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All Journal Jurnal Biologi Tropis Pendas : Jurnah Ilmiah Pendidikan Dasar ACADEMIA: Jurnal Inovasi Riset Akademik Jurnal Sains Natural
Nurwahdania, Nurwahdania
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Education Immunology & microbiology Mathematics Nursing Physics Public Health Other

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Analysis of Cadmium (Cd) Levels in Tilapia Fish (Oreochromis mossambicus) from Ponds in Palibelo Nurwahdania, Nurwahdania; Khairuddin, Khairuddin; Yamin, M.
Jurnal Biologi Tropis Vol. 24 No. 3 (2024): July - September
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.v24i3.7456

Abstract

Fish are oceanic biota that are frequently utilized as signs of weighty metal contamination in waters. The purpose of this study was to determine the levels of cadmium (Cd) in tilapia from ponds in Palibelo and whether or not it is safe for consumption based on the Regulation of the Food and Drug Supervisory Agency (BPOM) No. 9 of 2022 concerning Requirements for Heavy Metal Contamination in Processed Food. Sampling was carried out by purposive sampling, at each station two fish samples were taken using floating nets. Samples were analyzed at the Health Laboratory, Testing and Calibration Center (BLKPK) of NTB Province. Data analysis was carried out by taking body parts, namely tilapia meat, then analyzing cadmium (Cd) levels using AAS. The results showed that cadmium levels in tilapia were still below the standard quality standards ranging from 0.0033-0.0057 mg/kg, with an average cadmium of 0.00465 mg/kg. Cadmium comes from household waste and modern waste carried by river currents. Environmental factors obtained temperature, pH, and salinity are in ideal conditions for the life of Tilapia fish. The conclusion is that Tilapia fish from fish farming in Palibelo is still suitable for consumption because it is still below the standard quality of 0.30 mg/kg.
Analysis of Infiltration Rate in Community Forest Land (HKm) Wombo Rengge Kala, Dompu District, West Nusa Tenggara Nurwahdania, Nurwahdania; Ichsan, Andi Chairil; Wulandari, Febriana Tri
Jurnal Biologi Tropis Vol. 25 No. 1 (2025): Januari - Maret
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.v25i1.8442

Abstract

The amount of water that enters the soil per unit of time is known as the infiltration rate, whereas infiltration itself is the process by which water flows into the soil, typically via rainfall. The purpose of this study was to determine the infiltration rate and the impact of infiltration and to formulate community efforts to control infiltration in the Ampang Riwo community forest. Determination of the research sampling point using purposive sampling. This study used 4 infiltration rate test points and 4 samples were taken for soil samples, namely Vegetation is not dense, very steep land (V1L1), Vegetation is not dense, rather steep land (V1L2), Vegetation is dense, very steep land (V2L1), and Vegetation is dense, rather steep land (V2L2). Measurements were taken using a double ring infiltrometer. The results of the study showed that there were 3 plots that had a fairly fast classification but had different infiltration rate values. The first plot V1L1 which had an infiltration rate value of 150 cm/hour, the second plot V2L1 had an infiltration rate value of 108 cm/hour, In the third plot V2L2 had an infiltration rate value of 186 cm/hour, in the plot V1L2 had a fast infiltration classification, an infiltration rate value of 204 cm/hour. This study there were 12 respondents, namely farmers who had cultivated land. The characteristics of the respondents included age and education level. Based on the results of the study, the perception of cultivators regarding the infiltration rate was obtained with a total of 13 respondents for 10 questions, on average answering strongly agree and agree. For strongly agree 30.77% and 69.23% agreed.
ANALISIS PROBLEMATIKA PENERAPAN KURIKULUM MERDEKA BELAJAR PADA SEKOLAH DASAR GUGUS 1 DI KECAMATAN SELAPARANG KOTA MATARAM Nurwahdania, Nurwahdania; Karma, I Nyoman; Syazali, Muhammad
Pendas : Jurnal Ilmiah Pendidikan Dasar Vol. 9 No. 3 (2024): Volume 09 No. 03 September 2024.
Publisher : Program Studi Pendidikan Guru Sekolah Dasar FKIP Universitas Pasundan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23969/jp.v9i3.20347

