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The Botswana Department of Water Affairs appointed JG Afrika, in joint venture with Bergstan Afrika, to assess what potential impact the increase in population, tourism and agricultural activities was having on the water quality and biodiversity of the Okavango Delta, one of the largest RAMSAR sites in the world

The programme concentrated on water quality monitoring, using indicators such as vegetation, diatoms and invertebrates to indicate the scale of change and the impact on biodiversity.

A total of six quarterly surveys identified the location of macro-sites, then selected micro-sites within which to collect three sets of data.