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Seagrass Ecosystem Assesment for Dugong Conservation: Integrating Anthropogenic Activites and Oceanographic Parameters in East Java’s Coastal Waters

Jurnal Ilmiah Perikanan dan Kelautan · Vol. 17 No. 3 (2025) · hlm. 785–797

DOI
10.20473/jipk.v17i3.71841
ISSN
2528-0759, 2085-5842
Terbit
2025-07-25
Penerbit
Faculty of Fisheries and Marine Universitas Airlangga
Bahasa
eng
Lisensi
creativecommons.org/licenses/by-nc-sa/4.0

Abstrak

Graphical Abstract Highlight Research 1. The study successfully identified the utilization of coastal and marine areas within the research site. 2. Oceanographic parameters across the study area have been analyzed, providing insights into variations in environmental conditions favoring seagrass ecosystem resilience. 3. The structure of seagrass vegetation has been thoroughly observed, revealing differences in species composition, density, and coverage. 4. Furthermore, the study establishes the connectivity between coastal and marine spatial utilization, oceanographic factors, and seagrass ecosystem dynamics, highlighting their interdependent relationships. Abstract This study aims to assess the ecological status of seagrass meadows and their relationship with dugong (Dugong dugon) habitats across four distinct ecological regions in East Java, Indonesia. Field assessments were conducted to evaluate seagrass community structure, oceanographic parameters, and the intensity of human activities. Seagrass distribution was mapped using Sentinel-2A satellite imagery, while seagrass health was evaluated through the Seagrass Ecological Quality Index (SEQI) and Importance Value Index (IVI). Statistical analyses, including Analysis of Variance (ANOVA) and Principal Component Analysis (PCA), were employed to identify significant differences and key environmental drivers. The results revealed marked spatial variation in oceanographic characteristics and seagrass coverage (p lt; 0.05). PCA showed that anthropogenic factors—particularly marine space utilization such as aquaculture and coastal development—were major contributors to seagrass degradation. Elevated nutrient concentrations were also associated with declining seagrass health, indicating land-based pollution as a dominant stressor. These findings underline the urgent need for integrated coastal zone management. Strengthening conservation policies, reducing terrestrial runoff, and implementing sustainable marine spatial planning are critical to safeguard seagrass ecosystems and ensure the long-term survival of dugong populations in Indonesian waters.

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  • University of Brawijaya
  • IPB University
  • University of Miyazaki
  • Universitas Gadjah Mada
  • Leiden University
  • Udayana University
  • Universitas Muhammadiyah Malang
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Rekan penulisOrganisasiArtikel bersama
Abdul Latief AbadiUniversity of Brawijaya3
Luqman Qurata AiniUniversity of Brawijaya3
Syarifah Hikmah Julinda SariUniversity of Brawijaya3
Muhammad Arif RahmanUniversity of Brawijaya3
Karuniawan Puji WicaksonoUniversity of Brawijaya2
Toto HimawanUniversity of Brawijaya2
Suputa SuputaUniversitas Gadjah Mada2
Riya Fatma SariUniversitas Gadjah Mada2
Mujizat KawaroeIPB University2
Dea Fauzia LestariIPB University2
I.N.G. WardanaUniversity of Brawijaya2
I Ketut Gede WirawanUdayana University2
Rudy SoenokoUniversity of Brawijaya2
Oktiyas Muzaky LuthfiUniversity of Brawijaya1
Edson BegliominiAfiliasi tidak diketahui1
Hasan SupraptoUniversity of Brawijaya1
Silvi IkawatiUniversity of Brawijaya1
Aminudin AfandhiUniversity of Brawijaya1
Fery Abdul CholiqUniversity of Brawijaya1
Havinda Anggrilika W.S.University of Brawijaya1
Yasa Palaguna UmarUniversity of Miyazaki1
Satoshi ItoUniversity of Miyazaki1
Yasushi MitsudaUniversity of Miyazaki1
Ryoko HirataAfiliasi tidak diketahui1
Tsuyoshi KajisaAfiliasi tidak diketahui1
Arifin Noor SugihartoUniversity of Brawijaya1
Moch. Dawam MaghfoerAfiliasi tidak diketahui1
Mudji SantosaUniversity of Brawijaya1
Erfan Dani SeptiaUniversitas Muhammadiyah Malang1
Hongye QiKyoto University1

