| Volumes and Issues Contents of Issue 5 Special Issue |
| Biogeosciences, 5, 1475-1491, 2008 www.biogeosciences.net/5/1475/2008/ doi:10.5194/bg-5-1475-2008 © Author(s) 2008. This work is distributed under the Creative Commons Attribution 3.0 License. Peatlands and the carbon cycle: from local processes to global implications – a synthesis 1Nature Conservation and Plant Ecology Group, Wageningen University, Wageningen, The Netherlands 2Limnological Research Station and Department of Hydrology, University of Bayreuth, 95440 Bayreuth, Germany 3Global Carbon Project, CSIRO Marine and Atmospheric Research, GPO Box 3023, Canberra, ACT 2601, Australia 4School of Biological Sciences, Bangor University, Wales, LL57 2UW, UK 5School of Geography, University of Leeds, Leeds, LS2 9JT, UK 6Department of Geography, McGill University, 805, Sherbrooke Street West, Montréal, Québec, H3A 2K6, Canada 7Department of Plant Ecology, Evolutionary Biology Centre, Uppsala University, Villavägen 14, 752 36 Uppsala, Sweden |  |
The main drivers controlling C fluxes are largely scale dependent and most are related to some aspects of hydrology. Despite high spatial and annual variability in Net Ecosystem Exchange (NEE), the differences in cumulative annual NEE are more a function of broad scale geographic location and physical setting than internal factors, suggesting the existence of strong feedbacks. In contrast, trace gas emissions seem mainly controlled by local factors.
Key uncertainties remain concerning the existence of perturbation thresholds, the relative strengths of the CO2 and CH4 feedback, the links among peatland surface climate, hydrology, ecosystem structure and function, and trace gas biogeochemistry as well as the similarity of process rates across peatland types and climatic zones. Progress on these research areas can only be realized by stronger co-operation between disciplines that address different spatial and temporal scales.
Final Revised Paper (PDF, 652 KB) Discussion Paper (BGD) Corrigendum Special Issue
Citation: Limpens, J., Berendse, F., Blodau, C., Canadell, J. G., Freeman, C., Holden, J., Roulet, N., Rydin, H., and Schaepman-Strub, G.: Peatlands and the carbon cycle: from local processes to global implications – a synthesis, Biogeosciences, 5, 1475-1491, doi:10.5194/bg-5-1475-2008, 2008. Bibtex EndNote Reference Manager XML
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