Advanced Vocational Awards
Laubach J, Hunt JE, Graham SL, Buxton RP, Rogers GND, Mudge PL, Carrick S, Whitehead D 2019. Irrigation increases forage production of newly established lucerne but enhances net ecosystem carbon losses. Science of the Total Environment 689: 921-936. <Go to ISI>://WOS:000482379400089
Laubach J, Hunt JE, Graham SL, Buxton RP, Rogers GND, Mudge PL, Carrick S, Whitehead D 2019. Irrigation of newly established lucerne enchances net ecosystem carbon losses. Proceedings: OzFlux Conference 2019, Brisbane, Australia, 1-3 July 2019.
Hunt J, E., Graham SL, Laubach L, Buxton RP, Rogers GND, Carrick S, Mudge PL, Whitehead D 2018. Nitrogen budgets for irrigated and non-irrigated lucerne and linkages to the carbon cycle. Proceedings: OzFlux-Asia Flux Conference " Ecosystems Climate & Land-use Change Across Asia & Australasia", Darwin, Australia, 20-26 August 2018.
Laubach J, Hunt JE, graham SL, Buxton RP, Rogers GND, Mudge PL, Carrick S, Whitehead D 2018. Carbon and water budgets of irrigated and non-irrigated lucerne for three years from planting. Proceedings: OzFlux-Asia Flux Conference " Ecosystems Climate & Land-use Change Across Asia & Australasia", Darwin, Australia, 20-26 August 2018.
Graham S, Laubach J, Hunt J, Buxton R, Rogers G, Carrick S, Mudge P, Whitehead D 2018. Carbon and nitrogen balances for irrigated and non-irrigated lucerne: insights to minimise losses. Proceedings: NZ Society of Soil Science Conference: “Diverse Soils – Productive Landscapes”, Napier, New Zealand, 3-6 December 2018.
Laubach J, Whitehead D, Hunt J, Graham S, Buxton R, Rogers G, Mudge P, S. C 2018. Carbon and nitrogen budgets for irrigated and dryland lucerne on stony soils. Proceedings: Agriculture Greenhouse Gas Inventory Research Conference, Wellington, New Zealand, 21-22 March 2018.
Laubach J, Hunt JE, Graham SL, Buxton RP, Rogers GND, Whitehead D, Moinet GYK, Mudge PL 2018. [Poster] Paired eddy-covariance sites to quantify carbon and greenhouse gas budgets of intensive dairy farming in New Zealand. Proceedings: Joint 25th AMOS National Conference and 12th International Conference for Southern Hemisphere Meteorology and Oceanography, Sydney, Australia, 5-9 February 2018. Pp. 121.
Laubach J, Hunt J, Grelet G, Buxton R, Rogers G, Whitehead D 2017. The carbon balance of dryland and irrigated lucerne growing on stony soils. Soil Horizons. http://www.landcareresearch.co.nz/publications/newsletters/soil/issue-26,-october-2017
Carrick S, Rogers G, Cameron K, Malcolm B, Payne J 2017. Testing large area lysimeter designs to measure leaching under multiple urine patches. New Zealand Journal of Agricultural Research 60(2): 205–215. https://doi.org/10.1080/00288233.2017.1291527
Moinet GYK, Cieraad E, Rogers GND, Hunt JE, Millard P, Turnbull MH, Whitehead D 2016. Addition of nitrogen fertiliser increases net ecosystem carbon dioxide uptake and the loss of soil organic carbon in grassland growing in mesocosms. Geoderma 266: 75–83. http://doi.org/10.1016/j.geoderma.2015.12.004
Rogers GND, Bonner KI, Wood JR, Wilmshurst JM 2015. The rail-cutter: a simple, cheap and compact system for opening sediment cores in the lab and field. Journal of Paleolimnology 53(4): 433–436. http://dx.doi.org/10.1007/s10933-015-9830-x
Müller K, Carrick S, Thomas S, Clemens G, Hunter D, Rhodes P, Rogers G 2014. [Abstract] Is subcritical water repellency an issue for efficient irrigation in arable soils? Proceedings: New Zealand Society of Soil Science 2014 Conference "Soil Science for Future Generations", Hamilton, New Zealand, 1-4 December 2014. Pp. 67.
