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All Journal HAYATI Journal of Biosciences Jurnal Ilmu dan Teknologi Kelautan Tropis Maspari Journal Journal of Marine and Aquatic Sciences ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Jurnal Lahan Suboptimal Journal of Marine Research Maspari Journal Jurnal Kelautan Tropis Science and Technology Indonesia Jurnal Penelitian Sains Akuatik: Jurnal Sumberdaya Perairan IJEMS (Indonesian Journal of Environmental Management and Sustainability) Jurnal Geologi Kelautan: Media Hasil Penelitian Geologi Kelautan Journal of Tropical Marine Science Jurnal Sylva Lestari JOMPA ABDI: Jurnal Pengabdian Masyarakat Jurnal MAIYAH
Wike Ayu Eka Putri
Department Of Marine Science, Faculty Of Mathematics And Natural Sciences, Sriwijaya University
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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Carbon Stock and Potential for Carbon Absorption by Mangrove Forests on Maspari Island: The Outermost Small Island in South Sumatra Ulqodry, Tengku Zia; Raihan, Muhammad; Muhtadi; Sarno; Hendri, Muhammad; Rezi Apri; Putri, Wike Ayu Eka; Aryawati, Riris
Jurnal Sylva Lestari Vol. 13 No. 2 (2025): May
Publisher : Department of Forestry, Faculty of Agriculture, University of Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jsl.v13i2.1095

Abstract

Maspari Island is the only small outermost island located in the southern part of Bangka Strait, included in the coastal area of Ogan Komering Ilir Regency, South Sumatra. The island harbors a mangrove ecosystem that is believed to play a significant role in climate change mitigation through carbon storage. This study aims to identify mangrove species and measure carbon stock estimates in upper-stand biomass, lower-stand/root biomass, and sediment. Identification of mangrove species using a vegetation analysis approach. Transect plots measuring 10 m × 10 m were parallel to the coastline at 6 observation station points. The diameter of vegetation at the tree and sapling levels was measured at a height of 1.3 m from the ground surface. Carbon stock estimates were calculated using allometric equations and sediment carbon analysis methods. The results identified seven mangrove species: Avicennia marina, Bruguiera sexangula, Ceriops tagal, Excoecaria agallocha, Rhizophora apiculata, Rhizophora stylosa, and Sonneratia alba. Estimated carbon stocks of mangrove stands at all stations reached 3,443.42 tC/ha, with an average of 573.90 tC/ha, while carbon stocks in roots amounted to 862.96 tC/ha, with an average of 143.83 tC/ha. The total estimated carbon stock of mangrove sediment at all stations was 240.71 tC/ha, with an average of 40.12 MgC/ha. Sonneratia alba provided the highest carbon absorption, reaching 3,059 tC/ha for the upper stand and 697.80 tC/ha for the lower stand. Considering the contribution of the carbon storage potential in Maspari Island, this study suggests extending the investigation of the mangrove carbon fixation in other small islands in Indonesia, especially for the S. alba species.   Keywords: carbon stock, mangrove, Maspari Island, sediment, carbon stock, Sonneratia alba
Heavy Metal Accumulation and Ecological Risk on Seagrass Cymodocea and Thalassia in Pahawang Island, Indonesia Gusri, Ariqoh Athallah; Rozirwan, Rozirwan; Putri, Wike Ayu Eka; Melki, Melki; Isnaini, Isnaini; Nugroho, Redho Yoga; Mohamed, Che Abd Rahim
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 2 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.2.274-288

Abstract

Seagrass species thrive in coastal ecosystems and known for their ability to accumulate heavy metals from their surrounding environment. This study aims to evaluate the ecological risks related to the accumulation of heavy metals in seagrass roots, leaves, and sediments. The seagrass examined belong to the genera Cymodocea and Thalassia, collected from two sites: Jeralangan and Cukuh Nyai on Pahawang Island, Lampung, Indonesia. The heavy metals analyzed included Pb, Cu, Ni, and Zn, which were measured using the wet destruction method and quantified with a SHIMADZU AA-7000 Atomic Absorption Spectrophotometer (AAS). The ecological risk was evaluated through various indices, such as the Bioconcentration Factor (BCF), Translocation Factor (TF), Geoaccumulation Index (Igeo), Contamination Factor (Cf), and Pollution Load Index (PLI). The highest concentrations of heavy metals in sediment were detected at station 1 was Zn (15.486 mg.kg-1). In the roots of Cymodocea was Zn (8.772 mg.kg-1), while the highest concentration in leaves was Cu in Thalassia (10.541 mg.kg-1). The ecological risk assessment revealed that BCF < 1 categorize an excluder, while TF > 1 for Pb and Zn indicate effective translocation from roots to leaves. Additionally, Igeo < 0 signify no contamination, Cf < 1 indicate low pollution levels, and PLI < 0 confirm a non-polluted status. In conclusion, the results show that the seagrass ecosystems at the study sites currently have low levels of heavy metal pollution and minimal ecological risk, suggesting they remain in a relatively safe condition.
Copper and Lead Contamination in Sediment and Benthic Ecosystems of Sembilang National Park’s Coastal Region, South Sumatra Rozirwan; Ananta, Dio Alif; Khotimah, Nadila Nur; Putri, Wike Ayu Eka; Fauziyah; Dianysah, Gusti; Siregar, Yusni Ikhwan; Ramses; Isnaini; Melki; Aryawati, Riris; Agustriani, Fitri; Nugroho, Redho Yoga
Science and Technology Indonesia Vol. 10 No. 3 (2025): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2025.10.3.866-876

