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Department of Soil Science Publications

​​​​​​​​​​​​​​​​Peer-reviewed Jour​​nal Articles​​

2020

  • Atkinson JT, de Clercq WP, Rozanov AB. (2020). Multi-resolution soil-landscape characterisation in KwaZulu-Natal: Using geomorphons to classify local soilscapes for improved digital geomorphological modelling. Geoderma Regional 22: 1-18​.

  • ​Boostani HR, Hardie AG, Najafi-Ghiri M (2020). Chemical fractions and bioavailability of nickel in a Ni-treated calcareous soil amended with plant residue biochars. Archives of Agronomy and Soil Science 66(6):730-742. 

  • Boostani HR, Hardie AG, Najafi-Ghiri M (2020). Effect of Organic Residues and Their Derived Biochars on the Zinc and Copper Chemical Fractions and Some Chemical Properties of a Calcareous Soil. Communications in Soil Science and Plant Analysis 51(13): 1725-1735. 

  • Boostani HR, Najafi-Ghiri M, Hardie AG (2020). Evaluation of nickel stabilization in a calcareous soil amended with biochars using mathematical adsorption models. Communications in Soil Science and Plant Analysis 51(9): 1213-1226.

  • Boostani HR, Najafi-Ghiri M, Hardie AG (2020). Nickel Immobilization in a Contaminated Calcareous Soil with Application of Organic Amendments and Their Derived Biochars. Communications in Soil Science and Plant Analysis 51(4):503-514. 

  • Clarke CE, le Roux JL, Ellis F, de Clercq WP, van der Waals JH (2020). Pedogenesis of bleached topsoils occurring on weakly structured, high chroma subsoils in South Africa. Catena 193: 1-10.

  • Flynn T, Rozanov AB, Clarke CE (2020). Input map and feature selection for soil legacy data. Geoderma 375: 114452.

  • Flynn T, Rozanov AB, Ellis F, de Clercq WP, Clarke CE (2020). Farm-scale soil patterns derived from automated terrain classification. Catena 185: 104311. 

  • Francis ML, Majodina TO, Clarke CE (2020). A geographic expression of the sepiolite-palygorskite continuum in soils of northwest South Africa. Geoderma 379: 114615. 

  • Froebrich J, Ludi E, Bouarfa S, Rollin D, Jovanocic Nz, Roble M, Ajmi T, Albasha R, Bah S, Bahri H, Barbera G, Van Beek C, Cheviron B, Chishala B, De Clercq WP, Coulibaly Y, Diawara B, Dicko M, Dolinska A, Ducrot R, Erkossa T, Famba SI, Fissahaye D, Garci (2020)​. Transdisciplinary innovation in irrigation smallholder agriculture in Africa. Irrigation and Drainage 69(1):6-22. 

  • Heino J, Roque FDO, Simaika JP, Melo AS, Tonkin JD, Gomes Nogueira D (2020). Conservation of freshwater macroinvertebrate biodiversity in tropical regions. Aquatic Conservation-Marine and Freshwater Ecosystems 30(6): 1238-1250.

  • Jovanovic NZ, Musvoto C, De Clercq WP, Pienaar CJ, Petja B, Zairi A, Hanafi S, Ajmi T, Mailhol J, Cheviron B, Albasha R, Habtu S, Yazew E, Kifle M, Fissahaye D, Aregay G, Habtegebreal K, Gebrekiros A, Woldu Y, Froebrich J (2020). A comparative analysis of yield gaps and water productivity on smallholder farms in Ethiopia, South Africa and Tunisia. Irrigation and Drainage 69(1):70-87. ​

  • Labuschagne J, Van Zyl JG, Agenbag GA, Crous IR, Hoffman JE (2020). Effect of once-off tillage on soil water, inorganic nitrogen and glomalin contents under conservation agriculture in the Swartland sub-region of the Western Cape. South African Journal of Plant and Soil 37(4):273-282. 

  • ​Liebenberg A, Van Der Nest JRR, Hardie AG, Labuschagne J, Swanepoel PA (2020). Extent of soil acidity in no-tillage systems in the Western Cape province of South Africa. Land 9(10): 1-17.​

  • Mills A, Allen J, le Roux ZM (2020). Small ratios of anabolic to catabolic soil nutrients constrain invasive alien trees in the Western Cape, South Africa. SA Journal of Botany 132: 196-203.​

  • Mills A, Christophersen T, Wilkie ML, Mansur E (2020). The United Nations Decade on Ecosystem Restoration: catalysing a global movement. Unasylva 71: 119-126. 

  • Mills A, Strydom T (2020). Basal stem area is a better measure of woodiness than canopy cover in the savannas of the Kruger National Park. South African Journal of Science 116(11/12): 1-2. 

  • Mulenga C, Clarke CE, Meincken M (2020). Physiological and Growth Responses to Pollutant-Induced Biochemical Changes in Plants: A Review. Pollution Research 206: 827-848. 

  • Mulidzi AR, Clarke CE, Myburgh PA (2020). Vulnerability of selected soils in the different rainfall areas to degradation and excessive leaching after winery wastewater application. South African Journal of Enology and Viticulture 41(1):99-112. 

  • Phiri E, Bwalya M, Froebrich J, Mweetwa A, Chishala B, Meebelo N, Shepande C, De Witt M, De Clercq WP (2020). Transdisciplinary development and adoption of irrigation innovations in Africa. Linkages to principles of CAADP: A commentary. Irrigation and Drainage 69(1): 148- 154. ​

  • Samways MJ, Deacon C, Kietzka GJ, Pryke JS, Vorster C, Simaika JP (2020). Value of artificial ponds for aquatic insects in drought-prone southern Africa: a review. Biodiversity and Conservation 29(11-12): 3131-3150. 

  • Samways MJ, Simaika JP, Vorster C (2020). Solutions for humanity on how to conserve insects. Biological Conservation 242: 108427.

  • Samways MJ, Simaika JP (2020). Towards global volunteer monitoring of odonate abundance. Bioscience 70(10):914-923. 

  • Simaika JP, Vorster C, Samways MJ (2020). Scientists' warning to humanity on insect extinctions. Biological Conservation 242: 108426.

  • Simaika JP, Ware J, Samways MJ (2020). Phylogeny of the Synlestidae (Odonata: Zygoptera), with an emphasis on Chlorolestes Selys and Ecchlorolestes Barnard. Scientific Reports 1O: 15088.

  • Smith JDV, Strauss DR, Hardie AG (2020). Effects of long-term grazed crop and pasture systems under no-till on organic matter fractions and selected quality parameters of soil in the Overberg, South Africa. South African Journal of Plant and Soil 37(1): 1-10. 

  • Van Heerden SG, Hardie AG (2020). Effect of vermicompost tea on rooibos (Aspalathus linearis) growth and rhizosphere microbial diversity under field conditions. South African Journal of Plant and Soil 37(1):71-78. 

