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All Journal Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS) JURNAL HUTAN TROPIS Journal of Bioresources and Environmental Sciences
Ivana Rindi Antika P
Department of Forestry, Faculty of Agriculture, University of Bengkulu
Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Engineering Environmental Science

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Heavy Metals Concentration in Sea Water at Cilegon Coastal Waters Ishlahul Fikri; Ibrahim Ahmad; Afda Refani; Adhika Putra Agra Wijnana; Nur Jamiah Rangkuti; Ivana Rindi Antika P
Journal of Bioresources and Environmental Sciences Vol 5, No 1 (2026): April 2026
Publisher : BIORE Scientia Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/jbes.2025.19977

Abstract

Cilegon City is an industrial city with an area of 175.51 km2, approximately 43.6% of which is comprised of coastal and marine areas. Industrial activities, ports, and even household waste can produce pollutants that flow into the sea. One of the pollutants entering the waters is heavy metals. Common heavy metals found are Cadmium (Cd), Copper (Cu), and Lead (Pb). This research was conducted in February 2022 in the waters of Cilegon. Heavy metal concentration measurements were conducted at an ISO 17025:2017 accredited laboratory. One liter of seawater samples was from the surface (0-50 cm), filtered, and HNO3 preservative was added to a pH of 2 in polyethylene bottles. Measurements of aquatic environmental quality parameters, including temperature, salinity, and pH, were conducted in situ. Dissolved heavy metal concentrations were analyzed descriptively and compared with seawater quality standards in accordance with Government Regulation Number 22 of 2021 concerning the implementation of environmental protection and management. Water quality assessment was conducted by calculating the Pollution Index in accordance with the Decree of the Minister of Environment Number 115 of 2003. The results of the water temperature measurements ranged from 28.8 to 30.4°C, salinity ranged from 29 to 31 ppm, and the water pH obtained was 7.7 to 8.4, which stated that the environmental parameters of the waters met the quality standards. The concentration of dissolved Cd was <0.00003 at all stations. The concentration of dissolved Cu obtained ranged from <0.006 to 0.0129 mg/l; two stations obtained results exceeding the quality standards. The concentration of dissolved Pb obtained ranged from <0.00012 to 0.017 mg/l; two stations exceeded the quality standards. The results of the water pollution index calculations stated that all research stations were in a slightly polluted condition.
ANALISIS KEBERLANJUTAN EKOWISATA MANGROVE PULAU BAAI MENGGUNAKAN PENDEKATAN MULTIDIMENSIONAL SCALING (MDS) Nur Jamiah Rangkuti; Afda Refani; Ishlahul Fikri; Ivana Rindi Antika P
Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS) Vol. 9 No. 1 (2026): Jurnal Lingkungan dan Sumberdaya Alam (JURNALIS)
Publisher : Program Studi Teknik Lingkungan, Fakultas Teknik, Universitas Banten Jaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47080/jls.v9i1.4374

Abstract

Ekosistem mangrove memiliki peran penting dalam menjaga stabilitas pesisir, menyediakan habitat bagi berbagai biota, serta berkontribusi pada mitigasi perubahan iklim melalui penyimpanan karbon yang tinggi. Upaya rehabilitasi dan pengelolaan mangrove Pulau Baai, Kota Bengkulu telah mendorong berkembangnya ekowisata berbasis konservasi yang melibatkan masyarakat dan Komunitas Mangrove Bengkulu. Penelitian ini bertujuan menganalisis tingkat keberlanjutan ekowisata mangrove Pulau Baai pada lima dimensi keberlanjutan: ekologi, ekonomi, sosial budaya, teknologi dan infrastruktur, serta hukum dan kelembagaan. Metode yang digunakan adalah Multidimensional Scaling (MDS) melalui pendekatan Rapecotourism. Hasil analisis menunjukkan bahwa secara multidimensi ekowisata berada pada kategori kurang berkelanjutan dengan nilai indeks 44,53%. Empat dimensi berada pada kategori kurang berkelanjutan, yaitu ekologi (43,04), sosial budaya (48,79), teknologi dan infrastruktur (49,05), serta hukum dan kelembagaan (30,72). Hanya dimensi ekonomi (51,07) yang tergolong cukup berkelanjutan.
THE EFFECTIVENESS OF CONTROLLING METHODS FOR INVASIVE SPECIES MERREMIA PELTATA (L.) MERR. IN BUKIT BARISAN SELATAN NATIONAL PARK, LAMPUNG Ivana Rindi Antika P; Afda Refani; Ishlahul Fikri; Nur Jamiah Rangkuti; Adhika Putra Agra Wijnana
Jurnal Hutan Tropis Vol 14, No 2 (2026): Jurnal Hutan Tropis Volume 14 Nomer 2 Edisi Juni 2026
Publisher : Lambung Mangkurat University-Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/jht.v14i2.26195

Abstract

Deforestation and degradation in Bukit Barisan Selatan National Park (BBSNP) have facilitated the aggressive invasion of Merremia peltata. By 2020, reports indicated that the species had infested over 8,000 hectares, significantly disrupting ecosystem dynamics. Despite various management interventions, control efforts have yielded limited success, necessitating a comprehensive evaluation of current methods. This study assesses the effectiveness of M. peltata control methods using the Analytical Hierarchy Process (AHP) and identifies strategic alternatives through A'WOT analysis. Results indicate effectiveness ratings for mechanical (46.67%), chemical (44.88%), biological (34.92%), and social (55.22%) methods. Although the social approach achieved the highest value, it remains classified as "less effective" according to the study's criteria. These findings suggest that current standalone efforts are insufficient. The analysis identifies the integration of control strategies as the primary priority, with an acquisition value of 59.7%. Consequently, optimizing control activities in BBSNP requires a multi-faceted, integrated management framework to improve ecological outcomes.
Co-Authors Adhika Putra Agra Wijnana Adhika Putra Agra Wijnana Afda Refani Afda Refani Afda Refani Fikri, Ishlahul Ibrahim Ahmad Ishlahul Fikri Ishlahul Fikri Nur Jamiah Rangkuti Nur Jamiah Rangkuti Nur Jamiah Rangkuti