Diversity of Efifit Orchids in the Kayan Delta Area, Sekatak Village, Sekatak District, North Kalimantan

Abstract

Orchids are plants that have high enough potential.Sekatak Village is The rich Delta region, which still has a high level of flora and fauna endemism, has become one of the centers of biodiversity. One of the types of flora found in the Kayan Delta area is an orchid. Orchid is one of the biological potentials that has a high commercial value of around 7-10%. However, information regarding the existence of orchids, especially in some areas, is still limited. Therefore, this study aims to determine the diversity of orchid species in Sekatak village, Delta Kayan area, and Sekatak district. This research uses an exploratory method along the Example River I and the Teladan 2 River. Through the river route by riding a speed boat, then climbing the hills and adapted to field conditions. There are 8 types of Orchidaceae, Aspleniaceae and There are 1 Nephrolepidaceae, Apocynaceaethere are 3 types of dan There is 1 type of Polypodiaceae, while at the location of S. Teladan II there are 10 species consisting of Ganodermataceae, Rubiaceae, Annonaceae, Hypoxidaceae each with 1 species, Leguminosae with 2 species, and Aspagaraceae with 3 species, with diversity species included in the medium category.The conclusion of this research is that there are 14 types of orchids including 11 epiphytic orchids, based on the average index of the level of diversity of orchid species included in the medium category.