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How the Sea off Mallorca Is Heating Up Faster Than We Think — and What We Can Do About It

How Heat Affects Posidonia in Mallorca

Warmer water can damage Posidonia meadows off Mallorca, weakening habitat, shoreline protection and carbon storage.

Published: April 21, 2026
How the Sea off Mallorca Is Heating Up Faster Than We Think — and What We Can Do About It

Answer

What happens to Posidonia seagrass when the water off Mallorca gets too warm?

Posidonia is a key Mediterranean seagrass that helps store carbon, stabilise sand, and provide habitat for marine life. When water temperatures rise too high, its mortality increases and large losses can weaken the coastline and release stored carbon back into the sea.

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