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All Journal Jurnal Ilmu dan Teknologi Kelautan Tropis Maspari Journal Torani Journal of Fisheries and Marine Science Jurnal Bahan Alam Terbarukan Maspari Journal Jurnal Ilmu Kelautan Spermonde Panrita Abdi - Jurnal Pengabdian pada Masyarakat Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management) Jurnal Pengelolaan Perairan Jurnal Perikanan Universitas Gadjah Mada Aquasains : Jurnal Ilmu Perikanan dan Sumberdaya Perairan Indonesian Aquaculture Journal Eksakta : Berkala Ilmiah Bidang MIPA Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil Tomini Journal of Aquatic Science ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua
Nita Rukminasari
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Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Engineering Environmental Science Immunology & microbiology Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Social Sciences Other

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COMPARISON OF STRUCTURE AND COMPOSITION OF MANGROVE TYPES IN BONTO BAHARI AND AMPEKALLE AREA, MAROS REGENCY Rukminasari, Nita; Kadir, Amelia; Kudsiah, Hadiratul; Yunus, Budiman
Jurnal Ilmu Kelautan SPERMONDE VOLUME 11 NUMBER 1, 2025
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35911/jiks.v11i1.44591

Abstract

Mangrove ecosystems play a crucial role in coastal protection and biodiversity conservation. However, few studies have compared the structures and compositions of mangrove species across different regions. This study analyzed the structural differences and species composition of mangroves in Bonto Bahari and Ampekalle in Maros Regency. This study employed a line transect and plot method to assess tree density, canopy cover, and vegetation height. The results showed that Ampekalle had the highest canopy cover percentage, indicating a more stable environment for mangrove growth. Rhizophora mucronata was the dominant species across all sites, with the highest tree density recorded at Ampekalle. Differences in vegetation height suggest variations in soil conditions, water availability, and sunlight exposure. These findings emphasize the ecological importance of Ampekalle as a priority area for conservation. Further research is required to explore the environmental factors influencing mangrove distribution.
Struktur Komunitas Dan Kelimpahan Fitoplankton Di Pulau Kapoposang Kabupaten Pangkajene Dan Kepulauan, Provinsi Sulawesi Selatan (Abundance and Species Assemblage of Phytoplankton at Kapoposang Island, Pangkajene and Kepulangan Regency, South Sulawesi Province) Rukminasari, Nita
Jurnal Pengelolaan Perairan Vol. 1 No. 1 (2018)
Publisher : Program Studi Manajemen Sumber Daya Perairan

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Abstract

This research was aim to compare community structure and abundance of phytoplankton in Kapoposang Island. The result of this research was expected to be used as an information of the effect of waters quality on abundances, community structure and phytoplankton species composition in Kapoposang Island. This research was conducted on February and May 2016 in Kapoposang Island, Pangkajene and Islands Regency. Identification of samples was conducted in Fish Pest and Diseases Laboratory, Department of Fisheries, Faculty of Marine Science and Fisheries, Hasanuddin University. The results showed community structure of phytoplankton in Kapoposang Island based on sampling station were not significantly different (P>0,05), whereas community structure of phytoplankton based on rainy and summer seasons were significantly different (p<0,05).Alexandrium kutneraee, Toxarium undulatum dan Bellerochea horologicalesis most contribute species in Kapoposang Island the most average abundancesof phytoplankton was foundon summer season in Kapoposang Island1.591.494 cells/L.Both of the islands has high equitability index value and the distribution was homogeneous. The value of diversity index showed in all of the stations, phytoplankton community were mid stable and the dominance index showed both of the islands have dominant species.Keywords: Kapoposang Island, Phytoplankton, community structure, abundance, ecological index
Pengaruh Tutupan Karang Hidup Terhadap Keanekaragaman dan Dominansi Ikan Karang di Zona Inti KKPD Pulau Palue, NTT Vincentius, Angelinus; Rukminasari, Nita
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 8 No 2 (2025): ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Edisi November 2025
Publisher : Cenderawasih University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/acr.v8i2.5078

