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Hyrcanian Forest (Caspian Forest) Hyrcanian forest granted the areas with unique richness of biological diversity, its endemic and endangered species, its natural beauty and its masterpieces of nature creative genius in the form of this ancient forest. North of Iran as along band has diverse natural, economic and social conditions. It characterized by various ecological conditions from 550 to 2200mm precipitation, zero to 5671 m elevation and various vegetation landscape from conifers to broadleaved to Mediterranean plants. These conditions caused great diversity in species. It due to its diverse ecological condition is rich in relict species that some of them referred to the Tertiary period. Hyrcanian forest contain the most important and significant natural habitats for in-situ conservation of biological diversity, including those containing threatened species of outstanding universal value from the point of view of science or conservation. It also contains superlative natural phenomena or areas o
