posidonia-watch – boats anchored on Mediterranean seagrass

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posidonia-watch

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LegendBoats▾

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BoatsLargeDensity

Legend

TimeAll▾

Year

All years
2026
2025
2024
2023
2022
2021
2020
2019

Months

Season

BoatsAll▾

Count which boats

AllAIS matchAIS: anchored

Hexagons, month bars and single boats follow this choice; the Hotspots list always counts all boats. Boats with a confident AIS match have a dark ring . What AIS shows

The single boats in this release carry no AIS data, so all of them stay on the map.

Map layers▾

Show on mapAnchoring pressure (hexagons)Seagrass meadowsBoats (< 24 m)Large boats (≥ 24 m)

Zoom in to see meadows and single boats.

Shows anchoring pressure, not proven violations. How this worksUpdated 19 Oct 2026

Cells with the most boats anchored on Posidonia (all months, all boats). Select one to fly there.