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All Journal BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) ULIN: Jurnal Hutan Tropis Jurnal Natural
Hazmi, Nubli
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Astronomy Biochemistry, Genetics & Molecular Biology Chemistry Earth & Planetary Sciences Energy Environmental Science Immunology & microbiology Neuroscience Physics

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Cadangan karbon pada pepohonan di Taman Methanol, PT Kaltim Methanol Industri, Bontang Aprianto, Muhammad Kukuh; Bisri, Audry Nur Haliza; Putra, I Kadek Surya Aditya; Gurning, Mori; Dhiu, Hildiana Apriliani; Hazmi, Nubli; Yuliani, Ferdina; Abriyanto, Hery
ULIN: Jurnal Hutan Tropis Vol 8, No 2 (2024)
Publisher : Fakultas Kehutanan Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32522/ujht.v8i2.11948

Abstract

Masifnya pembangunan perkotaan menyebabkan pemenuhan RTH terabaikan, hal ini membutuhkan keterlibatan seluruh pihak salah satunya adalah PT Kaltim Methanol Industri sebagai salah satu perusahaan di Kota Bontang juga berupaya pemenuhan RTH di Kota Bontang bisa dipenuhi salah satunya adalah dengan mengelola RTH secara mandiri, PT KMI mengelola taman metanol sebagai salah satu RTH yang berlokasi di Bontang Lestari. Penelitian ini bertujuan mengetahui serapan karbon dan keanekaragaman jenis vegetasi. Penelitian ini dilakukan pada bulan April hingga Mei 2023 menggunakan sistematik sampling dengan 22 plot yang merupakan 17,8% area lokasi. Pengambilan sampel dengan plot kuadrat 20 m x 20 m. Biomaasa pada taman metanol sebesar 377,98 ton/Ha, dengan kandungan karbon total sebesar 173,87 ton/Ha. Sehingga taman metanol memili kemampuan serapan karbon saat ini sebesar 637,58 ton/Ha. Terdapat 39 jenis dari 14 famili yang menjadi penyusun vegetasinya. Keanekaragaman di Taman Methanol tergolong ke dalam kategori sedang dengan tingkat kemerataan yang tinggi dan nilai dominansi yang rendah.
Species and index diversity of macrofungi from two different locations in East Kalimantan ARIF, MUHAMMAD FAUZI; DEMO, HILDIANA APRILIANI DHIU; YULIANI, FERDINA; HAZMI, NUBLI; ROSADI, IMAM; YULIATIN, ERVINDA; SUGIANUR, SUGIANUR; ABRIYANTO, HERY
Jurnal Natural Volume 25 Number 2, June 2025
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jn.v25i2.46749

Abstract

East Kalimantan represents the lowland rainforest ecosystem with a vast number of macrofungi species in Indonesia. This study aimed to evaluate the diversity of macrofungi within the two different locations in East Kalimantan. The study was conducted in several phases, including planning, survey, preparation, sampling, and data analysis. Sampling was carried out systematically in 20 20 m plots. Collected samples were processed, photographed, and identified. Ecological indices, including the Shannon-Wiener diversity index, species evenness, and the Simpson dominance index, were calculated to provide a detailed analysis of the macrofungal community structure. This study found that location 1 recorded 24 species from 21 genera, while location 2 had 22 species from 20 genera. The Shannon-Wiener diversity index indicated moderate diversity at both sites, with values of 2.82 for location 1 and 2.65 for location 2. Daedaleopsis confragosa was the most frequent and dominant species in location 1, contributing 12.03% relative density, while Marasmiellus candidus dominated location 2 with 18.51% relative density. Species evenness was medium in both locations, and the dominance index was low, highlighting the ecological significance of these fungal species in their respective habitats. The results emphasize the importance of studying fungal ecology to support conservation and sustainable environmental management. The study revealed a wide variety of macrofungi that play vital roles in the tropical ecosystems of these two locations in East Kalimantan.
EVALUATION OF THE CAPABILITY OF IMMOBILIZED CHLORELLA VULGARIS (BEIJERINCK, 1890) IN ALGINATE BEAD MATRIX AS A BIOADSORBENT FOR HEAVY METAL ZINC (Zn) Putranto, Aldo Ferio; Hazmi, Nubli; Hariani, Nova; Arif, Muhammad Fauzi
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 12 No. 1 (2025): Biolink August
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v12i1.14615

Abstract

Bioremediation intends to use living organisms to remove or decompose pollutants, using their ability to metabolize or accumulate hazardous substances, thus reducing toxicity. This study aims to compare the removal efficiency of free suspended Chlorella vulgaris and immobilized Chlorella vulgaris. Monoculture isolates of Chlorella vulgaris were cultured in an aqueous medium with KW21 fertilizer for approximately 12 days until reaching the stationary phase. The biomass was harvested, dried, and separated. A ZnCl₂ solution was prepared with 2, 4, and 8 ppm working concentrations. The biosorption efficiency was calculated to evaluate the biosorption capacity. The results indicated that the removal efficiency of free suspended C. vulgaris was 14.73%, 6.76%, and 10.22% for the respective concentrations. Immobilized C. vulgaris exhibited significantly higher removal efficiencies of 73.79%, 77.87%, and 83.80%. This study shows that immobilizeed C. vulgaris have a higher removal efficiency value than free suspended C. vulgaris cells because they can withstand heavy metal toxicity better. This study implicates that the treatment of alginate beads increases the stability and effectiveness of biosorption, and makes this method a preferred approach for heavy metal bioremediation applications in aquatic environments.
Co-Authors Abriyanto, Hery Aprianto, Muhammad Kukuh Bisri, Audry Nur Haliza DEMO, HILDIANA APRILIANI DHIU Dhiu, Hildiana Apriliani Gurning, Mori Imam Rosadi Muhammad Fauzi Arif Nova Hariani Putra, I Kadek Surya Aditya Putranto, Aldo Ferio Sugianur, Sugianur Yuliani, Ferdina Yuliatin, Ervinda