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All Journal Jurnal Biologi Udayana SIMBIOSIS Jurnal Mikologi Indonesia

Job Nico Subagio

Program Studi Biologi Fakultas Matematika Ilmu Pengetahuan Alam, Universitas Udayana

Author-ID : 2939497

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology

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POTENSI KONSORSIUM BAKTERI UNTUK BIOREMEDIASI LIMBAH CAIR RUMAH POTONG HEWAN PESANGGARAN BALI Gusti Ngurah Wisnanda Putra; Retno Kawuri; Job Nico Subagio
SIMBIOSIS Vol 10 No 1 (2022)
Publisher : Jurusan Biologi Universitas Udayana

Slaughterhouses produce solid waste and liquid waste. The liquid waste consists of urine, blood, fat, and carcass washing water which causes pollution to the environment if not treated in a good way. This study aims to determine the potential of a consortium of bacteria (Bacillus sp., Klebsiella sp.) in remediating the abattoir wastewater. This research was conducted from January to April 2021 at the Microbiology Laboratory of the Biology Study Program, Faculty of Mathematics and Natural Sciences, Udayana University, and the Analytical Laboratory of Udayana University, using the Sequence Batch Reactor (SBR) method, with the varying treatment of a consortium of bacteria concentration i.e 0 (as control), 10, 20, 30, 40, and 50 mL in 2 liters of liquid waste. Parameters observed were changes in physical parameters, BOD5, Total Plate Number (ALT), and nitrite and nitrate content of waste samples. The results of this study showed that treatment 5 is giving a bacterial consortium dose of 50 mL/2 liters of wastewater was the most effective dose with a BOD5 value of 0.82 g/L, clear yellow without odor, TDS Final Value 539.6 mg/L, and the number of bacteria 9.54 x 1010 and a decrease in nitrite and nitrate by -0.001 and 1.743 mg/L

LEAD (Pb) CONTENT AND STOMACH HISTOLOGICAL STRUCTURE IN TILAPIA (Oreochromis mossambicus) FISH ORGANS LIVED IN THE WATERS OF UPAL PT. ITDC shanon lestari; Ngurah Intan Wiratmini; Job Nico Subagio
SIMBIOSIS Vol 8 No 2 (2020)
Publisher : Jurusan Biologi Universitas Udayana

Nusa Dua merupakan kawasan pariwisata dengan rancang bangun yang komprehensif dan terpadu sebagai sarana akomodasi wisata berkelas Internasional. Pengelolaan limbah cair dikelola secara terpadu pada Unit Pengelolaan Air Limbah (UPAL) milik PT. ITDC. Hotel – hotel membuang limbah cairnya melalui collection pit yang akan diakumulasikan di kolam UPAL. Tiga kolam terakhir digunakan sebagai kolam pemeliharaan ikan salah satunya ikan mujair, sebagai bioindikator. Ikan mujair dikolam itu dapat hidup namun belum diketahui bagaimana histologi dan anatomi organnya, sehingga perlu kajian histologis. Rancangan penelitian yang digunakan Rancangan Acak Lengkap dengan pengambilan sampel ikan mujair pada dua titik pengambilan dari area lagoon. Sampel ikan mujair diambil sebanyak 8 kali sebagai ulangan, dari setiap kolam yaitu kolam nomor 2 B dan kolam nomor 3. Variabel yang diamati adalah kandungan timbal (Pb) pada daging ikan dan kerusakan jaringan pada organ lambung . Rerata kandungan timbal dalam daging ikan dari kolam 2B sebesar 1,85 mg/kg, sedangkan dari kolam 3 sebesar 1,24 mg/kg. Jumlah sel dengan inti karyoreksis dan jaringan yang mengalami desquamasi sel epitel pada lambung ikan mujair (O. mossambicus) dari kolam 3 lebih rendah secara nyata dibandingkan di kolam 2B. Peralihan dari kolam 2B ke kolam 3 mengurangi kandungan timbal dan kerusakan histologis. Kata Kunci: mujair, lambung, logam berat, Pb

JENIS DAN DENSITAS BULU BABI (ECHINOIDEA) DI KAWASAN PANTAI SANUR DAN SERANGAN DENPASAR- BALI Ni Luh Eka Wulandewi; Job Nico Job Nico Subagio; Joko Wiryatno
SIMBIOSIS Vol 3 No 1 (2015)
Publisher : Jurusan Biologi Universitas Udayana

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This aimed this study were to identify the species and the density of sea urchin at Sanur andSerangan beach. The research was conducted from Desember 2013 – February 2014. Thesamples were collected from area of Sanur beach, Merta Segara beach, Mertasari beach andSerangan beach, by using transect method within 5 m x 5 m. Speciesmens were identified atLaboratory of Ecology and the Laboratory of Animal Taxonomy at Department of Biology,Faculty of Science and Mathematics, University of Udayana. There 12 species of sea urchin werefound, that are Clypeaster sp., Astropyga radiata, Diadema palmeri, Diadema savignyi,Diadema setosum, Echinothrix calamaris, Echinometra mathaei, Heterocentrotus sp., Maretiaplanulata, Temnopleurus sp., Toxopneustes sp. and Tripneustes gratilla from 6 different family.The highest density of sea urchin are 0,373 individual/m2 was found which were at Seranganbeach, and the lowest density of sea urchin are 0,144 individual/m2 was found at Mertasaribeach.Keywords: Sea urchin species, density

