soil enzyme analysis for leaf litter decomposition in global wetlands.

    Kang, H. & Freeman, C., 1 Rhag 2009, Yn: Communications in Soil Science and Plant Analysis. 40, 21-22, t. 3323-3334

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  38. Cyhoeddwyd

    The influence of hydrochemistry on methane emissions from two contrasting northern wetlands.

    Kang, H. & Freeman, C., 1 Tach 2002, Yn: Water Air and Soil Pollution. 141, 1-4, t. 263-272

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  39. Cyhoeddwyd

    Microbes, Environmental Change and the Global Carbon Cycle

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

    Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion CynhadleddPennodadolygiad gan gymheiriaid

  40. Cyhoeddwyd

    Biologically driven DOC release from peatlands during recovery from acidification

    Kang, H., Kwon, M. J., Kim, S., Lee, S., Jones, T. G., Johncock, A. C., Haraguchi, A. & Freeman, C., 18 Medi 2018, Yn: Nature Communications. 9, 3807.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  41. Cyhoeddwyd

    Effects of elevated CO2 on fen peat biogeochemistry.

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

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  42. Cyhoeddwyd

    Comparative analysis of soil microbial communities and their responses to the short-term drought in bog, fen, and riparian wetlands

    Kim, S. Y., Lee, S. H., Freeman, C., Fenner, N. & Kang, H., 1 Tach 2008, Yn: Soil Biology and Biochemistry. 40, 11, t. 2874-2880

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  43. Cyhoeddwyd

    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., Maw 2020, Yn: Applied Soil Ecology. 147, 103386.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  44. Cyhoeddwyd

    Water table fluctuation in peatlands facilitates fungal proliferation, impedes Sphagnum growth and accelerates decomposition

    Kim, J., Rochefort, L., Hugron, S., Alqulaiti, Z., Dunn, C., Pouliot, R., Jones, T., Freeman, C. & Kang, H., 22 Ebr 2021, Yn: Frontiers Earth Science. 8, 579329.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  45. Cyhoeddwyd

    Changing thermal sensitivity of bacterial communities and soil enzymes in a bog peat in spring, summer and autumn

    Kim, S-Y., Zhou, X., Freeman, C. & Kang, H., 1 Mai 2022, Yn: Applied Soil Ecology. 173, 104382.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  46. Cyhoeddwyd

    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 Meh 2012, Yn: Applied Soil Ecology. 57, t. 23-30

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  47. Cyhoeddwyd

    Attenuation of Methane Oxidation by Nitrogen Availability in Arctic Tundra Soils

    Lee, J., Yun, J., Yang, Y., Jung, J. Y., Lee, Y. K., Yuan, J., Ding, W., Freeman, C. & Kang, H., 14 Chwef 2023, Yn: Environmental Science and Technology. 57, 6, t. 2647-2659 13 t.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  48. Cyhoeddwyd

    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 Ion 2008, Yn: Biogeosciences. 5, 5, t. 1475-1491

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  49. Cyhoeddwyd

    Substrate sources regulate spatial variation of metabolically active methanogens from two contrasting freshwater wetlands

    Lin, Y. X., Liu, D. Y., Ding, W. X., Kang, H. J., Freeman, C., Yuan, J. J. & Xiang, J., 19 Awst 2015, Yn: Applied Microbiology and Biotechnology. 99, 24, t. 10779-10791

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid

  50. Cyhoeddwyd

    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 Hyd 2021, Yn: Water Research. 205, 117682.

    Allbwn ymchwil: Cyfraniad at gyfnodolynErthygladolygiad gan gymheiriaid