Bennett, E.L. (2015) Legal ivory trade in a corrupt world and its impact on African elephant populations. Conservation Biology, 29, 54–60.
Bernard, H.R. (2002) Research Methods in Anthropology. Qualitative and Quantitative Approaches. 3rd edition. AltaMira Press, Oxford, UK.
Biggs, D., Ban, N.C. & Hall, C.M. (2012) Lifestyle values, resilience, and nature-based tourism's contribution to conservation on Australia's Great Barrier Reef. Environmental Conservation, 39, 370–379.
Biggs, D., Courchamp, F., Martin, R. & Possingham, H.P. (2013) Legal trade of Africa's rhino horns. Science, 339, 1038–1039.
Castley, J.G., Boshoff, A.F. & Kerley, G.I.H. (2001) Compromising South Africa's natural biodiversity—inappropriate herbivore introductions. South African Journal of Science, 97, 344–348.
Child, B. (2012) The sustainable use approach could save South Africa's rhinos. South African Journal of Science, 108, 21–25.
Clough, P. (2000) Encouraging Private Biodiversity: Incentives for Biodiversity Conservation on Private Land. Report to the Treasury. New Zealand Institute of Economic Research, Wellington, New Zealand.
Collins, A., Fraser, G. & Snowball, J. (2013a) Rhino poaching: supply and demand uncertain. Science, 340, 1167.
Collins, A., Fraser, G. & Snowball, J. (2013b) Could a regulated market approach for rhinoceros horns work in South Africa? Some practical issues and concerns. Working paper. Rhodes University, Grahamstown, South Africa.
Cousins, J.A., Sadler, J.P. & Evans, J. (2008) Exploring the role of private wildlife ranching as a conservation tool in South Africa: stakeholder perspectives. Ecology and Society, 13(2), 43.
Crookes, D.J. & Blignaut, J.N. (2015) Debunking the myth that a legal trade will solve the rhino horn crisis: a system dynamics model for market demand. Journal for Nature Conservation, 28, 11–18.
Cumming, G.S., Allen, C.R., Ban, N.C., Biggs, D., Biggs, H.C., Cumming, D.H.M.
et al. (2015) Understanding protected area resilience: a multi-scale, social–ecological approach. Ecological Applications, 25, 299–319.
Di Minin, E., Laitila, J., Montesino-Pouzols, F., Leader-Williams, N., Slotow, R., Goodman, P.S.
et al. (2015) Identification of policies for a sustainable legal trade in rhinoceros horn based on population projection and socioeconomic models. Conservation Biology, 29, 545–555.
Duffy, R. (2014) Waging a war to save biodiversity: the rise of militarized conservation. International Affairs, 90, 819–834.
Duffy, R., Emslie, R.H. & Knight, M.H. (2013) Rhino Poaching: How Do We Respond?
Evidence on Demand, London, UK.
Dutton, A.J., Gratwicke, B., Hepburn, C., Herrera, E.A. & Macdonald, D.W. (2013) Tackling unsustainable wildlife trade. In Key Topics in Conservation Biology 2 (eds Macdonald, D.W. & Willis, K.J.), pp. 74–91. John Wiley & Sons, Chichester, UK.
Ferreira, S.M., Botha, J.M. & Emmett, M.C. (2012) Anthropogenic influences on conservation values of white rhinoceros. PLoS ONE, 7(9), e45989.
Ferreira, S.M., Pfab, M. & Knight, M. (2014) Management strategies to curb rhino poaching: alternative options using a cost–benefit approach. South African Journal of Science, 110, 1–8.
Hamman, M. & Tuinder, V. (2012) Introducing the Eastern Cape: A Quick Guide to its History, Diversity and Future Challenges. Stockholm Resilience Centre, Stockholm, Sweden.
Kagande, S.M. & Musarurwa, L.K. (2014) Conserving the African rhinoceros. Biodiversity and Conservation, 23, 497–502.
Kamuti, T. (2014) The fractured state in the governance of private game farming: the case of KwaZulu-Natal Province, South Africa. Journal of Contemporary African Studies, 32, 190–206.
Kerley, G.I.H., Landman, M., Kruger, L. & Owen-Smith, N. (2008) The effects of elephants on ecosystems and biodiversity. In Elephant Management. A Scientific Assessment for South Africa (eds Scholes, R.J. & Mennell, K.G.), pp. 101–147. Wits University Press, Johannesburg, South Africa.
Langholz, J.A. & Kerley, G.I. (2006) Combining Conservation and Development on Private Lands: An Assessment of Ecotourism-Based Private Game Reserves in the Eastern Cape. Centre for African Conservation Ecology, Port Elizabeth, South Africa.