Abstract

Penelitian bertujuan untuk mengkaji pengaruh tutupan karang hidup terhadap keanekaragaman dan dominansi ikan karang di Zona Inti KKPD Pulau Palue, NTT. Penelitian berlangsung sejak Agustus 2024 sampai Desember 2024. Data terumbu karang diambil dengan metode transek foto bawah air, diolah dengan software Coral Point Count with Excel extension, kemudian dinilai sesuai Kepmen. Lingkungan Hidup No.4/2001.  Data ikan karang diambil dengan metode Underwater Visual Census, dianalisis Indeks Keanekaragaman dan Indeks Dominansi, selanjutnya dianalisis regresi. Hasil penelitian, data tutupan karang di 3 stasiun dalam Kategori Kurang Baik, yaitu kategori karang keras sebesar 24,20% di Stasiun Ona; 21,41% di Stasiun Langawai dan 23,18% di Stasiun Watunoni. Kelimpahan ikan karang di Stasiun Ona sebesar 1,97 individu/m2, Stasiun Langawai 0,78 individu/m2 dan Stasiun Watunoni 0,59 individu/m2. Indeks keanekaragaman ikan karang di Stasiun Ona adalah 2,293; Stasiun Langawai 2,591; Watunoni 2,847. Indeks dominansi ikan karang di Stasiun Ona 0,164; Stasiun Langawai 0,148; dan Stasiun Watunoni 0,112. Pengaruh tutupan karang hidup terhadap keanekaragaman ikan karang dinyatakan dalam persamaan regresi polinomial: Y = 0,0004X2 – 0,0656X + 3,0791. Nilai r sebesar 0,709 menunjukkan korelasi kuat antara variabel X dan Y. Nilai R2 sebesar 0,5029 menjelaskan bahwa variabel X (tutupan karang hidup) dapat mempengaruhi 50,29% dari variabel Y (indeks keanekaragaman ikan karang), dan sebesar 49,71% nilai indeks keanekaragaman ikan karang (Y) dipengaruhi oleh faktor-faktor lain di luar penelitian. Hubungan tutupan karang hidup dan dominansi ikan karang dalam persamaan regresi polinomial: Y = 9E-06X2 - 0.0014X + 0.1807. Nilai r sebesar 0,521 menunjukkan adanya korelasi positif yang sedang antara variabel X dan Y. Nilai R2 sebesar 0,272 menjelaskan bahwa variabel X (tutupan karang hidup) dapat mempengaruhi 27,2% dari variabel Y (indeks dominansi ikan karang), dan sebesar 72,8% variasi indeks dominansi dipengaruhi oleh faktor-faktor lain di luar penelitian.
Comparative Analysis of Coral Cover Percentage and Species Diversity in Karanrang Island, Balang Lompo Island, Badi Island, and Lumu-Lumu Island Using the Underwater Photo Transect (UPT) Method Gracela; Rukminasari, Nita; Alam, Jamaluddin Fitrah; Rahim, Sri Wahyuni
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 27 No. 01 (2026): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol27-iss01/634

Abstract

This study assessed live coral cover and coral genus diversity across Karanrang Island, Balang Lompo Island, Badi Island, and Lumu-Lumu Island. Data collection was conducted at 12 observation stations (depth ±5 m) using the Underwater Photo Transect (UPT) method in April 2025. Photo analysis with CPCe 4.1 software was used to calculate the percentage of live coral cover, while the diversity index was calculated using the Shannon-Wiener formula (H’). The findings revealed that Badi Island exhibited the highest live coral cover (32.31–45.03%), whereas Lumu-Lumu Island demonstrated the lowest condition (10.60–24.97%). The highest diversity index was recorded on Balang Lompo Island (H' = 2.53) and the lowest on Karanrang Island (H' = 0.83). Badi Island is predominantly composed of Porites sp. and Acropora sp., suggesting ecosystem stability and a high potential for regeneration, while Karanrang and Balang Lompo Islands display moderate conditions with a prevalence of adaptive massive corals. These results show variations in coral cover and diversity between islands due to differences in environmental pressures and the ecological characteristics specific. These findings emphasize the need for location-based management to maintain the ecological functions and restoration potential of coral reefs ecosystem in the Spermonde Islands.
Comparison of Mangrove Biomass in Three Different Mangrove Ecosystem Locations in Maros Regency Yusran, Muhammad; Rukminasari, Nita; Tresnati, Joeharnani; Moka, Wilma Joana Carolina
EKSAKTA: Berkala Ilmiah Bidang MIPA Vol. 27 No. 01 (2026): Eksakta : Berkala Ilmiah Bidang MIPA (E-ISSN : 2549-7464)
Publisher : Faculty of Mathematics and Natural Sciences (FMIPA), Universitas Negeri Padang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/eksakta/vol27-iss01/635

