On September 1st new members of Herts and Middlesex Wildlife Trust were welcomed to Lemsford Springs nature reserve to explore the underwater world of Hertfordshire's chalk rivers.

 Guests spent time kick sampling in the reserves lagoon before being introduced to the ecology of the invertebrates and fish they had found by HMWT's Living Rivers Officer David Johnson. Finds included freshwater shrimp, mayfly nymphs, cased caddisly larvae, stickleback and bullhead which were the evenings highlight. Returning along the bank of the River Lea by torchlight the group were able to see shoals of chub and a glimpse of a large barbel. 

Aquatic invertebrate ecology at Lemsford Springs

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