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Fig. 3 | Animal Biotelemetry

Fig. 3

From: An autonomous GPS geofence alert system to curtail avian fatalities at wind farms

Fig. 3

Map of geofence alert zones installed around a wind farm in Mexico that threatens avifauna. Flight path of a California condor that was GPS-tracked crossing the USA/Mexico border and intersecting the Energía Sierra Juárez Wind-energy Project (purple diamonds) is indicated by the red line. Concentric outer 40 km (yellow) and inner 20 km (red) virtual geofence zones were placed around the wind-energy project to provide automatic SMS alerts of the ingress of telemetered birds

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