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All Journal HAYATI Journal of Biosciences Jurnal Ilmu Dasar Jurnal Perikanan dan Kelautan Journal of Marine Research BioWallacea Journal of Biological Research Jurnal Sumberdaya Hayati Jurnal Sains dan Inovasi Perikanan/Journal of Fishery and Innovation (JSIPi) Jurnal Kelautan Tropis Jurnal FishtecH JURNAL ENGGANO MAJALAH ILMIAH GLOBE Jurnal Fish Protech Techno-Fish GERVASI: Jurnal Pengabdian kepada Masyarakat JOURNAL OF INDONESIAN TROPICAL FISHERIES (JOINT-FISH) : Jurnal Akuakultur, Teknologi Dan Manajemen Perikanan Tangkap, Ilmu Kelautan Jurnal Informatika dan Rekayasa Perangkat Lunak Jurnal Laot Ilmu Kelautan Jurnal Abdi Insani Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS MALLOMO: Journal of Community Service Jurnal Airaha Coastal and Marine Journal JURNAL SAINS dan INOVASI PERIKANAN Majalah Pengabdian Indonesia Jurnal Perikanan dan Kelautan
Hasidu, La Ode Abdul Fajar
Program Studi Ilmu Kelautan, Universitas Sembilanbelas November Kolaka
Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Physics Social Sciences Veterinary Other

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Journal : HAYATI Journal of Biosciences

 1 
Allometric Model, Aboveground Biomass and Carbon Sequestration of Natural Regeneration of Avicennia lanata (Ridley). at in-active Pond of Muna Regency, Southeast Sulawesi Fajar Hasidu; Arif Prasetya; Maharani Maharani; Muhammad Syaiful; Kangkuso Analuddin
HAYATI Journal of Biosciences Vol. 29 No. 3 (2022): May 2022
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.29.3.399-408

Abstract

This study aimed to establish an allometric model for estimation of aboveground biomass, and carbon sequestration in A. lanata mangrove forest growing in Muna Regency, Southeast Sulawesi. Research methods were done by transect and 5 quadrats with size of 100 m2 each. A total of thirteen individual trees with different sizes were harvested. While DBH and D30 were measured. The samples were separated into stems, branches, and leaves and then weighted. The sample from each fresh organs were taken and brought to the Laboratory and then oven dried at 80°C for 7 days. The allometric equations were established by using independent variables (DBH and D30), and dependent variables (Ws, Wb, Wl). The partial and overall aboveground biomasses were calculated from allometric model, while carbon stock and CO2 sequestration were estimated. The results showed that the independent variable of DBH was more applicable for estimation of Ws, Wb, Wl, and total biomasses (Mg ha-1) of A. lanata forest, which were estimated as 28.28±3.48, 6.40±0.79, 5.00±0.66, and 40.08±4.97 respectively. The carbon stock in stems (13.24±1.63 Mg ha-1) was higher than in branches (3.01±0.37 Mg C ha-1) as well as in leaves (2.35±0.31 Mg C ha-1). The total of carbon stock were estimated at about 18.83±2.33 Mg C ha-1. Meanwhile, the total of CO2 absorption by A. lanata mangrove was 43.95±5.45 Mg CO2 ha-1. Therefore a regenerated A. lanata mangrove in this in-active pond area had potentiality on carbon stock and sequestrations, although these vegetation condition was still in the growth stage.
Evaluation of Antibacterial and Antibiofilm Effects from Soil Streptomyces spp. against Multidrug-Resistant Bacteria Prastya, Muhammad Eka; Simbolon, Sumihartati; Priyanto, Jepri Agung; Hasidu, La Ode Abdul Fajar; Permatasari, Vera; Primahana, Gian; Dewi, Rizna Triana; Kristiana, Rhesi; Suryanti, Erma
HAYATI Journal of Biosciences Vol. 32 No. 1 (2025): January 2025
Publisher : Bogor Agricultural University, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.4308/hjb.32.1.12-26

