News and Comment on Environmental topics Urban Cycleways      This is how Watford has made room for two wheeled transport        Cycling in Watford  (pdf file) The Bulbourne  river at Berkhamsted         Berkhamsted is fortunate to have a chalk stream running through the town centre. Historically the Bulbourne was rich with wild trout, the gravel bed forming an ideal hatching ground for trout eggs. Watercress thrived in its shallow spring-fed water and willows provided raw material for the local basket weaving industry.         Click on these links to read about the ecological management of this river:      Chalk stream      Silting      Gravel bed       Channel restructure      Coppiced willow