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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Jurnal AGROTEKNOLOGI Aquacoastmarine Among Makarti Journal of Degraded and Mining Lands Management Jurnal Biodjati Jurnal Penelitian Pendidikan IPA (JPPIPA) Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management Jurnal Sosial dan Teknologi Jurnal Pendidikan Dasar Rare Pustaka Borneo Journal of Islamic Education AQUACOASTMARINE: Journal of Aquatic & Fisheries Sciences El-Mujtama: Jurnal Pengabdian Masyarakat
Ani Rahmawati
Alumni STIE AMA Salatiga
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PENGARUH MEDIA PEMBELAJARAN UNTUK MENGATASI KESULITAN BELAJAR SISWA PADA PEMBELAJARAN MATEMATIKA SATUAN PANJANG DI SDN LEMAHDUHUR II Rachman, Meylia Alidya; Rahmawati, Ani; Jeni, Siti Susi; Rahayu, Rindi
Jurnal Pendidikan Dasar Rare Pustaka Vol. 5 No. 1 (2023): Jurnal Pendidikan Dasar Rare Pustaka
Publisher : ITP Markandeya Bali

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59789/rarepustaka.v5i1.153

Abstract

Penelitian ini bertujuan untuk memahami berbagai kesulitan yang dialami siswa dalam menyelesaikan soal satuan panjang di kelas II. Penelitian ini menggunakan pendekatan kualitatif. Subjek penelitian adalah siswa kelas dua yang berjumlah 33 siswa. Instrumen penelitian yang digunakan adalah observasi dan dokumentasi. Hasil penelitian menunjukkan bahwa terdapat berbagai jenis kesulitan yang dialami siswa, salah satunya adalah kesulitan menghitung dan menarik kesimpulan. Ada dua faktor yang dapat menghambat keberhasilan siswa dalam proses belajar yaitu faktor internal dalam diri siswa dan faktor eksternal seperti lingkungan keluarga dan lain-lain. Banyak siswa yang beranggapan bahwa matematika adalah mata pelajaran yang menakutkan, bahkan hanya mendengar yang namanya berpikir matematika, sudah menyerah dan menyimpulkan tidak bisa.
Pemetaan Kerentanan Wilayah Pesisir terhadap Kenaikan Muka Air Laut di Kabupaten Lebak Banten: Vulnerability Mapping of Coastal Areas to Sea Level Rise of Lebak Banten Regency Oktaviani, Laela; Rahmawati, Ani; Muta Ali Khalifa
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 1 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i1.43870

Abstract

Daerah pantai yang dinamis memberikan respons terhadap peristiwa ekstrem salah satunya adalah kenaikan muka air laut. Hal tersebut akan memberikan dampak buruk pada kondisi wilayah pesisir, seperti pada Pantai Binuangeun yang sekarang ini mengalami abrasi akibat adanya hantaman gelombang besar. Hal ini menunjukkan wilayah pesisir Lebak berpotensi mengalami kerentanan, terutama akibat kenaikan muka air laut. Penelitian ini bertujuan untuk memetakan sebaran kerentanan wilayah Pesisir Kabupaten Lebak Banten terhadap kenaikan muka air laut. Metode yang digunakan dalam penelitian ini adalah Coastal Vulnerability Index (CVI). Data yang dikumpulkan terdiri dari data primer yang diperoleh dengan melakukan observasi lapangan dan data sekunder yang diperoleh melalui NOAA, Copernicus, dan IOC Sea Level Monitoring. Variabel kerentanan yang dianalisis adalah geomorfologi, perubahan garis pantai, elevasi, kenaikan muka air laut, tunggang pasang surut, dan tinggi gelombang. Karakteristik pantai Lebak adalah karang, berpasir, dan tebing. Penilaian kerentanan dibagi menjadi 3 kelas, yaitu rendah, sedang, dan tinggi. Hasil penelitian menunjukkan bahwa nilai Coastal Vulnerability Index (CVI) pesisir Lebak berkisar antara 2,9-2,19. Nilai tersebut menunjukkan seluruh kecamatan pesisir Kabupaten Lebak termasuk dalam kategori kerentanan rendah terhadap kenaikan muka air laut. Oleh karenanya pesisir Lebak tidak berpotensi terdampak bencana-bencana yang diakibatkan oleh kenaikan muka air laut.
Aplikasi Edible Coating Berbasis Polisakarida untuk Mengurangi Kerusakan Pascapanen Rahmawati, Ani; Afina, Afina
Jurnal Sosial Teknologi Vol. 5 No. 12 (2025): Jurnal Sosial dan Teknologi
Publisher : CV. Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/jurnalsostech.v5i12.32527