  • Van Zijl GM, Turner D, Paterson G, Koch J, Van Tol JJ, Barichievy KR, Clarke CE, Du Plessis M, Van Deventer PV (2020). The new soil classification system in South Africa, its history, important changes made and implications for users. South African Journal of Plant and Soil 37(5):331-342. 

  • ​​Vorster C, Samways MJ, Simaika JP, Clausnitzer V, Suhling F, Dijkstra KDB (2020). Development of a new continental-scale index for freshwater assessment based on dragonfly assemblages. Ecological Indicators 109: 105819.

  • White VG, Hardie AG, Raath PJ (2020). Relationships between commonly-used South African and international soil phosphorus extraction tests on pristine and cultivated soils. South African Journal of Plant and Soil 37(4):265-272. 

  • Wiener KD, Simaika JP, Grenfell SE, Jacobs SM (2020). Effects of invasive N2-fixing Acacia mearnsii on sediment nutrient concentrations in mountain streams: Implications of sediment geochemistry for ecosystem recovery. Catena 195: 104786.

2019

  • ​​​Adenyiyi SA, de Clercq WP, van Niekerk A. (2019). Assessing the relationship between soil quality parameters of Nigerian alfisols and cocoa yield​. Agroforestry Systems 93: 1235-1250.

  • Boostani HR, Najafi-​Ghiri M, Hardie AG. (2019). Effect of plant residue biochars on the kinetics, isotherms and thermodynamic parameters of nickel adsorption onto a highly calcareous s​oil. Archives of Agronomy and Soil Science 65: 360-373. DOI: 10.1080/03650340.2018.1503651.​

  • Boostani HR, Najafi-Ghiri M, Hardie AG, Khalili D. (2019). Comparison of Pb stabilization in contaminated calcareous soil by application of vermicompost and sheep manure and their biochars produced at two temperatures. Applied Geochemistry 102: 121-128. DOI: 10.1016/j.apgeochem.2019.01.013​

  • Clarke CE, Stone W, Hardie AG, Quinton JN, Blake LI, Johnson KL. (2019). Better together: Water treatment residual and poor quality compost improves sandy soil fertility. Journal of Enviromental Quality 48: 1781-1788.

  • Flynn T, de Clercq WP, Rozanov, AB, Clarke CE. (2019). ​High-resolution digital soil mapping of multiple soil properties: an alternative to the traditional field survey?​ SA Journal of Plant and Soil 36: 237-247.

  • Flynn T, de Clercq WP, Rozanov AB, Clarke CE. (2019). Semi-automatic disaggregation of a national resource inventory into a farm-scale soil depth class map. Geoderma 337: 1136-1145.

  • Flynn T, van Zijl GM, van Tol JJ, Botha C, Rozanov AB, Warr BJ and Clarke CE. (2019). Comparing algoalgorithms to disaggregate complex soil polygons in contrasting environments​. Geoderma 352: 171-180.

  • ​Le Roux SG, du Plessis A, Clarke CE. (2019). MicroCT-based bulk denisty measurement method for soils​. Civil Engineering 61: 2-9.

  • Mashimbye ZE, de Clercq WP, van Niekerk A. (2019). Assessing the influence of DEM source on derived streamline and catchment boundary accuracy​. Water SA 45: 672-684.

  • Mills A, de Wet R. (2019). Quantifying a sponge: The additional water in restored thicket. SA Journal of Science 115: 1-2.

  • Mulidzi AR, Clarke CE, Myburgh PA. (2019). Response of soil chemical properties to irrigation with winery wastewater on a well-drained sandy soil. SA Journal of Enology and Viticulture 40: 1-12.

  • ​Watson A, Miller JA, Fink M, Kralisch S, de Clercq WP (2019). Distributive rainfall–runoff modelling to understand runoff-to-baseflow proportioning and its impact on the determination of reserve requirements of the Verlorenvlei estuarine lake, west coast, South Africa​. Hydrology and Earth System Sciences 23: 2679-2697.

20​18​

  • Boostani HR, Hardie AG, Najafi-Ghiri M, Khalili D. (2018). Investigation of cadmium immobilization in a contaminated calcareous soil as influenced by biochars and natural zeolite application. International Journal of Environmental Science and Technology 15: 2433-2446. DOI: 10.1007/s13762-017-1544-3.

  • Cullis C, Rossouw N, du Toit G, Petri D, Wolfaardt GM, de Clercq WP, Horn AM. (2018). Economic risks due to declining water quality in the Breede River catchment. Water SA 44: 464-473.

  • Howell CL, Myburgh PA, Lategan EL, Hoffman JE. (2018). Effect of irrgation using diluted winery wastewater on the chemical status of a sandy alluvial soil with particular reference to potassium and sodium. South African Journal of Enology and Viticulture 39: 284-296.

  • Johnson KL, McCann CM, Wilkinson JL, Jones M, Tebo BM, West M, Elgy C, Clarke CE, Gowdy C, Hudson-Edwards KA. (2018). Dissolved Mn(III) in water treatment works: Prevalence and significance​. Water Research 140: ​181-190.​

  • Mills A, Allen JL. (2018). Searching for David within the Goliath of aliend woody plant invasions in the Western Cape Province. South African Journal of Science 114: 285.

  • Mills A, Hunter R. (2018). Restoration of wetlands on the Augulhas Plain is unlikely to generate peat. South African Journal of Science 114: 252.

  • Mills A, Milton S, Taplin BD, Allen JL. (2018). Viability of watering Portulacaria afra truncheons to faciliate restoration of subtropical thicket: Results from a nursery experiment and cost model. South African Journal of Botany 115: 58-64.

  • Mills A, Sirami C. (2018). Nutrient enrichment of ecosystems by fungus-growing versus non-fungus-growing termites. Journal of Tropical Ecology 10: 1017.

  • Mulidzi AR, Clarke CE, Myburgh PA (2018). Annual dynamics of winery wastewater volumes and quality and the impact of disposal on poorly drained duplex soils. South African Journal for Enology and Viticulture 39: 305-314.

  • Rossouw CJ, Fourie PH, van Zyl JG, Hoffman JE, McLeod A. (2018). Rainfastness of mancozeb on apple seedlings determined through deposition quantification of mancozeb residue and a fluorescent pigment. Crop Protection 106: 93-102.

  • Simaika JP, Samways MJ, Vrdoljak SM. (2018). Species turnover in plants does not predict turnover in flower-visiting insects. PeerJ 6: e6139.

  • Simaika JP, Samways MJ. Insect conservation psychology. Journal of Insect Conservation 22: 635-642.

