System

Transboundary Environmental Problems

Rio de la Plata

• Chemical pollution (including oil)
• Microbiological pollution
• Eutrophication and harmful algal blooms
• Suspended solids
• Introduction of exotic species
• Alteration / Destruction of natural habitats
• Loss of biological diversity

Dnipro River Basin

• Chemical pollution
• Radionuclide pollution
• Eutrophication
• Loss/modification of ecosystems or ecotones
• Flooding events and elevated groundwater levels
• Modification of the hydrological regime

Kura-Aras River Basin

• Variation and Reduction of Hydrological Flow
• Deterioration of Water Quality
• Ecosystem Degradation in the River Basin
• Flooding events

Cubango-Okavango River Basin

• Variation and reduction of hydrological flow
• Changes in the abundance and distribution of biota
• Changes in sediment dynamics
• Changes in water quality

Orange-Senqu River Basin

• Stress on ground and surface water resources
• Changes to Hydrological Regime
• Deterioration of water quality
• Land degradation