Results for "algae"

Blue-green algae naturally occurs in inland waters, estuaries and the sea. Blooms can form when their numbers become excessive.

Read blog articles from our staff and Board members.

13 May 2025

As we head into the warmer months, Natural Resources Wales (NRW) is reminding the public that marine algal blooms are a natural occurrence around the Welsh coastline, and are especially common between April and August.

24 Jul 2026