What's that green slime?

It's not paint or pollution. It's a natural salt marsh algae that grows where sunlight, tides, and nutrients meet. In healthy amounts it's part of the marsh food web. When it grows too thick, it can signal extra nutrients upstream and can stress marsh plants.

Rumney Marsh 11/01/2025

Rumney Marsh 11/01/2025

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Marsh erosion: existing healthy habitats are at risk.

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Map of Rumney Marsh ACEC