. 2014 Apr 17;9(4):e95320. doi: 10.1371/journal.pone.0095320

Table 1. Isotopic niche metrics of Bonelli’s eagle nestlings at the population-year level.

Population-year	Mean δ¹³C	Mean δ¹⁵N	CR_b	NR_b	CD_b	SDNND_b	SEA_c	n
France-2010	−22.71	6.73	3.95	3.09	1.47	0.49	4.01	20
France-2011	−22.34	6.47	3.46	2.68	1.28	0.50	4.15	12
Catalonia-2008	−21.95	6.69	2.88	3.97	1.29	0.49	3.99	20
Catalonia-2009	−22.25	6.87	3.38	5.29	1.56	0.64	5.98	17
Catalonia-2010	−22.76	6.80	2.99	5.82	1.43	0.74	4.92	25
Catalonia-2011	−22.62	6.29	2.76	4.72	1.35	0.51	3.86	24
Andalusia-2011	−23.45	6.75	2.32	1.94	0.81	0.29	1.49	12

Note: CR_b = δ¹³C range; NR_b = δ¹⁵N range; CD_b = mean centroid distance; SDNND_b = standard deviation of nearest neighbour distance; SEA_c = corrected standard ellipse area; n = number of sampled territories. All metrics except SEA_c were bootstrapped (‘_b’; n = 10000).