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Analisis Kinerja Pengelolaan Lingkungan TPS3R Perkotaan (Studi Kasus: TPS3R Kenanga, Kabupaten Sleman, DIY) Lupiyanto, Ribut; Nurhasanah, Nurhasanah; Hamzah, Hadian Pratama
BRILIANT: Jurnal Riset dan Konseptual Vol 8 No 4 (2023): Volume 8 Nomor 4, November 2023
Publisher : Universitas Nahdlatul Ulama Blitar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.28926/briliant.v8i4.1573

Abstract

TPS-3R (Tempat Pengolahan Sampah Reuse Reduce Recycle) memiliki peran strategis dalam upaya pengelolaan sampah terpadu, khususnya melalui reduksi sampah yang masuk ke TPA. Keberlanjutan lingkungan dalam penyelenggaraan TPS-3R membutuhkan kinerja pengelolaan lingkungan yang optimal. Penelitian bertujuan untuk menganalisis tingkat kinerja pengelolaan lingkungan TPS-3R Kenanga dan signifikansi faktor-faktor yang mempengaruhinya. Metode analisis kinerja pengelolaan lingkungan menggunakan analisis gap (gap analysis) dengan skoring. Tingkat signifikansi faktor yang mempengaruhi kinerja pengelolaan lingkungan menggunakan dianalisis menggunakan uji  statistik regresi berganda. Hasil penelitian menunjukkan kinerja pengelolaan lingkungan TPS-3R Kenanga adalah berkategori sedang/cukup. Kinerja pengelolaan lingkungan TPS-3R Kenanga dipengaruhi secara signifikan oleh kebijakan, kelembagaan, teknis, pembiyaan, pembinaan, sosialisasi, monitoring dan evaluasi, efisiensi reduksi sampah, kepuasan serta partisipasi masyarakat serta gabungan keseluruhan variabel tersebut. Hasil penelitian ini dapat diadopsi sebagai bahan kebijakan untuk wilayah lain yang memiliki karakteristik sama dengan lokasi penelitian khususnya terkait TPS-3R di wilayah perkotaan.
Analysis of Plankton Community Structure and Physical-Chemical Parameters in the Dumai River, Riau Province Chynthiana, Vera; Budijono, Budijono; Hamzah, Hadian Pratama
Biotropika: Journal of Tropical Biology Vol. 14 No. 2 (2026)
Publisher : Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2026.014.02.09

Abstract

This study aims to evaluate the water quality of the Dumai River based on plankton community structure and physicochemical parameters. This research was conducted to understand the ecological response to long-standing environmental pressures in the Dumai River through community and industrial activities. This study was conducted by collecting water and plankton samples from the Dumai River using a plankton net in the downstream, middle, and upstream sections. The analysis results showed a significant decline in water quality in the downstream section, characterised by high Total Dissolved Solids (TDS) levels of 3270 mg/L and Dissolved Oxygen (DO) approaching the minimum limit. This condition reflects increasing anthropogenic pressures that are affecting ecosystem stability. The impact is visible in the plankton community structure, where Species Richness (R) decreases from upstream to downstream, allowing only species with high tolerance to these pressures to survive. Despite the decline in species abundance, Diversity (H') values remained relatively high with Evenness (E) increasing, indicating that the downstream section functions as an ecological filter producing a balanced but simpler community. Regression analysis identified a strong positive correlation (R² = 0.75–0.84) between H' and water quality parameters such as BOD, nitrate, DO, and TSS, confirming that habitat conditions in the moderate range are the main determinants of plankton diversity. These findings emphasise the need for continuous water quality monitoring to support more effective management of the Dumai River ecosystem.