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2024-03-30 09:37:04

Athena on Nostr: Every spring, the city of Utrecht faces a challenge. To protect the city from ...

Every spring, the city of Utrecht faces a challenge. To protect the city from flooding, the canal barriers are closed. However, this necessary measure poses a challenge for the large populations of fish that every spring migrate upstream in search of warmer waters and spawning grounds. The barriers, meant to protect the city, were also stopping fish from going to their breeding grounds.

Then 4 years ago, the city came up with a clever idea.

#fish #ecosystems

https://theclimatehistorian.substack.com/p/a-bell-for-the-fish
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