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Analisis Kelimpahan dan Keanekaragaman Perifiton di Sekitar Karamba Jaring Apung Sungai Barito Kalimantan Selatan Dharmaji, Dedy; Asmawi, Suhaili; Yunandar, Yunandar; Amalia, Intan
Rekayasa Vol 14, No 3: Desember 2021
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21107/rekayasa.v14i3.12054

Abstract

Perifiton whose life is attached to the substrate, acts as a provider of nutrients and indicators of fishery water quality. The purpose of this study was to analyze the structure, abundance and diversity of epiphytic and epidendric periphyton in floating net cages and water quality. This research was conducted by purposive sampling in upstream, middle and downstream. The method used is exploratory quantitative, from May and June 2021 with sampling time at the beginning of each month. The main phytoplankton periphyton composition consists of Chlorophyceae and Bacillariophyceae. Chlorophyceae increased from 19 genera at the beginning of the observation to 24 genera, while Bacillariophyceae decreased from 22 to 21 genera. Phytoplankton periphytons that were always present in each observation both at STA-1, STA-2 and STA-3 were Synedra, Diatoma, Tabellaria, Fragillaria, Zygnema, Spirogyra, Mougeotiopsis, Microspora, Chlorodesmis cosmosa and Closterium. Unstable community structure with an abundance of 600 – 1320 cells/liter, uniformity index 0.53 – 0.884, diversity index 1.104 – 1.750 and dominance index 0.14 -0.47 classified as oligotropic. Similar periphyton upstream and midstream, but different downstream. The presence of Synedra in all locations indicates that there has been a decline in water quality due to low dissolved oxygen. Water quality at the site informs that low pH, high ammonia and high organic matter result in low dissolved oxygen.
Analysis of character value implementations in high school mathematics learning Vania Auliani, Gelcy; Amalia, Intan; Putri, Nabilah; Naila Firindi, Sya’rani; Aisyah, Nyimas; Susanti, Elsa
Sriwijaya University Learning and Education International Journal Vol. 2 No. 2 (2025): Sriwijaya University Learning and Education International Journal
Publisher : Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55379/4z3q9h32

Abstract

Character education plays an important role in shaping individuals who not only excel academically but also possess strong morals and high social values. In the context of mathematics learning, character values not only help students understand numerical concepts but also instill discipline, hard work, and perseverance. This study aims to analyze the implementation of character values in mathematics learning and the role of teachers in developing them. The subjects of the study were 100 high school students from public schools in Palembang. Data were collected through questionnaires and interviews and analyzed using descriptive methods. The results showed that the values of discipline, hard work, and religiosity were dominant, while creativity and communication remained weak. Therefore, efforts are needed to develop these values, particularly creativity and communication, through improved teacher professionalism, interactive learning, integration of real-world contexts, and addressing students' psychological barriers.
Realizing Women's Independence: Assistance for the Empowerment of PKK Mekar Sari Based on Virgin Coconut Oil (VCO) Processing in Padukuhan Karanggede, Kulon Progo Saputra, Rivaldi Alan; Octaviana, Syva; Adylla, Siti Fatur; Marischa, Diva; Amalia, Intan; Rozaki, Zuhud
Abdimas Galuh Vol 7, No 2 (2025): September 2025
Publisher : Universitas Galuh

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25157/ag.v7i2.18269

Abstract

Women's empowerment is a form of activity to realize social change in a planned manner as a solution to problems or to meet needs in community life. The YSI BEM KM UMY team implies an educational role in empowerment for five months starting from July-November 2022 to the PKK Mekar Sari Jatimulyo Village. Empowering the manufacture of Virgin Coconut Oil (VCO) oil is one of the ways PKK Mekar Sari is independent in realizing a smart and independent women's group. The objectives of empowerment are in the form of; 1) the formation of the Coconut Management Group (KELAPA) which acts as the person in charge of VCO Production; 2) increasing public understanding and independence regarding the use of coconuts into VCO; 3) the community is able to operate centrifugation equipment so that it produces better VCO; 4) the community is able to solve marketing problems  so that it makes it easier to sell VCOs. The empowerment method starts from problem identification, conceptualization stage, program implementation, as well as monitoring and evaluation. The results of this empowerment are in the form of; 1) the creation of the Padukuhan Karanggede community who are members of the KELAPA (Coconut Processing Group) organization who have an adequate understanding in making VCO; 2) the creation of the original VCO product of PKK Mekar Sari; 3) centrifugation device as an innovation in the production of VCO oil; 4) and, increasing public understanding related to marketing management science.
PENGARUH PENERAPAN MODEL PROBLEM BASED LEARNING TERHADAP HASIL BELAJAR SUBTEMA BANGGA TERHADAP DAERAH TEMPAT TINGGALKU Amalia, Intan; Muhajang, Tatang; Hikmah, Nur
Jurnal PGSD Vol 16 No 1 (2023)
Publisher : UNIB Press

