- Presence/likely absence surveys involving searches for signs of otter activity including dens and footprints, and territorial markers such as anal jelly and spraint.
- Activity surveys using automated motion sensitive cameras .
- Monitoring surveys during works and after mitigation works are complete
- Strategic advice on project feasibility
- Identification of potential direct and indirect impacts, both at the site level and in a wider perspective: risks of disturbing, injuring or killing Otters, habitat modification, loss, fragmentation or isolation, post development interference impacts and poor data situations or ‘last minute discoveries’
- Quantification of potential impacts in terms of extent, magnitude, duration, timing, frequency, reversibility and cumulative effects.
Preparation of license applications to permit otherwise unlawful acts in relation to otters.
Otter method statements
- Artificial otter holt specifications and landscape designs
- Receptor site selection
- Licensed dismantling of otter holts
- Channel damming and draining
- Precautionary working method statements
- Tool box talks
- Ecological clerk of works role
- Habitat management plans including otter holts, underpasses, culverts, aquatic features (ditches, rhines, ponds, lakes, reedbeds and wetlands) and planting and landscaping schemes.