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STUDI ZONASI VEGETASI MANGROVE MUARA DI DESA UMBELE KECAMATAN BUMI RAYA KABUPATEN MOROWALI SULAWESI TENGAH Samsumarlin, Samsumarlin; Rachman, Imran; Toknok, Bau
Jurnal Warta Rimba Vol 3, No 2 (2015)
Publisher : Universitas Tadulako

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Abstract

The size of mangrove forest located in Bumi Raya Sub District, Morowali, Central Sulawesi is estimated to be about 9.8 ha. Research aimed at observing the mangrove vegetation zonation along with environmental condition parameter was conducted and taking place in Umbele Village. Primary and secondary data were collected. Primary data covered aspects such as species and number of individuals along with various parameters including salinity, acidity, soil textures, dissolved sulphate, tides on every observation station. Secondary data were collected from literature studies both in university and public libraries. The results of the study shows that there are about 17 mangrove species within 10 families located as rear zone. Parameter found to influence the existence of the mangrove are muddy and sandy soil as well as debrised muddy soil with pH ranging from 36 to 7.8. Meanwhile, salinity was recorded to range from 1.1 to 2.90 with tidal fluctuation from (0-13) cm to (13-220) cm. Key Words : Zonation, Vegetation, Mangrove.
SEGITIGA DAN SEGIEMPAT PADA GEOMETRI DATAR EUCLID CEVIAN SEGITIGA DAN SEGIEMPAT SIKLIK SAMSUMARLIN, SAMSUMARLIN
Edumaspul: Jurnal Pendidikan Vol 1 No 1 (2017): Edumaspul
Publisher : STKIP Muhammadiyah Enrekang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1010.96 KB) | DOI: 10.33487/edumaspul.v1i1.36

Abstract

Geometri Euclidean adalah sistem matematika yang dikaitkan dengan Euclid, matematikawan dari Alexandria Yunani, yang dijelaskan dalam buku teksnya pada geometri: The Elemen. Perkembangan geometri yang membuat kajiannya lebih mendalam, mengakibatkan materi geometri sulit diajarkan seluruhnya pada tingkat sekolah menegah. Tulisan ini khusus membahas mengenai beberapa teorema terkait “cevian pada segitiga serta segiempat siklik” dan disajikan secara deduktif.