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All Journal HAYATI Journal of Biosciences Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan Jurnal MIPA dan Pembelajarannya
Siswahyudi, Dwi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Energy Immunology & microbiology Materials Science & Nanotechnology Mathematics

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Pemberdayaan Masyarakat Dalam Pengelolahan Sampah di Desa Sidodadi Kecamatan Ngantang Kabupaten Malang Siswahyudi, Dwi; Aris Ichwanto, Muhammad; Ayu Kusuma Dewi, Vita; Pranoto, Pranoto; Andyko, Mohammad; Galih Syahdandi, Alviando
Jurnal MIPA dan Pembelajarannya Vol. 3 No. 3 (2023): Maret
Publisher : Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/um067v3i32023p100-107

Abstract

Sampah masih menjadi permasalahan yang sangat kompleks. semakin meningkatnya jumlah penduduk berbanding lurus dengan semakin meningkatnya timbulan sampah selain itu sampah kerap menjadi masalah terutama di daerah-daerah yang mengalami pertumbuhan penduduk, sampah dituding sebagai biang keladi kerusakan lingkungan dan berbagai sumber penyakit. Kebanyakan berupa sampah plastik dan streofrom, padahal kedua jenis sampah ini sulit untuk terurai. Sehingga tujuan kegiatan Pengabdian kepada Masyarakat ini adalah untuk pemberdayaan masyarakat dalam mengolah sampah rumah tangga yang berkelanjutan sehingga tidak terbuang di TPA. Kegiatan Pengabdian kepada Masyarakat ini dilakukan di Balai Desa Soidodadi Kecamatan Ngantang dan di Lokasi TPA Desa siodadi. Hasil kegiatan pengabdian kepada masyakarat adalah masyarakat dapat membedakan sampah yang organic dan anorganik. Saran yang diharapkan dari kegiatan ini adalah masyarakat dapat menerapkan pengolahan sampah rumah tangga melalui 3R serta pembuatan kompos ini secara berkesinambungan dan hasil komposnya dapat dimanfaatkan kembali untuk pupuk tanaman.
A Kinetic Approach for Employing Two Duckweed Species, Lemna minor, and Spirodela polyrhiza, in the Sustainable Aquaculture Wastewater Treatment and Fish Feed Production Rifai, Ridwan Muhamad; Yulistyorini, Anie; Siswahyudi, Dwi; Pratiwi, Jenvia Rista; Fauzi, Ichsan Achmad; Rachminiwati, Nina
HAYATI Journal of Biosciences Vol. 31 No. 6 (2024): November 2024
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.31.6.1223-1230

Abstract

Duckweed, a widely used natural fish feed, has also become more popular as the phytoremediation agent for wastewater, including one sourced from aquaculture. These two features indicate that duckweed can be utilized in a sustainable aquaculture system by treating and reclaiming nutrients from wastewater and then harvesting them for fish feed production. Hence, this study attempted to assess the approach of the two most known duckweed species, i.e., Lemna minor and Spirodela polyrhiza, in depleting NH4 and PO4 from synthetic controlled aquaculture wastewater as well as to understand their yield based on the N : P ratio. Cultivation in synthetic aquaculture wastewater media was carried out, followed by nutrient uptake and growth analysis. According to statistical analysis, both L. minor and S. polyrhiza could remove NH4 and PO4 with a relatively equal rate (p-val > 0.050). Nonetheless, both duckweed species absorb nitrogen more easily than phosphorous (p-val < 0.050). Considering the yield based on nutrient uptake, NH4 drove a more efficient yield for L. minor to S. polyrhiza at 16.70 g dry biomass/g NH4 and 14.14 g dry biomass/g NH4, respectively. Meanwhile, a higher yield was observed on S. polyrhiza than on L. minor regarding PO4 concentration, at 19.31 g dry biomass/g PO4 and 9.10 g dry biomass/g PO4, respectively. Therefore, a strategy to remove nutrients and produce biomass for fish feed can be formulated based on the N : P concentration ratio, where L. minor tends to produce biomass more rapidly in a higher N : P ratio, whereas S. polyrhiza works in the opposite.
Virtual Reality-Based Learning Performance in Civil Engineering Education Kuncoro, Tri; Siswahyudi, Dwi; Hammad, Jehad A.H
Jurnal Pendidikan: Teori, Penelitian, dan Pengembangan Vol 9, No 3: MARCH 2024
Publisher : Graduate School of Universitas Negeri Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17977/jptpp.v9i3.25335

Abstract

This research aims to create virtual reality (VR) based learning media for build-ing construction courses and assess how effective it is in improving students' understanding. VR can create an immersive and interactive simulated environ-ment that allows students to learn complex concepts visually and practically. This is the reason why VR is the chosen option. The development processes used were needs analysis, design, development, testing, and evaluation. The final product is a VR application that allows students to interact with building models in three dimensions, perform construction simulations, and better un-derstand various aspects of construction. The results show that virtual reality significantly positively affects the learning process. Students who used virtual reality showed significant improvements in concept understanding, practical skills, and desire to learn. They also expressed positive feedback on the ease of use of virtual reality and its benefits for learning. Conclusion: This research shows that virtual reality has an enormous capacity to improve the quality of construction education. It is recommended that virtual reality be further incor-porated into the civil engineering education curriculum because providing a more engaging and effective learning experience can overcome some of the barriers in conventional learning, such as time and facility limitations.
Co-Authors Andyko, Mohammad Anie Yulistyorini Galih Syahdandi, Alviando Hammad, Jehad A.H Ichsan Achmad Fauzi Jenvia Rista Pratiwi Muhammad Aris Ichwanto Pranoto Pranoto Rachminiwati, Nina Ridwan Muhamad Rifai Tri Kuncoro Vita Ayu Kusuma Dewi