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Correlation Of Oil Content and Epiphytic Diatom Density in seagrasses Leaves Enhalus acoroides in Rupat Utara Waters Bengkalis Distric Riau Province Adi Maulana; Yusni Ikhwan; Irvina Nurrachmi
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

This study were conducted in survey method. Four stations were established with three replication of each sampling station. It revealed that oil content in water ranged from (0.4391 – 0.7973) ppm. The highest epiphytic diatom density on the seagrass leaves oppeared in station 4 which accounted 366 ind/cm2, while the lowest 132 ind/cm2 found in station 2. During the study, epiphytic diatom species most commonly found are Isthmia sp, Navicula sp, Skeletonema sp, Ulothrix sp, dan Synedra sp. Statistical analysis showed the oil content and epiphytic diatom density correlation were weak with coefficient of (0.05)Key words : Rupat Utara Water, Oil Content, Epiphytic Diatom
Sosialisasi Bencana Geologi dan Mitigasinya di Sekolah Dasar Islam Terpadu (SDIT) Ar-Rahmah Makassar Meutia Farida; Ilham Alimuddin; Adi Maulana; Ulva Ria Irfan; Asri Jaya; Sultan -; Kaharuddin -; Agustinus -
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 2 No 2 (2019): Aplikasi Teknologi untuk Hidup Masyarakat yang Lebih Baik
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (968.391 KB) | DOI: 10.25042/jurnal_tepat.v2i2.83

Abstract

Disaster-prone conditions in Indonesia cause a large number of impacts experienced such as casualties, damage to infrastructure and other vital facilities. With this impact, people's knowledge and understanding of geological natural disasters and mitigation efforts need to be educated early on. Mitigation is a series of activities carried out to reduce disaster risk and is included in the initial stages of natural disaster management. Of course the activity of providing geological disaster information and its mitigation is one of our responsibilities as geologists in academia to provide knowledge and understanding to the community, and one of the targets is early childhood or elementary school students. The output of this activity is to increase the capacity of the community, especially elementary school students, to understand early on the importance of disaster mitigation in efforts to reduce or minimize losses due to geological disasters. This activity was carried out by lecturing and simulation methods of a number of geological disaster events, the introduction of prepared disaster bags including the introduction of K3 (Occupational, Safety and Health).
Implementasi Student Centered Learning (SCL) Materi Olimpiade Sains Nasional (OSN) Kebumian Di SMA Negeri 8 Gowa, Sulawesi Selatan Ulva Ria Irvan; Ilham Alimuddin; Meutia Farida; Adi Maulana; Asri Jaya; Haerany Sirajuddin; Adi Tonggiroh; Busthan Azikin; Sahabuddin -
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 2 No 2 (2019): Aplikasi Teknologi untuk Hidup Masyarakat yang Lebih Baik
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (676.305 KB) | DOI: 10.25042/jurnal_tepat.v2i2.89

Abstract

The development of scientific subjects in geography at the secondary school level has an impact on knowledge about geology, including rocks and their formation processes, the origin of the earth, to how to plan urban planning in a geographic information system. Geography books generally refer to the international earth science curriculum, making it very difficult for high school students to understand it. The main problem revealed by teachers and students who are interested in OSN in the field of earth is that the material being contested is quite complex. The basic problems of geology, spatial planning and disaster become national and even global issues. Through the Community Service Program activities, the Faculty of Engineering in this case is represented by a team of lecturers from the Geological Engineering Study Program offering Student Centered Learning methods to facilitate understanding of the National Science Olympiad material in the field of Earth Sciences. Besides that, it can also motivate and competitiveness to take part in competitions, especially for students of SMA Negeri 8 Gowa. The purpose of community service activities is to: a) Provide basic geological knowledge as part of earth science; b) Providing knowledge of Indonesian geology; c) Provide material tested in the national earth science olympiad; d) Provide the practice of identifying minerals and rocks, geological structures, fossils, and topographic map readings.
Sosialisasi Pemanfaatan Air Tanah Untuk Lahan Pertanian dengan Metode JIAT Daerah Pallantikang, Kabupaten Bantaeng Adi Tonggiroh; Bahrul Hidayah; Baso rezki maulana; Adi Maulana; andi muhammad imran; Asri jaya; Meutia Farida; Jamal Rauf Husein; Rohaya Langkoke; Ratna Husain; Sultan -; Hendra Pachri; Syafruddin -; Muhammad Sulhuzair Burhanuddin
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 3 No 2 (2020): Penguatan Aplikasi Teknologi untuk Masyarakat pada Masa Pandemi
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v3i2.142

