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Bryan Stevenson

Research Associate
Land Use & Ecosystems
Bryan Stevenson
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PhD Soil Science

MSc Range Science

Califonia & Santa Barbara
BA Zoology & Env Studies


Drewry JJ, Stevenson BA, McNeill SJ, Cavanagh JAE, Taylor MD Early access Apr 2021. Impact of volumetric versus gravimetric assessment on Olsen P concentrations. New Zealand Journal of Agricultural Research. WOS:000642160200001

Drewry JJ, Cavanagh JAE, McNeill SJ, Stevenson BA, Gordon DA, Taylor MD 2021. Long-term monitoring of soil quality and trace elements to evaluate land use effects and temporal change in the Wellington region, New Zealand. Geoderma Regional 25. WOS:000663406200001

Lilburne L, Eger A, Mudge P, Ausseil AG, Stevenson B, Herzig A, Beare M 2020. The Land Resource Circle: supporting land-use decision making with an ecosystem-service-based framework of soil functions. Geoderma 363. WOS:000515198500011

Stronge DC, Stevenson BA, Harmsworth GR, Kannemeyer RL 2020. AWell-Being Approach to Soil Health-Insights from Aotearoa New Zealand. Sustainability 12(18). WOS:000584284600001

Harmsworth G, Stevenson B 2020. Defining soil health from a Māori world view. Soil Horizons.

Stevenson B, Drewery J 2019. Soil health in New Zealand pastoral land uses: Macroporosity as an often overlooked indicator. Proceedings: Soil Science Society of America Annual Meeting 2019, San Antonio, TX, USA, 10-13 November 2019.

Astudillo-Garcia C, Hermans SM, Stevenson B, Buckley HL, Lear G 2019. Microbial assemblages and bioindicators as proxies for ecosystem health status: potential and limitations. Applied Microbiology and Biotechnology 103(16): 6407-6421. WOS:000477927800002

Lambie SM, Ghani A, Mudge PL, Stevenson BA 2019. Decadal changes in soil organic matter due to microaggregate and hot water extractable pools. Soil Science Society of America Journal 83(1): 78-85. WOS:000459315800010

Orwin KH, Mason NWH, Jordan OM, Lambie SM, Stevenson BA, Mudge PL 2018. Season and dominant species effects on plant trait – ecosystem function relationships in intensively grazed grassland. Journal of Applied Ecology 55(1): 236–245.

McNeil S, Lilburne L, Carrick S, Hedley C, Stevenson B, Mudge P, Hainsworth S 2017. [Abstract] Improvements in spatial soil sample design efficiency. Proceedings: Pedometrics 2017, Wageningen, Netherlands, 26 June – 1 July 2017. Pp. 152.

Stevenson BA, Sarmah AK, Smernik R, Hunter DWF, Fraser S 2016. Soil carbon characterization and nutrient ratios across land uses on two contrasting soils: their relationships to microbial biomass and function. Soil Biology & Biochemistry 97: 50–62.

Stevenson BA, McNeill S, Hewitt AE 2015. Characterising soil quality clusters in relation to land use and soil order in New Zealand: an application of the phenoform concept. Geoderma 239–240: 135–142.

Sparling GP, Littler R, Schipper LA, Stevenson B, Sherman L, Russell JM 2015. Changes in characteristics of soils irrigated with processing wastewater from three New Zealand dairy factories. Soil Research 53(4): 448–460.

Orwin KA, Stevenson BA, Smaill SJ, Kirschbaum MUF, Dickie IA, Clothier BE, Garrett LG, Van der Weerden TJ, Beare MH, Curtin D, De Klein CAM, Dodd MB, Gentile R, Hedley C, Mullan B, Shepherd M, Wakelin SA, Bell N, Bowatte S, Davis MR, Dominati E, O'Callaghan M, Parfitt RL, Thomas S 2015. Effects of climate change on the delivery of soil-mediated ecosystem services within the primary sector in temperate ecosystems: a review and New Zealand case study. Global Change Biology 21(8): 2844–2860.

Craine JM, Elmore AJ, Wang L, Augusto L, Baisden WT, Brookshire ENJ, Cramer MD, Hasselquist NJ, Hobbie EA, Kahmen A, Koba K, Kranabetter JM, Mack MC, Marin-Spiotta E, Mayor JR, Mclauchlan KK, Michelsen A, Nardoto GB, Oliveira RS, Perakis SS, Peri PL, Quesada CA, Richter A, Schipper LA, Stevenson BA, Turner BL, Viani RAG, Wanek W, Zeller B 2015. Convergence of soil nitrogen isotopes across global climate gradients. Scientific Reports 5: 8280.

Scott JT, Lambie SM, Stevenson BA, Schipper LA, Parfitt RL, McGill AC 2015. Carbon and nitrogen leaching under high and low phosphate fertility pasture with increasing nitrogen inputs. Agriculture, Ecosystems & Environment 202: 139–147.

Curran-Cournane F, Stevenson B, Lear G 2014. Mapping soil health from microbial genes. Soil Horizons 23: 5.

Parfitt RL, Stevenson BA, Ross C, Fraser S 2014. Changes in pH, bicarbonate-extractable-P, carbon and nitrogen in soils under pasture over 7 to 27 years. New Zealand Journal of Agricultural Research 57(3): 216–227.