Abstract

Littoral zone often face environmental pressure due to anthropogenic activities, which can impact the quality of their ecosystem. This study analyzes the concentrations of copper (Cu) and lead (Pb) in sediments and benthic (Anadara granosa and Cerithidea cingulata). Sampling procedures were implemented during September 2022 across the aquatic habitats of Sembilang National Park, in South Sumatra Province, using the purposive sampling method. Sediment grain size and substrate type were analyzed using Shepard’s triangle. Metal detection using a spectrophotometric method based on atomic absorption. The results showed that the sediment fraction mostly consisted of clay, ranging from 92.03% to 94%. Cu concentrations in the sediment ranged from 5.01±0.017 to 5.71±0 mg/kg, while Pb concentrations ranged from 10.5±0.195 to 11.51±0.395 mg/kg. In the benthic, Cu concentrations ranged from 0.0037±0.00005773 to 0.0147±0.00000346 mg/kg, and Pb concentrations ranged from 0.0001±0.000227 to 0.005±0 mg/kg. According to the statistical evaluation testing via independent sample t-test showed that heavy metals differed significantly (p <0.05) between sediment and benthic compartments. These results show that the environmental quality in Sembilang National Park is still comparatively well maintained and within current quality requirements, despite certain activities that have the potential to pollute the environment. To guarantee the long-term viability of this area, it is advised that environmental quality be frequently monitored as a mitigation action.
Heavy Metal Pb, Cu, and Cd Pollution in Water and Sediment Due to Anthropogenic Activities Along the Musi River, South Sumatra Wahyudi, Wahyudi; Rozirwan, Rozirwan; Putri, Wike Ayu Eka
Jurnal Penelitian Sains Vol 27, No 1 (2025)
Publisher : Faculty of Mathtmatics and Natural Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56064/jps.v27i1.1168

Abstract

Human activities along river flows can increase the potential for heavy metal pollution, which risks reducing water quality, polluting sediments, and threatening the sustainability of aquatic ecosystems. This research aims to evaluate the distribution of heavy metal pollution in water and sediment in the Musi River, which is affected by various anthropogenic activities. Samples for heavy metal analysis were collected from four clusters of observation locations. The heavy metal parameters tested included Cd, Cu, and Pb, which were analyzed using the wet digestion method and measured with an Atomic Absorption Spectrophotometer (AAS). The resulting heavy metal contaminations in sediment were much higher than in water, with Pb having the highest concentration in both matrices. Pb concentrations in sediment ranged from 11.845 to 15.301 mg/kg, while in water they ranged from 0.0791 to 0.0801 mg/L. Cu has more varied concentrations, with the highest value in Cluster 4 sediment of 9.518 mg/kg and water of 0.0160 mg/L. Meanwhile, Cd has a low but significant concentration, with values in sediment ranging from 0.130 to 0.315 mg/kg and in water from 0.0084 to 0.0101 mg/L. This heavy metal pollution shows that sediment functions as the main reservoir for heavy metals due to bioadsorption and precipitation processes from the water column. The implications of these results emphasize the importance of regular environmental monitoring and mitigation of pollution sources to prevent further impacts on the stability of coastal ecosystem.
Logam Berat Pb, Cu, Zn Dan Ni Dalam Air Di Ekosistem Lamun Pulau Pahawang Gusri, Ariqoh Athallah; Rozirwan, Rozirwan; Putri, Wike Ayu Eka
Journal of Tropical Marine Science Vol 8 No 1 (2025): Journal of Tropical Marine Science (on going)
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v8i1.5681

