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All Journal Research Journal of Life Science Nozel : Jurnal Pendididikan Teknik Mesin
Fikri, Maulana
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology

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Density and Biomass of Seagrass Beds and Its Threats on Lamongan Regency Dewi, Citra Satrya Utama; Yona, Defri; Samuel, Pratama Diffi; Maulidiyah, Rizqi Aimmatul; Syahrir, Ahdiya; Putri, Yandini Eka; Rakhmawan, Hilal; Fikri, Maulana
Research Journal of Life Science Vol 7, No 3 (2020)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rjls.2020.007.03.9

Abstract

This study aims to determine the density of seagrass species, seagrass biomass, and threats faced by seagrass communities in the Coastal District of Lamongan. The study was conducted in August to November 2019 in three coastal villages of Lamongan Regency, namely Tunggul Village (Station 1), Kranji (Station 2), and Banjarwati (Station 3). The stages of the study consisted of: preparation, data collection on density, threat data and seagrass stand samples, sample processing, and data analysis. The results showed that the total density of seagrass species at Stations 1, 2 and 3 was 160 stands / m2; 172 stands / m2; and 185 stands / m2. Furthermore, the total biomass of seagrass at Stations 1, 2 and 3 was 4633 gbk / m2, 2136 gbk / m2, and 9234 gbk / m2. In addition to seagrass species, seagrass density values also affect seagrass biomass. As development progresses in Lamongan Regency, it is known that the biggest threat of seagrass communities in the study site is human activity (anthropogenic), among others: anchor ships when anchored and the use of coastal areas as tourist areas, which often cleans up seagrass communities because they are deemed unfit to be enjoyed tourism sector.
Pengembangan Modul Praktikum Berbasis Projek Pabrikasi Komposit Dengan Metode Hand Lay Up Fikri, Maulana; Estriyanto, Yuyun; Wijayanto, Danar Susilo
Nozel : Jurnal Pendididikan Teknik Mesin Vol 3, No 4 (2021)
Publisher : Fakultas Keguruan dan Ilmu Pendidikan Universitas Sebelas Maret Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/nozel.v3i4.63122

Abstract

The purpose of this study is to develop composite learning practicum module based on project based learning at hand lay-up fabrication materials. This study means to fulfill the needs of composite subject at Mechanical Engineering Education Department in Faculty of Teacher Training and Education Sebelas Maret University. The method used in this study is the development based on the ADDIE (Analysis-Design-Development-Implement-Evaluate) model. Students of Mechanical Engineering Education Department are subject of this study. Questionnaire technique is used for Data collection. This method and technique are carried out to assess the development of composite practicum module content in terms of material, pedagogic, and language. Quantitative analysis techniques was conducted based on the the answers to the questionnaires. This study have an outcome to make even better composite practicum module with enhanced material, pictures, and evaluation. The rating score obtained from subject is 47,61 with very good criteria. The conclusions of this study are: (1) the development of composite learning practicum module based on project based learning has been done with eligibility standard. Therefore, it suitable as a guidebook for doing a proper composite practicum at Mechanical Engineering Education Department. (2) the developed composite learning practicum module has been done through FGD with lectures, then it being implemented on composite practicum activities, and it was rated by subject with average score 47,61 out of 52 that shows very good criteria. This developed practicum module is expected as a guidebook to help students doing proper composite practicum from preparation, analysis, self manufacturing, and able to improve abilities and skills.
Co-Authors Danar Susilo Wijayanto Defri Yona Dewi, Citra Satrya Utama Maulidiyah, Rizqi Aimmatul Putri, Yandini Eka Rakhmawan, Hilal Samuel, Pratama Diffi Syahrir, Ahdiya Yuyun Estriyanto