  • Smith JFN, Botha A, Hardie, A.G. (2018). The role of soil quality in yield declines of rooibos tea (Aspalathus linearis) in Clanwilliam region, South Africa. Soil Research 56: 252-263. DOI: 10.1071/SR17029​

  • Thomas R, Reed M, Clifton K, Appadurai N, Mills A, Zucca C, Kodsi E, Sirely J. et al. (2018). A framework for scaling sustainable land management options. Land Degradation and Development 29: 3272-3284.

2017

  • Eren E, Harrison I, Dud​​geon D, Abell R, Bush A, Darwall W, Finlayson CM, Ferrier S, Simaika JP, et al. (2017). Essential biodiversity variables for measuring change in global freshwater biodiversity. Biological Conservation 213: 272-279.

  • Mander M, Jewitt GPW, Dini J, Glenday J, Blignaut J, Hughes C, Marais C, Maze K, van der Waal B, Mills A. (2017). Modelling potential hydrological returns from investing in ecological infrastructure: case studies from the Baviaanskloof-Tsitsikamma and uMgeni catchments, South Africa. Ecosystem Services 27:261-271.

  • Mills A, Milewski AV, Snyman D, Jordaan JJ. (2017). Effects of anabolic and catabolic nutriets on woody plant encroachment after long-term experimental fertilization in a South African savanna. PLoS One 12: e0179848.​

  • Mills A. (2017). Survivourship of spekboom (Portulacaria afra) planted within the subtropical Thicket Restoration Programme. South African Journal of Science 113: a0196.​

  • Miller JA, Dunford AJ, Swana KA, Palcsu L, Butler M, Clarke CE (2017). Stable isotope and noble gas constraints on the source and residence time of spring water from the Table Mountain Group Aquifer, Paarl, South Africa and implications for large scale abstraction. Journal of Hydrology 551:100-115. 

  • Rozanov AB, Lessovaia S, Louw G, de Clercq WP. (2017). Soil clay mineralogy as a key to understanding planation and formation of fluvial terraces in the South African Lowveld. Catena 156: 375-382.

  • Sigidi NT, Miller J, Watson A, Clarke CE​, Butler M. (2017). Geochemical and isotopic tracing of salt loads into the Ramsar listed Verlorenvlei Esturine Lake, South Africa. Procedia Earth and Planetary Science 17:909-912.

  • Schmeller DS, Bohm M, Arvantidis C, Barber-Meyer S, Brummitt N, Chandler M, Chatzinikolaou E, Costello MJ, Simaika JP. (2017). Building capacity in biodiversity monitoring at the global scale. Biodiversity and Conservation 26: 2765-2790.​

2016

  • Andreoli, M.A.G, Clarke, C.E., Cloete, M., Evans, M., Harris, C, Logue, A., Majodina, O., McCarthy, T., Netterberg, F., Stengel, I., van Rooy, L. and Woodborne, S.. 8 m deep palaeosols exposed at Vaalputs, Namaqualand, South Africa: unique windows to Late Cenozoic palaeoclimates and pedogenic processes. Quaternary International 404:194.

  • Bekker, S.J., Hoffman, J.E., Jacobs, S.M., Strever, A.E., and van Zyl, J.L. (2016). Ecophysiology, Vigour, Berry and Wine Characteristics of Grapevines Growing on and off Heuweltjies. South African Journal for Enology and Viticulture 37.

  • Clarke, C.E., Majodina, T.O., du Plessis, A. and Andreoli, M. (2016). The use of X-ray tomography in defining the spatial distribution of barite in the fluvially derived palaeosols of Vaalputs, Northern Cape Province, South Africa. Geoderma 267:48-57.

  • Howell, C.L., Myburgh, P.A., Lategan, E.L.. Schoeman, C. and Hoffman, J.E. (2016). Effect of Irrigation using Diluted Winery Watewater on Vitis vinifera L. cv. Cabernet Sauvignon in a Sandy Alluvial Soil in the Breede River Valley - Vegetative Growth, Yield and Wine Quality. South African Journal for Enology and Viticulture 37:211-225.

  • Howell, C.L., Myburgh, P.A., Lategan, E.L.. and Hoffman, J.E. (2016). Seasonal Variation in Composition of Winery Wastewater in the Breede River Valley with Respect to Classical Water Quality Parameters. South African Journal for Enology and Viticulture 37:31-38.

  • Mavengahama, S., De Clercq, W.P. & McLachlan, M. (2016). Effect of soil amendments on yield of wild okra (Chrchorus olitorius) in northern KwaZulu-Natal, South Africa. South African Journal of Plant and Soil

  • Mulidzi, A.R., Clarke, C.E., and Myburgh, P.A. (2016). Design of a pot experiment to study the effect of irrigation with diluted winery watewater on four differently textured soils. Water SA 42: 20-24.

  • Mulidzi, A.R., Clarke, C.E., and Myburgh, P.A. (2016). Effect of Irrigation with Diluted Winery Watewater on Phosphorus in Four Differently Textured Soils.South African Journal for Enology and Viticulture 37:79-84.

  • Simaika, J.P., Samways, M.J. & Frenzel, P.P. (2016). Artificial ponds increase local dragonfly diversity in a global biodiversity hotspot. Biodiversisty and Conservation. 25: 1921-1935.

  • Wiese, L., Ros, I., Rozanov, A, Boshoff, A., de Clercq, W.P. and Seifert, T. (2016). An approach to soil accounting an dmapping using vertical distribution functions for known soil types. Geoderma 263: 264-273.

2015

  • Bugan, R.D.H., Jovanovic, N.Z. and de Clercq, W.P. (2015). Quantifying the catchment salt balance: An important component of salinity assessments. South African Journal of Science 111: 1-8.

  • Howell, C.L., Myburgh, P.A., Lategan, E.L.. and Hoffman, J.E. (2015). An assessment of wintery wastwater diluted for irrigation of grapevines in the Breede River Valley with respect ot water quality and nutrient load. South African Journal for Enology and Viticulture 36: 413-425.

  • Milewski, A.V. and Mills, A.J. (2015). Why was the Highveld treeless? Looking laterally to the Pampas for global edaphic principles beyond biogeographical accidents. South African Journal of Botany 101: 98-106.

  • Mills, A.J.,van der Vyver, M., Gordon, I.J., Patwardhan, A., Marais, C., Blignaut, J., Siwela, A. and Kgope, B. (2015). Prescribing innovation within a large-scale restoration programme in degraded subtropical thicket in South Africa 6: 4328-4348.

  • Mulidzi, A.R., Clarke, C.E. and Myburgh, P.A. (2015). Effect of irrigation with diluted winery wastewater on cation and pH in four differently tetured soils. South African Journal for Enology and Viticulture 36: 402-412.

  • Myburgh, P.A., Lategan, E.L. and Howell, C.L. (2015). Infrastructure for irrigation of grapevines with diluted winery watewater in a field experiment. Water SA 41: 643.

