Ynys Meicel with Strumble Lighthouse perched on top.
Showing the coloured bands / the Biological Zones where the changing water levels
determine the life forms that can survive there.
Grey band - Barnacles / Limpets.
The Black Band (In the Splash Zone) - Black Tar Lichen -" Verrucaria Maura " .
The yellow , orange , grey Band (Splash Zone) - Lichens growing on the area not
covered by the Sea .
Location: SM 893 408