In Jocheon, Hamdeok, and Gotjawal, abundant food chains are maintained due to their large area and wetland habitats.
A variety of animals, including rare and endangered animals, live here. According to a recent research report, 10 species of mammals including roe deer and badger, 53 species of birds including the octagonal bird and the great-colored woodpecker, and amphibians/reptiles including Jeju salamander and non-barrel snake There are 14 species of insects, including about 780 species, including the two-spotted stag beetle and the rhinoceros dung beetle.
About 1,800 plant species are known to be distributed in Jeju Island, and among them, about 500 plants, including rare and endangered plants, live in Gotjawal's barren environment in Jocheon-Hamdeok Gotjawal.