Abstract

The global increase in multidrug-resistant (MDR) bacterial infection has rapidly gained concern globally. This study aimed to investigate antibacterial and antibiofilm potential of 25 soil actinomycete strains against MDR strains including Escherichia coli strain M4, Pseudomonas aeruginosa strain M19, Klebsiella pneumoniae strain M19, Bacillus subtilis strain M18, and Methicillin Resistant Staphylococcus aureus (MRSA). In this study, three actinomycete isolates encoded APM-7, APM-11, and APM-21 showed a strong and broad antibacterial spectrum. The minimum inhibitory concentration (MIC) of extracts derived from these isolates was ranged from 78 μg/ml to 10,000 μg/ml. In addition, The extracts also displayed significant biofilm inhibition values ranging from 6.06 to 72.4%. Based on the results, APM-21 extract had the best antibacterial and antibiofilm activities with the strongest values against MRSA. According to the nucleotide sequencing of the 16S rRNA gene, APM-7, APM-11, and APM-21 strains possessed similar identities with Streptomyces cyaneus, Streptomyces coerulescens, and Streptomyces panayensis, respectively. Based on Liquid Chromatography Tandem-Mass Spectrometry (LC-MS/MS) analysis, two antibacterial compounds, namely rancimanycin III, and enteromycin were detected in all those three extracts. Interestingly, APM-21 extract also contained two prominent antibacterial substances including paramagnetoquinone C, and caerulomycin I, suggesting their contribution to the most potential activities. Moreover, new insights were provided into a promising candidate for use in an active compound combating strategy to control MDR bacterial strain infection.
Co-Authors Adi Parman Rudia, La Ode Aditya Hikmat Nugraha Ady Jufri Agus Putra AS Agusrinal Agusriyadin, Agusriyadin Al Muzafri Alghi, Anugerah Febryan Alya Dina Wilujeung Andi Besse Patadjai Andi Septiana Ansar, Soehardiman Anti Landu Anwar Anzani, Luthfi Ardiansyah, Indra Ari Anggoro Arianto Arianto Arif Prasetya Arif, Arif Prasetya Arina Ruzanna Asni Asni Asni Asni Awal, Samsi Ayub Sugara Azwar Sidiq Basiruddin, Basiruddin Cakra Rahardjo Chandrika Eka Larasati Dandi Saleky Disnawati Disnawati Disnawati Disnawati, Disnawati Dwi Rosalina Eldin, Hasan Endi Ardianto FAJAR NUGROHO Fajar Nugroho Faradisa Anindita Fatur Rahman Rustan Firman syah Fitra, Ramad Arya Gaby Nanda Kharisma Gaby Nanda Kharisma Hamid, Fanul Harsanto Mursyid Hasan Eldin Hasan Eldin Adimu Hasria Hasria, Hasria Hening, Egiyanti Nur Widhia I Gusti Bagus Wiksuana Ibrahim, Akhmad Fadli Iis Afrianty Ilham Antariksa Tasabaramo Ilham Antariksa Tasabaramo, Ilham Antariksa Indra Ardiansyah Iradaf Mandaya Izal jafar, Maharani Jafar, Maharani ' Jepri Agung Priyanto, Jepri Agung Kamaruddin, Anggi Ashari Kamur, Sudarwin Kangkuso Analuddin, Kangkuso La Aba La Ode Huli La Ode Muhamad Hazairin Nadia Laode Muhamad Hazairin Nadia Laode Muhamad Hazairin Nadia Laode Muhamad Hazairin Nadia Latifa Fekri Lebrina Ivantry Boikh Maharani Maharani Maharani Maharani Maharani Maharani, Maharani Masitah Minsaris, La Ode Alam Mizwar, Muh. mubarak, azhar aras Muhamad Azwar Syah Muhamad Jalil Baari Muhammad Hatta Muhammad Syaiful Muis Muis Muis Mujiyanto Mujiyanto Mutmainnah Muchtar Nur Anisa Nur Ikhsan Nurhuda Annaastasia Patadjai, Andi Besse Permatasari, Vera Phradiansyah Prastya, Muhammad Eka Primahana, Gian Putri Cahyani Putri Grace Simamora Rahardjo, Cakra Rahmat Karim Rahmat Karim, S.Si., M.Si Ramad Arya Fitra Ramlah Ramlah Ramlah Ramlah Saleh Rhesi Kristiana Rika Anggraini Riska Riska Riska Riska Riska Riska Risnita Tri Utami Rizna Triana Dewi Safar, Muhammad Saleh, Ramlah Sarimuddin, Sarimuddin Sety, La Ode Muhamad Simbolon, Sumihartati Sri Rezeki Suharsono Bantun Suryanti, Erma Syahrial Syahrial Teddy Triandiza Tezza Fauzan Waode Nilda Arifiana Effendy Wica Elvina Wilujeung, Alya Dina Windi Syahrian Wulandari Wulandari Yulfiperius, Yulfiperius Yulianti, Eva Tri Yunialdi Hapynes Teffu Yuwanda Purnamasari Pasrun Zibar, Zan Zulfathri Randhi