Belgium's traditional horseback fishers see climate change in their nets - Reuters

Belgium's traditional horseback fishers see climate change in their nets | Reuters

Belgium's traditional horseback fishers see climate change in their nets

[1/3]Gunther Vanbleu, 49, a Belgian shrimps fisherman with 10 years of experience, rides his carthorse named Martha to haul a net out of the sea to catch shrimps during low tide in the Belgian coastal town of Oostduinkerke, as part of the Belgian tradition and UNESCO's Representative List of the... Acquire Licensing Rights

BRUSSELS, Nov 7 (Reuters) - On a crisp, wintry day on Belgium's far-western coast, Gunther Vanbleu rides his draft horse down the sandy beach and into the shallow waters.

As the bright yellow of Vanbleu's anorak stands out against the waves, under the water, his draft horse - characterized by its powerful hindquarters - pulls a chain along the sand, causing a vibration that sends shrimp jumping into an outstretched net.

The coastal village of Oostduinkerke is the last place in the world where horseback shrimp fishing is still practiced - today as a UNESCO-recognised centuries-old tradition rather than a commercial enterprise.

The fishermen and women's proximity to the coastal waters has made them front-line witnesses of how climate change is altering the ecosystem of the North Sea.

"We have less shrimp catch than we used to. But we also have more weevers and animal species that you didn't see here before, which come from the Atlantic as the water warms up," Vanbleu told Reuters. Weevers are small, venomous fish that tend to burrow into the sand with just their eyes visible.

Oceans have absorbed 90% of the global warming that humans have caused in the last few decades, according to NASA. In the North Sea, surface temperatures have increased by around 0.3 degrees Celsius per decade since 1991.

That rise in temperatures has disrupted traditional seasons for the small horseback-fishing community.

"The season finished when we saw the first snow; in December, it finished. Now, we don't see snow," said fisherman Eddy D'Hulster.

While shrimp populations fluctuate during short-term changes like heatwaves, fishermen and scientists report increases in lesser weever fish and squid, traditionally found further south but which have moved north into Belgium's warming waters.

"For some species we see higher abundances, for example the weevers and the squid, like cuttlefish" amid warmer water temperatures, said Ilias Semmouri, a marine ecology researcher at Ghent University.

Other species have fared worse. North Sea cod populations have plummeted since the 1980s, which scientists attribute to rising sea temperatures and overfishing.

Climate change is causing unpredictable changes in fish stocks, making it harder to set fishing quotas to manage marine populations sustainably, said Hans Polet, science director of ILVO, the Belgian region of Flanders' fisheries research institute.

"Nature does not respond anymore as we are used to. The turbulence is coming in the system," Polet said. "Where is it heading? I don't know. I'm worried, I'm really worried."

Reporting by Kate Abnett, Bart Biesemans; Editing by Bernadette Baum

Our Standards: The Thomson Reuters Trust Principles.

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