Relevant publications

  • Van der Vyver, M.L., Cowling, R.M., Campbell, E.E. and Difford, M. 2012. Active restoration of woody canopy dominants in degraded South African semi-arid thicket is neither ecologically nor economically feasible. Applied Vegetation Science 15, 26-34.
  • Van der Vyver, M.L., Cowling, R.M, Mills, A.J. and Difford, M. 2012. Spontaneous return of biodiversity in restored subtropical thicket: Portulacaria afra as an ecosystem engineer. Restoration Ecology (in press).
  • Mchunu, S.E. 2012. Distribution and Stability of Soil Carbon in Spekboom Thicket, Eastern Cape, South Africa. MSc. Thesis. University of Stellenbosch, Soil Science Department.
  • Mills, A.J., Cowling, R.M., Steyn, D., Spekreijse, J., Van den Broeck, D., Weel, S., 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. 77: 782-786.
  • Mills, A.J. and Cowling, R.M. 2009. Below-ground carbon stocks in intact and transformed subtropical thicket landscapes in semi-arid South Africa. Journal of Arid Environments. doi:10.1016/j.jaridenv.2009.07.002
  • Sigwela, A.M., Kerley, G.I.H., Mills, A.J. and Cowling, R.M. 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.
  • Lechmere-Oertel, R.G., Kerley, G.I.H., Mills, A.J. & Cowling, R.M. 2008. Litter dynamics across browsing-induced fence line contrasts in succulent thicket, South Africa. South African Journal of Botany 74: 651-659.
  • 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: J.Aronson, S.J. Milton and J. Blignaut (eds), Restoring natural capital. Science, business and practice. Island Press, Washington DC.
  • 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.
  • Lechmere-Oertel, R.G., Kerley, G.I.H. & Cowling, R.M. 2005. Patterns and implications of transformation in semi-arid succulent thicket, South Africa. Journal of Arid Environments 62: 459-474.
  • Lechmere-Oertel, R.G., Kerley, G.I.H. & Cowling, R.M. 2005. Landscape dysfunction and reduced spatial heterogeneity in soil resources and fertility in semi-arid succulent thicket, South Africa. Austral Ecology 30:615-624
  • Mills, A.J., Cowling, R.M., Fey, M.V., Kerley, G.I.H., Lechmere-Oertel, R.G., Sigwela, A., Skowno, A. and Rundel, P.W. 2005. Effects of goat pastoralism on ecosystem carbon storage in semi-arid thicket, Eastern Cape, South Africa. Austral Ecology 30, 807-813.
  • Mills, A.J. and Fey, M.V.2004. Soil carbon and nitrogen in five contrasting biomes of South Africa exposed to different land uses. South African Journal of Soil Science 21, 94-103.
  • Mills, A.J. & Fey, M.V. 2004. Transformation of thicket to savanna reduces soil quality in the Eastern Cape, South Africa. Plant and Soil 265:153-163.
  • Sigwela, A. M. 2004. The impacts of landuse on vertebrate diversity and vertebrate- mediated processes in the Thicket Biome, Eastern Cape. Ph.D. thesis. University of Port Elizabeth, Port Elizabeth, South Africa.
  • Lechmere-Oertel, R.G. 2003. The effects of goat browsing on ecosystem patterns and processes in succulent thicket, South Africa. Unpublished doctoral dissertation, University of Port Elizabeth, Port Elizabeth, South Africa.
  • 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.
  • Lloyd, J.W., van den Berg, E. & Palmer, A.R. 2002. Patterns of transformation and degradation in the thicket biome, South Africa. TERU report no: 39. University of Port Elizabeth, Port Elizabeth, South Africa.
  • Midgley, J. & Cowling, R.M. 1993. Regeneration patterns in the Cape subtropical transitional thicket: where are all the seedlings? South African Journal of Botany 59: 496-499.