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Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University Palembang-Prabumulih Road KM 32 Indralaya, Ogan Ilir, South Sumatera 30662 Indonesia
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BIOVALENTIA: Biological Research Journal
Published by Universitas Sriwijaya
ISSN : -     EISSN : 24771392     DOI : https://doi.org/10.24233/biov
Core Subject : Health, Science, Agriculture, Social,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Medicine & Pharmacology
BIOVALENTIA: Biological Research Journal aims to review and publish the Biological research results from researchers. The range of articles which BIOVALENTIA: Biological Research Journal publishing is the research results in Biology science and applied Biology. Biology science is included Ecology, Biosystematics, Physiology, Developmental Biology, Microbiology, Genetics. Applied Biology is included Biotechnology, and the sciences derived from Biology science.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 7 Documents
 1 
Search results for , issue "Vol. 5 No. 1 (2019)" : 7 Documents clear
THE DETERMINANT FACTOR OF URINARY STONE FORMATION ON PALM OIL PROCESSING WORKERS AT PTPN VII BETUNG Sukmawati, Sukmawati; Novrikasari, Novrikasari; Miksusanti, Miksusanti
BIOVALENTIA: Biological Research Journal Vol. 5 No. 1 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (544.084 KB) | DOI: 10.24233/BIOV.5.1.2019.124

Abstract

High temperature of work environment affects fluid and electrolyte balance of workers. It is also affecting the urine production by increasing its concentration and if it lasts for a long time causes urinary crystallization. This work was aimed to analyze the determinant factor of urinary stone formation within palm processing workers at PTPN VII Betung. Population sample in this work is 103 workers which represents total population of workers at PTPN VII of Betung unit. Research was designed quantitatively using cross-sectional study. Data collection was carried out using several instruments i.e. questioner, interview and observation. The obtained data was processed through univariate, bivariate and multivariate analysis. Result shows the number of workers with a positive urinary crystallization are 18 workers (17.5%). Characteristic of respondent are typically aged < 45 years (68%), hydration status was not dehydrated (53.2%). Multiple logistic regression analysis result shows hydration status variable (OR = 5.508) affects the formation of urinary stone with worker’s age as confounder
APPLICATION OF TRAP BARRIER SYSTEM COMBINED WITH CAGE TRAP FOR CONTROLLING RATS IN RICE FIELD Sekarweni, Hastin Wulan; Pujiastuti, Yulia; Herlinda, Siti
BIOVALENTIA: Biological Research Journal Vol. 5 No. 1 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (502.394 KB) | DOI: 10.24233/BIOV.5.1.2019.128

Abstract

Rice-field rat is a main pest of rice. Yield reduction caused by rat is quite high, because rats attack rice plant at all stages. One of the efforts applied to control rats is by using Trap Barrier System combined with cage trap. The objective of this research was to identify species of rat attacking rice plants and investigate the presence of  rat by their footprints. The experiment was conducted in Jalur 6  Village Sumber Mulya, Sub-district  Muara Telang,  District Banyuasin, South  Sumatra. One hectare of farmer’s rice field, divided into 3 sub-plot. Each sub-plot was planted with variety paddy of Inpari 22 (sub-plot A), Inpari 33 (sub-plot B), and Inpari 43 (sub-plot C). The number of cage traps was 6 traps per sub-plot. Observations were made 7 times, with an interval of 10 days. Results showed species of trapped rats in the research area was Rattus argentiventer, in which number of males was higher than females. Morphologically, the size of males were bigger than female. Number of footprints did not reperesentative the number of trapped rats. Inpari 43 variety was more preferred by rats because damage intensity was the highest than other two rice varieties.
FOOD HABITS OF LUNDU FISH (Mystus gulio Hamilton, 1822) IN THE WATERS OF SUNGAI DUA (TWO RIVERS) VILLAGE, RAMBUTAN DISTRICT, BANYUASIN REGENCY, SOUTH SUMATERA Ridho, Moh Rasyid; Patriono, Enggar; Pratiwi, Ria Hani
BIOVALENTIA: Biological Research Journal Vol. 5 No. 1 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (540.183 KB) | DOI: 10.24233/BIOV.5.1.2019.129