  • Paterson, G., Turner, D., Wiese, L., van Zijl, G., Clarke, C.E., and van Tol, J. (2015). Spatial soil information in South Africa: Situational analysis, limitations and challenges. South African Journal of Science 11 (5/6): 1-7.

  • Steudel, T., Bugan, R., Kipka, H., Pfennig, B., Fink, M., de Clercq, W.P., Flugel, W.A. and Helmschrot, J. (2015). Implementing contour bank farming practices into the J2000 model to improve hydrological and erosion modelling in semi-arid Western Cape Province of South Africa. Hydrology Research 46: 192-211.

2​014​

  • Clarke, C.E., Le Roux, S.G. & Roychoudhury, A.N. (2014). The role of evaporation on the formation of secondary Cu-hydroxy minerals in the arid Namaqualand soil system of South Africa. Applied Geochemistry 47: 52-60.

  • Mashimbye, Z.E., De Clercq, W.P. & Van Niekerk, A. (2014). An evaluation of digital elevation models (DEMs) for delineating land components. Geoderma  213: 312 - 319.  ​

  • Mavengahama, S., De Clercq, W.P. & McLachlan, M. (2014). Trace element composition of two wild vegetables in response to soil-applied micronutrients. South African Journal of Science 110: 1-5.

  • Mills, A.J., Birch, S.C., Stanway, R., Huyser, O., Chrisholm, R.A., Sirami & Spear, D.. (2014). Sequestering carbon and restoring renosterveld through fallowing: a practical conservation approach for the Overberg, Cape Floristic Region, South Africa. Conservation Letters 6: 253-266.

  • Mills, A.J. & Cowling, R.M. (2014). How fast can carbon be sequestered when restoring degraded subtropical thicket? Restoration Ecology 22: 571-573.

  • Mills, A.J., Spear, D., Ndhlovu, Knight, M.H, Peinke, D.M., & Hofmeyer, S.G. (2014). Biomass of large herbivores in South African tropical thickets. African Journal of Ecology 0: 1-4.

  • Seymour, C.L., Milewski, A.V., Mills, A.J., Joseph, G.S., Cumming, G.S., Cumming, D.H.M.& Mahlangu, Z. (2014). Do the large termite mounds of Macrotermes concentrate micronutrients in addition to macronutrients in nutrient-poor African savannas? Soil Biology and Biochemistry  68: 95 - 105.  

  • ​Sika, M.P. & Hardie, A.G. (2014). Effect of pine wood biochar on ammonium nitrate leaching and availability in a South Africa​​n sandy soil. European Journal of Soil Science 65: 113-​119.

  • van Zijl, G.M., Ellis, F.E. and Rozanov, A. (2014). Understanding the combined effect of soil properties on gully erosion using quantile regression​. South African Journal of Plant and Soil 31: 163-172.

2​​​​013​​

  • ​Clarke, C.E., Kielar, F. & Johnson, K.L. (2013). The oxidation of acid azo dye AY 36 by a manganese oxide containing mine waste. Journal of Hazardous Materials 246-247: 310-318.

  • Mavengahama, S., McLachlan, M. & de Clercq, W. (2013). The role of wild vegetable species in household food security in maize based subsistence cropping systems. Food Security  5: 227 - 233​.

  • Mills, A.J., Birch, S.-J.C., Stanway, R., Huyser, O., Chisholm, R.A., Sirami, C. and Spear, D. (2013). Sequestering carbon and restoring renosterveld through fallowing: a practical conservation approach for the Overberg, Cape Floristic Region, South Africa. Conservation Letters  6: 255 - 263.  ​

  • Mills, A.J., Milewski, A.V., Rogers, K.H., Witkowski, E.T.F.  & Stalmans, M. (2013). Boundary of treeless grassland in relation to nutrient content of soils on the Highveld of South Africa. Geoderma  200-201: 165 - 171. ​

  • Mills, A.J., Milewski, A.V., Fey, M.V., Rogers, K.H., Witkowski, E.T.F., Gillson, L., Gröngröft, A., Petersen, A., Stalmans, M., Sirami, C., Steyn, D. & Mager, D.M. (2013). Constraint on woody cover in relation to nutrient content of soils in western southern Africa. Oikos 122: 136-148.

  • van der Vyver, M.L., Cowling, R.M., Mills, A.J. & Difford, M. (2013). Spontaneous return of biodiversity in restored subtropical thicket: Portulacaria afra as an ecosystem engineer. Restoration Ecology  21: 736 - 744​.​

  • van Zijl, G.M., Ellis, F.E. and Rozanov, A. (2013).  Emphasising the soil factor in geomorphological studies of gully erosion: a case study in Maphutseng, Lesotho​. ​South African Geographical Journal​ 95: 205-216.​

2​​012​

  • ​Bugan, R.D.H., Jovanovic, N.Z. and de Clercq, W.P. (2012). The water balance of a seasonal stream in the semi-arid Western Cape (South Africa). Water SA 38: 201-212.

  • Carrier, M., Hardie, A.G., Uras, U., Görgens, J and Knoetze, J. (2012). Production of char from vacuum pyrolysis of South-African sugar cane bagasse and its characterization as activated carbon and biochar. Journal of Analytical and Applied Pyrolysis 96: 24-32.

  • Clarke, C.E., Tourney, J. and Johnson, K. (2012). Oxidation of anthracene using waste Mn oxide minerals: The importance of wetting and drying sequences. Journal of Hazardous Materials 205-206: 126-130.

  • Francis, M.L., Ellis, F., Lambrechts, J.J.N and Poch, R.M. (2012) A micromorphological view through a Namaqualand termitaria (Heuweltjie, a Mima-like mound). Catena 100: 57-53.

  • Francis, M.L., Ellis, F., Fey, M.V., Poch, R.M. (2012). Petroduric and 'petrosepiolitic' horizons in soils of Namaqualand, South Africa. Spanish Journal of Soil Science 2: 1-18.

  • Kaseke, K.F., Mills, A.J., Brown, R., Esler, K.  Henschel, J. and Seely, M.K. (2012). A method for direct assessment of the "non rainfall" atmospheric water cycle: Input and evaporation from the soil. Pure and Applied Geophysics 169: 847-857.

  • Kaseke, K.F., Mills, A.J., Henschel, J., Seely, M.K., Esler, K. and Brown, R. (2012). The effects of desert pavements (gravel mulch) on soil micro-hydrology. Pure and Applied Geophysics 169: 873-880.

  • Mashimbye, Z.E., Cho, M.A., Nell, J.P., De Clercq, W.P., Van Niekerk, A. & Turner, D.P. (2012). Model-based integrated methods for quantitative estimation of soil salinity from hyperspectral remote sensing data: A case study of selected South African soils. Pedosphere 22: 640-649.

