Environmental DNA (eDNA) is DNA which is released into the environment by an organism from sources such as skin and fluid, which persists for approximately 7-21 days in a water body depending on environmental factors. Water samples can be taken and tested for the presence of eDNA for a specific species, detecting DNA at very low concentrations, and assessing the presence/ likely absence of the species.

Elton Ecology were sub-contracted to carry out a volume of eDNA surveys for Great Crested Newt Triturus cristatus (GCN) to inform the ecological assessment of a proposed pipeline route.

We took the following responsibilities to deliver the work:

• Liaison with landowners for safe site access and egress
• Site specific point of work risk assessments
• GCN eDNA water sampling of ponds, undertaken by a Natural England GCN Licenced Surveyor
• Implementing a strict biosecurity protocol between ponds and land parcels
• Supply of data via a GIS – based app platform