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The battle to save England's chalk streams, one of the planet's rarest habitats | Rivers | The Guardian
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Knowledge exchange project: karst aquifers | Groundwater quality and protection | British Geological Survey (BGS)
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Principal aquifers in England and Wales | Aquifer, shale and clay maps | Aquifers and shales | Groundwater | Our research | British Geological Survey (BGS)
![Rivers, streams and wetlands – the Chalk and its water-dependent ecosystems | Geological Society, London, Special Publications Rivers, streams and wetlands – the Chalk and its water-dependent ecosystems | Geological Society, London, Special Publications](https://www.lyellcollection.org/cms/10.1144/SP517-2020-140/asset/8e211a7f-44ea-40f7-89ce-424dbbbda57b/assets/images/large/sp2020-140f03.jpg)
Rivers, streams and wetlands – the Chalk and its water-dependent ecosystems | Geological Society, London, Special Publications
![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
![08-18-2021 Portsmouth, Hampshire, UK, Chalk River Ontario Canada Shown on a Road Map or Geography Map Editorial Stock Photo - Image of territories, canada: 227684863 08-18-2021 Portsmouth, Hampshire, UK, Chalk River Ontario Canada Shown on a Road Map or Geography Map Editorial Stock Photo - Image of territories, canada: 227684863](https://thumbs.dreamstime.com/z/portsmouth-hampshire-uk-chalk-river-ontario-canada-shown-road-map-geography-map-portsmouth-hampshire-uk-chalk-river-227684863.jpg)
08-18-2021 Portsmouth, Hampshire, UK, Chalk River Ontario Canada Shown on a Road Map or Geography Map Editorial Stock Photo - Image of territories, canada: 227684863
![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)
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
![Chalk Streams First” coalition puts forward proposals to cease or reduce abstraction from the Colne and Lea chalk streams | Chilterns AONB Chalk Streams First” coalition puts forward proposals to cease or reduce abstraction from the Colne and Lea chalk streams | Chilterns AONB](https://www.chilternsaonb.org/wp-content/uploads/2022/07/CSF-image.jpg)