Greek scientists develop algorithm to help keeps beaches pristine

[Ilias Kotsireas/InTime News]

Greek researchers have developed an algorithm to help manage overcrowding on protected beaches in the western Peloponnese.

The study, led by scientists from the University of the Aegean, focused on 12 beaches within the Kotychi-Strofylia Wetlands National Park and the Kyparissia Gulf – areas vital for biodiversity and endangered species like the Caretta caretta sea turtle.

The team assessed each beach’s ‘carrying capacity,’ or how many visitors it can handle without harming the ecosystem.

They evaluated four metrics: physical, actual, effective and social capacity, incorporating factors like dune protection zones, access points, and visitor perceptions of crowding. Findings show some beaches host two to three times more visitors than sustainable levels.

For instance, Kalo Nero Beach receives 940 daily visitors, while its limit is 270.

“Tourism should not threaten the natural heritage of beaches under protection, but rather contribute to their preservation. This lies at the heart of the sustainable development debate, where the goal is to find a balance between human activity and the conservation of nature,” said Professor Panagiotis Dimitrakopoulos.

The algorithm offers a data-driven approach to balancing tourism with conservation. 

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