International Waters learning Exchange & Resource Network



Transboundary Environmental Problems

Lake Peipsi

  • Eutrophication
  • Fishery management
  • Groundwater pollution and water distribution
  • Mining pollution from oil-shell activities

Lake Chad

  • Variability of hydrological regime and fresh water availability
  • Water pollution
  • Decreased viability of biological resources
  • Loss of biodiversity
  • Loss and modification of ecosystems
  • Sedimentation in rivers and water bodies and
  • Invasive species

Lake Tanganyika

  • Climate Change Impacts
  • Unsustainable Fisheries
  • Unsustainable Land Management
  • Lack of sufficient Critical Habitat Protection, Restoration and Management
  • Biological Invasions
  • Degradation of Water Quality

Lake Prespa

  • Nutrient Enrichment
  • Native Fish Stock Decline
  • Reduction in the water level in Macro Prespa
  • Sediment Transport
  • Deforestation and changes in forests
  • Organic Pollution
  • Hazardous Substance Pollution