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Table 8 Number of studies including each lamp type

From: Effects of artificial light on bird movement and distribution: a systematic map

Lamp type All White or presumed white Aggregation/ mortality Causes of aggregation/mortality Deterrence Habitat selection
Attraction Orientation
Unavailable 285 202 165 13 8 135 42
LED 72 38 16 6 28 20 18
Laser 45 0 0 0 0 45 1
Incandescent 37 35 8 1 7 11 16
Halogen 27 21 9 2 5 13 4
Fluorescent* 21 20 4 0 1 2 13
Flame 15 3 15 3 0 5 0
Sodium Vapor
(Low or High Pressure)*
11 10 7 0 0 1 2
Mercury-Vapor* 9 6 6 0 0 5 0
Metal Halide* 8 8 6 0 0 1 1
Xenon 3 2 1 1 2 0 0
Electric Light (type UA) 3 2 3 0 0 2 0
Neon 1 1 0 0 1 0 0
Multi-metal Vapor 1 1 0 0 0 0 1
Magnesium 1 1 1 1 0 1 0
  1. Table shows the number of studies testing each lamp type in the whole evidence base, for all studies testing white light (or light presumed by the mapping team to be white), and in the evidence base for each secondary question
  2. *Dominant lighting types for older streetlights and other outdoor lighting [82]