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Ivan Permana Putra
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Departemen Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Institut Pertanian Bogor, Kampus IPB Darmaga, Bogor 16680
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Jurnal Sumberdaya Hayati
Published by Institut Pertanian Bogor
ISSN : -     EISSN : 2477037X     DOI : DOI: 10.29244/jsdh.9.1.7-16
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology
The "Jurnal Sumberdaya HAYATI" is a peer-reviewed and an open access journal published by Department of Biology, Bogor Agricultural University, Indonesia. The journal publishes significant and important research from all area of biodiversity, biosystematics, ecology, physiology, behavior, genetics and biotechnology. All life forms, ranging from microbes, fungi, plants, animals, and human, including virus.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 5 Documents
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Search results for , issue "Vol. 9 No. 3 (2023): 2023" : 5 Documents clear
Keanekaragaman Coccinellid Predator sebagai Musuh Alami Hama Kutu-Kutuan pada Ekosistem Pertanaman Cabai Merah di Kecamatan Merawang, Kabupaten Bangka: Diversity of Predatory Coccinellids as Natural Enemies Pest of Fleas in the Red Chili Plantation Ecosystem in Merawang District, Bangka Regency Luffi Pratiwi; Anggraeni; Rion Apriyadi
Jurnal Sumberdaya Hayati Vol. 9 No. 3 (2023): 2023
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.9.3.119-124

Abstract

Coccinellid beetles (Coleoptera), most of which are predatory species on small, soft-bodied insects. Predatory Coccinellids are biological agents that functions as pest control in cultivated plants. The control of plant pests needs the availability of data on potential coccinellid predators. This reserach aims to study the diversity, richness, evenness and dominance of predatory coccinellid and to determine their relationship with environmental microclimate parameters. The research was carried out in the red chili plantation ecosystem at Merawang District, Bangka Regency. Three stations were used, i.e., station 1, 2, and 3 in Kimak, Jada Bahrin, and Balunijuk villages, respectively. Predatory coccinellid were collected by hand picking and by using a sweep net. Data on diversity analyzed using the Shannon-Wiener, Data on richness analyzed using the Margalef, Data on evenness analyzed using the Pielow evenness indices. dominance species was analyzed using the Simpson formula. The results showed that there were 7 species of predatory coccinellid, namely Coccinella tranversalis, Harmonia octomaulata, Menochilus sexmaculatus, Coelephora. macullata, C. bisellata, Verania lineate, and V. discolor with diversity at a moderate level (1,254), evenness at a low level (0.239) , the richness at a low level (1,628), and dominance of coccinellid at a low level (0.369).
Stok Karbon Organik Sedimen di Kawasan Ekosistem Mangrove Pesisir Kabupaten Kolaka Sulawesi Tenggara: Organic Carbon Stock in the Mangrove Ecosystem Area of Kolaka Coastal Line Southeast Sulawesi Fajar Hasidu; Maharani Maharani; Gaby Nanda Kharisma; Ramlah Saleh; Putri Grace Simamora; Sri Rezeki; Arif Prasetya; La Ode Muhamad Hazairin Nadia; Zulfathri Randhi; Hasan Eldin Adimu
Jurnal Sumberdaya Hayati Vol. 9 No. 3 (2023): 2023
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.9.3.104-108

Abstract

Mangrove ecosystem can absorb and store carbon stock in their biomass and sediment. This ecosystem plays an important role in the carbon cycle. This study aimed to analyze the C-organic content and organic carbon stock of sediment, also CO2 absorption. The sediment sampling was conducted in the Kolaka Coastal line mangroves using a Peat Auger for 1 m of sediment depth. Then the sediment was separated into four layers. Then the sediment samples were oven dried at 50°C for 1 week for sediment bulk density analysis (SBD). The analysis of the C-organic content of sediment was done by the LOI method. The estimation of sediment carbon stock using sediment C-organic data and SBD data. The results showed that the highest average of C-organic content was in station 3 (4.12±0.15%). In the othher hand, the highest average of SBD was in station 1 (0.67±0.02 g cm-3). Overall, the total of sediment C-organic stock in station 1 was higher than other station (233.67±11.90 Mg C ha-1). The total capacity of CO2 absorption by sediment in the station 1 was also higher than other station (856.77±37.66 Mg CO2 ha-1). The sediment C-organic stock was influenced by C-organic content and SBD value.
Seleksi dan Karakterisasi Bakteri Halotoleran Penghasil Enzim Amilase Dari Produk Fermentasi Ikan-Inasua: Selection and Characterization of Halotolerant Bacteria that produce Amylase Enzyme from Fish-Inasua Fermented Food Karina Eku Dwinanda Gunawan; Jepri Agung Priyanto; Nisa Rachmania Mubarik
Jurnal Sumberdaya Hayati Vol. 9 No. 3 (2023): 2023
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.9.3.96-103

