The Devastation and Restoration of England's Chalk Streams
Автор: Hampshire & Isle of Wight Wildlife Trust
Загружено: 2024-03-01
Просмотров: 1432
This online talk explored how England's chalk streams have been altered over time, how this has impacted their health, and how restoration can help to reverse the damage. Our speaker was Mike Blackmore from Wessex Rivers Trust.
Wessex Rivers Trust: https://www.wessexrt.org.uk
Learn more about chalk streams: https://www.hiwwt.org.uk/watercress-a...
00:00 Introduction
01:30 What makes a healthy chalk stream?
17:31 Water meadows
18:52 Channel alteration
23:33 Weirs, sluices, and other barriers
26:47 How restoration techniques can help
29:25 Log flow deflectors
30:14 Brushwood berms
31:00 Fallen tree analogues
36:54 Un-straightening or re-wiggling
40:23 Gradual improvements
44:13 Floodplain restoration
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