Graham SL, Millard P, Hunt JE, Rogers GND, Whitehead D 2012. Roots affect the response of heterotrophic soil respiration to temperature in tussock grass microcosms. Annals of botany 110(2): 253-258. http://dx.doi.org/10.1093/aob/mcs073
Barbour MM, Hunt JE, Kodama N, Laubach J, McSeveny TM, Rogers GND, Tcherkez G, Wingate L 2011. Rapid changes in delta 13C of ecosystem-respired CO(2) after sunset are consistent with transient 13C enrichment of leaf respired CO(2). New phytologist 190(4): 990-1002. <Go to ISI>://WOS:000290449600019
Graham S, Millard P, Hunt J, Rogers G, Tylianakis JM, Whitehead D 2010. [Abstract] Temperature responses of root respiration, soil organic matter decomposition and rhizosphere priming in tussock grassland soils. Proceedings: Biodiversity : 2010 and beyond : programme and abstracts, University of Otago, Dunedin, 22-25 November 2010. Pp. 39.
Millard P, Hunt J, Rogers G, Whitehead D 2010. Quantifying the loss of soil C from soil organic matter, as a consequence of climate or land-use change. Soil horizons 19: 13. http://www.landcareresearch.co.nz/publications/newsletters/soilhorizons/Soil_Horizons_19.pdf
Price S, Whitehead D, Sherlock R, McSeveny T, Rogers G 2010. Net exchange of greenhouse gases from soils in an unimproved pasture and regenerating indigenous Kunzea ericoides shrubland in New Zealand. Australian Journal of Soil Research 48(5): 385–394. http://dx.doi.org/10.1071/SR09156
Barbour MM, Hunt JE, Walcroft AS, Rogers GND, McSeveny TM, Whitehead D 2005. Components of ecosystem evaporation in a temperate coniferous rainforest, with canopy transpiration scaled using sapwood density. New phytologist 165(2): 549-558.
Carswell FE, Whitehead D, Rogers GND, McSeveny TM 2005. Plasticity in photosynthetic response to nutrient supply of seedlings from a mixed conifer-angiosperm forest. Austral ecology 30: 426-434.
Whitehead D, Walcroft AS, Scott NA, Townsend JA, Trotter CM, Rogers GND 2004. Characteristics of photosynthesis and stomal conductance in the shrubland species manuka (Leptospermum scoparium) and kanuka (Kunzea ericoides) for the estimation of annual canopy carbon uptake. Tree physiology 24: 795-804.
Carswell FE, Millard P, Rogers GND, Whitehead D 2003. Influence of nitrogen and phosphorus supply on foliage growth and internal recycling of nitrogen in conifer seedlings (Prumnopitys ferruginea). Functional plant biology 30(1): 49-55.
Scott NA, White JD, Townsend JA, Whitehead D, Leathwick JR, Hall GMJ, Marden M, Rogers GND, Watson AJ, Whaley PT 2000/8. Carbon and nitrogen distribution and accumulation in a New Zealand scrubland ecosystem. Canadian journal of forest research 30(8): 1246-1255.
Turnbull MH, Tissue DT, Griffin KL, Rogers GND, Whitehead D 1998/10. Photosynthetic acclimation to long-term exposure to elevated CO2 concentration in Pinus radiata D. Don. is related to age of needles. Plant, cell and environment 21(10): 1019-1028.
Rogers GND, Whitehead D 1998/1. Design of a three-stage filtration system to remove contaminant sulphur compounds from a CO2-enriched gas supply for use in long-term tree growth experiments. Environmental technology 19(1): 103-107.
Hogan KP, Whitehead D, Kallarackal J, Buwalda JG, Meekings J, Rogers GND 1996. Photosynthetic activity of leaves of Pinus radiata and Nothofagus fusca after 1 year of growth at elevated CO2. Australian journal of plant physiology 23(5): 623-630.
Whitehead D, Hogan KP, Rogers GND, Byers JN, Hunt JE, McSeveny TM, Hollinger DY, Dungan RJ, Earl WB, Bourke MP, Stott P 1995. Performance of large open-top chambers for long-term field investigations of tree response to elevated carbon dioxide concentration. Journal of biogeography 22(2-3): 307-313.