Abstract

Fish-inasua fermented food is a potential source to obtain halotolerant bacteria-producing amylase. Previously, four bacterial isolates such as IG12, IG6, IG66, and IG31, isolated from this food, have been reported to be able to produce protease and lipase enzyme, but their potential as amylase enzyme producers have not been studied. This study aims to characterize and test the potential of halotolerant bacteria isolated from this food in producing amylase enzymes. Based on Gram staining, four bacterial isolates were Gram-positive. The qualitative test of amylase on NA medium with the addition of 1% starch showed four bacteria were able to produce amylase in NaCl (0 to 5%)-containing medium. IG66 isolate was the most potential isolate because it had the highest enzyme activity in a medium with 5% NaCl concentration, which was 0.095 U/ml. The amylase activity was produced maximum at the 8th hour, which is the early stationary phase. Its maximum activity in the 5% NaCl-containing medium was at the 10th hour. In addition, amylase produced by IG66 isolate reached optimum activity at a temperature of 50°C and pH 7. This study concluded that IG66 isolate was the most potential halotolerant isolate that could be developed as an amylase-producing agent.
Variasi Sisik Tumbuhan Paku Terestrial di Kampus IPB, Dramaga, Bogor : Variations of Terrestrial Scale Fern on The Campus of IPB University, Dramaga, Bogor Siti Halimatussadiah; Nina Ratna Djuita; Tatik Chikmawati Chikmawati
Jurnal Sumberdaya Hayati Vol. 9 No. 3 (2023): 2023
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.9.3.109-118

Abstract

IPB Dramaga campus has high biodiversity, one of which is terrestrial ferns. Ferns have scales or hairs that cover the rhizome, petiole and leaf blade. The characteristic of scales can be used in the identification of fern species. The aim of this study was to determine the morphological diversity of terrestrial fern scales collected from the IPB Dramaga campus. The fern scales was observed under a light microscope connected to an indomicro and the density was calculated. The rhizome and petiole scales found in the form of lanceolate, ovate, subulate, linear, and reniform. The tip of the scales varies from thick, and needle-like, thin, and thick. The edges of the scales vary, namely threaded, flat, or banded. The attachments of the base of the scales found were, peltate. pseudopeltate, and basifix. The color of the scales varies from transparent, yellow, light brown, fawn, and dark brown. The scale density ranged from 0.6 to 21.3/mm2. The Pteridaceae have more characteristics in common between their genera than the other two family, but these similarities cannot be used for taxonomic identification and classification, because they are not specific for each genus.
Identifikasi Berdasarkan Anatomi Tumbuhan Pakan dalam Feses Gajah Sumatra (Elephas maximus sumatranus) di Taman Nasional Way Kambas: Identification Based on the Anatomy of Forage Plants in the Fecal of the Sumatran Elephant (Elephas maximus sumatranus) in Way Kambas National Park Sekar Khalishah Adinda; Nunik Sri Ariyanti; Dorly Dorly
Jurnal Sumberdaya Hayati Vol. 9 No. 3 (2023): 2023
Publisher : Departemen Biologi, Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jsdh.9.3.125-133

Abstract

The diversity of forage plant species for elephants can be analyzed by observing the anatomy of undigested plant fragments in the fecal. This study aims to identify forage plants from the fecal samples of Sumatran elephant in Way Kambas National Park. The research methods include collected fecal samples at Way Kambas National Park, prepared slide microscope of epidermis of the plant fragments using the whole mount method, observed the anatomical characters and identified the plant fragments based on data from previous studies and reference. The results obtained 34 types of epidermis which were differentiated based on the characteristics of epidermal cell, stomata and trichomes. These epidermis types were used to identify the plants forage by Sumatran elephants. We found leaf fragment of four families, namely Arecaceae, Cyperaceae, Poaceae and Zingiberaceae. The most common fragments found in the fecal samples were the leaf fragments of Poaceae (28 type epidermis). Anatomical study on the plant fragments in fecal can be used as an alternative method in studying plants consumed by elephant.

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