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All Journal Journal Corner of Education, Linguistics, and Literature Jurnal Pengabdian Masyarakat dan Riset Pendidikan
Rhamadona, Fitria
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Humanities Education Languange, Linguistic, Communication & Media Mathematics Social Sciences Other

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Pengendalian Pencemaran Sungai Mencirim dengan Sosialisasi Membuat Pengolahan Air Limbah Rumah Tangga dalam Upaya Menjaga Kondisi Kesehatan Penduduk Kota Binjai: Pengabdian Kadir, Dalimawaty; Rapita Silalahi, Beta; Fitrah Dwi, Dara; Sapnita; Rhamadona, Fitria; Nur Fatma, Intan; Rintawana Panjaitan, Desi
Jurnal Pengabdian Masyarakat dan Riset Pendidikan Vol. 3 No. 4 (2025): Jurnal Pengabdian Masyarakat dan Riset Pendidikan Volume 3 Nomor 4 (April 2025
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jerkin.v3i4.950

Abstract

Pengabdian ini dilakukan karena banyaknya pencemaran yang terjadi di Sungai Sei Mencirim Binjai. Hal tersebut mengakibatkan kesehatan masyarakat di sekitar sungai Sei Mencirim sangat terganggu karena kualitas air menunjukkan kondisi yang tercemar. Jenis pengabdian ini termasuk dalam studi kasus. Lokasi pengabdian dilakukan di Sungai Sei Mencirim pada bulan September dan Oktober 2024. Populasi pengabdian adalah aliran sungai yang mengalir melalui Sungai Sei Mencirim Binjai, sedangkan sampel pengabdian adalah sampel air sungai di sepanjang Sungai Sei Mencirim Binjai dengan cara mengambil tiga sampel pada setiap plot dengan jarak antar plot masing-masing tiga ratus meter dan koordinatnya ditentukan dengan menggunakan Koordinat GPS. Hasil pengujian parameter kualitas air sungai Sei Mencirim menyatakan bahwa parameter TSS, BOD, COD, total fosfat sebagai P, E colli dan fecal coliform telah melebihi standar baku mutu air yang disepakati dalam Peraturan Pemerintah Republik Indonesia Nomor 82 Tahun 2001. Hasil status mutu air Sungai Sei Mencirim Binjai dikarakterisasi memakai metode Indeks Pencemaran yaitu sesuai dengan batas baku mutu air termasuk dalam kategori tercemar sedang. E. Coli dan Fecal Coliform sangat tinggi. Sisi ini dapat terjadi sebab pada air sungai terindikasi telah terjadi pencemaran tinja manusia atau hewan pada air tersebut.
The Effectiveness of Practice, Presentation-Demonstration, and Presentation-Discussion (PPDP) Learning Strategies Toward Students’ Conceptual Understanding Kadir, Dalimawaty; Nuzalifa, Yossie Ulfa; Siregar, Nurmawati; Rhamadona, Fitria
Journal Corner of Education, Linguistics, and Literature Vol. 5 No. 2 (2025): November
Publisher : CV. Tripe Konsultan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.54012/jcell.v5i2.636

Abstract

Biology is one of the scientific fields that was born and developed through the steps of observation, problem formulation, making hypotheses based on experiments, drawing conclusions, and discovering concepts and theories. Biology learning will not be separated from laboratory or practical activities. Understanding the concept plays a very pivotal role in learning activities and has become the basis for achieving the learning outcomes. One of the instructional strategies is called PPD (Practice, Presentation and Discussion). This study aimed to determine the effect of the PPD strategies in enhancing students' conceptual understanding. This study applied a pre-experimental research method with One Group Pretest-Posttest Design. The subjects were twelfth grade high school students. These subjects were randomly selected with the number of 35 students. The results showed that the application of the PPD strategies has proven to be influential in enhancing students’ mastery of photosynthesis concepts. The increase in concept mastery could be viewed from the level change of students' comprehension as the mean score of 43.18, where the students’ initial knowledge (pretest) was 38.12, significantly increasing after the implementation of the PPD strategies (posttest) as of 81.30. Based on the standard of minimal accomplishment criteria, the effectiveness of the PPD strategies on students’ concept mastery was between 71-85 which was stated in the high category.
Co-Authors Fitrah Dwi, Dara Kadir, Dalimawaty Nur Fatma, Intan Nurmawati Siregar, Nurmawati Nuzalifa, Yossie Ulfa Rapita Silalahi, Beta Rintawana Panjaitan, Desi Sapnita