This report was originally published in German in Deutschlandfunk. The key points of this report are presented in English below, followed by its original version. For a full English version of the text, please click on the “Translate page with Google” button on the upper right-hand side.
Key Points
- A reintroduction program aims to bring the European oyster back to the North Sea.
- But larvae suddenly die at the hatchery on Heligoland, Germany. Is it due to rusted-through World War II ammunition?
- In this first part of an audio report published by German public radio station Deutschlandfunk, the search for an answer begins.
Click below to listen to an audio report in German.

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Alarm in der Nordsee
Ein Wiederansiedlungsprogramm soll die Europäische Auster in die Nordsee zurückholen. Doch dann sterben in der Aufzuchtstation auf Helgoland plötzlich die Larven. Irgendetwas scheint gekippt zu sein. Liegt es an durchgerosteter Weltkriegsmunition? Die Suche beginnt.
Klicken Sie unten, um sich die Audioaufnahme anzuhören.