Professor Chris Freeman
Emeritus Professor
- 2008
- Cyhoeddwyd
Summer drought decreases soil fungal diversity and associated phenol oxidase activity in upland Calluna heathland soil
Toberman, H., Freeman, C., Evans, C., Fenner, N. & Artz, R. R., 1 Tach 2008, Yn: Fems Microbiology Ecology. 66, 2, t. 426-436Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Microbial contributions to climate change through carbon cycle feedbacks.
Bardgett, R. D., Freeman, C. & Ostle, N. J., 1 Awst 2008, Yn: ISME Journal. 2, 8, t. 805-814Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Summer drought effects upon soil and litter extracellular phenol oxidase activity and soluble carbon release in an upland Calluna heathland
Toberman, H., Evans, C., Freeman, C., Fenner, N., White, M., Emmett, B. & Artz, R. R., 1 Meh 2008, Yn: Soil Biology and Biochemistry. 40, 6, t. 1519-1532Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 1475-1491Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2007
- 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. 635-647Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
High nitrogen availability reduces polyphenol content in Sphagnum peat
Bragazza, L. & Freeman, C., 15 Mai 2007, Yn: Science of the Total Environment. 377, 2-3, t. 439-443Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Ebr 2007, Yn: Geophysical Research Letters. 34, 7, t. L07407Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 3146-3152Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Ion 2007.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- 2006
- Cyhoeddwyd
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 Rhag 2006, Yn: Proceedings of the National Academy of Sciences of the USA. 103, 51, t. 19386-19398Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Seasonal variations in decomposition processes in a valley-bottom riparian peatland
Bonnett, S. A., Ostle, N. & Freeman, C., 1 Tach 2006, Yn: Science of the Total Environment. 370, 2-3, t. 561-573Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 267-273Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Sulphate reduction and the suppression of peatland methane emissions following summer drought
Dowrick, D. J., Freeman, C., Lock, M. A. & Reynolds, B., 1 Meh 2006, Yn: Geoderma. 132, 3-4, t. 384-390Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Exogenous enzyme supplements to promote treatment efficiency in constructed wetlands.
Shackle, V., Freeman, C. & Reynolds, B., 15 Mai 2006, Yn: Science of the Total Environment. 361, 1-3, t. 18-24Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
DOC export to upland waters: old or new carbon?
Evans, C., Cork, L., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Ion 2006.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Storm Induced Dissolved Organic Matter Release.
Cork, L., Evans, C., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Ion 2006.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- Cyhoeddwyd
Storm Induced Dissolved Organic Matter Release.
Cork, L., Evans, C., Freeman, C., Thomas, D. N. & Reynolds, B., 1 Ion 2006.Allbwn ymchwil: Cyfraniad at gynhadledd › Papur
- 2005
- Cyhoeddwyd
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 Hyd 2005, Yn: Soil Biology and Biochemistry. 37, 10, t. 1805-1813Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Hyd 2005, Yn: Soil Biology and Biochemistry. 37, 10, t. 1814-1821Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 582-593Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Hydrological effects on the diversity of phenolic degrading bacteria in a peatland: implications for carbon cycling.
Fenner, N., Freeman, C. & Reynolds, B., 1 Gorff 2005, Yn: Soil Biology and Biochemistry. 37, 7, t. 1277-1287Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 207-212Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 103-110Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2004
- 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. 267-277Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 1663-1667Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 195-198Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 345-354Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2003
- Cyhoeddwyd
Waste water treatment.
Jones, D. L., Freeman, C., Thomas, B. (Golygydd), Murphy, D. (Golygydd) & Murray, B. (Golygydd), 1 Ion 2003, Encyclopaedia of applied plant science. 2003 gol. Academic Press, t. 772-781Allbwn ymchwil: Pennod mewn Llyfr/Adroddiad/Trafodion Cynhadledd › Pennod
- 2002
- 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. 263-272Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
Climate change - Terrestrial export of organic carbon - Reply
Evans, C. D., Freeman, C., Monteith, D. T., Reynolds, B. & Fenner, N., 21 Chwef 2002, Yn: Nature. 415, 6874, t. 862Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 61-67Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2001
- 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. 45-50Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 785Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- Cyhoeddwyd
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 Meh 2001, Yn: Soil Use and Management. 17, 2, t. 106-112Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 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. 149Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 2000
- Cyhoeddwyd
Carbon supply and the regulation of emzyme activity in constructed wetlands.
Shackle, V. J., Freeman, C. & Reynolds, B., 1 Tach 2000, Yn: Soil Biology and Biochemistry. 32, 13, t. 1935-1940Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid
- 1995
- 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. 147-152Allbwn ymchwil: Cyfraniad at gyfnodolyn › Erthygl › adolygiad gan gymheiriaid