Abstract

In coastal environments and the ecosystems, including seagrass ecosystems, heavy metals can lead to pollution. This study goal is to analyze the concentration of heavy metals in water based on safety standards for marine organisms. Water samples were collected from two locations: Jeralangan HamLet and Cukuh Nyai HamLet in Pahawang Island, Lampung, Indonesia. Water quality parameters were measured in situ. Heavy metals such Pb, Cu, Ni, and Zn were prepared using Wet digestion method and the concentrations were measured using Atomic Absorption Spectrophotometer (AAS) SHIMADZU AA-7000. At the same location, the highest concentration of was observed for Zn 0.406 mg/L at station 2, while the lowest concentration was recorded for Cu 0.019 mg/L. The concentration of heavy metals Pb, Cu, Ni and Zn in water has exceeded the quality standards for marine biota and marine tourism.These research can be used as a basis for future planning in the management of Pahawang Island’s coastal environment.
Keberadaan Logam Berat Pb Dan Cu Pada Bycatch Perikanan Bagan Tancap Di Perairan Banyuasin, Sumatera Selatan Putri, Wike Ayu Eka; Agustriani, Fitri; Harahap, Diny Novita Sari; Purwiyanto, Anna Ida Sunaryo; Fauziyah, Fauziyah; Meiyerani, Jeni
Journal of Tropical Marine Science Vol 8 No 1 (2025): Journal of Tropical Marine Science (on going)
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33019/jour.trop.mar.sci.v8i1.5682

Abstract

Fish and some groups of shrimps and crabs are one of the economically important biota that live in the waters. Accumulation of heavy metals in fish can affect the economic value of marine fishery products. There are several types of fish that contain heavy metals and are harmful when consumed by humans. The purpose of this study was to determine the dominant bycatch fish species and the accumulation of heavy metals Pb and Cu in the bycatch of stationary lift net Pesisir Banyuasin. This study was conducted in November 2019 and the dominant bycatch included japuh fish (Dussumieria acuta), tembang fish (Sardinella fimbriata) and parang-parang fish (Chirocentrus dorab). Samples were taken from one stationary lift net then analysed using SSA (Atomic Absorption Spectrophotometry) with 3 repetitions. The results of the analysis found the average concentration of heavy metals Pb and Cu in japuh fish was 0.65 mg/kg Pb; 0.16 mg/kg Cu. In tembang fish 0.70 mg/kg Pb and 0.03 mg/kg Cu. The parang-parang fish was 0.50 mg/kg and 0.17 mg/kg Cu. Based on the quality standards of SNI, Directorate General of Food and Drug Administration and FAO, the Pb and Cu concentrations of the three types of by-catch fish are still below the quality standard threshold and safe for human consumption.
Screening and Profiling of Antioxidant Activity in Mud Crab (Scylla Serrata) from Banyuasin Waters Rozirwan, Rozirwan; Lestari, Ning Intan; Winarta, Yoga; Isnaini, Isnaini; Putri, Wike Ayu Eka; Hendri, Muhammad; Ulqodry, Tengku Zia; Fauziyah, Fauziyah; Melki, Melki; Nugroho, Redho Yoga; Mohamed, Che Abd Rahim
ILMU KELAUTAN: Indonesian Journal of Marine Sciences Vol 30, No 3 (2025): Ilmu Kelautan
Publisher : Marine Science Department Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ik.ijms.30.3.438-452

Abstract

Mangrove crab (Scylla serrata) as one of the crustacean species, has a variety of bioactive compounds that can be utilized in the field of pharmacology. Antioxidant compounds act as therapeutic agents against degenerative diseases. Banyuasin waters have mangrove vegetation with associated marine organisms that have the potential to be studied for bioactive compounds. This study aims to identify the phytochemical profile quantitatively and qualitatively, samples were collected from mud flats near mangrove ecosystems in Banyuasin waters, South Sumatra. Samples were tested for antioxidant activity using the DPPH test, and IC50 values, qualitative phytochemical identification, and phytochemical profiles were calculated using Gas Chromatography-Mass Spectrometry (GC-MS) analysis. Based on the results of antioxidant testing, the IC50 value of S. serrata extract is 2.25 ppm, the sample is included in the category of very strong antioxidants. Phytochemical test results showed that the compound is thought to contain antioxidant activity from flavonoids and triterpenoids. GC-MS analysis detected major compound groups of alkaloids, purines, and vitamins. Minor compound groups detected amines, terpenoids, monosaccharides, amino acids, fatty acids, silanes, formamides, heterocycles, carboxylic acids, aminoglycosides, naphthalene derivatives, nitriles, amides, glycosides, and peptides. S. serrata extract shows very strong antioxidant activity, with major compounds such as alkaloids, purines, and vitamins. S. serrata extract detected compounds that have been reported as anti-inflammatory, anticancer, antimicrobial, and antiviral. These findings highlight the pharmaceutical potential of S. serrata as a source of bioactive compounds. The results of this study provide valuable information for the development of alternative medicines derived from marine organisms.
Persebaran Mikroplastik di Lintas Ekosistem Sumatera Selatan Purwiyanto, Anna Ida Sunaryo; Putri, Wike Ayu Eka; Melki, Melki; Barus, Beta Susanto; Suteja, Yulianto
Buletin Oseanografi Marina Vol 14, No 3 (2025): Buletin Oseanografi Marina
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/buloma.v14i3.75654

