Environmental Management System
Protected Species Surveys
Habitat Surveys
Habitat Creation and Management
Licensing and Mitigation
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Aerial tree inspections are a quick way to confirm or discount the suitability of a tree for use by roosting bats, and can find evidence of use by bats and protected species of birds.

Aerial Tree Inspections

Aerial tree inspections are carried out in order to check if trees are being used by protected species such as bats or Barn owls.

An aerial tree inspection for bats can be carried out as part of a wider bat survey or barn owl survey or in order to either confirm or rule out the use of a tree by protected species.

Aerial tree inspections are carried out by climbing the tree using specialist tree climbing equipment. Tree climbing is a highly specialised skill and the tree is not damaged by the inspection.

The advantage of aerial tree inspections over the more conventional method of inspecting trees (from the ground using binoculars), is that many features may appear suitable for use by roosting bats from the ground, on closer inspection they are often shallow cracks and fissures which are not suitable for use by bats.

If features are inspected and found to be suitable for use by bats then evidence of use may be found such as bat droppings. This can give an early indication to the developer of occupancy and allow the necessary changes to be made to project scheduling.

Aerial tree inspections can save time and cost of waiting for activity surveys, or allow the developer to plan ahead for any protected species licensing work which is necessary.

Case Studies

Phase 2a for High Speed 2 (HS2)

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December 2016
Site: Phase 2a for High Speed 2 (HS2) - from the West Midlands to Crewe Client: Biocensus c/o Arup ##Project overview In spring 2016 UES were subcontracted ... more...

Protected species surveys in Lydney

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August 2016
Site: Lydney, Gloucestershire Client: MMC Land and Regeneration ##Project overview UES were instructed to carry out ecological surveys on a former golf cours... more...

Bat survey in Wilmslow, Cheshire

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March 2012
UES have completed a bat survey and habitat survey of a property in Wilmslow, Cheshire. Bat surveys of the buildings on site consisting of initial building ins... more...

Phase 1 Habitat Survey in Winchester

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November 2011
UES recently completed an Extended Phase 1 Habitat Survey of an old mill in Winchester. An Extended Phase 1 Habitat Survey involves mapping the habitats on the ... more...

Extended phase 1 habitat survey in Deeside

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August 2011
UES have completed an extended phase 1 habitat survey of a site in Deeside, North Wales in order to inform the client of any potential impacts their development... more...

Bat survey of nursing home in Staffordshire

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July 2011
UES recently completed a bat survey of a nursing home in Kings Bromley, Staffordshire. The bat survey consisted of a full internal building inspection and a ful... more...

Extended phase 1 survey in Oxfordshire

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June 2011
UES have completed an extended phase 1 habitat survey of a site in Oxfordshire in order to inform the client of any potential impacts their development would ha... more...