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All Journal BIOEDUKASI BIOVALENTIA: Biological Research Journal
Pancasari, Adelia Rizki
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Library & Information Science Medicine & Pharmacology

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ESTIMATION OF BRUGUIERA’S CARBON STOCK IN BERBAK AND SEMBILANG NATIONAL PARK BANYUASIN SOUTH SUMATERA Sarno, Sarno; Ridho, Moh. Rasyid; Indriani, Dwi Puspa; Harmida, Harmida; Pancasari, Adelia Rizki
BIOVALENTIA: Biological Research Journal Vol. 6 No. 1 (2020)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (498.623 KB) | DOI: 10.24233/BIOV.6.1.2020.171

Abstract

The potential for the carbon content of mangrove forests is four times greater than other forest, this important information needs to be measured to determine the value of carbon stocks at a given time and their changes. The research was done in November 2018-March 2019 in Berbak and Sembilang National Park, Banyuasin, South Sumatra, in each location three transect lines were determined perpendicular to the land as far as 100 m and made 5 plots of 10 x10 m with a distance between plots of 10 m on each transect. The aims are to determine species richness, biomass value, estimated stored carbon reserves, and CO2 uptake in Bruguiera spp. stands. Analysis of comparison of the results of data using descriptive statistical analysis. Based on the results of the study found 4 types of Bruguiera spp. that is Bruguiera cylindrica, Bruguiera parviflora, Bruguiera gymnorrhiza, and Bruguiera sexangula. The total value of the biomass of 410,01 ton/ha, carbon stocks estimation of 189,02 ton C/ha, and the CO2 uptake of 693,69 ton CO2/ha. The results of a statistic descriptive analysis of estimated carbon stocks and CO2 uptake, in Barong Kecil river where of the most areas has been deforested into ponds, have the lowest value than the other research locations like Solok Buntu and Bungin river, with sequential carbon values of 11,51 ton C/ha in Barong Kecil river, 227,66 ton C/ha in Bungin river, and 327,88 ton C/ha in Solok Buntu river, and CO2 uptake of 42,23 ton CO2/ha in Barong Kecil river, 835,52 ton CO2/ha in Bungin river, and 1.203,33 ton CO2/ha in Solok Buntu river.
Bioactivity of Endophytic Fungi Fusarium brachygibbosum Isolated from the Stem of Avicennia marina as a Candidate for New Drug Source Oktiansyah, Rian; Noviyanto, Noviyanto; Iskandar, Damayanti; Nasution, Sakinah Salman Ahmad; Laksono, Pandu Jati; Kurniawati, Alfia Rahma; Pancasari, Adelia Rizki; Aputri, Farah Nuriessa; Yogyaswari, Sekar Ayoe
BIOEDUKASI: Jurnal Biologi dan Pembelajarannya Vol. 23 No. 3 (2025): Vol. 23, No. 3, October 2025
Publisher : PROGRAM STUDI PENDIDIKAN BIOLOGI FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS JEMBER

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/bioedu.v23i3.53787

Abstract

Indonesia's biodiversity holds significant potential as a source of medicinal compounds, one of which is Avicennia marina, known for its antioxidant and antibacterial properties. However, due to its protected conservation status, its utilization is limited. An alternative approach to harness its benefits is through symbiotic microorganisms such as endophytic fungi. This study aimed to isolate and evaluate the bioactivity of the endophytic fungus Fusarium brachygibbosum isolated from the stem of A. marina as a potential source of novel therapeutic agents. The methodology involved fungal isolation, morphological identification, and evaluation of antibacterial activity using the disc diffusion method and antioxidant activity using the DPPH assay. The results demonstrated that the obtained isolate (coded ADM2) exhibited strong antibacterial activity against Escherichia coli, Staphylococcus aureus, Salmonella typhi, and Bacillus subtilis. Moreover, the antioxidant assay of the ADM2 isolate revealed a very strong potential (IC50 < 20 µg/mL), indicating its potent ability to scavenge free radicals. Based on these findings and the literature on F. brachygibbosum, this species shows great potential as a source of bioactive compounds with medical applications, particularly in treating infections and preventing degenerative diseases. Further in vivo studies are necessary to confirm the therapeutic potential of this fungus as a safe and effective drug candidate.
Co-Authors Aputri, Farah Nuriessa Damayanti Iskandar Dwi Puspa Indriani Harmida Harmida Kurniawati, Alfia Rahma Moh. Rasyid Ridho Nasution, Sakinah Salman Ahmad Noviyanto Noviyanto, Noviyanto Oktiansyah, Rian Pandu Jati Laksono Sarno Sarno Yogyaswari, Sekar Ayoe