Stevenson BA, Hunter DWF, Rhodes PL 2014. Temporal and seasonal change in microbial community structure of an undisturbed, disturbed, and carbon-amended pasture soil. Soil Biology & Biochemistry 75: 175–185.

Verburg PSJ, Kapitzke SE, Stevenson BA, Bisiaux M 2014. Carbon allocation in Larrea tridentata plant-soil systems as affected by elevated soil moisture and N availability. Plant and Soil 378: 227–238.

Ma J, Wang Z-Y, Stevenson BA, Zheng X-J, Li Y 2013. An inorganic CO2 diffusion and dissolution process explains negative CO2 fluxes in saline/alkaline soils. Scientific reports 3. ISI:000320577000007

O’Neill T, Balks M, Stevenson B, López-Martínez J, Aislabie J, Rhodes P 2013. The short-term effects of surface soil disturbance on soil bacterial community structure at an experimental site near Scott Base, Antarctica. Polar biology 36(7): 985-996.

McDowell RW, Taylor MD, Stevenson BA 2013. Natural background and anthropogenic contributions of cadmium to New Zealand soils. Agriculture, ecosystems and environment 165: 80-87.

Verburg PSJ, Young AC, Stevenson BA, Glanzmann I, Arnone JA, Marion GM, Holmes C, Nowak RS 2013. Do increased summer precipitation and N deposition alter fine root dynamics in a Mojave Desert ecosystem? Global Change Biology 19(3): 948-956.

Parfitt RL, Couper J, Parkinson R, Schon NL, Stevenson BA 2012. Effect of nitrogen fertilizer on nitrogen pools and soil communities under grazed pastures. New Zealand Journal of Agricultural Research 55(3): 217–233.

Padamsee MB, S., Dickie I, Fraser S, Park D, Stevenson B, Weir B 2012. [Poster abstract] Stuff in Duff: a metagenomic study of fungi in kauri forests. Proceedings: 80th Meeting of the Mycological Society of America, Yale University, New Haven, CT, 15-18 July 2012.

Aislabie J, Bockheim J, McLeod M, Hunter D, Stevenson B, Barker GM 2012. Microbial biomass and community structure changes along a soil development chronosequence near Lake Wellman, southern Victoria Land. Antarctic Science 24(2): 154–164.

Stevenson B, McNeill S, Hewitt A 2012. Utilising the soil quality monitoring data set: multivariate and spatial analysis of soil quality data. Landcare Research contract report ; LC1060. Landcare Research. 35 p.

Parfitt RL, Stevenson BA, Dymond JR, Schipper LA, Baisden WT, Ballantine DJ 2012. Nitrogen inputs and outputs for New Zealand from 1990 to 2010 at national and regional scales. New Zealand Journal of Agricultural Research 55(3): 241–262.

Stevenson B 2011. Updated website to assess soil quality. MAF Update 6.

Stevenson BA, Schipper LA, McGill A, Clark D 2011. Denitrification and availability of carbon and nitrogen in a well-drained pasture soil amended with particulate organic carbon. Journal of environmental quality 40(3): 923-930. WOS:000289886000026

Dickie IA, Yeates GW, St. John MG, Stevenson BA, Scott JT, Rillig MC, Peltzer DA, Orwin KH, Kirschbaum MUF, Hunt JE, Burrows LE, Barbour MM, Aislabie J 2011. Ecosystem service and biodiversity trade-offs in two woody successions. Journal of applied ecology 48(4): 926-934.

Stevenson BA, Parfitt RL, Schipper LA, Baisden WT, Mudge P 2010. Relationship between soil [delta]15N, C/N and N losses across land uses in New Zealand. Agriculture, ecosystems & environment 139(4): 736-741.

Stevenson BA, Kelly EF, McDonald EV, Busacca AJ, Welker JM 2010. Oxygen isotope ratios in Holocene carbonates across a climatic gradient, eastern Washington State, USA: Evidence for seasonal effects on pedogenic mineral isotopic composition. Holocene 20(4): 575-583. ISI:000278435600008

Stevenson BA, Kelly EF, McDonald EV, Busacca AJ 2005. The stable carbon isotope composition of soil organic carbon and pedogenic carbonates along a bioclimatic gradient in the Palouseregion, Washington State, USA. Geoderma 124(1-2): 37-47.

Stevenson BA, Smale MC 2005. Seed bed treatment effects on vegetation and seedling establishment in a New Zealand pasture one year after seeding with native woody species. Ecological management and restoration 6(2): 124-131.

Stevenson BA, Sparling GP, Schipper LA, Degens BP, Duncan LC 2004/1. Pasture and forest soil microbial communities show distinct patterns in their catabolic respiration responses at a landscape scale. Soil biology and biochemistry 36(1): 49-55.

Stevenson BA 2004. Changes in phosphorus availability and nutrient status of indigenous forest fragments in Pastoral New Zealand Hill country. Plant and soil 262(1-2): 317-325.

Wu JY, Buckley HL, Curry L, Stevenson BA, Schipper LA, Lear G 2021. Livestock exclusion reduces the spillover effects of pastoral agriculture on soil bacterial communities in adjacent forest fragments. Environmental Microbiology 23(6): 2919-2936. WOS:000647889800001

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