How a system for measuring radioactive fallout became a goldmine for biological research

This episode of FOI’s Rapporterat features our very own Per Stenberg and Cajsa Collin, and explores how a system originally designed for measuring radioactive fallout has become a valuable resource for biological research.

Per explains how archived air samples collected since the 1960s are now being used to extract and sequence environmental DNA from the surrounding environment. The discussion highlights how these long-term atmospheric samples make it possible to study species presence and track ecosystem change over decades, turning historical monitoring infrastructure into a powerful tool for understanding biodiversity change.

The episode is in Swedish.

 
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DNA floating in air reveals the hidden past of ecosystems

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Filters capture the air's DNA