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Great Crested Newt alternative trapping methods workshop

27 March 2018

The East of England Committee held an event at Nevendon on 27 March 2018, a site managed by Jon Cranfield of Herpetologic.  The event looked at the work Herptologic have undertaken on site and methods for carrying out great crested newt surveys including the use of day time deep water bo traps.  The bo traps have been shown to successfully detect great crested newts within in a couple of hours during the day time demonstrating an alternative technique to obtaining presence and absence data.  The traps are also being used in comparison with bottle traps to assess capture rates. 

The Nevendon is a good example of how protected species can be successfully translocated and for numbers of the species to be both maintained and enhanced.  Part of this success has been the very diligent work Jon and his team have put in over the years to manage the site and demonstrates the importance for successful sites to have people that can take on the long-management once development has been completed – and arguably people that have an interest in the ecology of a site. 

Thanks goes to all those that could attend and to Jon, Ray and Jim for guiding us around the site. 

James Simpson MCIEEM, East of England Section Committee



Top left: Jon turning tins over onsite where a range of reptiles can be found including adder, slow worm and grass snake

Top right: The group checking the bo traps

Bottom left: Adder recorded onsite during site visit (one of the other species translocated)

Bottom right: For the few that stayed to torch the ponds we got to see a great silver water beetle (Hydrophilus piceus)


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