This small island near Venice emerges with a new ecosystem. Here’s what we know about it

A small island called Bacan has emerged near Venice and developed its own ecosystem. The island remains accessible throughout the year due to the city’s flood barriers. It provides a refuge for Venetians but triggers concerns about disrupting the lagoon’s balance.

Island Emerges

Bacan is a small strip of land located off Venice’s shores. It spans 820 feet in width and 33 feet in length. Previously, it appeared only in summer when lagoon waters receded. However, since Venice installed flood barriers, Bacan stays above water all year.

The Mose flood barriers began operating in 2020 to prevent high tides. These barriers help protect Bacan by keeping it above the water level. Giovanni Cecconi, an engineer involved in the project, explained how the barriers benefit the island. “When the barriers open, they speed up water flow into the lagoon. This brings in more sand to sustain Bacan,” he said. The barriers also shield the land from surges that once eroded it.


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New Ecosystem on Bacan

The island last submerged in 2020. Today, it has developed a new environment. Venetians often visit to relax under the sun or hunt for shellfish. Bacan’s growing vegetation also supports this unique ecosystem. “This shows the lagoon can evolve positively with human efforts,” Cecconi added.

However, concerns remain about the flood barriers. Some experts argue they disrupt the lagoon’s natural balance. They say blocking storm surges stops silt deposits, which are crucial for marsh ecosystems. Marshes absorb significant carbon and help fight climate change, which remains a serious threat to Venice.

Venice’s Issues

Venice faces more issues beyond the lagoon. Over-tourism affects its infrastructure, with 30 million visitors arriving annually. To manage the crowds, Venice now limits tourist groups to 25 people. Authorities also introduced a 5-euro entry fee for day visitors.

Locals, however, see these steps as insufficient. Rising sea levels and overdevelopment continue to sink the city. Climate change remains a major reason for Venice’s struggles.

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FAQs

What caused Bacan to remain above water all year?
The Mose flood barriers, operational since 2020, prevent high waters and erosion, keeping Bacan afloat year-round.

How does Bacan benefit Venetians?
Bacan provides Venetians with a peaceful retreat away from crowds and tourists, featuring growing vegetation and a unique ecosystem.