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All Journal MANAJEMEN HUTAN TROPIKA Journal of Tropical Forest Management Jurnal Kimia Terapan Indonesia COJ (Coastal and Ocean Journal)
Agus Soleh
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Environmental Science Materials Science & Nanotechnology Social Sciences

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Directives for Mangrove Forest and Coastal Forest Rehabilitation in Earthquake and Tsunami Disaster Area in the Provinces of Manggroe Aceh Darussalam and Sumatera Utara (Nias Island), Indonesia Cecep Kusmana; Sambas Basuki; Sri Wilarso; Iin Ichwandi; Oteng Haridjaja; Agus Soleh; S Samsuri
Jurnal Manajemen Hutan Tropika Vol. 11 No. 2 (2005)
Publisher : Institut Pertanian Bogor (IPB University)

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (210.4 KB)

Abstract

Peristiwa gempa bumi dan tsunami yang melanda Nanggroe Aceh Darussalam (NAD) dan Pulau Nias Sumatera Utara pada bulan Desember 2004 telah mengakibatkan rusaknya sebagian besar hutan mangrove dan hutan pantai di kedua wilayah tersebut. Berhubung kedua tipe hutan tersebut sangat penting untuk menopang kelangsungan hidup penduduk pantai, maka penelitian ini dilakukan untuk mendapatkan arahan rehabilitasi hutan mangrove dan pantai yang rusak akibat tsunami di NAD dan Pulau Nias. Hasil penelitian menunjukkan bahwa wilayah pantai yang tanahnya berupa tanah mineral yang bukan lumpur dengan salinitas yang tinggi (di atas 10 0/00) seyogyanya ditanami oleh jenis mangrove eklusif (Rhizophora stylosa, R. apiculata, Sonneratia alba, Ceriops tagal dan Aegeciros floridum) dan mangrove asosiat (Osbornea octodonta dan Scyphiphora sp.), tanah bukan lumpur dengan salinitas rendah oleh berbagai jenis pohon hutan pantai (Casuarina equisetifolia, dan lain-lain), tanah lumpur bersalinitas tinggi oleh Avicenia spp. dan R. Mucronata; dan tanah gambut seyogyanya ditanami oleh Bruguiera gymnorrizha. Adapun lebar  jalur hijau vegetasi yang disarankan adalah minimal 225 m untuk wilayah NAD dan 211 m untuk wilayah pulau Nias. Untuk merealisasikan kegiatan rehabilitasi vegetasi pantai yang bersifat multitahun di NAD dan Nias maka kegiatan rehabilitasi tersebut harus ditempatkan dalam rangka pembangunan daerah.
Use of Mg-Al/hydrotalcite Catalyst in Biodiesel Production from Avocado Seed Oils: A Preliminary Study Irvan Maulana Firdaus; Tri Fitriany; Milda Nurul Hidayah; Agus Soleh; Khilman Husna Pratama; Febiyanto Febiyanto
Jurnal Kimia Terapan Indonesia Vol 21, No 1 (2019)
Publisher : Research Center for Chemistry - LIPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (42.884 KB) | DOI: 10.14203/jkti.v21i1.422

Abstract

Biodiesel production of avocado seed oils has been carried out using the heterogeneous catalyst of Mg-Al/hydrotalcite. Transesterification process was conducted by varying temperature reaction and  oil-methanol molar ratio. The reaction temperature was 30, 40, 50, and 60°C, whereas the oil-methanol molar ratio was 1:3, 1:6, 1:9, and 1:12, respectively. As-synthesized Mg-Al/hydrotalcite catalyst was characterized using X-ray diffraction and FTIR. Meanwhile, the biodiesel was analyzed their density, viscosity, water content and 1H-NMR analysis. The results showed that optimum condition in biodiesel production was  oil-methanol molar ratio of 1:6 at a reaction temperature of 60°C for 60 minutes and catalyst quantity of 2% yielding biodiesel conversion percentage was approximately 15.90%. However, this preliminary findings showed that Mg-Al/hydrotalcite was able to convert the avocado seed oils into biodiesel even if still need further analysis and research so that produces a higher percentage of biodiesel conversion.
READINESS IMPLEMENTATION OF SMART PORT IN INDONESIA Roni Alfiansyah Ritonga; Nurdin Ahmadi; Tridoyo Kusumastanto; Ruddy Suwandi; Sri Rahardjo Suwito; Sinta Hasriningtyas; Heru Arafat; Agus Soleh
Coastal and Ocean Journal (COJ) Vol 6 No 1 (2022): COJ (Coastal and Ocean Journal)
Publisher : Pusat Kajian Sumberdaya Pesisir dan Lautan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/COJ.6.1.8-23

Abstract

The logistics system in Indonesia is faced with the problem of high logistics costs, which is 24% of GDP, with a logistic performance index (LPI) in 2018 of 3.15 from a scale of 1-5 (World Bank, 2021). Therefore, the port sector as one of the logistics node points continues to make improvements, one of which is the application of digitization. The process of implementing digitization has begun at each port and nationally with inaportnet, simlala, simpadu and the national logistics ecosystem (NLE), this research was carried out using the perception survey method for all Indonesian Port Expert training participants. The 32nd batch of 2020, with questions referring to the Digital Readiness Index for Ports (DRIP) assessment criteria developed by Connect2SmallPorts. From the results of this study, it was found that the respondents stated that the readiness of port digitization was at a sufficient level with a score of 3.9 from a scale of 1-6. Of the 4 (four) aspects assessed, namely (1) human resource management, (2) the level of usefulness/functionality of information technology (IT) at the port, (3) the level of use of IT at the port and (4) the level of use of IT information resources/ port digitalization, the human resources (HR) aspect has the lowest score of 3.6 which is at a sufficient level. This shows the need for efforts from us together to encourage an increase both in terms of the number and quality of human resources with IT/digitalization capabilities at ports.
Co-Authors Febiyanto Febiyanto Heru Arafat Iin Ichwandi Irvan Maulana Firdaus Khilman Husna Pratama Milda Nurul Hidayah Nurdin Ahmadi Oteng Haridjaja Roni Alfiansyah Ritonga Ruddy Suwandi S Samsuri Sambas Basuki Sinta Hasriningtyas Sri Rahardjo Suwito Sri Wilarso Tri Fitriany Tridoyo Kusumastanto