Table 3.

Black-billed gull genetic differentiation matrix (F_ST) between catchments across New Zealand from SNPs. Bold indicates significant differences from 0 (p < 0.05). Ahu—Ahuriri, Ash—Ashburton, Huru—Hurunui, Wai—Wairau, Tara—Taramakau, Ore—Oreti, Cli—Clifden, Mat—Mataura, Wairap—Wairarapa, Rot—Rotorua.

	Ahu	Ash	Huru	Wai	Tara	Ore	Cli	Mat	Wairap
Ahu
Ash	0.006
Huru	0.004	0.002
Wai	0.005	0.005	0.002
Tara	0.004	0.007	0.004	0.006
Ore	0.005	0.010	0.007	0.009	0.007
Cli	0.006	0.010	0.009	0.011	0.007	0.003
Mat	0.004	0.008	0.007	0.006	0.005	0.002	0.003
Wairap	0.014	0.015	0.011	0.015	0.014	0.020	0.022	0.017
Rot	0.033	0.035	0.028	0.035	0.033	0.037	0.043	0.037	0.021