Habitat preferences of diurnal raptors in relation to human access to their breeding territories in the Balkan Mountain Range, Bulgaria

Table 3 Descriptive statistics of the cost path values of various impact points (anthropogenic objects) calculated for all three species under study

Cost path	Aquila chrysaetos (n = 38)				Buteo rufinus (n = 54)				Falco peregrinus (n = 20)
Impact points	Mean	Min	Max	SD	Mean	Min	Max	SD	Mean	Min	Max	SD
Settlement	90,609	22,440	280,375	55,517	59,465	5587	170,656	39,839	75,266	22,156	223,431	47,958
Lodges	572,636	139,370	1,005,450	233,616	716,139	188,531	1,316,020	239,448	563,885	126,458	1185,330	309,488
Road	772,518	154,350	2,120,293	536,853	405,925	16,532	1,535,778	296,832	611,835	83,041	1995,407	510,412
Trail	133,723	13,197	306,222	80,500	80,627	4863	265,758	65,269	138,805	31,999	374,660	83,476
Quarries/Mines	2,352,757	533,792	5,816,220	1,413,244	1,585,221	183,749	3,637,854	840,781	2,203,449	213,645	4,897,610	1,195,145
Religious	1,357,485	177,925	2,818,153	619,713	920,064	90,372	2,138,050	481,457	1,456,415	458,864	3,881,310	768,204
Recreation	688,855	116,479	1,615,979	371,224	534,988	18,901	1,397,080	320,524	556,976	67,935	1,487,392	361,736
All	71,433	13,197	149,412	37,897	42,604	4863	130,039	30,751	64,827	22,390	128,624	33,508

ISSN: 2053-7166