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All Journal BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Journal Of Human And Education (JAHE)
Nabila Asa Dinina
Universitas Mulawarman
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Education Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Social Sciences Other

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EVALUATION OF WATER QUALITY IN PANCA JAYA VILLAGE BLUE LAKE AS A BASIS FOR SAFE TOURISM MANAGEMENT Nabila Asa Dinina; Andi ’Afifatul Fathonah; Yenni Kusrini Abelia; Masitah Masitah
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 13 No. 1 (2026): Biolink August
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v13i1.18544

Abstract

The high recreational potential of Danau Biru in Panca Jaya Village a former mining site poses a risk of health hazards to visitors due to chemical contamination of the water. This study aims to evaluate the physical and chemical quality of Danau Biru’s water as a basis for recommendations on sustainable safety management of the tourist destination. This mixed-methods study employed purposive sampling in two zones (shore and center) with three replicates. Parameters were analyzed using descriptive and comparative methods in accordance with Ministry of Health Regulation No. 2 of 2023. Laboratory test results indicated extremely hyperacidic conditions with pH values ranging from 2.39–2.52 (shore) and 2.29–3.88 (center), far below the quality standard (6.0–9.0). Biochemical Oxygen Demand (BOD) values ranged from 3.68–4.96 mg/L (periphery) and 3.20–4.80 mg/L (center), exceeding the maximum limit of 3 mg/L. Meanwhile, Dissolved Oxygen (DO) was recorded at 4.1–4.6 mg/L, still meeting the minimum criterion (≥ 4 mg/L). It is concluded that the water in Danau Biru does not yet meet recreational water quality standards; therefore, swimming is strongly discouraged to prevent the risk of skin irritation and chronic toxicity to visitors.
Sosialisasi Pencegahan Bullying dan Penerapan Pohon Harapan bagi Siswai Kelas VII SMP Negeri 48 Samarinda Dwi Rahmat Saputra; Ferina Swesty Wulandari; Wahyu Tria Ningsih; Gracesia Loren; Nabila Asa Dinina; Fahim Nur Amalia; Alfian Rokhmansyah; Suprayitna Suprayitna
Journal Of Human And Education (JAHE) Vol. 6 No. 5 (2026): Journal of Human And Education (JAHE)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jh.v6i5.2937

Abstract

Perundungan (bullying) merupakan tindakan agresif berulang yang merusak kondisi fisik dan psikologis siswa, khususnya kelas VII yang berada pada masa transisi penyesuaian sosial. Kegiatan pengabdian masyarakat ini bertujuan memberikan edukasi bahaya perundungan, mendukung penciptaan lingkungan sekolah yang aman, serta memfasilitasi ekspresi emosi dan refleksi diri siswa melalui media Pohon Harapan. Program dilaksanakan pada 7 Agustus 2026 di SMP Negeri 48 Samarinda melibatkan 125 siswa Kelas VII dengan pendekatan partisipatif dan deskriptif kualitatif. Tahapan kegiatan mencakup sosialisasi pleno, diskusi interaktif dalam 12 kelompok kecil bersama fasilitator, dan refleksi tertulis. Evaluasi kualitatif dilakukan melalui observasi langsung dan analisis tematik sederhana terhadap hasil refleksi. Hasil kegiatan menunjukkan peningkatan pemahaman siswa mengenai bentuk-bentuk perundungan (verbal, fisik, relasional, cyber) serta tumbuhnya kesadaran untuk tidak menjadi bystander pasif. Analisis terhadap 125 sticky notes pada Pohon Harapan merekam 80% pesan terkait dinamika pertemanan dan 20% mengenai ekspresi emosi serta masalah keluarga. Kesimpulannya, media Pohon Harapan efektif menjadi sarana refleksi diri dan ekspresi emosi siswa secara aman tanpa rasa takut dihakimi.
Co-Authors Alfian Rokhmansyah Andi ’Afifatul Fathonah Dwi Rahmat Saputra Fahim Nur Amalia Ferina Swesty Wulandari Gracesia Loren Masitah - Suprayitna Suprayitna Wahyu Tria Ningsih Yenni Kusrini Abelia