ALMATY – The rapid decline of the Caspian Sea is emerging as one of Kazakhstan’s most complex water and environmental challenges, with falling water levels threatening ecosystems, fisheries, coastal infrastructure and communities. As the country strengthens its broader water management system, the changing Caspian is adding urgency to efforts to improve how Kazakhstan monitors and uses its water resources.
The water level of the Caspian Sea along Kazakhstan’s coastline continues to decline. Photo credit: Tengrinews. Click to see the map in full size. The map is designed by The Astana Times. The scale of the challenge is becoming visible along Kazakhstan’s Caspian coast.
A newly emerged island, already referred to locally as Rybachy, has become a visible sign of the sea’s retreat, while scientists have warned of potentially significant ecological consequences. Experts have compared some aspects of the current situation with the deterioration of the Aral Sea, although the two water bodies have very different causes and dynamics.
Vadim Ni, founder of the Save the Caspian Sea movement and director of the Social and Environmental Fund, said the consequences are already being felt in several sectors, including shipping, cargo transportation, fisheries, tourism and drinking water supplies in Aktau.
At the same time, speaking with the Inbusiness agency, he noted that the full economic cost of the Caspian’s decline has yet to be systematically assessed. The Caspian is particularly important for Kazakhstan because its economic role extends far beyond the coastline.
The sea supports fisheries, ports and tourism, while Kazakhstan’s ports form part of the Trans-Caspian International Transport Route, linking China and Europe. A continued decline in water levels could therefore create additional costs for maritime transportation and port infrastructure.
Shallowing waters can restrict access for larger vessels and require adjustments to navigation channels and coastal facilities. Economist and financial adviser Arman Baiganov said declining water levels could disrupt port infrastructure because deep-draft vessels may no longer be able to access and dock at some facilities.
However, the exact economic impact remains difficult to calculate because it will depend on the speed and extent of the decline, as well as the measures taken to adapt infrastructure. The same uncertainty applies to tourism. Kazakhstan has invested heavily in developing Aktau and other Caspian destinations, but a retreating shoreline could eventually change the location and viability of existing recreation facilities.
“If the water significantly retreats from the shore, tourist bases and recreation areas located today along the coast may have to be relocated or rebuilt closer to the sea,” Baiganov said. The reduction of shallow-water areas in the northern Caspian affects habitats that are important for fish feeding and reproduction.
This is particularly significant for sturgeon species, historically associated with the Caspian ecosystem.