JENIS DAN KEPADATAN TERIPANG (Holothuroidea) DI PANTAI BALI SELATAN Ni Putu Mery Yanti; Job Nico Subagio; Joko Wiryatno
SIMBIOSIS Vol 2 No 1 (2014)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (132.864 KB)

The research wasaimed to theidentifyspecies and density of sea cucumbers at southernbeach of Bali are Mertasari beach, Segara beach, and Mengening beach. The identification ofspecies was conducted in the Laboratorium of EcologyDepartment of Biology, Faculty ofNatural Science and Mathematics, University of Udayana from December 2013 toJanuary 2014.A size of 1 x 1m quadrat squaretransect sampling method was employed in this research.Identification of sea cucumbers was performed based on their morphology and shape ofspicules. GSIwas used to observed reproductionphase of sea cucumber.Two species of seacucumbers found ware Holothuria atra and Holothuria sp. Holothuria atra was found atMertasari beach, Sanur village, southern of Denpasar and Segara beach, Tuban, Kuta, Badungwhile Holothuria sp. was faound atMengening beach. Segara beach showed the highestdensityof4.333 individual/m2,while Mertasari beach showed the lowest density 0.875individual/m2. GSI Value ofMertasari, Segara, andMengening beach showed the activationofphase ofI andII.Keywords: Holothuroidea, species, sea cucumber, density, GSI

VARIATION MORPHOMETRY AND MORPHOLOGICAL CHARACTER OF GOLDEN APPLE SNAIL (Pomacea canaliculata) IN RICE FIELD ABIANSEMAL VILLAGE, BADUNG I Gede Agus Suarmustika; Ni Made Suartini; Job Nico Subagio
SIMBIOSIS Vol 6 No 2 (2018)
Publisher : Jurusan Biologi Universitas Udayana

The purpose of this study was to determine variations in morphology and morphological characteristics of golden apple snails (P. canaliculata) in rice fields in Abiansemal Village. Gold apple snails can be found living in fresh water, including lakes, rivers, small ditches and also in rice fields. Rice field habitats in Bali can still be found in Abiansemal village, Badung regency, but not much information has been disclosed about the snails in the rice field habitat, especially the golden apple snail species (P. canaliculata). Therefore, it is necessary to do research on the golden apple snails in Abiansemal Village. This research was carried out in rice fields located in Abiansemal Village, Abiansemal District, Badung Regency, Bali Province. The study was conducted from April to May 2017. Sampling of golden apple snail (P. canaliculata) was carried out in three plots of rice fields in three banjars in Abiansemal Village, namely in the Latu Sari, Banjar Aseman, and Juwet banjars. The rice field was chosen randomly and then in each selected field of rice the golden apple snail sample was taken using a 1x1m square. Samples on each plot of rice were taken three times. All samples of golden snail contained in the squared were taken and cleaned and then preserved with 70% alcohol. The golden apple snail sample obtained was calculated for its density and all morphological and morphometric characters were analyzed descriptively. In this study it was found that the morphology of golden apple snail patterned lines for morphometric characters, the shell height was higher in the banjar Juwet area, for the width of the shell mouth was greater in the banjar area Aseman and the height of the shell cover was higher in the banjar area of Latu Sari, while the morphology was plain patterned for morphometric characters, the height of the shell and the height of tendrils were higher in the banjar area of Latu Sari, and for the height and width of the cover the shell was higher and wider in the banjar area of Aseman, while for the other morphometric characters the results were found almost the same. Keywords: snail, rice field, morphology, morphometry

DETERMINASI TOTAL BAKTERI DAN Escherichia coli PADA TELUR BURUNG PERKUTUT (Geopelia striata) YANG GAGAL MENETAS DI BEBERAPA PENANGKARAN LOKAL DENPASAR, BALI Aryadi Millenia Saputra; Retno Kawuri; Job Nico Subagio
SIMBIOSIS Vol 10 No 2 (2022)
Publisher : Jurusan Biologi Universitas Udayana

Birds have an attraction that has unique colors and melodious sounds, including the Zebra Dove (Geopelia striata). The high economic value of the Zebra Dove (G. striata) for the community causes excessive hunting and trading of these animals so that it can reduce bird populations in the wild. Conservation efforts are carried out to prevent the decline in bird populations in nature, namely bird breeding places. Bacterial contamination is an obstacle during the breeding process of birds. The purpose of this study was to determine the Total Plate Count (TPC) of bacteria and Escherichia coli in samples of contents and shells of Zebra Dove eggs (G. striata) that failed to hatch from several local bird breeders Denpasar, Bali. The research was conducted at the Microbiology Laboratory of the Biology Study Program, FMIPA Udayana University. The method used is the pour plate TPC test on Nutrient Agar (NA) and Eosin Methylene Blue Agar (EMBA) media. The results of the bacterial TPC test in the egg contents and egg shell sample obtained the highest average was found in the third breeder, while the lowest in the first breeder. Escherichia coli TPC results on the egg contents and egg shell sample obtained the highest average was found in the third breeder. The presence of the TPC of bacteria and Escherichia coli in the contents and shell samples of Zebra Dove (G. striata) varied every breeder.

Co-Authors Aryadi Millenia Saputra Deny Suhermawan Yusup Gusti Ngurah Wisnanda Putra I Gede Agus Suarmustika Ida Bagus Gede Daymayasa Joko Wiryatno Komang Triwiyanto Meitini Proborini Wahyuni Ngurah Intan Wiratmini Ni Luh Eka Wulandewi Ni Made Suartini Ni Putu Mery Yanti Retno Kawuri shanon lestari

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