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Jan 2022
24m 10s

The forest sound detectives

Bbc World Service
About this episode
<p>Scientists are checking up on the health of forests by analysing the sounds in them. They test their vital signs by measuring the croaks, tweets and hums of resident creatures. If they can hear a full range of animals they can be confident an ecosystem is doing well. However, if gaps start to appear, it’s a sign something is up. Nick Holland hears mor ... Show More
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