In a remarkable gamble on ecological memory, Kazakhstan has committed to planting tens of thousands of trees along a river delta, painstakingly stitching back together a habitat that unraveled long before living memory.
The ambition is nothing less than the resurrection of a vanished riparian forest, a labyrinth of floodplain woodland whose dense canopy and teeming understory once made it a stronghold of biodiversity.
Within that lost landscape reigned the Caspian tiger, an apex predator systematically extirpated by decades of hunting and the inexorable erosion of its habitat.
Because that subspecies is irretrievably gone, ecologists have turned to its genetically kindred counterpart, the Amur tiger, in the hope that it can inherit the vacant apex niche.
Provided the forest matures and prey assemblages recover their former abundance, the transplanted cats could gradually reclaim terrain from which their lineage was banished generations ago.
Reinstating a top carnivore across such a vast and demanding range is an undertaking of staggering complexity, contingent on ecological groundwork, enduring political will, and the trust of the people who share the land.
Specialists widely acknowledge it as one of the most audacious and consequential tiger reintroduction endeavours ever conceived.