Abstract

Water as a natural resource is the most important part for humans to continue their life. One example of the vital role of water resources for human activities is to fulfill food through agriculture and plantations. The availability of water needs for agricultural productivity is certainly an important study to maintain supply capacity and avoid crises in agricultural and plantation foodstuffs. As mandated by the Water Resources Law, the utilization of water resources is aimed at sustainably utilizing water resources by prioritizing the fulfillment of the basic needs of the community fairly. For the sake of the continuity of human life, water resources must be managed properly by paying attention to and protecting the environment. Almost not all the agricultural and plantation areas in the Planting area have irrigation channels that utilize surface water. Consequently, agricultural production does not reach maximum results, because its water needs are very dependent on rainwater. On the other hand, even though there is an irrigation network, there are areas where the availability of water is not sufficient, so that farming activities of farmers cannot get maximum results. This limitation causes farmers to depend on surface water supply, especially during the rainy season so that problems such as prolonged drought can have fatal consequences. One of the efforts to improve agricultural irrigation is to create a groundwater irrigation network by taking water from bore wells.
KONTROL SELEKTIFITAS KATALIS ALLOY DUA LOGAM Ni-Ag PADA HIDROGENASI FURFURAL MENJADI FURFURIL ALKOHOL DAN TETRAHIDROFURFURIL ALKOHOL Rodiansono Rodiansono; Maria Dewi Astuti; Uripto Trisno Santoso; Azidi Irwan; Dwi Rasy Mujiyanti; Risnu Aritofa; Karlini Karlini; Abdurahman Abdurahman; Adi Maulana
Jurnal Sains dan Terapan Kimia Vol 12, No 2 (2018)
Publisher : Program Studi Kimia, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (364.15 KB) | DOI: 10.20527/jstk.v12i2.4822

Abstract

Kontrol selektifitas katalis alloy dua logam Ni-Ag ruah dan terembankan telah diselidiki secara sistematik dengan cara mengevaluasi pengaruh variasi rasio molar Ni/Ag, temperatur hidrotermal, waktu hidrotermal, dan pemilihan padatan pengemban yang sesuai dalam reaksi hidrogenasi selektif furfural. Rasio molar divariasi dari 0,75; 1,5; 2,0; dan 3;0, variasi temperatur hidrotermal dari 373 K, 423 K, dan 473 K selama 24 jam, sedangkan waktu hidrotermal divariasi dari 2-8 jam pada temperatur hidrotermal 523 K. Empat jenis padatan pengemban yang berbeda yaitu titanium oksida (TiO2), karbon aktif (C), gamma-alumina (g-Al2O3), dan aluminium hidroksida (AlOH) telah digunakan untuk katalis alloy Ni-Ag(3.0). Katalis Ni-Ag dengan rasio molar Ni/Ag = 1,5 dan 3,0 memiliki aktifitas dan selektifitas yang paling baik dalam reaksi hidrogenasi furfural menjadi furfuril alkoho dan tetrahidrofurfuril alkohol. Kenaikan temperatur hidrotermal dalam proses sintesis katalis Ni-Ag dan perubahan waktu hidrotermal untuk temperatur 523 K tidak secara signifikan meningkatkan kinerja katalis Ni-Ag(1,5) untuk reaksi yang sama. Katalis Ni-Ag(3.0) yang termbankan pada TiO2 memiliki aktifitas dan selektifitas yang superior dibandingkan dengan ruah dan pengemban yang lain.
Pengaruh Biaya Promosi Dan Biaya Produksi Terhadap Volume Penjualan Al-Galla Industries Periode Januari 2019- Desember 2021 Adi Maulana; Ari Arisman; Depy Muhamad Pauzy
Ebisnis Manajemen Vol. 1 No. 3 (2023): September : Ebisnis Manajemen
Publisher : Fakultas Ekonomi & Bisnis, Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59603/ebisman.v1i3.77

Abstract

This study aims to determine the effect simultaneously and partially the effect of promotional costs and production costs on AL-Galla Industries Sales Volume for the period January 2019- Desember 2021 Tasikmalaya. The research method used in this research is quantitative analysis method with a case study approach. Data collected in the form of secondary and primary data. The data analysis in this study used Multiple Regression Analysis using SPSS version 25 software. The results showed that Promotion Costs and Production Costs had a simultaneous influence on AL-Galla Industries Sales Volume. Promotion costs have a partial effect on AL-Galla Industries. Production costs partially AL-Galla Industries Sales Volume
PKM Community Partnership Program: Strengthening the Capacity of the Salenrang Village Community, in Optimizing the Management of Geopark Area Geotheritage, Maros Regency South Sulawesi Province Haerany Sirajuddin; Hendra Pachri; A. M. Imran; Jamal Rauf Husain; Rohaya Langkoke; Ratna Husain; Meutia Farida; Adi Maulana; Sultan .; Agustinus .; Meinarni Thamrin; Safruddim .; Bahrul Hidayah; Muh. Fajrin; Muh. Zulfahmi Azrul; Nurul Ikhsan
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 7 No 1 (2024): Community Development
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v7i1.372

