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Journal : Journal of Fisheries

Seagrass Ecosystem Assesment for Dugong Conservation: Integrating Anthropogenic Activites and Oceanographic Parameters in East Java’s Coastal Waters Dewi, Citra Satrya Utama; Ciptadi, Gatot; Wahyudi, Slamet; Wiadnya , Dewa Gede Raka; Semedi, Bambang; Sukandar, Sukandar; Isdianto, Andik; Sunuddin, Adriani; Herandarudewi, Sekar Mira; Tarno, Hagus
Jurnal Ilmiah Perikanan dan Kelautan Vol. 17 No. 3 (2025): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v17i3.71841

Abstract

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 < 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.
Co-Authors A Alfan Jauhari Abu Bakar Sambah Ade Yamindago Adriani Sunuddin Agus Tumulyadi Agus Tumulyadi Aisyiyah Nurmarina Bestari Al Indunissy, Nuruddin Al Maky, Nuril Huda Alfi Nur Rusydi Alfiana, Silvina Sita Ali Arman Lubis Ali Arman Lubis Aliviyanti, Dian Aliyah, Nada Rahma Amanda Rifan Fathoni Ammara, Laya Anda Putra R. Sirait Angga Wira Perdana Anthon Andrimida, Anthon Aprilia, Maulydiana Afrina Arbiansyah, Moh Junit Ari Widodo Arief Setyanto Arief Setyanto Ariefandi, Muhammad Fikri Arif , Abdul Hamid Arif, Abdul Hamid Arifianti, Dwi Nurjanatin Aris Subagiyo Arsad, Sulastri Asadi, M. Arif Ash S, Muhammad Hasbiy Asmirijal, Amrey Syahnur As’adi, M. Arif Atmaja, Albertus Aldo Danar Atminenggar, Alinda Najma Aulia Lanudia Fathah Awalrush Andira A’yun, Qurrota Bambang Semedi Bayu Kusuma Berlania Mahardika Putri Citra Satrya Utama Dewi Daduk Setyohadi Darmawan Ockto Sutjipto Defa Rizqi Machfuda Defri Yona Dewa Gede Raka Wiadnya Dewa Gede Raka Wiadnya Dewi, Citra Satrya Utama Dhea, Luthfia Ayu Dhiana Puspitawati Diah Kurniasari Dina Andriani Djoko Lelono, Tri Edi Susilo Ekwan Nofa Wiratno El Rahimi, Sayyid Afdhal Eziah Ika Lubada Fajariadi, Thry Harry Fan Puji Ananda Musalima Faradhilah Adibah Faradhillah Adibah Faradhillah Adibah Faradhillah Adibah Fathah, Aulia Lanudia Fetriyani Fetriyani Fitrianti , Novariza Fitrianti, Novariza Fuad, Muhammad Arif Zainul Fuaidi, Jirjis Ahmad Nur Gatot Ciptadi Gatut Bintoro Ghatfan, Reiky Naufal Gibran, Khalil Gilang Rusrita Aida Gilang Rusrita Aida Ginting, Meliani Ananda Br. Guntur Hadiyah, Lisa Nur Hagus Tarno Hamdallah, Dika Puja Hamzah Hamzah Hartati Kartikaningsih Hasyim, Bunga Ashluna Haykal, Muchamad Fairuz Herandarudewi, Sekar Mira Humairi, Nasywa Anargya Ilham Maulana Asyari Ilham Maulana Asyari Intan Dwi Puspitasari Irawan, Muhammad Fathir Irwan Jatmiko Ishaq, Syafrial Yanuar Jati Batoro Kamilatunnisa, Kamilatunnisa Khurniawan, Dhira Kristera Tesa Bere Mau Kristina Marsela Kriyo Sambodho Kryk, Adryan Kudrati, Amelinda Vivian Kurniasari, Diah Kurniasari, Reni Dyah Yuni Kusumawardhani, Dinda Ayu Lanudia Fathah, Aulia Lisa Nur Hidayah Lutfi Ni`&#039;Matus Salamah Lutfia Fahimatul Ilmi Luthfi, M. Azurea Bahri Mahardika Putri, Berlania Maheno Sri Widodo, Maheno Sri Maisa Maisa, Maisa Marsela, Kristina Maulana Fikri Mayshita Yonar Mercyska Suryandari Mochamad Arif Zainul Fuad Mohammad Arif Asadi Muchamad Fairuz Haykal Muchamad Fairuz Haykal Muchamad Fairuz Haykal Muchamad Fairuz Haykal Muh. Afrisal Muhammad Arif Asadi, Muhammad Arif Muhammad Fikri Ariefandi Muhammad Javier Irsyad Muhammad Javier Irsyad Muhammad Javier Irsyad Nasrudin, Abdul Rohman Nasution, Fakhri Zakariyah Nezya Pramudya Wardani Nico Rahman Caesar Niken Hendrakusma Wardani Nisrina, Aliyya Nizery, Sefhanissa Puspa Retno Novariza Fitrianti Nuddin Harahab Nur Hidayah, Lisa Oktiyas Muzaky Lutfi Oktiyas Muzaky Luthfi Oktiyas Muzaky Luthfi Oktiyas Muzaky Luthfi oktiyas muzaky Luthfi, oktiyas muzaky Oktiyas Muzaky Muzaky Luthfi Pangestu, Wanda Suryani Pattisahusiwa, Annisa Shafira P. Permata, Titanora Lintang Puspitasari, Intan Dwi Putra, Muhammad Naufal Eka Putri, Berlania Mahardika Rafif Zul Fahmi Rahma, Annisa Maulidina Rahmadhani, Aida Rahmah Ramadhanti, Nur Fa'izah Fitri Rarasrum Dyah Kasitowati Rarasrum Dyah Kasitowati Raymundus Putra Situmorang Rihmi, Mihrobi Khalwatu Rijatmoko, Sigit Rijatmoko, Sigit Rudianto Rudianto Rudianto Rudianto Rudianto Sambodho, Kriyo Saputra, Dhira Kurniawan Saputra, Tedy Eko Seftiawan Samsu Rijal Seftiawan Samsu Rijal, Seftiawan Samsu Septi Fandinata, Selly Septiandi, Adrian Rahman Septiansyah, Moch. Rafli Setyanto, Arif Setyawan, Fahreza Okta Shafa Thasya Thaeraniza Shofian Nanda Adiprayoga Sigit Rijatmoko Slamet Wahyudi Sucianingsih, Ni Komang Diah Sukandar Sukandar Sulkhani Yulianto, Eko Supriatna Supriatna Supriatna Supriyadi Supriyadi Supriyadi Supriyadi Supriyadi Supriyadi Supriyadi Supriyadi Supriyadi Supriyadi Syarief, Salsabila Nazmie Putri Tri Djoko Lelono Tumulyadi, Agus Tyas, Herlin Widi Aning Umi Zakiyah Umi Zakiyah, Umi Utama, Andria Ansri Valessa Senshi Moira Vian Dedi Pratama Vivian Kudrati, Amelinda Wahida Kartika Sari Wahyudi Citrosiswoyo Wahyudi Citrosiswoyo Wardana, Fitri Candra Wardhani, Mentari Puspa Wiadnya , Dewa Gede Raka Widada , Wahyudi Widada, Wahyudi Wijaya, Sony Wildan Alfarizi Wirastika Adhihapsari Wirastika Adihapsari Yanuar, Adi Tiya Yanuhar, Uun Yeni Kartika Sari, Yeni Kartika Yorarizka, Putri Devi Yumna, Orryza Nayla Zainal Abidin Zulqi Fahreza Akbar