Abstract

Penelitian ini mengkaji keberadaan dan distribusi mikroplastik di muara dan sepanjang Sungai Musi di Sumatera Selatan, Indonesia—suatu kawasan yang terdampak berat oleh pencemaran industri, domestik, dan pertanian. Sampel diambil dari lima stasiun, dengan hasil menunjukkan rata-rata konsentrasi mikroplastik sebesar 33,8 partikel/m3. Konsentrasi tertinggi ditemukan di pertemuan Sungai Upang, kemungkinan akibat limpasan perkotaan dan buangan industri, sementara konsentrasi terendah terdeteksi di sekitar Jembatan Ampera dan Pulau Kemaro, di mana turbulensi air lokal dapat mendorong terjadinya sedimentasi mikroplastik. Mikroplastik yang teridentifikasi didominasi oleh fragmen (77,5%) dan serat (22,5%), dengan sebagian besar partikel berada dalam kisaran ukuran 301–500 µm. Jenis polimer yang paling dominan adalah Low-Density Polyethylene (LDPE), yang umumnya berasal dari limbah kemasan konsumen. Temuan ini menegaskan peran Sungai Musi sebagai jalur transportasi mikroplastik dari daratan menuju ekosistem laut, yang berpotensi menimbulkan risiko besar terhadap keanekaragaman hayati akuatik dan rantai makanan. Selain merusak habitat perairan, mikroplastik juga dapat menjadi media pembawa logam berat dan zat beracun lainnya, sehingga memperparah dampak ekologisnya.
Co-Authors Ade Siswanto Akdhia Besta Sari Amelia Fitriani, Amelia Ananta, Dio Alif Andrian Saputra Andrian Saputra Ani Haryati, Ani Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Anna Ida Sunaryo Purwiyanto Annisa Agustina Kurnia Putri Apon Zaenal Mustopa Aranxa, Virly Barus, Beta Susanto Berliana Iksy Della Beta Susanto Barus Beta Susanto Barus Che Abd Rahim Mohamed De Karo, Fransiskus Dianysah, Gusti Dietriech Geoffrey Bengen Dika Ardila Elyakim Sitorus Etty Riani Fajri, M. Awaluddin Fauziyah FAUZIYAH Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fauziyah Fikriyya, Nabela Fitri Agustriani Fitri Meiriyani Gusri, Ariqoh Athallah Gusti Diansyah Gusti Diansyah Gusti Diansyah Gusti Diansyah Gusti Diansyah Harahap, Diny Novita Sari Hartoni Hartoni Hartoni HEDI INDRA JANUAR Heron Surbakti Ida Riyanti Indra Yustian Isnaini Isnaini . Isnaini Isnaini Khotimah, Nadila Nur Kurniawan, Mardian Candra Latupeirissa, Cherokee Mikha-El Lestari, Ning Intan Lidya Grace Lidya Grace Lilik Maslukah M. Andrian Putra Pratama M. Awaluddin Fajri M. Hendri M. Yosi Prasetyo Mardian Candra Kurniawan Mei Ida Susanti Meiriyani, Fitri Meiyerani, Jeni Melki Melki , Melki Melki Melki Melki Melki Melki Moh. Muhaemin Moh. Muhaemin Mohamed, Che Abd Rahim Muhammad Hendri Muhammad Hendri Muhtadi Muhtadi Muhtadi Nadila Nur Khotimah Nadila Nur Khotimah Nidia Nova Riena Ningsih, Ellis Nurjuliasti Novi Anggraini Novi Angraini Novitasari, Tri Ayu Prihatiningsih, Isnaini Rahmad Purnama Rahmad Purnama, Rahmad Raihan, Muhammad Ramadhian, M. Zalfa Ramses Redho Yoga Nugroho Rezi Apri Ria Ariana Riena, Nidia Nova Riris Aryawati Rozirwan . RR. Ella Evrita Hestiandari Santeri, Tiara Sarno . Siddik, Judistira Sitorus, Rijal Suai Batul Aslamiah Tengku Zia Ulqodry Tengku Zia Ulqodry Tjahjo Winanto, Tjahjo Tri Prartono Wahyudi Wahyudi Widiya Nopita Sari Winarta, Yoga Yuanita Windusari Yulianto Suteja Yundari, Yundari Yusni Ikhwan Siregar