![The scope for a system-based approach to determine fine sediment targets for chalk streams - ScienceDirect The scope for a system-based approach to determine fine sediment targets for chalk streams - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S0341816221003994-gr1.jpg)
The scope for a system-based approach to determine fine sediment targets for chalk streams - ScienceDirect
![Dr Charlie Gardner on X: "Just in case anyone thought there was still a chalk stream in good condition, anywhere in England https://t.co/BYTtGcWXFs" / X Dr Charlie Gardner on X: "Just in case anyone thought there was still a chalk stream in good condition, anywhere in England https://t.co/BYTtGcWXFs" / X](https://pbs.twimg.com/media/EviqJdzXAAMg3Wu.jpg)
Dr Charlie Gardner on X: "Just in case anyone thought there was still a chalk stream in good condition, anywhere in England https://t.co/BYTtGcWXFs" / X
![Knowledge exchange project: karst aquifers | Groundwater quality and protection | British Geological Survey (BGS) Knowledge exchange project: karst aquifers | Groundwater quality and protection | British Geological Survey (BGS)](https://www2.bgs.ac.uk/groundwater/images/karstAquifers/carbonates.jpg)
Knowledge exchange project: karst aquifers | Groundwater quality and protection | British Geological Survey (BGS)
![Robert Macfarlane on X: "England's chalk streams form a rare, wondrous & very fragile ecology. I've put 2 maps below to show how the streams follow the chalk RHS from Smith's iconic Robert Macfarlane on X: "England's chalk streams form a rare, wondrous & very fragile ecology. I've put 2 maps below to show how the streams follow the chalk RHS from Smith's iconic](https://pbs.twimg.com/media/E3OV2N7XEAYkfNK.png)