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Heavy Metal Accumulation and Ecological Risk on Seagrass Cymodocea and Thalassia in Pahawang Island, Indonesia

ILMU KELAUTAN: Indonesian Journal of Marine Sciences · Vol. 30 No. 2 (2025) · hlm. 274–288

DOI
10.14710/ik.ijms.30.2.274-288
ISSN
2406-7598, 0853-7291
Terbit
2025-06-15
Penerbit
Marine Science Department Diponegoro University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

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 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.

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  • Sriwijaya University
  • National Research and Innovation Agency
  • Universitas Gadjah Mada
  • Indonesian Institute of Sciences
  • National University of Malaysia
  • Padjadjaran University
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Rekan penulisOrganisasiArtikel bersama
Fauziyah FauziyahSriwijaya University10
Tengku Zia UlqodrySriwijaya University10
Ning Intan LestariSriwijaya University6
Yoga WinartaSriwijaya University6
Muhtadi MuhtadiSriwijaya University4
Nadila Nur KhotimahSriwijaya University4
Riris AryawatiSriwijaya University4
Apon Zaenal MustopaNational Research and Innovation Agency2
Anna Ida Sunaryo PurwiyantoSriwijaya University2
Jaka WidadaUniversitas Gadjah Mada1
Murwantoko MurwantokoUniversitas Gadjah Mada1
Alim IsnansetyoUniversitas Gadjah Mada1
FauziyahAfiliasi tidak diketahui1
Fatimah FatimahNational Research and Innovation Agency1
Fitri AgustrianiSriwijaya University1
Langgeng PriyantoSriwijaya University1
Nita Puspita SariSriwijaya University1
MelkiAfiliasi tidak diketahui1
HartoniAfiliasi tidak diketahui1
Jeni MeiyeraniSriwijaya University1
M. Zalfa RamadhianSriwijaya University1
Zohanto WidyantokoAfiliasi tidak diketahui1
Titik Purwati WidowatiAfiliasi tidak diketahui1
Paras TrapsiladiAfiliasi tidak diketahui1
Arief Aulia RachmanNational Research and Innovation Agency1
Lady Ayu Sri WijayantiPadjadjaran University1
Mochamad Ramdhan FirdausNational Research and Innovation Agency1
Yustian Rovi AlfiansyahAfiliasi tidak diketahui1
Adi PurwandanaIndonesian Institute of Sciences1
Hanif Budi PrayitnoNational Research and Innovation Agency1
Oksto Ridho SianturiIndonesian Institute of Sciences1
Nurul FitriyaNational Research and Innovation Agency1
Hagi Yulia SugehaNational Research and Innovation Agency1

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Sumber metadata: OAI-PMH (metadata jurnal) http://ejournal.undip.ac.id/index.php/ijms/oai, pertama di-harvest 8 Nov 2026, terakhir terlihat 8 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Heavy Metal Accumulation and Ecological Risk on Seagrass Cymodocea and Thalassia in Pahawang Island, Indonesia</dc:title>
	<dc:creator>Gusri, Ariqoh Athallah</dc:creator>
	<dc:creator>Rozirwan, Rozirwan</dc:creator>
	<dc:creator>Putri, Wike Ayu Eka</dc:creator>
	<dc:creator>Melki, Melki</dc:creator>
	<dc:creator>Isnaini, Isnaini</dc:creator>
	<dc:creator>Nugroho, Redho Yoga</dc:creator>
	<dc:creator>Mohamed, Che Abd Rahim</dc:creator>
	<dc:subject xml:lang="en-US">Accumulation; Cymodocea; Ecological risk assessment; Heavy metal; Thalassia</dc:subject>
	<dc:description xml:lang="en-US">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 &lt; 1 categorize an excluder, while TF &gt; 1 for Pb and Zn indicate effective translocation from roots to leaves. Additionally, Igeo &lt; 0 signify no contamination, Cf &lt; 1 indicate low pollution levels, and PLI &lt; 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.</dc:description>
	<dc:publisher xml:lang="en-US">Marine Science Department Diponegoro University</dc:publisher>
	<dc:date>2025-06-15</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:type xml:lang="en-US"></dc:type>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://ejournal.undip.ac.id/index.php/ijms/article/view/67097</dc:identifier>
	<dc:identifier>10.14710/ik.ijms.30.2.274-288</dc:identifier>
	<dc:source xml:lang="en-US">ILMU KELAUTAN: Indonesian Journal of Marine Sciences; Vol 30, No 2 (2025): Ilmu Kelautan; 274-288</dc:source>
	<dc:source>2406-7598</dc:source>
	<dc:source>0853-7291</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://ejournal.undip.ac.id/index.php/ijms/article/view/67097/pdf</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2025 ILMU KELAUTAN: Indonesian Journal of Marine Sciences</dc:rights>
	<dc:rights xml:lang="en-US">https://creativecommons.org/licenses/by-sa/4.0</dc:rights>
</oai_dc:dc>