Helgoland Sunset (IMAGE) Universitaet Stuttgart Caption Helgoland coastline in the German Bight, North Sea: Helgoland is characterized by a rich marine biodiversity that is vulnerable to pollution such as oil spills. Credit Saskia Rughöft Usage Restrictions no restriction License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.