Table 7-47 Significance of Turbine Collision (Bats)
R
ECEPTOR
V
ALUE
/
S
ENSITIVITY
M
AGNITUDE
S
IGNIFICANCE
Vespertilio murinus
Medium
Major
Moderate to
Major
Pipistrellus pipistrellus
Medium
Major
Moderate to
Major
Eptesicus bottae
Medium
Major
Moderate to
Major
Eptesicus serotinus
Medium
Major
Moderate to
Major
Nyctalus noctula
Medium
Major
Moderate to
Major
Rhinolophus bocharicus
Medium
Minor
Minor
The following mitigation measures will be implemented to reduce collision risk
Prevention of elements that may attract bats, or insects and therefore bats:
All wind turbines, particularly the nacelles, will be designed, constructed and
maintained in such a manner that they do not support roosting bats
– all the
gaps and interstices should be made inaccessible to bats;
Use lighting only as needed and use wavelengths and designs that do not
attract insects or bats;
o
Bright white or bluish lights (mercury vapor, white incandescent and
white florescent) are the most attractive to insects. Yellowish, pinkish, or
orange (sodium vapor, halogen, dichroic yellow) are the least
attractive to most insects. LED bulbs are less attractive because they
produce low heat and long wavelengths of light as well as little or no
ultraviolet radiation.
o
Prevent retention of water and growth of weeds/shrub as well as
hedges and shrubs that may attract insects in the immediate vicinity.
Post-construction biodiversity management program will include a Fatality
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