Abstract
Orchid is a plant with a high aesthetic value.The existence of orchids directly by the community from their natural habitat, causing the existence of orchid in nature was threatened. The potential of orchid diversity in the Gebugan Nature Reserve area needs exploration to maintain its sustainability. This research would explore the diversity and abundance of orchid species and determined the environmental conditionof Gebugan Nature Reserve. The study was done on 2 stations with altitude difference are 900 m asl and 1045 m asl. Five plots of 10 m x 10 m were systematically constructed at each station with a distance of plots 50 meters. Species of orchids found in the Gebugan Nature Reserve were 12 species, including 11 species of epiphytic orchids and 1 species of terrestrial orchids. The abundance of individual orchid species was relatively higher in places with higher altitudes. Micropera sp was the most abundant orchid species and Corymborkis veratrifolia was the species of orchid with the lowest abundance. It is found that the environmental conditions of Gebugan Nature Reserve are suitable for orchid. The novelty of the research is providing a new data base of orchid in the Gebugan Nature Reserve. The result of the study would be beneficial for developing strategy of genetic conservation of orchird germplasm.
Highlights
Orchids are one of the largest and most diverse flowering plant families, and are widespread throughout the world except in dry and cold regions
Orchids Diversity Based on the research that has been conducted in the Gebugan Nature Reserve, as many as 12 species included in the 8 genera were found
Based on the results obtained, epiphytic orchids were found consisting of genus Liparis, Pholidota, Coelogyne, Bulbophyllum, Eria, Phreatia, Dendrochilum, Dendrobium, Ceratostylis and Micropera
Summary
Orchids are one of the largest and most diverse flowering plant families, and are widespread throughout the world except in dry and cold regions. The shape and color of orchids and other unique characteristics become the main attraction,so many people are interested to collect orchids as ornamental plants. This great potential is a distinct advantage for our country, but it is a challenge to maintain, manage and preserve it. The area of Gebugan Nature Reserve, Semarang is about 1.8 Ha. The area of Gebugan Nature Reserve, Semarang is about 1.8 Ha It is located on the slopes of Mount Ungaran with the altitude of about 1,050 meters above sea level with hilly and bumpy topography. The average rainfall is 2,000 mm / year with temperatures between 18 - 26.8°C The type of its ecosystem is highland tropical rain forest (BKSDA Jawa Tengah, 2009)
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