Abstract

This study aims to analyze the variation in mangrove biomass across three locations in Maros Regency, South Sulawesi, namely Borongkalukua, Bonto Bahari, and Ampekale. Data collection was conducted using purposive sampling design, 27 observation plots (10×10 m; n=9 per location) were established to estimate biomass through Diameter at Breast Height (DBH) and species-specific allometric equations. Five mangrove species were identified, namely Rhizophora mucronata, Rhizophora apiculata, Avicennia alba, Avicennia marina, and Sonneratia alba. The two-way ANOVA results showed that species (p = 0.0003), location (p = 0.0266), and their interaction (p = 0.0065) had significant effects on biomass. The Kruskal–Wallis test also confirmed differences in median biomass among locations (p = 0.0104). Borongkalukua exhibited the highest biomass (302.57 Mg/ha) dominated by R. mucronata and R. apiculata, followed by Ampekale (223.20 Mg/ha) dominated by R. apiculata and S. alba, while the lowest biomass was recorded in Bonto Bahari (129.44 Mg/ha), dominated by A. marina. These variations in biomass reflect differences in species’ adaptive capacity to local environmental conditions. Overall, the findings emphasize that the interaction between species and location is a key determinant of mangrove biomass productivity. 
Co-Authors . Sahabuddin ., Nadiarti Alimuddin Alimuddin Alinda Nurbaeti Hasanah, Alinda Nurbaeti Amelia Wahdani Andi Aliah Hidayani Andi Aliah Hidayani Andi Parenrengi Andi Tenri Waru Bakti, Nurqadri Syaia Basse Siang Parawansa Chichilia Qaila Azzahrah Rahman Dewi Yanuarita Dewi Yanuarita Dewi Yanuarita, Dewi Dody Dharmawan Trijuno Dwi Fajriyati Inaku Dwi Fajriyati Inaku Dwi Fajriyati Inaku, Dwi Fajriyati Elfrida Ratnawati Fachruddin, Liestiaty Farida G Sitepu, Farida G Farida Sitepu Gracela Gunarto Gunarto Hadiratul Kudsiah, Hadiratul Hasanah, Alinda N Herawati, Sari Inaku, Dwi Fajriati Irmawati Irmawati Irmawati Jamaluddin Jompa Joeharnani Tresnati Kadir, Amelia Khaerul Awaluddin, Khaerul KHUSNUL YAQIN La Nane Liestiaty Fachruddin Moh. Tauhid Umar Moh. Tauhid Umar Moh. Tauhid Umar Moka, Wilma J.C. Moka, Wilma Joana Carolina Moka, Wilma Joanna Carolina Muhammad Lukman Muhammad Lukman Muhammad Yusran Nadiarti . Nadiarti Nadiarti, Nadiarti Nadiarti Nurdin Nur Ainun Nur Indah Sari Arbit Rahim, Nur Fadhilah Rahmadi Tambaru Rahman, Chichilia Qaila Azzahrah Ramli Ramli Ramli Sahabuddin Sahabuddin Salwa, Sausan As Sapto Andriyono Sarwinda, Sarwinda Sharifuddin Andy Omar Sri Wahyuni Rahim, Sri Wahyuni Suharto Suharto Suharto Suharto Sulfitratullah Sulfitratullah Supriadi Suwarni . Suwarni Suwarni Suwarni Suwarni Syamsu Alam Ali, Syamsu Alam Vincentius, Angelinus Wahdani, Amelia Yunus, Budiman Yushinta Fujaya Yusran Nur Indar Yusuf, Muhammad Yusfi