Abstract

This research aims to describe teacher problems in implementing the Independent Learning Curriculum at Cluster 1 Elementary Schools in Selaparang District, Mataram City. The type of research used is descriptive research using a qualitative approach. The subjects in this research were class teachers who implemented the Merdeka Curriculum in each school at SD Gugus 1, Selaparang District, Mataram City. Data collection was carried out using interview techniques, questionnaires and documentation. The data analysis techniques used are data collection, data reduction, data presentation, conclusions and verification. Meanwhile, data validity testing was carried out using technical triangulation and source triangulation. The results of the research show that teachers' problems in implementing the Independent Learning Curriculum in planning, implementing and processing assessment/assessment results are difficulties in analyzing or understanding CP and its components, using a constructivist approach in preparing plans, compiling TP and ATP, determining models and approach methods in learning, preparing and developing teaching modules, using teaching modules prepared by the government, implementing differentiated learning, coordinating and organizing students, growing the Pancasila student profile in students, using media and learning resources, determining follow-up for students, lack of references and feedback from parents of students.
PENGARUH METODE PEMBELAJARAN GUIDED NOTE TAKING TERHADAP HASIL BELAJAR SISWA DI MA. MUHAMMADIYAH CAMBAJAWAYA Agung, Eka Adnan; Nurwahdania, Nurwahdania
ACADEMIA: Jurnal Inovasi Riset Akademik Vol. 6 No. 1 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/academia.v6i1.9520

Abstract

Teachers are required to deliver instructional content effectively to foster active student engagement in the learning process. The selection of appropriate instructional methods is therefore essential, as less engaging approaches may lead to decreased motivation and suboptimal learning outcomes. This study aimed to examine the effect of the guided note taking method on students’ learning outcomes at MA. Muhammadiyah Cambajawaya, Bontonompo Selatan District, Gowa Regency. The study employed a quasi-experimental research design involving students of class XI.B as research participants. Data were collected through learning achievement tests and analyzed using quantitative techniques. The results demonstrated a significant improvement in students’ learning outcomes following the implementation of the guided note taking method, both individually and classically. The t-test analysis revealed a significant difference between pretest and posttest scores. In addition, simple linear regression analysis indicated that the guided note taking method had a significant effect on students’ learning outcomes, as evidenced by the calculated F-value exceeding the critical F-value at the 0.05 significance level. These findings suggest that the guided note taking method is effective in enhancing students’ learning outcomes. ABSTRAKGuru dituntut mampu menyampaikan materi pembelajaran secara efektif agar siswa terlibat aktif dalam proses belajar. Pemilihan metode pembelajaran menjadi unsur penting karena metode yang kurang menarik dapat menimbulkan kebosanan, menurunkan motivasi belajar, dan berdampak pada rendahnya hasil belajar siswa. Permasalahan tersebut mendorong dilakukannya penelitian ini dengan menerapkan metode guided note taking sebagai alternatif pembelajaran yang berorientasi pada keaktifan siswa. Penelitian ini bertujuan untuk mengetahui pengaruh metode guided note taking terhadap hasil belajar siswa di MA. Muhammadiyah Cambajawaya, Kecamatan Bontonompo Selatan, Kabupaten Gowa. Penelitian ini menggunakan pendekatan eksperimen semu (quasi experimental research) dengan subjek siswa kelas XI.B. Data diperoleh melalui hasil tes belajar siswa yang dianalisis secara kuantitatif. Hasil penelitian menunjukkan adanya peningkatan hasil belajar siswa setelah penerapan metode guided note taking, baik secara individual maupun klasikal. Uji t menunjukkan perbedaan yang signifikan antara hasil pretest dan posttest. Selain itu, hasil analisis regresi linear sederhana menunjukkan bahwa metode guided note taking berpengaruh signifikan terhadap hasil belajar siswa, yang ditunjukkan oleh nilai F hitung lebih besar daripada F tabel pada taraf signifikansi 0,05. Dengan demikian, metode guided note taking terbukti efektif dalam meningkatkan hasil belajar siswa.
PENGARUH METODE PEMBELAJARAN GUIDED NOTE TAKING TERHADAP HASIL BELAJAR SISWA DI MA. MUHAMMADIYAH CAMBAJAWAYA Agung, Eka Adnan; Nurwahdania, Nurwahdania
ACADEMIA: Jurnal Inovasi Riset Akademik Vol. 6 No. 1 (2026)
Publisher : Pusat Pengembangan Pendidikan dan Penelitian Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51878/academia.v6i1.9520

