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Thanks to an ESA-funded project and data from the Copernicus Sentinel-2 mission, researchers have revealed seasonal variations in intertidal seagrass across Western Europe and North Africa. As a key indicator of biodiversity, these new findings offer valuable insights for the conservation and restoration of these vital ecosystems.
The intertidal zone is the area where the ocean meets the land between high and low tides, and here seagrasses can form extensive meadows. These flowering marine plants provide critical habitats, acting as shelter, nurseries, and feeding and spawning grounds for a diverse range of birds, fish and invertebrates. Beyond their ecological importance, seagrass meadows also stabilise sediments and protect coastlines from erosion. Monitoring the occurrence, extent, condition and diversity of intertidal seagrass as a key biodiversity variable is essential for assessing the overall health of local ecosystems.
Read full story: Sentinel-2 unveils the seasonal rhythm of intertidal seagrass