11. It consists of both ancient woodland, relict heathland and plantation woodland. 12. Relicts which were also found there, are still 1000 years older.13. Other parts of the hill also have relict heathland vegetation. 14. Hirkan National Park preserves relict and endemic plants species of Tertiary period. 15. The bighead goby is a Ponto-Caspian relict species. 16. This led to a better understanding of their refugia and relict faunas. 17. This plant has survived the last glacial period as a relict organism. 18. Few of the relict goldenrods remain as far south as this one. 19. Strandzha Nature Park falls within two terrestrial ecoregions of the relict species. 20. Under those conditions the region has preserved relict species from the Neogene.