  • Mills, A.J., Birch, S.C., Stephenson, J.D., & Bailey, R.V. (2012). Carbon stocks in fynbos, pastures and vineyards on the Agulhas Plain, South Africa: a preliminary assessment. South African Journal of Plant and Soil 29:  191-193.

  • Mills, A.J., Milewski, A.V., Sirami, C., Rogers, K.H., Witkowski, E.T.F., Stalmans, M. and Fey, M.V. (2012). Aerosol capture by small trees in savannas marginal to treeless grassland in South Africa. Geoderma 189: 124-132.

  • Uras, U., Carrier, M., Hardie, A.G. & Knoetze, J. (2012). Physico-chemical characterization of biochars from vacuum pyrolysis of South African agricultural wastes for application as soil amendments. Journal of Analytical and Applied Pyrolysis 98: 207-213.​

20​​11

  • Cowling, R.M. and Mills, A.J. (2011). A preliminary assessment of rain throughfall beneath Portulacaria afra canopy in subtropical thicket and its implications for soil carbon stocks. South African Journal of Botany 77: 236-240.

  • Dovey, S.B., Du Toit, B. and De Clercq W.P. (2011). Nutrient fluxes in rainfall, throughfall and stemflow in Eucalyptus stands on the Zululand coastal plain, South Africa. Southern Forests: A Journal of Forest Science (Southern Hemisphere Forestry Journal) 73: 193-206.

  • Dovey, S.B, De Clercq W.P. and Du Toit, B. (2011). A comparison of soil moisture relations between standing and clearfelled plots with burnt and unburnt harvest residue treatments of a clonal eucalypt plantation on the Zululand Coastal Plain, South Africa. Water SA 37: 483-494.

  • Hardwick, K.A., Fiedler, P., Lee, L.C. , Pavlik, B., Hobbs, R.J., Aronson, J., Bidartondo, M., Black, E., Coates, D., Daws, M.I. and Mills A.J. (2011). The Role of Botanic Gardens in the Science and Practice of Ecological Restoration. Conservation Biology 25: 265-275.

  • Jovanocic N.Z., Jarmain C., De Clercq W.P., Vermeulen, T. and Fey M.V. (2011). Total evaporation estimates from a Renosterveld and dryland wheat/fallow surface at the Voëlvlei Nature Reserve (South Africa). Water SA 37: 471-482.

  • Lewu, F.B. and Mavengahama, S. (2011). Utililization of wild vegetables in four districs of northen KwaZulu-Natal Province, South Africa. African Journal of Agricultural Research 6: 4159-4165.

  • Mapanda, F. and Mavengahama, S. (2011). Assessment of selected soil nutrients and irrigation water quality in the dryland area of Chivi District, Zimbabwe. Scientific Research and Essays 6: 2918-2927.

  • Mills, A.J., Cowling, R.M., Steyn, D., Spekreijse, J., Van den Broek, D., Weel, S., and Boogerd, C. (2011). Portulacaria afra is constrained under extreme soil conditions in the Fish River Reserve, Eastern Cape, South Africa. South African Journal of Botany 277: 782-786.

  • Mills, A.J., Fey, M.V., Kgope, B., Donaldson, J. and Bosenberg, D.W. (2011). Detecting the onset of rangeland degradation using soil respiration and boundary lines: preliminary findings from the Nama Karoo. African Journal of Range and Forage Science 28: 87-92.

  • Van Rensburg L.D., De Clercq W.P., Barnard J.H. and Du Preez C.C. (2011). Salinity guidelines for irrigation: Case studies from Water Research Commission projects along the Lower Vaal, Riet, Berg and Breede Rivers. Water SA 37: 739-750.

  • Zedda, L., Gröngröft, A., Schultz, M., Petersen, A., Mills, A., Rambold G. (2011). Distribution patterns of soil lichens across the principal biomes of southern Africa. Journal of Arid Environments 75: 215-220.​

20​​10

  • Medinski, T.V., Mills, A.J., Esler, K.J.,Schmiedel, U.and Jürgens, N. (2010). Do soil properties constrain species richness? Insights from boundary line analysis across several biomes in south western Africa. Journal of Arid Environments 74: 1052-1060.

  • Milewski, A.V. & Mills, A.J. (2010). Does life consistently maximise energy intensity? Biological Reviews. 85:859-879.

  • Mills, A.J. and Cowling, R.M. (2010). Below-ground carbon stocks in intact and transformed subtropical thicket landscapes in semi-arid South Africa. Journal of Arid Environments. 74: 93-100.

  • Owojori, O.J., Reinecke, A.J. and Rozanov, A.B. (2010). Influence of clay content on bioavailability of copper in the earthworm Eisenia fetida. Ecotoxicology and Environmental Safety 73: 407-417.

  • Stephenson, J.D., Mills, A., Eksteen, J.J.,Milewski, A.V. and Myburgh, J.G. (2010). Geochemistry of mineral licks at Loskop Dam Nature Reserve, Mpumalanga, South Africa. Environmental Geochemistry and Health. DOI 10.1007/s10653-010-9313-y​

2​009

  • De Clercq, W.P., Van Meirvenne, M., Fey, M.V. (2009).  Prediction of the depth trend in soil salinity of a vineyard after sustained irrigation with saline water. Agricultural Water Management 96: 395-404.

  • ​Fox, S.C., Mills, A.J. and Poch, R.M. (2009). Micromorphology of surface crusts in the Knersvlakte, South Africa. Journal of Mountain Science 6: 189-196.

  • Hardie, A.G., J.J. Dynes, L.M. Kozak and P.M. Huang (2009). Biomolecule-induced carbonate genesis in abiotic formation of humic substances in nature. Canadian Journal of Soil Science 89: 445-453.

  • Hardie, A.G., J.J. Dynes, L.M. Kozak and P.M. Huang (2009). The role of glucose in abiotic humification pathways as catalyzed by birnessite. Journal of Molecular Catalysis A. Chemical 308: 114-126.

  • Israel, S., Engelbrech, P., Tredoux, G. and Fey, M.V. (2009). In situ batch denitrification of nitrate-rich groundwater using sawdust as a carbon source, Marydale, South Africa. Water Air and Soil Pollution 204: 177-194.

  • Jovanovic, N.Z., Hon, A., Israel, S., le Maitre, D., Rusinga, F., Soltau, L., Tredoux, G., Fey, M.V., Rozanov, A.B. and van der Merwe, N. (2009).  Nitrogen dynamics in land cleared of alien vegetation (Acacia saligna) and impacts on groundwater at Riverlands Nature Reserve (Western Cape, South Africa). Water SA 35: 37-44.

  • Medinski, T.V., Mills, A.J. and Fey, M.V. (2009). Infiltrability in soils from south-western Africa: effects of texture, electrical conductivity and exchangeable sodium percentage. South African Journal of Plant and Soil 26:157-163.

