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All Journal Jurnal Biologi Tropis Journal of Industrial Engineering & Management Research (JIEMAR)
Arjuna, La Ode
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Economics, Econometrics & Finance Education Immunology & microbiology Industrial & Manufacturing Engineering

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Study of Forest Floor Plant Diversity as an Indicator of Ecosystem Stability on Molosing Island, Bolaang Mongondow Regency Ramadhan, Agung; Mokoginta, Agustinus; Arjuna, La Ode
Jurnal Biologi Tropis Vol. 24 No. 4 (2024): Oktober - Desember
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i4.7654

Abstract

The development plan of the Bolaang Mongondow area into a new Province (Bolaang Mongondow Raya) has caused many investors to flock to the Bolaang Mongondow area, especially in Bolaang Mongondow Regency which is currently the Capital of the Regency, relying on economic growth through the industrial sector as its center will be accompanied by a decline in environmental quality because of waste products (waste) produced by the industry if not managed by the environmental impact analysis. This study aims to determine the diversity of forest floor plants as an indicator of ecosystem stability on Molosing Island, Bolaang Mongondow Regency. Data collection uses the relieve technique survey method where the plot is placed using random sampling. The results of this study will be a benchmark for the initial condition of the ecosystem in Bolaang Mongondow before the Mongondow industrial area operates. The results showed that there were 12 species of forest floor plants and a total number of individuals of 6182 individuals observed through 4 observation stations. The total value of the diversity index of Molosing Island, Bolaang Mongondow Regency is 2.473 when referring to the diversity index benchmark in the range of H'=> 1<3 which indicates that the level of diversity of forest floor plants on Molosing Island, Bolaang Mongondow Regency is in the moderate category.
PENGARUH KONDISI GEOGRAFIS INDONESIA TERHADAP EFEKTIFITAS OPERASI PERTAHANAN PANTAI PASUKAN MARINIR Arjuna, La Ode; Zahari, Abdul Kadir Mulku; Pardede, Richard Martogi
Journal of Industrial Engineering & Management Research Vol. 6 No. 5 (2025): October 2025
Publisher : AGUSPATI Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.7777/jiemar.v6i5.645

Abstract

Indonesia sebagai negara kepulauan dengan garis pantai sepanjang 108.000 km memiliki tantangan strategis dalam mempertahankan kedaulatan wilayah laut. Kondisi geografis yang kompleks, termasuk keberadaan pulau terluar, variasi topografi pantai, dan dinamika cuaca serta gelombang laut, menuntut Pasukan Marinir memiliki strategi operasi pertahanan pantai yang adaptif dan efektif. Penelitian ini bertujuan untuk menganalisis pengaruh kondisi geografis terhadap efektivitas operasi pertahanan pantai Pasukan Marinir. Metode penelitian menggunakan quantitative research dengan jumlah responden 50 personel Marinir yang memiliki pengalaman langsung dalam operasi pantai. Data diperoleh melalui kuesioner skala Likert dan studi dokumentasi, kemudian dianalisis menggunakan uji validitas, reliabilitas, regresi linier sederhana, serta uji t dan F. Hasil penelitian menunjukkan bahwa seluruh indikator valid dan reliabel, koefisien regresi B=0,658, t-hitung=7,39>t-tabel=2,011 (p=0,000), dan F-hitung=54,62>F-tabel=4,04 (p=0,000). Koefisien determinasi R²=0,549 menunjukkan bahwa 54,9% variasi efektivitas operasi pertahanan pantai dapat dijelaskan oleh kondisi geografis. Temuan ini menegaskan bahwa karakteristik geografis Indonesia merupakan determinan utama keberhasilan operasi pertahanan pantai dan menjadi dasar strategis bagi perencanaan doktrin, taktik, dan kebijakan pertahanan maritim.
Co-Authors Mokoginta, Agustinus Pardede, Richard Martogi Ramadhan, Agung Zahari, Abdul Kadir Mulku