A River in Retreat

Posted on 09.02.2018 in Of Note


Gabriela Bulisova and Mark Isaac

It was not only the grape harvest in Chl’aba, Slovakia that was compromised by a scorching hot summer without rain (see our last post), but the nearby Danube River has dropped to its lowest levels since the early 1960s, according to local residents.

The most obvious result is that vast expanses of pebbly beach have opened up on both sides of the river. And the drop in the water level is so precipitous that the larger cargo and cruise ships that move regularly in both directions on this major European thoroughfare have temporarily ceased their operations.

But the most tragic and upsetting result of the extended heat and drought is a fish kill in the river and the pools along its banks. As with many other bodies of water across Europe, the prolonged extreme temperatures and lack of oxygen created a toxic mix that many of the Danube’s fish could not escape. Worse still, the water in the ponds that dot the river’s banks in Chl’aba slowly evaporated, leaving listless fish flopping in a trickle of fetid water, along with hundreds of carcasses for birds to pick apart.

The Danube is already stressed by extensive agricultural runoff, chemical discharges, pharmaceuticals, poor wastewater treatment, and extensive plastic and other solid waste (and its problems then become the problems of the Black Sea, into which it flows). All this is worsened by extremes of climate that have an immediate impact on water quality, fish and other wildlife.

Keeping the Danube healthy requires a cooperative effort of the nations through which it flows, including Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova and Ukraine. Its drainage basin extends into nine more countries. A recent European Union report strikes a hopeful note, citing advances in wastewater treatment and other pollution controls. But at this fragile moment in the European Union’s history, it is hard to know if environmental protection is top of mind for the governments that need to tackle this problem, or if they have the will to take collective responsibility.

For the moment, the Danube is a shadow of itself, a river in retreat, choking up its fish. Can we move beyond this moment, or is it just the beginning of something more atrocious?



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