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Remote Sensing-Based Assessment of Seagrass Health and Carbon Sequestration in Wakatobi National Park

ILMU KELAUTAN: Indonesian Journal of Marine Sciences · Vol. 30 No. 4 (2025) · hlm. 519–532

DOI
10.14710/ik.ijms.30.4.519-532
ISSN
2406-7598, 0853-7291
Terbit
2025-12-20
Penerbit
Marine Science Department Diponegoro University
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-sa/4.0

Abstrak

The Wakatobi waters, part of the Wakatobi National Park, host an extensive seagrass ecosystem; however, detailed information on its exact coverage remains relatively scarce. To address this, remote sensing technology is essential for providing a comprehensive overview of the seagrass ecosystem's condition over a broad area in a relatively short time. This study focuses on analyzing the condition of seagrass through both direct measurements and remote sensing, as well as evaluating its carbon content, particularly in Wangi-Wangi Island. Conducted from January to December 2023, the research employed an exploratory approach with purposive sampling to categorize seagrass coverage as low, medium, and high. Seagrass types and total coverage were measured using 1m × 1m quadrat transects. Organic carbon content was analyzed using the Walkley and Black (WB) method, while satellite imagery from Landsat 8 (2013) and Landsat 9 (2023) was used to assess the overall coverage and distribution of seagrass. The study identified nine seagrass species, including Cymodocea serrulata, Cymodocea rotundata, Enhalus acoroides, Halodule pinifolia, Halodule uninervis, Halophila ovalis, Syringodium isoetifolium, Thalassodendron ciliatum, and Thalassia hemprichii. Seagrass conditions ranged from low (26.20%) to medium (62.50%) and high (80.48%). The seagrass area declined from 2,209.4 ha in 2013 to 2,044 ha in 2023. Average carbon content was 4.29 Mg C.ha-1, with carbon stock estimates between 755,844.82 and 11,984,600.79 Mg C.ha-1. The decline in seagrass coverage in Wangi-Wangi Island is attributed to environmental degradation and human activities, including coastal development. Denser seagrass areas were found to have greater carbon sequestration potential, emphasizing the ecological significance of maintaining healthy seagrass ecosystems.

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  • Hasanuddin University
  • Institut Teknologi dan Kesehatan Avicenna
  • Universitas Sulawesi Tenggara
  • Universitas Halu Oleo
  • First Institute of Oceanography
  • Sultan Ageng Tirtayasa University
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Rekan penulisOrganisasiArtikel bersama
Mahatma LanuruHasanuddin University7
Supriadi MashorengHasanuddin University6
Rohani Ambo‐RappeHasanuddin University5
Amir Hamzah MuhiddinHasanuddin University3
Khairul AmriHasanuddin University3
Khairul AmriHasanuddin University2
Mukti ZainuddinHasanuddin University2
Safruddin SafruddinHasanuddin University2
Muh. Banda SelamatHasanuddin University2
Chair RaniHasanuddin University2
Marzuki UkkasHasanuddin University2
Alimuddin AlimuddinSultan Ageng Tirtayasa University1
Ayu Lestari DewiUniversitas Sulawesi Tenggara1
Muh. TahirUniversitas Halu Oleo1
La NiasaUniversitas Sulawesi Tenggara1
Hijriani HijrianiUniversitas Sulawesi Tenggara1
M. YusufUniversitas Sulawesi Tenggara1
Santi SantiUniversitas Halu Oleo1
Endang SusilawatiInstitut Teknologi dan Kesehatan Avicenna1
Aidil ShafwanInstitut Teknologi dan Kesehatan Avicenna1
Rasma RasmaInstitut Teknologi dan Kesehatan Avicenna1
Maryuni FirdayanaInstitut Teknologi dan Kesehatan Avicenna1
Murlan MurlanInstitut Teknologi dan Kesehatan Avicenna1
Rasyid JalilAfiliasi tidak diketahui1
- Muh HattaAfiliasi tidak diketahui1
M. LukmanAfiliasi tidak diketahui1
Taufikurrahman TaufikurrahmanAfiliasi tidak diketahui1
Rahmadi TambaruHasanuddin University1
Astrid W. JunaidiHasanuddin University1
Andi MallombasiHasanuddin University1
MUH.AQRAM RAMADHANAfiliasi tidak diketahui1
SyafiuddinAfiliasi tidak diketahui1
Nuryani Khadijah SyahputriHasanuddin University1

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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">Remote Sensing-Based Assessment of Seagrass Health and Carbon Sequestration in Wakatobi National Park</dc:title>
	<dc:creator>Fauziah, Eka</dc:creator>
	<dc:creator>Nurdin, Nurjannah</dc:creator>
	<dc:creator>Nafie, Yayu A. La</dc:creator>
	<dc:creator>Selamat, Muhammad Banda</dc:creator>
	<dc:creator>Supriadi, Supriadi</dc:creator>
	<dc:creator>Idrus, Muhammad Rijal</dc:creator>
	<dc:creator>Zhang, Xuelei</dc:creator>
	<dc:subject xml:lang="en-US">Seagrass; Seagrass carbon stock; Seagrass persen cover; Remote sensing; Wakatobi National Park</dc:subject>
	<dc:description xml:lang="en-US">The Wakatobi waters, part of the Wakatobi National Park, host an extensive seagrass ecosystem; however, detailed information on its exact coverage remains relatively scarce. To address this, remote sensing technology is essential for providing a comprehensive overview of the seagrass ecosystem's condition over a broad area in a relatively short time. This study focuses on analyzing the condition of seagrass through both direct measurements and remote sensing, as well as evaluating its carbon content, particularly in Wangi-Wangi Island. Conducted from January to December 2023, the research employed an exploratory approach with purposive sampling to categorize seagrass coverage as low, medium, and high. Seagrass types and total coverage were measured using 1m × 1m quadrat transects. Organic carbon content was analyzed using the Walkley and Black (WB) method, while satellite imagery from Landsat 8 (2013) and Landsat 9 (2023) was used to assess the overall coverage and distribution of seagrass. The study identified nine seagrass species, including Cymodocea serrulata, Cymodocea rotundata, Enhalus acoroides, Halodule pinifolia, Halodule uninervis, Halophila ovalis, Syringodium isoetifolium, Thalassodendron ciliatum, and Thalassia hemprichii. Seagrass conditions ranged from low (26.20%) to medium (62.50%) and high (80.48%). The seagrass area declined from 2,209.4 ha in 2013 to 2,044 ha in 2023. Average carbon content was 4.29 Mg C.ha-1, with carbon stock estimates between 755,844.82 and 11,984,600.79 Mg C.ha-1. The decline in seagrass coverage in Wangi-Wangi Island is attributed to environmental degradation and human activities, including coastal development. Denser seagrass areas were found to have greater carbon sequestration potential, emphasizing the ecological significance of maintaining healthy seagrass ecosystems.</dc:description>
	<dc:publisher xml:lang="en-US">Marine Science Department Diponegoro University</dc:publisher>
	<dc:date>2025-12-20</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/68872</dc:identifier>
	<dc:identifier>10.14710/ik.ijms.30.4.519-532</dc:identifier>
	<dc:source xml:lang="en-US">ILMU KELAUTAN: Indonesian Journal of Marine Sciences; Vol 30, No 4 (2025): Ilmu Kelautan; 519-532</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/68872/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>