Abstract

Post-harvest damage to horticultural commodities is one of the main causes of a decline in product quality and quantity of up to 30–40%. Efforts to reduce this damage can be done through the application of polysaccharide-based edible coatings that are able to form a thin layer as an inhibitor of respiration rate, water loss, and microbial growth. This study aims to analyze the effectiveness of polysaccharide-based edible coatings on the quality and extent of damage to horticultural products during storage. The experimental method was applied using three types of polysaccharides—pectin, chitosan, and carboxymethyl cellulose (CMC)—with testing for the rate of weight loss, hardness, color, and total microbial colonies. The results showed that the edible coating treatment significantly reduced damage by up to 45% compared to controls. Chitosan shows the highest effectiveness especially in suppressing microbial growth, while pectin is effective in maintaining texture. These findings reinforce that polysaccharide-based edible coatings can be used as an environmentally friendly, safe, economical, and potential post-harvest technology for commercial applications.
Age Structure, Growth, and Mortality of Blue Swimming Crab (Portunus pelagicus Linnaeus,1758) in Banten Bay Waters Aulia, Imadiah; Khalifa, Muta Ali; Rahmawati, Ani; Syauqi, Muhammad; Wahyuningsih, Mila; Raimahua, Syifa Jihan; Akmalia, Wilda
Jurnal Biodjati Vol 8 No 1 (2023): May
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v8i1.22884

Abstract

Blue swimming crab (BSC) (Portunus pelagicus) is the main fisheries commodity in Banten Bay, with the highest catch of catch occurring in the west monsoon. Increased fishing efforts have reduced the catch, as indicated by a decrease in the average size of carapace width. Overfishing might influence the life cycle and population structure of the BSC. This research aims to analyze the growth and mortality of the Blue Swimming Crab in Banten Bay, especially in the west monsoon. Blue swimming crab samples were obtained from the catch of fish trap and gillnet fishermen with landing sites around the Karangantu Archipelago Fishing Port. Growth, age, and mortality were predicted based on the measurement of total carapace width and body weight. Data were analyzed using Fisat II and Microsoft Excel. The frequency distribution of carapace showed one mode class which normally was distributed consisting of only one age structure group (cohort). The relationship between carapace width and weight of males or females resulted in a slope value (b>3) and was positive allometric, indicating that both sexes had a faster weight gain than the increase in carapace width. Growth parameters resulted asymptotic length (L∞); male 176.75 mm and female 176.46 mm. The growth was relatively fast, with a growth coefficient value of more than one. The mortality showed that the fishing mortality value (F);in males was 3.47 /year and in females 2.69/year was greater than the natural mortality value (M); males 1.25/year and females 1.22/year. Blue Swimming Crabs in Banten Bay had overfished as shown by the high fishing mortality value and there were still many BSC that were caught below the legal size allowed. Thus, catches should be controlled to keep the population and for sustainable fisheries.
Co-Authors Afina, Afina Ahmad Muhtadi Akmalia, Wilda Alpian, Yayan Aulia, Imadiah Baharuddin, Rhamdhani Fitrah Dewi, Sinta Maria Forcep Rio Indaryanto Harmawati Hasriani Muis Jeni, Siti Susi Joko Pramono Khairunnisa Khalifa, Muta Ali Maarif, Fadjri Muhammad Adam Suni Muta Ali Khalifa Nazara, Wilman Nurma Handayani, Nurma Oktaviani, Laela Rachman, Meylia Alidya Rahayu, Rindi Raimahua, Syifa Jihan Sa'diah, Tia Latifatu Shanti Akhiriani Simaremare, Elisabet Rosevenny Siregar, Zufriwandi Syauqi, Muhammad Wahyuningsih, Mila Yekti, Sanjaka Yulistina Nur DS Zulham Apandy Harahap