  • Medinski, T.V., Mills, A.J. and Fey, M.V. (2009). Relationships between soil particle size fractions and infiltrability. South African Journal of Plant and Soil 26:147-156.

  • Mills, A.J., Fey, M.V., Donaldson, J., Todd, S. and Theron, L. (2009). Soil infiltrability as a driver of plant cover and species richness in the semi-arid Karoo, South Africa. Plant and Soil 320: 321-332.

  • Mills, A.J., Milewski, A., Fey, M.V., Groengroeft, A. and Peterson, A. (2009). Fungus culturing, nutrient mining and geophagy: a geochemical investigation of Macrotermes and Trinervitermes mounds in southern Africa. Journal of Zoology 278: 24-35.

  • Owojori, O.J., Reinecke, A.J. and Rozanov, A.B. (2009). Role of clay content in partitioning, uptake and toxicity of zinc in the earthworm Eisenia fetida. Ecotoxicology and Environmental Safety 72: 99-107.

  • Owojori, O.J., Reinecke, A.J. and Rozanov, A.B. (2009). The combined stress effects of salinity and copper on the earthworm Eisenia fetida. Applied Soil Ecology 41: 277-285.

  • Sigwela, A., Cowling, R., Kerley, G and Mills, A.J. (2009).  The impact of browsing-induced degradation on the reproduction of subtropical thicket canopy shrubs and trees. South African Journal of Botany 75: 262-267.

  • Sako, A., Mills, A.J. and Roychoudhury, A.N. (2009). Rare earth and trace element geochemistry of termite mounds in central and northeastern Namibia: Mechanisms for micro-nutrient accumulation. Geoderma 153: 217-230.​

2​​008

  • ​Brown, R., Mills, A.J. and Jack, C. (2008).  Non-rainfall moisture inputs in the Knersvlakte: Methodology and preliminary findings. Water SA 34: 275-278.

  • ​Lechmere-Oertel R.G., Kerley, G.I.H., Mills, A.J. and Cowling, R.M. (2008).  Litter dynamics across browsing-induced fenceline contrasts in succulent thicket, South Africa. South African Journal of Botany 74: 651–659.

  • Owojori, O.J., Reinecke, A.J. and  Rozanov, A.B. (2008). Effects of salinity on partitioning, uptake and toxicity of zinc in the earthworm Eisenia fetida. Soil Biology and Biochemistry 40: 2385–2393.​

20​​07

  • ​Dowding C., Fey, M.V. (2007). Morphological, chemical and mineralogical properties of some manganese-rich oxisols derived from dolomite in Mpumalanga province, South Africa. Geoderma 141: 23-33.

  • Francis M.L., Fey M.V.,  Prinsloo H.P., Ellis F., Mills A.J., de Clercq W.P., Sinjan E. and Medinski T.V. (2007). Soils of Namaqualand: compensations for aridity. Journal of Arid Environments 70: 588-603. 

  • García-Quijano, J.F.,  Peters, J., Cockx, L., van Wyk, G., Rosanov, A., Deckmyn, G., Ceulemans, R., Ward, S.M.,  Holden, N.M,  Van Orshoven, J., Muys, B. (2007). Carbon sequestration and environmental effects of afforestation with Pinus radiata D. Don in the Western Cape, South Africa​. ​Climate Change 83: 323-355.

  • Gindaba, J. Rozanov, A. and Negash, L. (2007). Depletion of nutrients in adjacent crop lands by Eucalyptus camaldulensis. South African Journal of Plant and Soil 24: 47-50.

  • Mills A.J. and Milewski A.V. (2007). Geophagy and micronutrient supplementation in the Ngorongoro Conservation Area, Tanzania, with particular reference to selenium, cobalt, and molybdenum. Journal of Zoology 271: 110-118.

  • Milton, S.J., Dean, W.R.J. O’Connor, T.G. and Mills, A.J. (2007). Scaling up from site-based research to a national research and monitoring network: lessons from Tierberg Karoo Research Centre and other design considerations. South African Journal of Science 103: 311–317.

  • Turpie, J.K., O'Connor, T.G., Mills, A.J. & Robertson, H. (2007). The ecological and economic consequences of changing land use in the southern Drakensberg grasslands. South African Journal of Economic and Management Sciences 10: 423-441.​

2​​006

  • De Clercq, W.P.and Van Meirvenne, M. (2006). Regional sustainability in table grape production on saline soils. South African Journal of Plant and Soil 23: 113-119. 

  • Fey, M.V., Mills, A.J. and Yaalon, D.H. (2006). The alternative meaning of pedoderm and its use for soil surface characterisation. Geoderma 133: 474-477.

  • García-Quijano, J.F.,  Peters, J.,  Cockx, L., van Wyk, G., Rozanov, A., Deckmyn, G., Ceulemans, R., Ward, S.M., Holden, N.M., Van Orshoven, J. and Muys, B. (2006). Carbon sequestration and environmental effects of afforestation with Pinus radiata D. Don in the Western Cape, South Africa. Climatic Change 83: 323-355.

  • Mills, A.J. (2006). The role of salinity and sodicity in the dieback of Acacia xanthophloea in Ngorongoro Caldera, Tanzania. African Journal of Ecology 44: 61-71.

  • Mills, A.J., and Cowling, R.M. (2006). Rate of carbon sequestration at two thicket restoration sites in the Eastern Cape, South Africa.  Restoration Ecology 14: 38-49.

  • Mills, A.J., Fey, M.V., Grongroft, A., Petersen, A. and Medinski, T.V. 2006. Unravelling the effects of soil properties on water infiltration: segmented quantile regression on a large data set from arid south-west Africa. Australian Journal of Soil Research 44: 783-797.

  • Mills, A.J., Morkel, P., Amiyo, A., Runyoro, V., Borner, M. and Thirgood, S. (2006). Managing small populations in practice: black rhino in the Ngorongoro Crater, Tanzania. Oryx 40: 319-323.

  • Mills A.J., Rogers K.H., Stalmans M. and Witkowski E.T.F. (2006). A framework for the scaled exploration of the determinants of savanna and grassland distribution: a challenge for the new generation of ecologists. Bioscience 56: 579-589.

  • Ndala, S.M., Scholes, M.C. and Fey, M.V. (2006). Soil properties and processes driving the leaching of nitrate in the forested catchements of the eastern escarpment of South Africa. Forest Ecology and Management 236: 142-152.

​2005

  • De Clercq, W.P. and Van Meirvenne, M. (2005). Effect of long term irrigation application on the variation of soil electrical conductivity in vineyards. Geoderma 128: 221-233.

  • Dowding, C., Borda, M.J., Fey, M.V. and Sparks, D.L. (2005). A new method for gaining insight into the chemistry of drying mineral surfaces using ATR-FTIR. Journal of Colloid and Interface Science 292: 148-151.

