cover
Contact Name
Agus Alim Hakim
Contact Email
agusalim@apps.ipb.ac.id
Phone
+6281291101641
Journal Mail Official
journal@pksplipb.or.id
Editorial Address
Center for Coastal and Marine Resources Studies (CCMRS) Kampus IPB Baranangsiang, Jl. Raya Pajajaran No. 1, Bogor, Jawa Barat, Indonesia 16127
Location
Kota bogor,
Jawa barat
INDONESIA
COJ (Coastal and Ocean Journal)
ISSN : -     EISSN : 25498223     DOI : https://doi.org/10.29244/COJ.5.1
Core Subject : Agriculture, Social,
COJ (Coastal and Ocean Journal) memiliki ISSN Online: 2549-8223 adalah Jurnal yang dikelola oleh Pusat Kajian Sumberdaya Pesisir dan Lautan, Lembaga Penelitian dan Pengabdian Kepada Masyarakat (LPPM), IPB University, dengan tujuan menyebarluaskan informasi tentang perkembangan ilmiah bidang pengelolaan wilayah pesisir dan lautan di Indonesia. Yang dimaksud dengan perkembangan ilmiah, pengelolaan, inovasi dan teknologi bidang pesisir dan lautan di Indonesia antara lain: Pengelolaan Perikanan, Pengolahan Hasil Laut, Bioteknologi Kelautan, Pengelolaan Sumberdaya Perairan, Pengelolaan Sumberdaya Pesisir dan Lautan, Pemetaan Wilayah Pesisir dan Laut, Hukum dan Sosial Ekonomi Wilayah Pesisir dan Laut, Sistem Sosial dan Ekologi Pesisir dan Lautan, Jasa Ekosistem Pesisir dan Lautan, Konservasi Sumberdaya Pesisir dan Laut serta Pengendalian Pencemaran Lingkungan Pesisir dan Lautan. Berdasarkan Surat Keputusan ISSN LIPI bahwa Coastal and Ocean Journal telah terdaftar dalam ISSN online dengan Nomor SK no. 0005.25498223/JI.3.1/SK.ISSN/2017.03 - 8 Maret 2017. Naskah yang masuk ke COJ akan dicek mengenai pedoman penulisannya oleh Administrasi, apabila sudah sesuai akan direview oleh 1 (satu) orang Dewan Penyunting dan 1 (satu) orang Mitra Bestari (Peer-Reviewer) berdasarkan penunjukan dari Ketua Dewan Penyunting. Keputusan diterima atau tidaknya suatu naskah menjadi hak dari Ketua Dewan Penyunting berdasarkan atas rekomendasi dari Dewan Penyunting dan Mitra Bestari. Jurnal COJ terbit 2 kali dalam 1 tahun (Juni dan Desember) Focus and Scope Pengelolaan Perikanan Pengolahan Hasil Laut Bioteknologi Kelautan Pengelolaan Sumberdaya Perairan Pengelolaan Sumberdaya Pesisir dan Lautan Pemetaan Wilayah Pesisir dan Lautan Kebijakan dan Ekonomi Wilayah Pesisir dan Lautan Sistem Sosial dan Ekologi Pesisir dan Lautan Jasa Ekosistem Pesisir dan Lautan Konservasi Sumberdaya Pesisir dan Lautan Pengendalian Pencemaran Lingkungan Pesisir dan Lautan
Articles 92 Documents
Seagrass Carbon Stock Variability Across Contrasting Coastal Areas on Pari Island, Indonesia Bima Faqih Ramadhan; Yonvitner; Fery Kurniawan
Coastal and Ocean Journal (COJ) Vol 10 No 1 (2026): COJ (Coastal and Ocean Journal)
Publisher : Pusat Kajian Sumberdaya Pesisir dan Lautan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/coj.v10i1.72452

Abstract

Seagrass meadows are important blue carbon ecosystems, yet integrated estimates of biomass and sediment carbon stocks in small tropical islands remain limited. This study quantified total ecosystem carbon stock in seagrass meadows of Pari Island, Thousand Islands, Jakarta, and compared carbon storage between developed and natural coastal areas. Field sampling was conducted at four stations representing contrasting coastal use settings. Seagrass ecological parameters were assessed using a line transect quadrat, while aboveground biomass, belowground biomass, and sediment carbon stocks were estimated using the Loss on Ignition (LOI) approach. Sediment cores were collected and analyzed across representative depth intervals to estimate profile-based carbon storage. Mean total ecosystem carbon stock was 118.08 Mg C ha-1, ranging from 83.15 Mg C ha-1 to 135.46 Mg C ha-1 among stations. Sediment was the dominant carbon pool, contributing approximately 92-96% of the total carbon stock in the ecosystem, whereas biomass contributed less than 8%. Undisturbed areas showed higher mean sediment carbon stock than anthropogenic areas, although the difference was not statistically significant. In contrast, anthropogenic areas exhibited greater spatial variability in carbon storage. These results show that seagrass meadows in Pari Island function as important blue carbon reservoirs and underscore the importance of sediment integrity in maintaining ecosystem carbon storage.
Integrating Community Driven-approach and CSR-supported Coastal Defense: Waste-tire Wave Breakers (APO) in Tanjung Pakis West Java Mochammad Rizqy Maulana; Dhavani Ardyas Putera; Muhammad Bima Oktageannar
Coastal and Ocean Journal (COJ) Vol 10 No 1 (2026): COJ (Coastal and Ocean Journal)
Publisher : Pusat Kajian Sumberdaya Pesisir dan Lautan IPB

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/coj.v10i1.72769

Abstract

Coastal erosion along the northern coast of Java poses significant environmental and socio-economic challenges, particularly due to mangrove conversion into aquaculture. In Tanjung Pakis, West Java, the community group of Elang Laut, in collaboration with CarbonEthics and Planet Ban, implemented waste-tire wave breakers (Alat Pemecah Ombak, APO) as a community-driven coastal protection strategy supported by a CSR-based circular economy model. This study evaluates APO effectiveness by integrating multi-temporal shoreline analysis using Sentinel-2 imagery and the Digital Shoreline Analysis System (DSAS) for 2018–2024, combined with socio-economic surveys and focus group discussions. The analysis shows that post-installation (2022–2024), mean shoreline erosion decreased by 4.73 m/yr, while accretion increased by 2.85 m/yr, reducing overall shoreline retreat from −9.79 m/yr to −5.41 m/yr. Impacts were concentrated in APO-installed areas, indicating effective wave attenuation and sediment trapping. Socio-economic impacts findings reveal an average 11.1% increase in household income, driven by improved fishpond protection and productivity. CSR support enabled construction, maintenance, and local labor involvement, strengthening community ownership. The study demonstrates that APOs are most effective as complementary measures to ecosystem-based restoration. Combined with community participation and CSR support, APOs offer a viable hybrid approach to enhancing coastal resilience in vulnerable tropical environments.

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