Abstract

Indonesia is a country that has many islands and is rich in tourist destinations such as natural tourism, history, religion, culture, and so on. This attracts foreign tourists to visit or travel to Indonesia. One of the leading destinations in South Sulawesi which attracts foreign and domestic tourists is the Rammang-Rammang Karst in Maros which is known as the largest karst in Indonesia and is also a Global Karst Geopark Area approved by UNESCO. Rammang-Rammang Karst is an area that has a unique panorama, namely the type of karst, namely, tower karst with the natural landscape shape (geomorphology) of the Maros-Pangkep Karst area. Increasing the capacity of the Salenrang Village community is urgently needed so that the dissemination of geology-based information is more optimal. Therefore, the Department of Geological Engineering, Faculty of Engineering, Hasanuddin University, in collaboration with the Salenrang Village Government, organized a Laboratory Based Education (LBE) Service to increase the capacity of the people of Salenrang Village, Maros Regency. The methods used in this LBE event are observation, socialization and presenting information on tourist destinations through pamphlets and brochures. The observation method is carried out with the aim of systematically obtaining data on objects that will be socialized at the LBE service location in detail. Socialization was carried out to the Salenrang Village community about the tourism potential and geological conditions of the Rammang – Rammang Karst by distributing brochures and pamphlets to the Salenrang Village community in the LBE event area. Based on the results of the questionnaire, around 63% of visitors understand geological information in the tourist area, making it a challenge to disseminate better information. Through this LBE event, the people of Salenrang Village have proven that scientific information related to geological characteristics is very helpful in managing the geoheritage of the Rammang Rammang Area so that the increase in visitors will increase.
Pengenalan Cagar Geologi Dalam Upaya Pelestariannya Sebagai Salah Satu Aspek Geoheritage Daerah Mangilu Kabupaten Pangkep Haerany Sirajuddin; Hendra Pachri; Adi Tonggiroh; Rohaya Langkoke; Adi Maulana; Musri Mawaleda; Safri Burhanuddin; Hamid Umar; Ilham Alimu ddin; Yanny .; Savira Aulia; Hardiani Rantetondok
JURNAL TEPAT : Teknologi Terapan untuk Pengabdian Masyarakat Vol 9 No 1 (2026): Environmental-based Awareness for Agile Community Strength
Publisher : Faculty of Engineering UNHAS

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25042/jurnal_tepat.v9i1.670

Abstract

This community service activity aims to inventory aspects of the Mangilu geological reserve through field observations, as well as increase public awareness of the concept of geological reserves, the importance of geoheritage, and sustainable participatory preservation strategies, as well as foster a sense of pride and ownership in the community towards their local geological wealth. The implementation method includes field observations to obtain initial data on the geological reserve to be socialized. The socialization process uses an interactive presentation method that explains the area's geological potential, its benefits to the community, and sustainable conservation measures. The inventory results show that the Mangilu area has extraordinary geological diversity with unique characteristics with very diverse rock components from various origins and formation periods, including outcrops of autoclastic breccia and altered kaolin from the Mallawa Sandstone, several outcrops of autoclastic breccia containing serpentinite blocks, broken and deformed chert, marble blocks and pillow lava, Tonasa limestone with boudin (pinch and swell) structure and basalt dikes intruding hyaloclastic rocks. This is clear evidence of the intensive tectonic processes of the Bantimala Complex. This geological diversity makes Mangilu have high potential to be developed as a geological reserve and geoheritage that is valuable as a source of knowledge for further geological research, a valuable learning object, and an educational tool. The socialization activity in the form of an interactive presentation delivered successfully increased public understanding and awareness of the concept of geological reserves, where before the socialization was carried out, 15% showed very understanding, 19% understood, 35% did not understand, and 31% did not understand. After the socialization activity, there was an increase in understanding to very understanding 49%, understanding 28%, not understanding 18% and not understanding 5%. Keywords: Geological Reserve; Mangilu Area; Conservation; Geoheritage