  • Gindaba, J., Rozanov, A. and Negash, L. (2005). Photosynthetic gas exchange, growth and biomass allocation of two Eucalyptus and three indigenous tree species of Ethiopia under moisture deficit. Forest Ecology and Management 205: 127-138.

  • Gindaba, J., Rozanov, A. and Negash, L. (2005). Trees on farms and their contribution to soil fertility parameters in Badessa, eastern Ethiopia. Biology and Fertility of Soils 42: 66-71.

  • Herselman, E., Steyn, C.E. and Fey, M.V. (2005). Baseline concentration of Cd, Co, Cr, Cu, Pb, Ni and Zn in surface soils of South Africa. South African Journal of Science 101: 509-512.

  • Mills, A.J., Cowling, R.M., Fey, M.V., Kerley G.I.H., Donaldson J.S., Lechmere-Oertel, R.G., Sigwela, A.M., Skowno, A.L. and Rundel, P. (2005). Effects of goat pastoralism on ecosystem carbon storage in semi-arid thicket, Eastern Cape, South Africa. Australian Ecology 30: 797-804.

  • Mills, A.J. and Fey, M.V. (2005). Interactive response of herbivores, soils and vegetation to annual burning in a South African savanna.  Australian Ecology 30: 435-444.

  • Mills, A.J., O’Connor, T.G., Donaldson J.S., Fey, M.V., Skowno, A.L., Sigwela, A.M., Lechmere-Oertel, R.G. Bosenberg, J.D. (2005). Ecosystem carbon storage under different land uses in three semi-arid shrublands and a mesic grassland in South Africa. South African Journal of Plant and Soil 22: 183-190.

  • Mills, A.J., Fey, M.V. and Johnson, C.E. (2005). Ionic strength as a measure of sulphate salinity stress: effects of sodium sulphate, sodium chloride and manganese sulphate on kikuyu (Pennisetum clandestinum) growth and ion uptake.  South African Journal of Plant and Soil 21: 209-213.

20​​04

  • Fey M.V. and Manson A.D. (2004). Soil chemistry in South Africa: a quarter century of progress and prospects for the future.  South African Journal of Plant and Soil 21: 278-287.

  • Gindaba, J., Rozanov, A. and Negash, L. (2004).  Response of seedlings of two Eucalyptus and three deciduous tree species from Ethiopia to severe water stress. Forest Ecology and Management 201: 119–129.

  • Hoffman, J.E. (2004). Besproeiingskedulering gedurende tye van watertekorte. SA Vrugte Joernaal 3: 58-60.

  • Mills, A.J. and Fey, M.V. (2004).  A simple laboratory infiltration method for measuring the tendency of soils to crust. Soil Use and Management 20: 8 -12. 

  • Mills, A.J. and Fey, M.V. (2004).  Effects of vegetation cover on the tendency of soil to crust in South Africa.  Soil Use and Management 20: 308-317.

  • Mills, A.J. and Fey, M.V. (2004). Frequent fires intensify soil crusting: physicochemical feedback in the pedoderm of long-term burn experiments in South Africa. Geoderma 121: 45-64.

  • Mills, A.J. and Fey, M.V. (2004).  Soil carbon and nitrogen in five contrasting biomes of South Africa.  South African Journal of Plant and Soil 21: 94-103.

  • Mills, A.J. and Fey, M.V. (2004).  Transformation of thicket to savanna reduces soil quality in the Eastern Cape, South Africa.  Plant and Soil 265: 153-163.

  • Mills, A.J., Fey, M.V. and Johnson, C.E. (2004).  Ionic strength as a measure of sulphate salinity stress: effects of sodium sulphate, sodium chloride and manganese sulphate on kikuyu (Pennisetum clandestinum) growth and ion uptake.  South African Journal of Plant and Soil 21: 209-213.

  • O’Connor, T.G., Uys, R.G. and Mills, A.J. (2004). Ecological effects of firebreaks in the montane grasslands of the southern Drakensberg, South Africa.  African Journal of Range and Forage Science 21: 1-10.​

20​​03

  • Beukes, P.C. and Ellis, F. (2003). Soil and vegetation changes across a Succulent Karoo grazing gradient. African Journal of Range & Forage Science 20: 11-19.

  • Mills, A.J. and Fey, M.V. (2003).  Declining soil quality in South Africa: effects of land use on soil organic matter and surface crusting.  South African Journal of Science 99: 429-436.

Book​s​

2019

  • ​Van Zyl, JL and Hoffman J​E. (2019). Soil preparation for sustainable wine and table grape vineyards. Winetech & SATGI, Paarl, South Africa.

201​​0

  • Fey, M.V.(Author), Hughes, J. (Contributor), Lambrechts, J.J.N. (Contributor), Milewski, A. (Contributor), and Mills, A.J.(Contributor) (2010). Soils of South Africa. Cambridge University Press, UK. (ISBN 978-1107000506).

Book Chapte​​rs

2020

  • Ekosse Gi, Chistyakov Kv, Rozanov Ab, Bashkirova NN, Dultz S, Polekhovsky YS, Lessovaia SN (2020). Landscape settings and mineralogy of some geophagic clay occurrences in South Africa. In: Frank-Kamenetskaya OV, Vlasov D, Panova EG, Lessovaia SN (eds.) Lecture Notes in Earth System Sciences: Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature, Springer International Publishing, 785-801.​
  • Olivier CF, Belford IL, Moller L, Rozanov AB, Botha A, Hardie AG (2020). Macroscopic observation of biotic-abiotic interactions in biochar layers within a sandy soil in a pot trial with wheat triticum aestivum. In: Frank-Kamenetskaya OV, Vlasov D, Panova EG, Lessovaia SN (eds.) Lecture Notes in Earth System Sciences: Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature, Springer International Publishing, 383-394. 
  • Umeugochukwu OP, Rozanov AB, Hardie AG (2020). Assessment of biochar potential to neutralize the effect of olive mill wastewater on plant growth in alkaline sand. In: Frank-In: Frank-Kamenetskaya OV, Vlasov D, Panova EG, Lessovaia SN (eds.) Lecture Notes in Earth System Sciences: Processes and Phenomena on the Boundary Between Biogenic and Abiogenic Nature, Springer International Publishing 263-379.​
  • Wilson JR, Foxcroft LC, Geerts S, Hoffman M, MacFayden S, Measey GJ, Mills A, Richardson DM, Robertson MP, Van Wilgen BW. (2020). The role of environmental factors in promoting and limiting biological invasions in South Africa. In: Van Wilgen BW, Richardson, Zengeya T, Measy GJ, Wilson JR (eds.) Biological Invasions in South Africa, Springer, Cham, Switzerland. 355-385. 