Abstract

The research about food habits of Lundu fish (Mystus gulio Hamilton, 1822) in the waters of Sungai Dua (Two Rivers) Village, Rambutan District, Banyuasin Regency, South Sumatra. The sampling was conducted in five times in December 2016; January, February, March and April 2017. Identification of the samples was in Laboratory of Animal Taxonomy, Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University, Indralaya.The purpose of the research was to analyze the food habits of Mystus gulio Hamilton, determine the relationship of length-weight, determine the conditions, analyze the gastric fullness index. The results of this research showed that the food habits of Mystus gulio Hamilton is plankton, like Cyanophyta, Chlorophyta, Diatomae, Desmidiacae, Euglenophyta, Pyrrophyta, Ciliata, Rhizopoda, Rotaria, and Entomostraca.
POTENCY AND ACTIVITY OF SECONDARY METABOLITE OF Trichoderma harzianum AC1(b) J2 INHIBITOR GROWTH Colletotrichum capsici IPBCC 13.1098 Nurkayah, Nurkayah; Nurnawati, Elisa; Widjajanti, Hary
BIOVALENTIA: Biological Research Journal Vol. 5 No. 1 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (506.76 KB) | DOI: 10.24233/BIOV.5.1.2019.130

Abstract

Trichoderma harzianum is a fungus that can produce secondary metabolites which able to inhibit the growth of Colletotrichum capsici. a pathogenic fungus causing anthracnose in plants. the Aims of this research were to obtain and analyze the ability of secondary metabolites of Trichoderma harzianum AC1 (b) J2 isolated from Scleria poaeformis. to inhibit the growth of Colletotrichum capsici IPBCC13.1098. The secondary metabolite eluat of Trichoderma harzianum were tested for the antifungal activity toward Colletotrichum capsici IPBCC 13.1098. Fractionation was carried out by Column Chromatography and produced 31 eluat. The secondary metabolite eluat of Trichoderma harzianum with the highest inhibition zone diameter was eluat 1 with 8.4 mm in diameter. The secondary metabolite eluat with the highest value of inhibition zone was carried out by MIC test and thin layer chromatography (TLC). Based on the MIC results, the minimum inhibitory concentration of the secondary metabolite of Trichoderma harzianum to fungus Colletotrichum capsici was 250 ppm with inhibition zone diameter was 0.10 mm. The results of TLC showed orange spots on the TLC plate that indicated alkaloite compounds.
RECENT OBSERVATION OF FALSE GHARIAL (Tomistoma schlegelii) IN THE SEMBILANG NATONAL PARK (TNS) AREA, BANYUASIN REGENCY, SOUTH SUMATERA PROVINCE Setiawan, Arum; Safri, Adios; Prima, Bayu; Kadarisman, Reza; Indrianti, Winda; Oktaberi, Redi
BIOVALENTIA: Biological Research Journal Vol. 5 No. 1 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (761.951 KB) | DOI: 10.24233/BIOV.5.1.2019.133