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/pgsd.16.1.21-29

Abstract

This research is a quasi-experimental research. This study aims to determine the effect of the Problem Based Learning model on the learning outcomes of the proud sub-theme of the area where I live. This research was conducted at the Cimanggis 02 Public Elementary School, Bogor district, Class IV A, and IV B from May to even semesters. The N-Gain calculation of the Problem Based Learning models is 70 with high criteria and 83% completeness oh learning outcomes, the N-Gain value of the conventional model is 37 with medium criteria and 70% completeness of learning outcomes. The results of hypothesis testing state that H0 is rejected and Ha is accepted, because the calculation results are tcount (5,8718) > ttable (2,00172). Based on the results of the study, it was concluded that there was an influence from the use of the Problem Based Learning model on the learning outcomes of the proud sub-theme of the area where I live. A very effective learning model to be used in the sub-theme of being proud of the area where I live is the Problem Based Learning model.
PENERAPAN MODEL PEMBELAJARAN TIME TOKEN UNTUK MENINGKATKAN KEAKTIFAN BELAJAR SISWA SEKOLAH DASAR Amalia, Intan; kusuma, Yanti Yandri; Hardi, Vitri Anggraini; -, Fadhilaturrahmi; -, Sumianto
el-Ibtidaiy:Journal of Primary Education Vol 6, No 2 (2023): el-ibtidaiy
Publisher : Universitas Islam Negeri Sultan Syarif Kasim Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24014/ejpe.v6i2.24823

Abstract

Penelitian ini dilatar belakangi oleh rendahnya keaktifan belajar siswa pada mata pelajaran IPS di kelas V SDN 010 Langgini Kecamatan Bangkinang Kabupaten Kampar. Tujuan penelitian ini untuk mendeskripsikan peningkatan keaktifan belajar siswa pada pelajaran IPS materi benda dalam kegiatan ekonomi dengan menggunakan model pembelajaran Time Token pada siswa kelas V SDN 010 Langgini. Metode penelitian ini adalah Penelitian Tindakan Kelas (PTK) yang dilaksanakan dalam dua siklus. Setiap siklus terdiri dari dua pertemuan dan empat tahap, yaitu perencanaan, pelaksanaan, observasi, refleksi, dan waktu penelitian dilaksanakan pada bulan Mei 2023. Instrumen penelitian ini menggunakan perangkat pembelajaran, rubrik penilaian, dan lembar observasi. Sedangkanteknik analisis data penelitian ini adalah analisis data kuantitatif dan data kualitatif. Subjek penelitian ini siswa kelas V yang berjumlah 12 orang, dengan jumlah laki-laki 7 orang, dan siswa perempuan berjumlah 5 orang. Teknik pengumpulan berupa dokumentasi, observasi. Hasil penelitian ini dapat disimpulkan bahwa keaktifan belajar siswa pada materi benda dalam kegiatan ekonomi kelas V SDN 010 Langgini pada siklus I pertemuan 1 dengan presentase 25% dengan nilai rata-rata 50,41 kategori (CA), dan dipertemuan 2 meningkat dengan presentase 33,33% dengan nilai rata-rata 60,83kategori (CA). pada siklus II pertemuan 1 keaktifan belajar siswa juga mengalami peningkatan mencapai 66,66% dengan nilai rata-rata 67,50 kategori (A), dipertemuan 2 keaktifan belajar siswa kembali meningkat dengan presentase 83,33% dengan nilai rata-rata 77,91 kategori (A). Dengan demikian dapat disimpulkan bahwa dengan menggunakan model pembelajaran Time Token dapat meningkatkan keaktifan belajar IPS pada materi benda dalam kegiatan ekonomi kelas V SDN 010 Langgini.Kata kunci: Keaktifan Belajar, Model Time Token, Benda dalam Kegiatan Ekonomi.