Table 5 Pairwise habitat use overlap (Pianka’s niche overlap indices) of 14 species of waterbirds wintering at the Vourkari inlet, Saronikos Gulf, Greece

From: Identifying important habitats for waterbird conservation at a Greek Regional Nature Park

	LE	GH	GC	GG	CS	MA	YG	SG	BG	MG	ST	CR	LS
GH	0.64
GC	0.27	0.46
GG	0.01	0.02	0.78
CS	0.58	0.96	0.47	0.02
MA	0.66	0.96	0.47	0.02	0.98
YG	0.18	0.13	0.80	0.62	0.05	0.05
SG	0.29	0.41	0.79	0.92	0.38	0.37	0.55
BG	0.67	0.93	0.54	0.23	0.84	0.82	0.34	0.61
MG	0.67	0.95	0.52	0.18	0.89	0.86	0.29	0.56	0.99
ST	0.06	0.10	0.89	0.67	0.10	0.10	0.93	0.54	0.21	0.18
CR	0.44	0.27	0.02	0.00	0.05	0.05	0.37	0.20	0.53	0.46	0.00
LS	0.39	0.23	0.00	0.00	0.02	0.01	0.36	0.19	0.50	0.43	0.00	1.00
DU	0.41	0.26	0.01	0.00	0.04	0.03	0.37	0.20	0.52	0.45	0.00	1.00	1.00

Biologically significant overlap indices (> 0.60) are shown in italics
LE Little Egret, GH Grey Heron, GC Great Cormorant, GG Great Crested Grebe, CS Common Shelduck, MA Mallard, YG Yellow-legged Gull, SG Slender-billed Gull, BG Black-headed Gull; MG Mediterranean Gull, ST Sandwich Tern, CR Common Redshank, LS Little Stint, DU Dunlin

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