Lincolnshire's chalk streams

<p>Around 85% of the world&#39;s chalk streams are found in England, and about 11% of those are found in Lincolnshire. The geological conditions needed to form chalk streams are rare, but the slightly alkaline water that forms them provides an ideal habitat for many of the UK&#39;s freshwater species. </p><p>In this episode, we catch up with Will Bartle, a Monitoring Officer for Lincolnshire Chalk Streams Project, who has been working to restore one of Lincolnshire&#39;s rarest habitats since 2014.</p>