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All Journal Life Science and Biotechnology Journal of Biotropical Research and Nature Technology
Fauzan, Ahmad Rizki
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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Diversitas Vegetasi Riparian: Upaya Pelestarian Ekosistem Perairan Danau Buatan Air Batu Banyuasin, Sumatera Selatan Kharisma, Sully Pudja; Fauzan, Ahmad Rizki; Permitasari, Irma; Nurseha, Tito
Journal of Biotropical Research and Nature Technology Vol. 2 No. 2 (2024): Borneo
Publisher : Prodi Biologi FMIPA Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52850/borneo.v2i2.12706

Abstract

Danau dibentuk oleh banyak proses diantaranya akibat proses erosi hingga galian tambang. Riparian adalah area konservasi yang harus mempertahankan vegetasi aslinya agar tetap terjaga dan tidak rusak oleh aktivitas ilegal manusia. Tujuan dari penelitian ini adalah untukmelihat peranan riparian terhadap vegetasi danau buatan dan menganalisis vegetasi riparian di daerah danau buatan. Pengumpulan sampel dilakukan dengan menggunakan teknik transek garis. Hasil penelitian menunjukkan bahwa vegetasi di danau buatan Air Batu berupa Stenotaphrum secundatum 2 jenis, Lophatherum gracile 40 jenis, Murcurialis annua 2 jenis, Mimosa pudica 12 jenis, Glactia 3 jenis, Macroptilium atropurpureum 13 jenis, Melastoma malabathricum 11 jenis, Acacia mangium Willd 1 jenis, Selaginella denticulate 1 jenis, Dicranopteris linearis 2 jenis dan Hemarthria altissima 16 jenis. Kelimpahan jenis secara berurutan paling tinggi dimiliki oleh rumput bambu (Lophatherum gracile) 3,076923 rumput limpo (Hemarthria altissima) 1,230769, siratro (Macroptilium atropurpureum) 1,putri malu (Mimosa pudica) 0,923077, senggani (Melastoma malabathricum) 0,846154, kacang polong liar (Glactia) 0,230769, steno (Stenotaphrum second atum) 0,153846, merkuri atau jarang (Murcurialis annua) 0,153846, resam (Dicranopteris linearis) 0,153846, paku rawa (Selaginella denticulate) 0,076923 akasia (Acacia mangium Willd) 0,076923. Indeks diversitas riparian danau buatan Air Batu tergolong ke dalam kategori rendah, dengan nilai 0,356983. Berdasarkan hasil, kelimpahan paling tinggi dimiliki oleh rumput bambu (Lophatherum gracile) sedangkan kelimpahan paling rendah dimiliki oleh paku rawa (Selaginella denticulate) dan akasia (Acacia mangium Willd).
Bioactivity of Endophytic Fungal Extract Isolated from Purun (Eleocharis dulcis (Burm.f.) Trin. ex Hensch) Oktiansyah, Rian; Pratiwi, Mardiyah; Kharisma, Sully Pudja; Fauzan, Ahmad Rizki; Utami, Riza; Amelia, Dea; Noviyanto, Noviyanto; Nasution, Sakinah Salman Ahmad
Life Science and Biotechnology Vol. 2 No. 2 (2024): November 2024
Publisher : Department of Biology, Faculty Mahematics and Natural Sciences, University of Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/lsb.v2i2.52579

Abstract

The study investigates the bioactivity of endophytic fungi isolated from Eleocharis dulcis (Burm.f.) Trin. ex Hensch., focusing on their potential as alternative sources of bioactive compounds. E. dulcis, a plant commonly found in wetland ecosystems, has traditionally been used for its medicinal properties. However, the massive extraction of the plant may lead to ecological imbalance, prompting the exploration of endophytic fungi as a sustainable alternative. The objective of this research is to isolate, identify, and evaluate the antimicrobial and antioxidant properties of endophytic fungi from Eleocharis dulcis. Endophytic fungi were isolated aseptically, followed by morphological identification. Antioxidant and antimicrobial assays were conducted to assess the bioactivity of the fungal extracts. Antioxidant activity was evaluated using the DPPH method, while antibacterial activity was assessed using the disc paper diffusion method. The results revealed that several isolates (from leaves: LP1 – LP6, from root: RP1 – RP3) exhibited significant antimicrobial activity against Escherichia coli and Staphylococcus aureus, with Penicillium spp. and Cladosporium spp. showing the highest levels of bioactivity. Additionally, all fungal isolates demonstrated very strong antioxidant activity, with most achieving an IC50 below 20 µg/mL. In conclusion, the findings suggest that endophytic fungi from E. dulcis represent a valuable source of bioactive compounds with potential applications in pharmaceuticals. Further research is required to isolate and characterize the active compounds, as well as to evaluate their efficacy through in vivo studies
Co-Authors Dea Amelia, Dea Kharisma, Sully Pudja Nasution, Sakinah Salman Ahmad Noviyanto Noviyanto, Noviyanto Nurseha, Tito Oktiansyah, Rian Permitasari, Irma Pratiwi, Mardiyah Riza Utami, Riza