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ASSESSMENT OF WATER QUALITY IN SITU TLAJUNG HILIR USING POLLUTION INDEX AND SAPROBIC QUOTIENT APPROACHES Shakira, Shakira; Istiana, Rita; Saputri, Dina Dyah
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 12 No. 1 (2025): Biolink August
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v12i1.15660

Abstract

Situ Tlajung Hilir is a natural lake in West Java, utilized by the local community to support livelihoods and contributing to the balance of the surrounding ecosystem. However, pollution from industrial and residential activities has raised concerns over its declining water quality. This study aims to assess the water quality of Situ Tlajung Hilir using the Pollution Index (PI) and Saprobic Quotient (SQ) methods. A descriptive quantitative approach with purposive sampling was conducted at four observation stations. Research activities included field observation, sample collection, measurement of physical, chemical, and biological parameters, and laboratory analysis. Instruments were calibrated prior to use. PI values ranged from 1.02 to 1.04, indicating a slightly polluted status based on the Decree of the Minister of Environment No. 115 of 2003. SQ values ranged from -0.10 to -0.79, reflecting moderate to fairly heavy pollution. The PI analysis showed that dissolved oxygen (DO) and temperature did not meet Class III water quality standards. SQ analysis revealed a dominance of Euglenophyceae and Paramecium (Ciliates), both indicators of organic pollution. In conclusion, the water quality of Situ Tlajung Hilir is categorized as slightly to fairly heavily polluted. Emphasizing the need for ongoing monitoring and improved waste management to protect the aquatic ecosystem.
Dissemination of Religious Formation in The Fatwa of The Indonesian Ulema Council on Digital Da’wah Etichs Pratama, Rifky Nosah; Kholiana, Arifah; Shakira, Shakira; Kumala, Fatma; Noviyanti, Neska Fitri; Wibisono, Muhammad Alvian Fadhli
TATHO: International Journal of Islamic Thought and Sciences Volume 1, Issue 2 (2024)
Publisher : International Tatho Academics

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.70512/tatho.v1i2.20

Abstract

Social religious problems triggered by the provocation of preachers in the digital media space are important problems to be addressed by all elements of society including the government. This qualitative research in the form of a literature review aims to identify the dimensions of religious formation in the Fatwa of the Indonesian Ulema Council (MUI) of East Java No. 6 of 2022. The theory of religiosity becomes the main theory of analysis in the discussion of this study. This data was obtained through documentation. Data were analysed through reduction, presentation and verification. This study shows the content of the formation of religiosity dimensions in the fatwa, such as da'wah recommendations that emphasise the practice of worship rituals, and attitudes to maintain harmony in social life amid social plurality. This research confirms the importance of disseminating holistic religious formation in digital da'wah materials. The limitations of this research have not examined the effectiveness of the fatwa in the community.