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Seabird flight height data collection at an offshore wind farm: final report

Understanding seabird flight heights and behaviour in and around operational offshore wind farms is a priority knowledge gap. Using aircraft mounted LiDAR technology, this study collected data on seabird flight height and shows the potential for using it in offshore windfarm impact assessments.


Appendix II. Digital Still Imagery to LiDAR Match Rates

Table II.1 Survey 1 Imagery to LiDAR Match Rate.

Common Name

Unable to match

Matched

Grand Total

Match Rate

Auk species

0

1

1

100%

Auk / Shearwater species

1

0

1

0%

Fulmar

5

48

53

91%

Gannet

6

39

45

87%

Great Black-backed Gull

0

2

2

100%

Great Skua

3

3

100%

Guillemot

101

662

763

87%

Guillemot / Razorbill

1

7

8

88%

Herring Gull

5

21

26

81%

Kittiwake

21

239

260

92%

Razorbill

5

27

32

84%

Total

145

1049

1194

88%

Table II.2 Survey 2 Imagery to LiDAR Match Rate

Common Name

Unable to match

Matched

Grand Total

Match Rate

Fulmar

5

66

71

93%

Gannet

0

18

18

100%

Great Black-backed Gull

0

3

3

100%

Great Skua

0

6

6

100%

Guillemot

68

526

594

89%

Guillemot / Razorbill

4

17

21

81%

Herring Gull

2

19

21

90%

Kittiwake

41

396

437

91%

Manx Shearwater

1

0

1

0%

Puffin

0

1

1

100%

Unidentified Bird species

1

0

1

0%

Grand Total

122

1052

1174

90%

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