Associate Professor David Campbell
Associate Professor (Earth Sciences)
Qualifications: BSc(Hons), PhD Otago
Personal Website: http://waiber.com
My research contributes to the understanding of how ecosystems function, especially the way they exchange water, energy, carbon, and greenhouse gases with their atmospheric environment. I have predominantly worked within two groups of ecosystems: N.Z.’s globally distinctive peat wetlands; and our intensively managed agricultural systems. In the 1990’s I was an early adopter of micrometeorological methods for investigating the water and energy balances, then CO2 and CH4 exchanges, of wetlands. With colleagues, I then applied these methodologies to investigate whole-farm carbon balances as a way of understanding the impact of the intensive management of grazed farming systems on soil carbon stocks. We now use these approaches to study ecosystem-scale greenhouse gas exchanges while still focussing on the sensitivity of ecosystems (whether natural or managed) to disturbance regimes, climate extremes (e.g. drought), and environmental change.
- Ratcliffe, Joshua (inRatcliffe, Joshua progress). Carbon sequestration and biogeochemical cycling in damaged and pristine peatlands.
- Goodrich, Jordan (2015). Magnitude and controls on the net carbon balance of a New Zealand bog.
- Kalaugher, Electra (2015). Adaptation of New Zealand dairy farms to climate change: An integrated, farm-level analysis.
- Rutledge-Jonker, Susanna (2010). Carbon dioxide losses from terrestrial organic matter resulting from photodegradation and microbial respiration.
- Keyte Beattie, Alexandra (2014). The role of Empodisma robustum litter in CO2 exchange at Kopuatai bog.
- Sturgeon, Catherine (2013). Assessing dissolved organic carbon export from Kopuatai bog, New Zealand.
- Blyth, James (2011). Ecohydrological characterisation of Whangamarino wetland.
Liang, L. L., Campbell, D. I., Wall, A. M., & Schipper, L. A. (2018). Nitrous oxide fluxes determined by continuous eddy covariance measurements from intensively grazed pastures: Temporal patterns and environmental controls. Agriculture, Ecosystems and Environment, 268, 171-180. doi:10.1016/j.agee.2018.09.010
Kalaugher, E., Beukes, P., Bornman, J. F., Clark, A., & Campbell, D. I. (2017). Modelling farm-level adaptation of temperate, pasture-based dairy farms to climate change. Agricultural Systems, 153, 53-68. doi:10.1016/j.agsy.2017.01.008
Goodrich, J. P., Campbell, D. I., & Schipper, L. A. (2017). Southern Hemisphere bog persists as a strong carbon sink during droughts. Biogeosciences, 14(20), 4563-4576. doi:10.5194/bg-14-4563-2017
Ratcliffe, J., Andersen, R., Anderson, R., Newton, A., Campbell, D., Mauquoy, D., & Payne, R. (2017). Contemporary carbon fluxes do not reflect the long-term carbon balance for an Atlantic blanket bog. The Holocene, 095968361771568. doi:10.1177/0959683617715689 Open Access version: https://hdl.handle.net/10289/11368
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