Abstract

Teachers are required to deliver instructional content effectively to foster active student engagement in the learning process. The selection of appropriate instructional methods is therefore essential, as less engaging approaches may lead to decreased motivation and suboptimal learning outcomes. This study aimed to examine the effect of the guided note taking method on students’ learning outcomes at MA. Muhammadiyah Cambajawaya, Bontonompo Selatan District, Gowa Regency. The study employed a quasi-experimental research design involving students of class XI.B as research participants. Data were collected through learning achievement tests and analyzed using quantitative techniques. The results demonstrated a significant improvement in students’ learning outcomes following the implementation of the guided note taking method, both individually and classically. The t-test analysis revealed a significant difference between pretest and posttest scores. In addition, simple linear regression analysis indicated that the guided note taking method had a significant effect on students’ learning outcomes, as evidenced by the calculated F-value exceeding the critical F-value at the 0.05 significance level. These findings suggest that the guided note taking method is effective in enhancing students’ learning outcomes. ABSTRAKGuru dituntut mampu menyampaikan materi pembelajaran secara efektif agar siswa terlibat aktif dalam proses belajar. Pemilihan metode pembelajaran menjadi unsur penting karena metode yang kurang menarik dapat menimbulkan kebosanan, menurunkan motivasi belajar, dan berdampak pada rendahnya hasil belajar siswa. Permasalahan tersebut mendorong dilakukannya penelitian ini dengan menerapkan metode guided note taking sebagai alternatif pembelajaran yang berorientasi pada keaktifan siswa. Penelitian ini bertujuan untuk mengetahui pengaruh metode guided note taking terhadap hasil belajar siswa di MA. Muhammadiyah Cambajawaya, Kecamatan Bontonompo Selatan, Kabupaten Gowa. Penelitian ini menggunakan pendekatan eksperimen semu (quasi experimental research) dengan subjek siswa kelas XI.B. Data diperoleh melalui hasil tes belajar siswa yang dianalisis secara kuantitatif. Hasil penelitian menunjukkan adanya peningkatan hasil belajar siswa setelah penerapan metode guided note taking, baik secara individual maupun klasikal. Uji t menunjukkan perbedaan yang signifikan antara hasil pretest dan posttest. Selain itu, hasil analisis regresi linear sederhana menunjukkan bahwa metode guided note taking berpengaruh signifikan terhadap hasil belajar siswa, yang ditunjukkan oleh nilai F hitung lebih besar daripada F tabel pada taraf signifikansi 0,05. Dengan demikian, metode guided note taking terbukti efektif dalam meningkatkan hasil belajar siswa.
Profil Obesitas Remaja di Wilayah Perkotaan: Analisis Data Surveilans Kesehatan Kota Mataram Tahun 2025 Maulana, Ariyani Ayu; Sukma, Aisyah Ari; Lamanda, Januar Djulkarnain; Agung, Gede Murah; Mawaddah, Atika; Cyndyani, Wanda Ayu; Safitri, Murniati; Nurwahdania, Nurwahdania; Yofa, Tizar; Atfal, Bustanul; Ismatullah, Nurul Khatimah
Jurnal Sains Natural Vol. 4 No. 2 (2026): Agustus
Publisher : Puslitbang Sekawan Institute Nusa Tenggara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35746/jsn.v4i2.968

Abstract

Obesitas pada remaja merupakan masalah kesehatan masyarakat yang terus meningkat, terutama di wilayah perkotaan, dan berkontribusi terhadap meningkatnya risiko penyakit tidak menular di masa dewasa. Penelitian ini bertujuan untuk menganalisis distribusi obesitas remaja serta mengidentifikasi faktor risiko potensial di Kota Mataram menggunakan pendekatan biostatistik. Penelitian ini merupakan penelitian observasional analitik dengan desain potong lintang (cross-sectional) yang menggunakan data sekunder dari Dinas Kesehatan Kota Mataram tahun 2025. Data diperoleh dari laporan surveilans gizi remaja dan disajikan berdasarkan kelompok usia, jenis kelamin, serta periode waktu. Analisis data dilakukan secara univariat deskriptif untuk menggambarkan distribusi kasus obesitas remaja. Hasil penelitian menunjukkan bahwa kasus obesitas remaja paling banyak ditemukan pada kelompok usia 10–14 tahun baik pada remaja laki-laki maupun perempuan, terutama pada triwulan I–III tahun 2025. Pada kelompok usia 15–18 tahun, jumlah kasus relatif lebih rendah, namun terjadi peningkatan pada triwulan IV, khususnya pada remaja perempuan. Berdasarkan hasil deskriptif dan kajian pustaka, obesitas remaja di Kota Mataram paling mungkin dipengaruhi oleh rendahnya aktivitas fisik, durasi screen time yang berlebihan, serta pola makan tidak sehat yang ditandai dengan konsumsi makanan tinggi kalori dan fast food. Kesimpulannya, obesitas remaja di Kota Mataram lebih banyak terjadi pada usia remaja awal dan berkaitan erat dengan faktor gaya hidup perkotaan. Hasil ini dapat menjadi dasar awal dalam perencanaan upaya pencegahan obesitas remaja.
Co-Authors Agung, Eka Adnan Agung, Gede Murah Bustanul Atfal chairil ichsan, andi Cyndyani, Wanda Ayu Ismatullah, Nurul Khatimah Karma, I Nyoman Khairuddin - Lamanda, Januar Djulkarnain M. Yamin Maulana, Ariyani Ayu Mawaddah, Atika Safitri, Murniati Sukma, Aisyah Ari Syazali, Muhammad Wulandari, Febriana Tri Yofa, Tizar