Abstract

A research about False Gharial (Tomistoma schlegelii) which is a protected animal based on National Government Regulation Number 7 of 1999 and renewal of Permen LHK No. P92/MENLHK/SETJEN/KUM.1/8/2018 has been conducted on 15 until 19 September 2017 located in the region of SPTN 3 Hulu Benu River Muara Merang Village 3 Pancuran Village, and on 27 February until 04 March 2018 located in the region of SPTN 3 area Hulu Benu River Tanah Pilih Village, Berbak Sembilang National Park (TNBS), South Sumatra. This reaserch aims to monitoring the conditions of habitat and its populations for the purpose of conservation and management of TNBS areas to be more optimal. The methods used is direct monitoring during the day and night, indirect monitoring through information and interviews with citizens, as well as secondary data collection. The results obtained, were that there was an encounter and information about the existence of False Gharials measuring ± 1 to 5 meters in the upper reaches of the Benu River in the Merang River, Rasau River, Bagan 2, Bagan 6 through Bagan 9. This resulted in the determination of the Benu River TNBS as an important habitat False Gharials that needs to be managed appropriately as conservation areas
RELATIONSHIP ANALYSIS OF WHOLE BODY VIBRATION (WBV) WITH MUSCULOSKELETAL DISORDER (MSDS) COMPLAINTS ON HEAVY EQUIPMENT OPERATORS AT THE TRANS SU-MATRA TOLL ROAD CONSTRUCTION PROJECT AT PT. ADHI KARYA TBK Kesuma, Citra Retya; Malaka, Tan; Novrikasari, Rika
BIOVALENTIA: Biological Research Journal Vol. 5 No. 1 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (469.183 KB) | DOI: 10.24233/BIOV.5.1.2019.134

Abstract

The use of heavy equipment in the construction field is very helpful in the process of a project. Heavy equipment operators exposed to the Whole Body Vibration due to a machine that can be transmitted through a seat or on the floor. These vibrations at certain intensities can lead to Musculoskeletal Disorder. This study aimed to analyze the relationship of Whole Body Vibration with the occurrence of Musculoskeletal Disorder complaints on Heavy Equipment Operators. Methods this study used cross sectional design, with a measuring instrument in the form of an accelerometer type 100A svantek and a Nordic Body Map questionnaire. The research sample was 45 operators with heavy equipment consisting of excavators, bulldozers, motorgrade, vibro compactors and dump trucks. WBV data retrieval is done when the operator works,, the tool is placed in the seat where the operator sits. Results of the study can be obtained through exposure to WBV based on ISO 2631: 1 15 heavy equipment operators (33.3%) were in the low WBV exposure category, while 30 operators (66.6%) in the Moderate and High category. Parts of the body which can be categorized as belonging to Work-related is part of Lower Back 99.35% (P Value 0.043; NK_R2 0.304) with BMI (OR 0.925) as the confounding variable. It can be concluded that the complaints Musculoskeletal Disorder (MSDs) in the Lower back may come from the presence of vibration exposure Whole Body Vibration generated from his job as a heavy equipment operator. Advised the company's management can reduce complaint rates by reducing operator exposure received.Keywords: Secondary metabolites, Trichoderma harzianum, Colletotrichum capsici, tannin
RECENT OBSERVATIONS OF Elephas maximus sumatranus IN SEMBILANG NATIONAL PARK, SOUTH SUMATRA Hidayat, Benny; Travolindra, Yoga; Ridwan, Alex; Erwin, Suendi; Yustian, Indra
BIOVALENTIA: Biological Research Journal Vol. 5 No. 1 (2019)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (973.764 KB) | DOI: 10.24233/BIOV.5.1.2019.136

Abstract

Sumatran elephants (Elephas maximus sumatranus) are one of four Asian elephants subspecies, which are categorized as Critically Endangered by the IUCN (International Union of Conservation of Nature) since 2011. Some factors that might drive this species into extinction ranges from wild attacks in the forest, habitat degradation due to land acquisition for plantation and development areas, and human slaughter because they regard these animals as enemies that sometimes enter community settlements. Elephants in Sembilang National Park is an interesting issue because it has not been registered as key species in Sembilang National Park, as well as no authentic evidence and official reports about the existence of elephants in the park. This paper proves the existence of elephants in Sembilang National Park, South Sumatra. The elephant documentation is in the form of photos and videos of 4 different elephant individuals, footage, cruising lanes and elephant puddles. Evidence of the existence of elephants in Sembilang National Park strongly indicates that future actions, participation and attention of all stakeholders are needed to the conservation efforts of the biggest Sumatran mammals in Sembilang National Park

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