Dry river beds in southern Namibia. Source:iStockphoto/Steiner 2008 ( click to enlarge ) |
Virtual Water considers every use of water needed to reach the final product. Source:Vilseskogen 2008 ( click to enlarge ) |
Cash crops grown in South Africa and shipped to another country, is one way that virtual water is traded. Source:Kruchem 2008 ( click to enlarge ) |
Water saving technologies in agriculture could result in large savings in the Orange-Senqu River basin overall. Source:Ian Bailey 2006 ( click to enlarge ) |
Nuts are a high value crop, produced in increasingly large volumes in South Africa. Source:Roux Pecan 2009 ( click to enlarge ) |
High grade Pecans. Source:Roux Pecan 2009 ( click to enlarge ) |
An ephemeral stream during the dry season. Source:Department of Water Affairs (DWA), South Africa 2005 ( click to enlarge ) |
Sehlabathebe National Park – a park worth conserving. Source:©iStockphoto/Ananiadis 2008 ( click to enlarge ) |
Monitoring our resources so that they are used sustainably. Source:Vogel 2007 ( click to enlarge ) |
Groundwater is an important source of water in the basin, which is monitored by all four basin states. Source:Kirchner 2008 ( click to enlarge ) |
Conductivity levels in the basin. Source:DWAF South Africa 2009 ( click to enlarge ) |
Sulphate levels in the basin. Source:DWAF South Africa 2009 ( click to enlarge ) |
Sampling activities during the first ORASECOM Joint Basin Water Resources Survey. Source:ORASECOM 2010 ( click to enlarge ) |
Monitoring response indicators is a good way of determining the overall health of an ecosystem. Source:DWAF South Africa 2001 ( click to enlarge ) |
Information systems allow data to be made easily accessible and transferable. Source:©iStockphoto/Parnell 2007 ( click to enlarge ) |
Stream-flow, as well as chemical and physical water attributes, are monitored for the entire basin and compiled in comprehensive information systems. Source:©iStockphoto/Kawisign 2008 ( click to enlarge ) |
Data about water availability can influence water management scenarios, which in turn impact releases from dams such as Katse Dam. Source:Lesotho Highlands Development Agency 2009 ( click to enlarge ) |
A standard methodology for determining environmental flows is needed for the basin. Source:Beekman 2008 ( click to enlarge ) |