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All Journal Jurnal Ilmu keperawatan Jurnal Sumberdaya Hayati BIOEDUSCIENCE Diklat Review : Jurnal manajemen pendidikan dan pelatihan Jurnal Pembelajaran dan Biologi Nukleus Co-Creation : Jurnal Ilmiah Ekonomi Manajemen Akuntansi dan Bisnis Eastasouth Journal of Positive Community Services Seminar Nasional Riset dan Teknologi (SEMNAS RISTEK) Jurnal Riset Keperawatan dan Kesehatan Jurnal Ilmiah Cano Ekonomos
Devi Novianti, Devi
Program Studi Ilmu Keperawatan, FK UGM, Yogyakarta
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Dentistry Economics, Econometrics & Finance Education Engineering Environmental Science Health Professions Immunology & microbiology Languange, Linguistic, Communication & Media Medicine & Pharmacology Nursing Public Health Social Sciences Other

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Diversity of Sea Cucumbers (Holothuroidea) in the Waters of Sarang Island and the Nenek Strait, Batam City, Riau Islands, Indonesia Novianti, Devi; Ramses, Ramses; Ismarti, Ismarti; Amelia, Fitrah
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 12, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2026
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v12i1.8798

Abstract

Background: Sea cucumbers (Holothuroidea) are key benthic organisms that contribute to coastal ecosystem stability through bioturbation, organic matter decomposition, and their role in marine food webs. However, despite their ecological and economic importance, information on the diversity and community structure of sea cucumbers in the waters of Batam City, remains limited. This study aimed to analyze the diversity of sea cucumbers in the waters of Sarang Island and the Nenek Strait, as a basis for evaluating ecological conditions and supporting sustainable marine resource management. Methodology: Sampling was conducted in the intertidal zone using the sweeping method during nighttime to accommodate the nocturnal activity of sea cucumbers, using two transects at each sampling station. Species identification was based on morphological and visual characteristics, while environmental parameters such as temperature, pH, salinity, dissolved oxygen, water transparency, and current velocity were measured in situ. Findings: Five sea cucumber species were identified, namely Stichopus herrmanni, Holothuria leucospilota, H.scabra, Bohadschia aegyptia, and H. fuscopunctata. Community structure was then analyzed using the Shannon–Wiener diversity index (H’), evenness index (E), and Simpson’s dominance index (C). At Sarang Island, 25 individuals representing five species were recorded, with Actinopyga mauritiana dominating 64% of the population, resulting in moderate diversity (H’ = 0.576), low evenness (E = 0.358), and high dominance (C = 0.453). In the Nenek Strait, 22 individuals from three species were identified, showing moderate diversity (H’ = 1.059), high evenness (E = 0.964), and low dominance (C = 0.360), actinopyga mauritiana dominated 64% of the population, likely due to its higher tolerance to local environmental conditions and its preference for sandy–muddy substrates commonly found in the study area, indicating a more balanced community structure. Contributions: These findings highlight spatial variation in sea cucumber communities related to habitat characteristics and ecological pressure, contributing baseline scientific data on the diversity and community structure of Holothuroidea in Batam coastal waters
Co-Authors Adisty Virakawugi Darniwa, Adisty Virakawugi Darniwa Aji, Luthfi Akmal Amalia, Rini Arfianti Novita Anwar Asep Setiawan Darniwa, Adisty Virakawugi Devi Novianti, Devi Novianti Dwi Rahayu, Indah Fitrah Amelia Hasanusi, Fitria Sari Hasibuan, Nirma Adeseprianah Hendry Kurniawan, Hendry Ismarti Ismarti, Ismarti Juanda, Ardi Khairina, Dini Luthfi Akmal Aji, Luthfi Akmal Aji Margia, Sandira Oktavia, Mega Ramses Firdaus, Ramses Rusyad Adi Suriyanto Somantri Sri Ariyanti Sri Warsini Sundari, Sylvia Farha Tridesianti, Siska Ulumudin, Muhamad Ihsan Yani Suryani Yani Suryani, Yani Suryani