JO JOCOS
JOCOS

Vol. 6, No. 3, 2025

September

Terbit
02 Oktober 2026
Artikel
10 artikel
ISSN
2745-4355
e-ISSN
2746-4512

Daftar Isi

  1. Relationship between Coral Reefs and the Abundance of Reef Fish of the Pomacentridae Family in the Waters of Setan Island, West Sumatra
    Rangga Wardana, Thamrin Thamrin, Rifardi Rifardi
    Hlm. 157-165 10.31258/jocos.6.3.157-165
  2. Analysis of Mangrove Forest Health in the Coastal Area of Kutawaru Village, Cilacap Regency, Central Java
    Rusiani Oktaria, Efriyeldi Efriyeldi, Zulkifli Zulkifli
    Hlm. 150-156 10.31258/jocos.6.3.150-156
  3. Assessment of Marine Ecotourism Development Potential in Lapin Beach, North Rupat, Riau Province
    Aidil Rahmad Akbar, Joko Samiaji, Dessy Yoswaty
    Hlm. 139-149 10.31258/jocos.6.3.139-149
  4. Species Composition and Abundance of Zooplankton at Different Depths in the Waters of Teluk Makmur Subdistrict, Dumai City
    Merisa Debora Sinaga, Irvina Nurrachmi, Joko Samiaji
    Hlm. 182-188 10.31258/jocos.6.3.182-188
  5. Abundance and Diversity of Sea Cucumber (Holothuroidea) in Hajoran Beach, Central Tapanuli, North Sumatra
    Ela Nanda Bethanya, Zulkifli Zulkifli, Joko Samiaji
    Hlm. 202-206 10.31258/jocos.6.3.202-206
  6. Analysis of Coastline Changes and Water Current Circulation Patterns in Batam City, Riau Islands Province
    Robby Nainggolan, Mubarak Mubarak, Nursyirwani Nursyirwani
    Hlm. 174-181 10.31258/jocos.6.3.174-181
  7. Heavy Metal (Pb, Cu, and Zn) Content in Geloina erosa and Cerithidea obtusa from the Western Coast of Dumai, Riau Province
    Annisa Fajriani, Bintal Amin, Efriyeldi Efriyeldi
    Hlm. 166-173 10.31258/jocos.6.3.166-173
  8. Heavy Metal Concentrations in Avicennia alba from the Western Coast of Dumai City, Riau Province
    Fitria Mai Yona, Bintal Amin, Efriyeldi Efriyeldi
    Hlm. 132-138 10.31258/jocos.6.3.132-138
  9. Potential Carbon Stock and Absorption in Mangroves in Penempul Village, Sungai Sembilan District, Dumai City, Riau Province
    Sabina Dwi Yuhanda, Yusni Ikhwan Siregar, Afrizal Tanjung
    Hlm. 189-196 10.31258/jocos.6.3.189-196
  10. Storage Temperature on the Product Quality of Several Pro Coffee Variants That Contain (Bacillus cereus SN7)
    Muhammad Fhito Al Farisy, Feli Feliatra, Ummi Mardhiah Batubara
    Hlm. 197-201 10.31258/jocos.6.3.197-201