Haplotype distribution and haplotype network of Sargassumpolycystum for ITS2, Rub spacer and Cox3.
Pie chart size is proportional to sample size. Abbreviations for sample sites are given in Table S1 in File S1. Dominant currents are shown in solid lines  and seasonally reversing currents in dashed lines . Light gray area shows the coastal outline during Pleistocene maximum low sea level of 120m . SEC: South Equatorial Current, NEC: North Equatorial Current, NECC: North Equatorial Counter Current, NGCC: New Guinea Coastal Current, ME: Mindanao Eddy, HE: Halmahera Eddy.