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Sumber metadata: OAI-PMH (metadata jurnal) https://e-journal.unair.ac.id/index.php/JIPK/oai, pertama di-harvest 9 Nov 2026, terakhir terlihat 9 Nov 2026.
Metadata asli (oai_dc) 
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	<dc:title xml:lang="en-US">Seagrass Ecosystem Assesment for Dugong Conservation: Integrating Anthropogenic Activites and Oceanographic Parameters in East Java’s Coastal Waters</dc:title>
	<dc:creator>Dewi, Citra Satrya Utama</dc:creator>
	<dc:creator>Ciptadi, Gatot</dc:creator>
	<dc:creator>Wahyudi, Slamet</dc:creator>
	<dc:creator>Wiadnya , Dewa Gede Raka </dc:creator>
	<dc:creator> Semedi, Bambang</dc:creator>
	<dc:creator>Sukandar, Sukandar</dc:creator>
	<dc:creator>Isdianto, Andik </dc:creator>
	<dc:creator>Sunuddin, Adriani </dc:creator>
	<dc:creator>Herandarudewi, Sekar Mira </dc:creator>
	<dc:creator>Tarno, Hagus </dc:creator>
	<dc:subject xml:lang="en-US">Seagrass Ecosystem</dc:subject>
	<dc:subject xml:lang="en-US">Marine Spatial Utilization</dc:subject>
	<dc:subject xml:lang="en-US">Oceanographic parameters</dc:subject>
	<dc:subject xml:lang="en-US">Conservation</dc:subject>
	<dc:subject xml:lang="en-US">East Java</dc:subject>
	<dc:subject xml:lang="en-US">Dugong</dc:subject>
	<dc:description xml:lang="en-US">Graphical Abstract

 
Highlight Research
1. The study successfully identified the utilization of coastal and marine areas within the research site.
2. Oceanographic parameters across the study area have been analyzed, providing insights into variations in environmental conditions favoring seagrass ecosystem resilience.
3. The structure of seagrass vegetation has been thoroughly observed, revealing differences in species composition, density, and coverage.
4. Furthermore, the study establishes the connectivity between coastal and marine spatial utilization, oceanographic factors, and seagrass ecosystem dynamics, highlighting their interdependent relationships.
 
 
Abstract
This study aims to assess the ecological status of seagrass meadows and their relationship with dugong (Dugong dugon) habitats across four distinct ecological regions in East Java, Indonesia. Field assessments were conducted to evaluate seagrass community structure, oceanographic parameters, and the intensity of human activities. Seagrass distribution was mapped using Sentinel-2A satellite imagery, while seagrass health was evaluated through the Seagrass Ecological Quality Index (SEQI) and Importance Value Index (IVI). Statistical analyses, including Analysis of Variance (ANOVA) and Principal Component Analysis (PCA), were employed to identify significant differences and key environmental drivers. The results revealed marked spatial variation in oceanographic characteristics and seagrass coverage (p lt; 0.05). PCA showed that anthropogenic factors—particularly marine space utilization such as aquaculture and coastal development—were major contributors to seagrass degradation. Elevated nutrient concentrations were also associated with declining seagrass health, indicating land-based pollution as a dominant stressor. These findings underline the urgent need for integrated coastal zone management. Strengthening conservation policies, reducing terrestrial runoff, and implementing sustainable marine spatial planning are critical to safeguard seagrass ecosystems and ensure the long-term survival of dugong populations in Indonesian waters.</dc:description>
	<dc:publisher xml:lang="en-US">Faculty of Fisheries and Marine Universitas Airlangga</dc:publisher>
	<dc:date>2025-07-25</dc:date>
	<dc:type>info:eu-repo/semantics/article</dc:type>
	<dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
	<dc:format>text/xml</dc:format>
	<dc:format>application/pdf</dc:format>
	<dc:identifier>https://e-journal.unair.ac.id/JIPK/article/view/71841</dc:identifier>
	<dc:identifier>10.20473/jipk.v17i3.71841</dc:identifier>
	<dc:source xml:lang="en-US">Jurnal Ilmiah Perikanan dan Kelautan; Vol. 17 No. 3 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN; 785-797</dc:source>
	<dc:source>2528-0759</dc:source>
	<dc:source>2085-5842</dc:source>
	<dc:language>eng</dc:language>
	<dc:relation>https://e-journal.unair.ac.id/JIPK/article/view/71841/35322</dc:relation>
	<dc:relation>https://e-journal.unair.ac.id/JIPK/article/view/71841/33789</dc:relation>
	<dc:rights xml:lang="en-US">Copyright (c) 2025 Jurnal Ilmiah Perikanan dan Kelautan</dc:rights>
	<dc:rights xml:lang="en-US">http://creativecommons.org/licenses/by-nc-sa/4.0</dc:rights>
</oai_dc:dc>