Laurance, W.F. (2004) The perils of payoff: corruption as a threat to global biodiversity. Trends in Ecology & Evolution, 19, 399–401.
Leader-Williams, N. (1992) World Trade in Rhino Horn: A Review. TRAFFIC International, Cambridge, UK.
Lee, D.E. & Du Preez, M. (2015) Determining Visitor Preferences for Rhinoceros Conservation Management at Private, Ecotourism Game Reserves in the Eastern Cape Province, South Africa: A Choice Modeling Experiment. Working Paper No. 502 of Economic Research Southern Africa, Cape Town, South Africa.
Le Saout, S., Hoffmann, M., Shi, Y., Hughes, A., Bernard, C., Brooks, T.M.
et al. (2013) Protected areas and effective biodiversity conservation. Science, 342, 803−805.
Lindsay, P. & Taylor, A. (2011) A Study on the Dehorning of African Rhinoceroses as a Tool to Reduce the Risk of Poaching. Endangered Wildlife Trust and the South African Department of Environmental Affairs, Johannesburg, South Africa.
Maciejewski, K. & Kerley, G.I.H. (2014) Understanding tourists’ preference for mammal species in private protected areas: is there a case for extralimital species for ecotourism?
PLoS ONE, 9(2), e88192.
Martin, R.B. (2012) A Legal Trade in Rhino Horn: Hobson's Choice. Rhino Survival Trust, Johannesburg, South Africa.
Milliken, T. & Shaw, J. (2012) The South Africa–Viet Nam Rhino Horn Trade Nexus: A Deadly Combination of Institutional Lapses, Corrupt Wildlife Industry Professionals and Asian Crime Syndicates. TRAFFIC, Johannesburg, South Africa.
Newing, H. (2010) Conducting Research in Conservation: Social Science Methods and Practice. Routledge, London, UK.
Ngwakwe, C.C. & Mokgalong, N.M. (2014) Consumer income growth and rhino poaching in South Africa. Environmental Economics, 5, 42–52.
Pernetta, A.P. (2014) A disappearing drylands icon? White rhinoceros conservation and the need for public–private partnerships. Biodiversity, 15, 231–233.
Rademeyer, J. (2012) Killing for Profit: Exposing the Illegal Rhino Horn Trade. Random House Struik, Cape Town, South Africa.
Ripple, W.J., Newsome, T.M., Wolf, C., Dirzo, R., Everatt, K.T., Galetti, M. et al. (2015) Collapse of the world's largest herbivores. Science Advances, 1(4), e1400103.
Rutherford, M.C., Powrie, L.W. & Husted, L.B. (2014) Herbivore-driven land degradation: consequences for plant diversity and soil in arid subtropical thicket in south-eastern Africa. Land Degradation & Development, 25, 541–553.
Sims-Castley, R., Kerley, G.I.H., Geach, B. & Langholz, J. (2005) Socio-economic significance of eco-tourism based private game reserves in South Africa's Eastern Cape Province. Parks: Protected Areas Programme. Private Protected Areas, 15, 6–18.
Skead, C.J. (1987) Historical Mammal Incidence in the Cape Province, Vol. 2: The Eastern Half of the Cape Province, Including the Ciskei, Transkei and East Griqualand. Chief Directorate of Nature and Environmental Conservation, Cape Town, South Africa.
Smith, N. & Wilson, S.L. (2002) Changing Land Use Trends in the Thicket Biome: Pastoralism to Game Farming. Terrestrial Ecology Research Unit, University of Port Elizabeth, Port Elizabeth, South Africa.
Smith, R.J., Biggs, D., St John, F.A.V., ‘t Sas-Rolfes, M. & Barrington, R. (2015) Elephant conservation and corruption beyond the ivory trade. Conservation Biology, 29, 953–956.
Smith, R.J., Muir, R.D.J., Walpole, M.J., Balmford, A. & Leader-Williams, N. (2003) Governance and the loss of biodiversity. Nature, 426, 67–70.
Smith, R.J., Roberts, D.L., Duffy, R. & St John, F.A.V. (2013) New rhino conservation project in South Africa to understand landowner decision-making. Oryx, 47, 323.
Snijders, D. (2014) Wildlife policy matters: inclusion and exclusion by means of organisational and discursive boundaries. Journal of Contemporary African Studies, 32, 173–189.
Taylor-Powell, E. & Renner, M. (2003) Analyzing Qualitative Data. University of Wisconsin, Cooperative Extension, Madison, USA.
Thomas, D.R. (2006) A general inductive approach for analyzing qualitative evaluation data. American Journal of Evaluation, 27, 237–246.