Chalk stream
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Chalk streams are rivers that rise from springs in landscapes with chalk bedrock. Since chalk is permeable, water easily percolates through the ground to the water table and chalk streams therefore re
The River Bourne at Winterbourne Gunner, a typical chalk stream
Commercial watercress production near New Alresford in Hampshire
Watercress
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Watercress or yellowcress is a species of aquatic flowering plant in the cabbage family, Brassicaceae.
Chalk stream
…clear, shallow waters make chalk rivers and streams particularly suitable for fly fishing. Many of the chalk stream springs are also used as sites for watercress production, due to the constant temperature and clean, alkaline, mineral-rich spring water. The Mid Hants Watercress Railway in Hampshire is so named…
Watercress
Nasturtium officinale 00
Watercress beds in Warnford, Hampshire, England