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Decadal Remote Sensing Analysis of Seagrass Changes in Palu Bay, Central Sulawesi

Indonesian Journal of Geography · Vol. 55 No. 2 (2023) · hlm. 291–301

DOI
10.22146/ijg.78701
ISSN
2354-9114, 0024-9521
Terbit
2023-08-18
Penerbit
Faculty of Geography, Universitas Gadjah Mada
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc/4.0

Abstrak

Seagrass meadows provide a variety of material, non-material and regulatory coastal ecosystem service; however, as the distribution of seagrass beds changes over time due to both anthropogenic activities and natural factors, it is important to monitor changes in seagrass condition. Seagrass meadows in Palu Bay are threatened by activities such as coastal development and land reclamation. Additionally, the bay was hit by a significant tsunami in 2018, which could have impacted ecosystems in the bay, including seagrass meadows. The aim of this study was to detect changes in seagrass extent and distribution over a 10-year period from 2012 to 2022 and changes in land use over approximately a decade (2010 and 2021) through the use of remote sensing technology. Changes in eagrass meadow areal extent were analyzed using data from a 2012 Landsat 7 Satellite Data Acquisition and a 2022 Landsat 8 Satellite Data Acquisition. Water column correction was implemented using the Lyzenga Algorithm. The results showed a significant decrease in the area of seagrass meadows around the coastal area of Palu Bay. Seagrass meadows in 2012 and 2022 covered 127.08 Ha and 87.79 Ha, respectively, indicating a decrease in extent of 43.29 Ha. As the accuracy of the satellite data classification results was 80%, the results are considered acceptable. Anthropogenic activities (mainly mining and construction related) are strongly suspected as the main drivers of this decline, while earthquake and tsunami events likely aggravated the degradation of coastal ecosystems in Palu Bay, including seagrass meadows.

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  • Hasanuddin University
  • Institut Teknologi dan Kesehatan Avicenna
  • Universitas Sulawesi Tenggara
  • Universitas Halu Oleo
  • Tadulako University
  • Sultan Ageng Tirtayasa University
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Rekan penulisOrganisasiArtikel bersama
Shinta WerorilangiHasanuddin University10
Akbar TahirHasanuddin University6
Muhammad Farid SamawiHasanuddin University4
Chair RaniHasanuddin University4
Abdul HarisHasanuddin University3
Jamaluddin JompaHasanuddin University3
Yayu Anugrah La NafieHasanuddin University3
Supriadi MashorengHasanuddin University3
Abigail Mary MooreHasanuddin University3
Mahatma LanuruHasanuddin University2
Chair RaniAfiliasi tidak diketahui2
Muh. Farid SamawiHasanuddin University2
Andi Iqbal BurhanuddinHasanuddin University2
Rantih IsyriniHasanuddin University2
Muhammad Natsir NessaAfiliasi tidak diketahui2
Muh IsmanHasanuddin University2
Amran SaruHasanuddin University2
Wasir SamadHasanuddin University2
Hasriani Ayu LestariHasanuddin University2
Nurjannah NurdinHasanuddin University2
Muhammad Banda SelamatHasanuddin 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
Nisa Nadziro KhoolishohHasanuddin University1
Cintya PaduaHasanuddin University1
Putri AdeliaHasanuddin University1

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Sumber metadata: OAI-PMH (metadata jurnal) http://jurnal.ugm.ac.id/ijg/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">Decadal Remote Sensing Analysis of Seagrass Changes in Palu Bay, Central Sulawesi</dc:title>
	<dc:creator>Tis'in, Musayyadah</dc:creator>
	<dc:creator>Ambo-Rappe, Rohani</dc:creator>
	<dc:creator>Supriadi, Supriadi</dc:creator>
	<dc:creator>Faizal, Ahmad</dc:creator>
	<dc:subject xml:lang="en-US">Earth and Planetary science, Environmental sciences, satellite imagery</dc:subject>
	<dc:subject xml:lang="en-US">Seagrass meadows; satellite imagery; anthropogenic activities</dc:subject>
	<dc:subject xml:lang="en-US"></dc:subject>
	<dc:description xml:lang="en-US">Seagrass meadows provide a variety of material, non-material and regulatory coastal ecosystem service; however, as the distribution of seagrass beds changes over time due to both anthropogenic activities and natural factors,  it is important to monitor changes in seagrass condition. Seagrass meadows in Palu Bay are threatened by activities such as coastal development and land reclamation. Additionally, the bay was hit by a significant tsunami in 2018, which could have impacted ecosystems in the bay, including seagrass meadows. The aim of this study was to detect changes in seagrass extent and distribution over a 10-year period from 2012 to 2022 and changes in land use over approximately a decade (2010 and 2021) through the use of remote sensing technology. Changes in eagrass meadow areal extent were analyzed using data from a 2012 Landsat 7 Satellite Data Acquisition and a 2022 Landsat 8 Satellite Data Acquisition. Water column correction was implemented using the Lyzenga Algorithm. The results showed a significant decrease in the area of seagrass meadows around the coastal area of Palu Bay. Seagrass meadows in 2012 and 2022 covered 127.08 Ha and 87.79 Ha, respectively, indicating a decrease in extent of 43.29 Ha. As the accuracy of the satellite data classification results was 80%, the results are considered acceptable. Anthropogenic activities (mainly mining and construction related) are strongly suspected as the main drivers of this decline, while earthquake and tsunami events likely aggravated the degradation  of coastal ecosystems in Palu Bay, including seagrass meadows.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Geography, Universitas Gadjah Mada</dc:publisher>
	<dc:contributor xml:lang="en-US">Postgraduate Studies Hasanuddin University, Kemenristek-BRIN</dc:contributor>
	<dc:date>2023-08-18</dc:date>
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	<dc:type xml:lang="en-US">Peer-reviewed Article</dc:type>
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	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://journal.ugm.ac.id/ijg/article/view/78701</dc:identifier>
	<dc:identifier>10.22146/ijg.78701</dc:identifier>
	<dc:source xml:lang="en-US">Indonesian Journal of Geography; Vol 55, No 2 (2023): Indonesian Journal of Geography; 291-301</dc:source>
	<dc:source>2354-9114</dc:source>
	<dc:source>0024-9521</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/view/78701/pdf</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/downloadSuppFile/78701/23645</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/downloadSuppFile/78701/23646</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/downloadSuppFile/78701/23647</dc:relation>
	<dc:relation>https://journal.ugm.ac.id/ijg/article/downloadSuppFile/78701/23648</dc:relation>
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	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:coverage xml:lang="en-US"></dc:coverage>
	<dc:rights xml:lang="en-US">Copyright (c) 2023 Musayyadah Tis'in, Rohani Ambo-Rappe, Supriadi Supriadi, Ahmad Faizal</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc/4.0</dc:rights>
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