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Analisis Kandungan Logam Berat Kadmium (Cd) dan Kromium (Cr) Pada Sedimen di Sungai Pelus Kabupaten Banyumas Milasari, Sayidah; Arviani, Ilma Azizah; Pranata, Allaam Hadi; Hidayati, Nuning Vita
MAIYAH Vol 2 No 2 (2023): Maiyah : Vol.2 No.2 Juni 2023
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (524.627 KB) | DOI: 10.20884/1.maiyah.2023.2.2.8796

Abstract

Sungai Pelus merupakan sungai yang terdapat di Kabupaten Banyumas, Jawa Tengah. Tingkat aktivitas masyarakat yang ada di sempadan Sungai Pelus cukup tinggi seperti permukiman, perkebunan, sawah, pabrik kayu, dan tambang pasir yang berpotensi menghasilkan limbah padat maupun cair yang akan bermuara ke badan sungai dan sampai ke sedimen sehingga membuat sungai tersebut tercemar, parameter pencemaran tersebut adalah logam berat. Penelitian ini bertujuan untuk mengetahui perbedaan kandungan Cd dan Cr pada sedimen antar stasiun, distribusi kandungan Cd dan Cr pada sedimen, serta apakah kawasan Sungai Pelus tercemar oleh Cd dan Cr berdasarkan Contaminant Factor (CF), Enrichment Factor (EF), Indeks Geoakumulatif (Igeo) dan Pollution Load Index (PLI). Metode yang digunakan yaitu metode survey dengan teknik pengambilan sampel purposive random sampling pada tujuh stasiun. Kandungan logam berat Cd dan Cr dianalisis menggunakan Spektrofotometri Serapan Atom (SSA). Hasil yang didapat menunjukan adanya perbedaan kandungan Cd dan Cr pada sedimen antar stasiun. Sungai Pelus terdeteksi memiliki nilai CF dengan kategori kontaminasi tinggi untuk Cd dan rendah untuk Cr, EF dengan kategori sedang untuk Cd dan tidak ada faktor pengayaan untuk Cr, Igeo dengan kategori tercemar sedang untuk Cd dan tidak tercemar untuk Cr serta PLI dengan kategori tercemar untuk Cd dan tidak tercemar untuk Cr.
Akumulasi Logam Berat pada Sedimen Matriks di Perairan Pekalongan Arviani, Ilma Azizah; Sarasati, Wulandari; Hafidzah, Maudia Tri; Mulyono, Ridho Adi; Fasiroh, Alzarotun
MAIYAH Vol 3 No 1 (2024): Maiyah : Vol. 3 No. 1 Maret 2024
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.maiyah.2024.3.1.11533

Abstract

Pekalongan waters have various problems, both from natural disasters, there is tidal floods and problems caused by anthropogenic activities, due to the large number of textile industries that dominate that dominate in this area, as a source of batik waste, even though in batik coloring several dyes are obtained of chemicals containing heavy metals are used. Batik waste contains metals such as Chromium (Cr), Cuprum (Cu), Manganese (Mn) and many other heavy metals on a small scale. Heavy metals can be buried in sediments and even take a long time to decompose. Therefore, further research is needed regarding the content of heavy metals in Pekalongan Waters so that the public can find out the effect of these heavy metals. The sampling method used was purposive random sampling, namely by selecting the points that were used as representatives of the research location. Assessment of heavy metals in sediments is carried out by comparing values ​​with quality standards and several analytical methods, there are Contamination Factor (CF), Enrichment factor (EF), Geo-Accumulation Index (I-geo), Potential Ecological Risk Index (PERI). The results of the study showed that Pekalongan waters at the research location were categorized as unpolluted to moderately polluted based on the content of heavy metals Cr and Cu. Based on the Mn content, these waters were polluted at almost all stations, on the contrary based on the Pb content this area was not polluted at all stations. Based on calculated the CF value of Pekalongan waters have a low to moderate contamination category, as well as from the EF value there is a low enrichment level, and if seen from the I-geo value are not polluted and from the PERI value the lavel of contaminatin risk is still low.
Spatio - Temporal Distribution of Nitrate and Phosphate in Serayu Watershed, Central Java, Indonesia Vita Hidayati, Nuning; Arviani, Ilma Azizah; Rani Samudra, Sesilia; Agus Salim; Dewi Wisudyanti Budi Hastuti; Nabela Fikriyya; Abdul Malik Firdaus; Tri Susanti; Ghofar Ismail Putra; El Mountassir El Mouchtari
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 3 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i3.72871

Abstract

Graphical Abstract   Highlight Research First study to analyze the three-year spatiotemporal distribution of nitrate and phosphate in the Serayu River Basin. Reveals seasonal and spatial nutrient hotspots linked to agricultural runoff and domestic activities. Identifies strong correlations: nitrate with TSS and COD (2021), and phosphate with COD (2021–2022) and pH (2023). Supports integrated watershed management through evidence-based nutrient pollution assessment using PCA and spatial mapping.     Abstract The Serayu Watershed is a vital area in Indonesia, where agricultural runoff contributes to nutrient enrichment in rivers. This study offers novelty as it is the first to analyze the spatiotemporal distribution of nitrate and phosphate in the Serayu River over a three-year period (2021–2023). The research aims to support sustainable watershed management by examining nutrient dynamics and their correlation with environmental parameters such as dissolved oxygen (DO), pH, total suspended solids (TSS), and chemical oxygen demand (COD). Water sampling was conducted at 15 stations across upstream, midstream, and downstream segments. Data were analyzed using Microsoft Excel and PAST 4.03, applying Principal Component Analysis (PCA) and biplot methods. Results showed nitrate levels were highest downstream in 2021, but shifted upstream in 2022–2023, likely due to organic matter decomposition. Phosphate remained highest midstream throughout the period, linked to domestic activity and land use. Nitrate levels fluctuated seasonally, especially during the rainy season, while phosphate levels were relatively stable. Spatial mapping highlighted dynamic nitrate changes in Banjarnegara and Cilacap, with phosphate distribution remaining more uniform. Correlation analysis revealed nitrate was related to TSS and COD in 2021, had no significant correlation in 2022, and was linked with pH in 2023. Phosphate consistently correlated with COD and pH. These findings emphasize that both natural and human-induced factors drive nutrient variability in the Serayu watershed, underlining the urgency of integrated watershed management to control nutrient pollution and protect water quality.