ARC (2005) Land Type Survey Sta.f 1972 - 2005. Land Types of South Africa: Digital map (1:250 000 scale) and soil inventory databases. ARC-Institute for Soil, Climate and Water, Pretoria.
BARBIER EB, HACKER SD, KENNEDY C, KOCH EW, STIER AC and SILLIMAN BR (2011) eTh value of estuarine and coastal ecosystem services. Ecol. Monogr. 81 (2) 169-193. https://doi. org/10.1890/10-1510.1
BERGH EW and COMPTON JS (2015) A one-year post-fire record of macronutrient cycling in a mountain sandstone fynbos ecosystem, South Africa. S. Afr. J. Bot. 97 48-58. https://doi.org/10.1016/j. sajb.2014.11.010
BINNS JA, ILLGNER PM and NEL EL (2001) Water shortage, deforestation and development: South Africa's Working for Water Programme. Land Degrad. Dev. 12 341-355. https://doi.org/10.1002/ ldr.455
BRUMMER TJ, BYROM AE, SULLIVAN JJ and HULME PE (2016) A quantitative framework to derive robust characterization of hydrological gradients. River Res. Appl. doi: 10.1002/rra.3001. https://doi.org/10.1002/rra.3001
CAPE (2011) CapeNature fire management. URL: http://bgis.sanbi.org/ cape/fire.asp (Accessed July 2015).
CHATTOPADHYAY S, RANI LA and SANGEETHA PV (2005) Water quality variations as linked to landuse pattern: a case study in Chalakudy river basin, Kerala. Curr. Sci. 89 (12) 2163-2189.
DE LANGE WJ and MAHUMANI BK (2013) Report on the agricultural economic significance of deteriorating water quality in the Hoekwil study area. CSIR/NRE/GES/IR/2013/0088/A. CSIR, Stellenbosch.
DING J, YUAN J, LAN F, QI L, QIUZHI P and MUYI K (2015) Impacts of land use on surface water quality in a subtropical river basin: A case study of the Dongjiang River Basin, Southeastern China. Water 7 (8) 4427-4445. https://doi.org/10.3390/w7084427 [OpenAIRE]
DU TOIT JCO and O'CONNOR TG (2014) Changes in rainfall pattern in the eastern Karoo, South Africa, over the past 123 years. Water SA 40 (3) 453-460. https://doi.org/10.4314/wsa.v40i3.8
DWA (Department of Water Afairs, South Africa) (2009) Resource Quality Services methods manual: Inorganic chemistry laboratory. Method 5001.5, 5001.7, and 5001.11. Department of Water Afairs, Pretoria.
DWAF (Department of Water Afairs and Forestry, South Africa) (2004) Gouritz Water Management Area: Internal Strategic Perspective. Prepared by Ninham Shand (Pty) Ltd in association with Jakoet and Associates and Umvoto Africa, on behalf of the Directorate: National Water Resource Planning. DWAF Report No P WMA16/000/00/0304.
DWS (Department of Water and Sanitation, South Africa) (2015a) Hydrological services - surface water (data, dams, floods and flows). URL: www.dwaf.gov.za/Hydrology/hymain.aspx (Accessed July 2015).
DWS (Department of Water and Sanitation, South Africa) (2015b) Resource Quality Services water quality monitoring sites grouped by water management area. URL: www.dwaf.gov.za/iwqs/wms/data/ WMS_pri_txt.asp (Accessed July 2015).
GORDON ND, MCMAHON TA, FINLAYSON BL, GIPPEL CJ and NATHAN RJ (2004) Stream Hydrology: An Introduction for Ecologists. John Wiley and Sons, Ltd, Chichester.