Table ¹: Location, sampling period and number of samples of Fucus vesiculosus from the Baltic Sea used in the study. in Phylogeographic patterns in attached and free-living marine macroalga Fucus vesiculosus (Fucaceae, Phaeophyceae) in the Baltic Sea

Table ¹: Location, sampling period and number of samples of Fucus vesiculosus from the Baltic Sea used in the study. Site codeSubbasinRegionLocalitySite location a (decimal degrees)YearSite typeNo. of thalli(decimal degrees)No. of thalli sequenced Free-living AttachedASNorthern Baltic ProperAskÖSweden58.81731 17.465692017Mixed33ASNorthern Baltic ProperAskÖSweden58.82953 17.615642017Mixed33ASNorthern Baltic ProperAskÖSweden58.806 17.514782017Mixed23ASNorthern Baltic ProperAskÖSweden58.89456 17.627862017Mixed33ASNorthern Baltic ProperAskÖSweden58.93689 17.607362017Mixed33ASNorthern Baltic ProperAskÖSweden58.90914 17.660222017Mixed33HSArkona BasinHiddenseeGermany54.58202 13.111552018Mixed33HSArkona BasinHiddenseeGermany54.60418 13.143412018Attached–3OLGulf of BothniaOlkiluotoFinland61.236 21.421392017Free-living2–SAGulf of RigaSaaremaaEstonia58.37155 22.978652018Free-living3–SAGulf of RigaSaaremaaEstonia58.21857 22.504182018Free-living3–SEArchipelago SeaSeiliFinland60.23086 21.955222018Mixed32SEArchipelago SeaSeiliFinland60.23871 21.940032018Mixed13TZGulf of FinlandTvärminneFinland59.90994 23.381472017Mixed33TZGulf of FinlandTvärminneFinland59.90469 23.376032017Mixed33TZGulf of FinlandTvärminneFinland59.89903 23.39152017Mixed33TZGulf of FinlandTvärminneFinland59.89328 23.382222017Mixed33TZGulf of FinlandTvärminneFinland59.85006 23.246362018Mixed33TZGulf of FinlandTvärminneFinland59.81163 23.206492017Attached–3TZGulf of FinlandTvärminneFinland59.839 23.249132017Attached–3TZGulf of FinlandTvärminneFinland59.81239 23.106282017Attached–3 a Values listed as latitude (1st) and longitude (2nd).表¹：本研究使用的波罗的海膀胱褐藻（Fucus vesiculosus）样本的采集地点、采样周期与样本量。 表头依次为：站点代码、次级流域、区域、采集点、采样点坐标a（十进制度）、采样年份、样地类型、总藻体数、自由生长组测序藻体数、附着生长组测序藻体数。具体样本信息如下： 1. AS、北波罗的海盆、AskÖ、瑞典、58.81731 17.46569、2017、混合样地、33、-、- 2. AS、北波罗的海盆、AskÖ、瑞典、58.82953 17.61564、2017、混合样地、33、-、- 3. AS、北波罗的海盆、AskÖ、瑞典、58.806 17.51478、2017、混合样地、23、-、- 4. AS、北波罗的海盆、AskÖ、瑞典、58.89456 17.62786、2017、混合样地、33、-、- 5. AS、北波罗的海盆、AskÖ、瑞典、58.93689 17.60736、2017、混合样地、33、-、- 6. AS、北波罗的海盆、AskÖ、瑞典、58.90914 17.66022、2017、混合样地、33、-、- 7. HS、阿尔科纳海盆、Hiddensee、德国、54.58202 13.11155、2018、混合样地、33、-、- 8. HS、阿尔科纳海盆、Hiddensee、德国、54.60418 13.14341、2018、附着样地、-、-、3 9. OLG、波的尼亚湾、Olkiluoto、芬兰、61.236 21.42139、2017、自由生长样地、-、2、- 10. SA、里加湾、Saaremaa、爱沙尼亚、58.37155 22.97865、2018、自由生长样地、-、3、- 11. SA、里加湾、Saaremaa、爱沙尼亚、58.21857 22.50418、2018、自由生长样地、-、3、- 12. SE、群岛海、Seili、芬兰、60.23086 21.95522、2018、混合样地、32、-、- 13. SE、群岛海、Seili、芬兰、60.23871 21.94003、2018、混合样地、13、-、- 14. TZ、芬兰湾、Tvärminne、芬兰、59.90994 23.38147、2017、混合样地、33、-、- 15. TZ、芬兰湾、Tvärminne、芬兰、59.90469 23.37603、2017、混合样地、33、-、- 16. TZ、芬兰湾、Tvärminne、芬兰、59.89903 23.3915、2017、混合样地、33、-、- 17. TZ、芬兰湾、Tvärminne、芬兰、59.89328 23.38222、2017、混合样地、33、-、- 18. TZ、芬兰湾、Tvärminne、芬兰、59.85006 23.24636、2018、混合样地、33、-、- 19. TZ、芬兰湾、Tvärminne、芬兰、59.81163 23.20649、2017、附着样地、-、-、3 20. TZ、芬兰湾、Tvärminne、芬兰、59.839 23.24913、2017、附着样地、-、-、3 21. TZ、芬兰湾、Tvärminne、芬兰、59.81239 23.10628、2017、附着样地、-、-、3 注：a 所列坐标数值依次为纬度（第一值）与经度（第二值）。