Table 2.

Genetic diversity indices for black-billed gulls at each sampling site. Ho-observed heterozygosity, Hs-expected heterozygosity, AR—allelic richness. Rot—Rotorua, Wairap—Wairarapa, Wai—Wairau, Tara—Taramakau, Huru—Hurunui, Ash—Ashburton, Ahu—Ahuriri, Ore—Oreti, Mat—Mataura, Cli—Clifden.

	Rot	Wairap	Wai	Tara	Huru	Ash	Ahu	Ore	Mat	Clif	Population Combined
Ho	0.258	0.287	0.227	0.286	0.278	0.258	0.244	0.252	0.280	0.263	0.2633
Hs	0.271	0.283	0.279	0.286	0.281	0.282	0.283	0.284	0.288	0.284	0.2818
AR	1.676	1.713	1.705	1.731	1.714	1.713	1.716	1.722	1.735	1.724	1.715