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Euis F. Pangemanan
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Agriculture, Biological Sciences & Forestry

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KETERKAITAN RUANG TERBUKA HIJAU DENGAN KEBUTUHAN OKSIGEN DI KOTA MANADO Orlando Suryadinata; Martina A. Langi; Euis F. Pangemanan
COCOS Vol. 11 No. 4 (2019): EDISI OKTOBER-DESEMBER 2019
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v4i4.29964

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ABSTRACT Increasing population growth has resulted in the development of cities as centers of activity demanded to accommodate community needs. The physical development of cities is often inseparable from changing the natural landscape and spatial planning resulting in a decrease in carrying capacity and environmental services. Land limitations and spatial planning are increasingly becoming important steps to improve environmental quality, one of its efforts is by building green open spaces. Based on the results of previous studies, this study aims to determine the possibility of increasing the need for an area of green open space in the city of Manado in 2020. The results showed that the need for Green Open Space (RTH) in the city of Manado experienced an increase in 2020 to 9,364.82 ha. Keywords: green open space, oxygen demand, Manado City
INVENTARISASI ANGGREK HUTAN DI TAHURA GUNUNG TUMPA Efendy Renaldo Karoy; Reynold P. Kainde; Euis F. Pangemanan
COCOS Vol. 14 No. 4 (2022): EDISI OKTOBER-DESEMBER 2022
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/cocos.v1i1.38918

Abstract

ABSTRACT Taxonomically, orchids belong to the Orchidaceae family, one of the taxa with the most species and habitat diversity. In Indonesia there are about 6,000 species of orchids or about 23% of the 26,000 species of orchids in the world. This study aims to conduct an inventory of forest orchid species and analyze the diversity index of orchid species in the nature conservation area of TAHURA Gunung Tumpa. This research was carried out in May 2021. Data collection was carried out using an exploratory method by following 8 transect lines based on the 8 cardinal directions. Data collection for orchids was carried out from morning to evening at 07:00 - 16:00 WITA. The resulting inventory of forest orchid species in TAHURA Gunung Tumpa found 184 individuals consisting of 8 orchid species. There were 3 terrestrial orchids (Nervilia aragoana, Calanthe triplicata, Eulophia spectabilis) and 5 epiphytic orchids (Phalaenopsis amabilis, Pholidota imbricata, Dendrobium sp, Diplocaulobium sp, Eria iridifolia). The orchid species diversity index at TAHURA Gunung Tumpa falls in the medium category with a value of H' = 1.29
Co-Authors Efendy Renaldo Karoy Martina A. Langi Orlando Suryadinata Reynold P. Kainde