2017

  • Johnson, K., McCann CM, Clarke CE. (2017). Breakdown of organic contaminants in soil by manganese oxides: a short review. In: Hudson-Edwards KA (ed.) Redox-reactive minerals: Properties,  reactions and applications in natural systems and clean technologies. European Mineralogical Union, London, UK. pp 315-355.

2​011 

  • Huang, P.M. and A.G. Hardie. (2011). Role of abiotic catalysis in the transformation of organics, metals, metalloids, and other inorganics. In: Huang, P.M (editor In chief). Handbook of Soil Sciences 2nd Edition. CRC Press, Boca Raton, FL, USA. pp. 18-1 - 18-40. ​

20​10

  • Gröngröft, A., Mager, D., Medinski, T., Mills, A., Petersen, A., Eschenbach, A. (2010): Evaluation of the soil degradation state along fence-line contrasts.  In: Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale: pp. 207–213, Klaus Hess Publishers, Göttingen & Windhoek.
  • Jeltsch, F., Blaum, N., Classen, N., Eschenbach, A., Grohmann, C., Gröngröft, A., Joubert, D.F., Horn, A., Lohmann, D., Linsenmair, K. E., Lück-Vogel, M., Medinski, T. V., Meyfarth, S., Mills, A., Petersen, A., Popp, A., Poschlod, P., Reisch, C., Rossmanith, E., Rubilar, H., Schütze, S., Seymour, C., Simmons, R., Smit, G. N., Strohbach, M., Tews, J., Tietjen, B., Wesuls, D., Wichmann, M., Wieczorek,, M., Zimmermann, I. (2010): Impacts of landuse and climate change on the dynamics and biodiversity in the Thornbush Savanna Biome. –In: Hoffman, M. T., Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa.Volume 3: Implications for landuse and management: pp. 33–74, Klaus Hess Publishers, Göttingen & Windhoek.
  • Petersen, A., Gröngröft, A., Mills, A., Miehlich, G. (2010): Soils along the BIOTA transects. In: Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale: pp. 84–92, Klaus Hess Publishers, Göttingen & Windhoek.
  • Pröpper, M., Gröngröft, A., Falk, T., Eschenbach, A., Fox, T., Gessner, U., Hecht, J., Hinz, M. O., Huettich, C., Hurek, T., Kangombe, F. N., Keil, M., Kirk, M., Mapaure, C., Mills, A., Mukuya, R., Namwoonde, N. E., Overmann, J., Petersen, A., Reinhold-Hurek, B., Schneiderat, U., Strohbach, B. J., Lück-Vogel, M., Wisch, U. (2010): Causes and perspectives of land-cover change through expanding cultivation in Kavango. In Hoffman, M. T., Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 3: Implications for landuse and management: pp. 1–31, Klaus Hess Publishers, Göttingen & Windhoek.
  • Zedda, L., Gröngröft, A., Schultz, M., Petersen, A., Mills, A., Rambold, G. (2010): Patterns of soil lichen diversity along the BIOTA transects in relation to climate and soil features. In: Schmiedel, U., Jürgens, N. [Eds.]: Biodiversity in southern Africa. Volume 2: Patterns and processes at regional scale: pp. 100–106, Klaus Hess Publishers, Göttingen & Windhoek.​​

2​009

  • Bugan, R.D.H., Jovanovic, N.Z., de Clercq, W.P., Helmschrot, J.,  Flügel, W.-A. and Leavesley, G.H. (2009). A comparative analysis of the PRMS and J2000 hydrological models applied to the Sandspruit Catchment (Western Cape, South Africa). In: C.A. Brebbia and A.M. Marinov (eds.) Water Pollution X, Wit Press, Southampton, UK. (ISBN 978-1-84564-448-2).
  • De Clercq, W.P. Fey, M.V., Jovanovic, N. (2009). An overview of the salinization problem in the Berg River catchment (South Africa). In: C.A. Brebbia and A.M. Marinov (eds.) Water Pollution X, Wit Press, Southampton, UK. (ISBN 978-1-84564-448-2) 
  • Hardie, A.G., J.J. Dynes, L.M. Kozak and P.M. Huang (2009). Abiotic catalysis of the Maillard and polyphenol-Maillard humification pathways by soil clays from temperate and tropical environments. In: J. Xu and P.M. Huang (eds.) Molecular environmental soil science at the interfaces in the earth’s critical zone. Zhejiang University Press/Springer-Verlag, Hangzhou, China. pp. 26-28. (ISBN: 978-7-308-06602-0).
  • Huang, P.M. and A.G. Hardie (2009). Formation mechanisms of humic substances in the environment. In: N. Senesi, B. Xing and P.M. Huang (eds.) Biophysico-chemical processes involving nonliving natural organic matter in the environment. Vol. 2, Wiley-IUPAC series Biophysico-Chemical Processes in Environmental Systems. John Wiley & Sons, Hoboken, NJ, USA. pp. 41-108. (ISBN 978-0-470-41300-5).

20​​​08 

  • ​Jovanovic, N.Z., Bugan, R.D.H., Frantz, G., de Clercq, W. and Fey, M.V. (2008). Hydrosalinity fluxes in a small scale catchment of the Berg River (South Africa). In: D. Prats Rico, C.A. Brebbia, Y. Villacampa Esteve (eds.) Water Pollution IX., Wit Press, Southampton, UK. pp. 603-612. (ISBN 978-1-84564-115-3)

20​​​​​07

  • Mills, A.J., Turpie, J., Cowling, R.M., Marais, C., Kerley, G.I.H., Lechmere-Oertel, R.G., Sigwela, A.M. and Powell, M. (2007).  Assessing costs, benefits and feasibility of subtropical thicket restoration in the Eastern Cape, South Africa.  In: S. Milton, J. Aronson and J. Blignaut (eds.) Restoring natural capital: Science, business and practise. Island Press, Washington, DC, USA. pp. 179-187. (ISBN 978-1-597-26077-0) .​

2​​​004

  • Gassner A. and Fey M.V. (2004). Cyanobacteria in Eutrophic Freshwater Systems.  In: B.A. Stewart and Terry A. Howell (eds.) Encyclopedia of water science. Marcell Dekker, New York, USA. pp 3. (ISBN: 0-8247-4241-9).

​20​​03

  • Ceruti, P.O., Fey, M.V. and Pooley, J. (2003). Soil nutrient deficiencies in an area of endemic osteoarthritis (Mseleni Joint Disease) and dwarfism in Maputoland, South Africa. In: H.C.W. Skinner and A.R. Berger (eds.) Geology and health: Closing the gap. Oxford University Press, New York, USA. pp 4-7. (ISBN 978-0-195-162042) 
  • Hoffman, J.E. (2003). Besproeiingskedulering. In: F. Koeglenberg (ed.) Besproeiings-ontwerphandleiding. LNR-ILI, Pretoria.