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MODEL PENGENDALIAN PENCEMARAN AIR SUNGAI SESAYAP DI KABUPATEN TANA TIDUNG PROVINSI KALIMANTAN UTARA Lestari, Kusuma Lelana Ari; Sodikin; Nurmawati, Subekti
Jurnal Konservasi dan Rekayasa Lingkungan Vol. 1 No. 2 (2024): Jurnal Konservasi dan Rekayasa Lingkungan
Publisher : Universitas Terbuka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33830/jkrl.v1i2.10525

Abstract

Sungai Sesayap memiliki banyak fungsi strategis yang berdampak pada meningkatnya tekanan terhadap kualitas air. Hasil pemantauan Dirjen Pengendalian Pencemaran dan Kerusakan Lingkungan KLHK memperlihatkan peningkatan parameter Fecal coliform pada intake PDAM Tideng Pale dari tahun ke tahun. Penelitian ini dilakukan untuk menganalisis trend kualitas air Sungai Sesayap parameter Fecal coliform kondisi Busines as Usual pada tahun 2034 dengan menggunakan sistem dinamik. Dengan menggunakan pemodelan sistem dinamik diperoleh hasil simulasi trend parameter Fecal coliform semakin meningkat jauh melebihi baku mutu yang menunjukkan kualitas air semakin buruk. 
Lichen diversity as an air quality bioindicator in the Mount Tilu Nature Reserve (MTNR) Bandung Aryanto, Arie; Nurmawati, Subekti; Alifiyah, Na’ilah I.; Zikriyani, Hikmah; Hamdani, Fauzan; Sinyo, Filemon M.
Jurnal Biologi Papua Vol 18 No 1 (2026)
Publisher : Jurusan Biologi FMIPA Universitas Cenderawasih

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/jbp.5295

Abstract

MTNR in Pangalengan, West Java, is a conservation area with high biodiversity that is increasingly pressured by tourism and agricultural activities, which may affect air quality. This study aimed to examine the relationship between air quality and lichen diversity as bioindicators of air pollution. A descriptive exploratory method was applied at four site types representing different levels of human activity: forest, roadside, plantation, and tourist areas. The results showed that microclimatic conditions and air quality at all sites were classified as good according to Government Regulation No. 22/2021. However, lichen diversity and thallus composition varied among sites in response to environmental conditions. Crustose lichens dominated roadside and plantation areas with higher environmental stress, while foliose and fruticose lichens were more abundant in forest areas characterized by lower temperatures, higher humidity, and minimal pollution. The presence of sensitive species such as Usnea sp. and Ramalina sp. indicated superior air quality in forest sites. In conclusion, lichen distribution reflects an air quality gradient across the study area, confirming the effectiveness of lichens as reliable bioindicators for ecological monitoring in conservation areas.
Evaluation of the Integrated Marine and Fisheries Center Development Program in Natuna Regency Susanto, Wiwik; Rahardjo, Sinung; Nurmawati, Subekti
Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol. 12 No. 2 (2025)
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/jipsp.v12i2.45526

Abstract

This study aims to evaluate the implementation of the Integrated Marine and Fisheries Center Development Program (Sentra Kelautan dan Perikanan Terpadu or SKPT) in Natuna Regency, focusing on its benefits for fishers and coastal communities. A descriptive qualitative approach was used, involving in-depth interviews, observations, and documentation. The results show diverse perspectives among stakeholders. Some fishers and cooperative managers perceive the SKPT as beneficial in expanding market access and maintaining product quality; however, limited capital, low post-harvest skills, and weak institutional readiness remain major challenges. Meanwhile, officials from the Department of Marine and Fisheries and SKPT managers emphasize the need to improve inter-institutional coordination and landing regulations to optimize the program's effectiveness. The study also reveals protests and resistance from coastal communities, particularly traditional fishers, who feel disadvantaged due to reduced fishing zones and unequal distribution of aid. Furthermore, academic assessments indicate that the program’s success remains partial, with significant physical achievements but limited impact on broad economic welfare improvements. Based on these findings, it is concluded that the success of the SKPT requires a participatory approach, strengthening of local capacity, and continuous evaluation based on comprehensive evaluation models such as CIPP. The implications of this study highlight the importance of aligning physical, social, and economic development to achieve the goals of independence and sustainable welfare for Natuna’s coastal communities.