Avian-power line interactions in the Gobi Desert of Mongolia: are mitigation actions effective?

Table 1 Avian mortality by electrocution and collision in 15 kV power lines in the Gobi Desert (Mongolia)

Taxonomic group	Species	Electrocution		Collision	Abundance/10 km	Birds/100 poles	Birds/10 km	IUCN
Taxonomic group	Species	Syst.	Non-Syst.	Collision	Abundance/10 km	Birds/100 poles	Birds/10 km	IUCN
Raptors	Aegypius monachus	0	0	0	0.39	0	0	NT
	Aquila chrysaetos	0	0	0	0.03	0	0	LC
	Aquila nipalensis	0	0	0	0.14	0	0	EN
	Bubo bubo	0	1	0	–	0	0	LC
	Buteo hemilasius	11	3	0	0.56	1.01	0.83	LC
	F. tinnunculus/naumanni	5	0	0	0	0.46	0.38	LC
	Falco cherrug	5	2	0	0.03	0.46	0.38	EN
	Falco naumanni	4	0	0	0.03	0.37	0.30	LC
	Falco tinnunculus	1	0	0	0	0.09	0.08	LC
	Gypaetus barbatus	0	0	0	0.11	0	0	NT
	Gyps himalayensis	0	0	1	1.02	0	0.08	NT
	Milvus migrans	4	0	0	1.80	0.37	0.30	LC
Corvids	Corvus corax	33	3	0	0.39	3.02	2.48	LC
Other birds	Charadrius veredus	0	0	1	–	0	0.08	LC
	Eremophila alpestris	0	0	2	–	0	0.15	LC
	Melanocorypha mongolica	0	0	1	–	0	0.08	LC
	Phalacrocorax carbo	2	2	0	–	0.18	0.15	LC
	Syrrhaptes paradoxus	0	0	3	–	0	0.23	NT
Unidentified	Unknown species	11	1	0	–	1.01	0.83
	Total	76	12	8		6.96	5.72

The table shows the number of electrocuted birds in systematic (Syst.) and non-systematic sampling (Non-Syst.); birds colliding with power lines (Collision); recorded birds in transects carried out in the area of the power lines studied (Abundance/10 km); electrocution rate measured in number of birds per 100 poles (Birds/100 poles); electrocution or collision rate measured in number of birds per 10 km (Birds/10 km). For the “Total”, we have only used electrocuted birds. For electrocution and collision rates we have only used birds recorded in the systematics samplings; abundance was estimated only for diurnal raptor and corvids; global threat level according to the International Union for Conservation of Nature (IUCN)

ISSN: 2053-7166