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All Journal BIOVALENTIA: Biological Research Journal JAMBIS : Jurnal Administrasi Bisnis
Pujiati, Puput
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Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Environmental Science Immunology & microbiology Medicine & Pharmacology Social Sciences

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DIVERSITY AND COMPOSITION OF SOIL ARTHROPODE IN THE REVEGETATION AREA OF COAL MINING USED LAND OF PT. BARA ALAM UTAMA, SITE LAHAT, SOUTH SUMATERA Pujiati, Puput; Lamin, Syafrina; Windusari, Yuanita
BIOVALENTIA: Biological Research Journal Vol. 6 No. 2 (2020)
Publisher : Biology Department, Faculty of Mathematics and Natural Sciences, Sriwijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1073.559 KB) | DOI: 10.24233/biov.6.2.2020.194

Abstract

Coal mining can disrupt the balance of the ecosystem, including the soil environment ecosystem as a habitat for soil arthropods. This study aims to see the soil arthropod family, relative density, diversity, dominance and evenness of soil arthropods in the revegetation area of the ex-mining area of PT. Bara Alam Utama. The re-search was conducted in the revegetation area of the former coal mine area of PT. Bara Alam Utama in Lahat district, South Sumatra. The research area consists of 8 location points, namely natural areas, revegetation areas of age 7,6,5,4,3,2 and 1 year. The study was conducted using an exploratory survey method, sampling was car-ried out based on the purposive sampling method by drawing a 100 m long transect with 5 sample plots inside measuring 20 x 10 m at each revegetation age. The results showed that the highest soil arthropod diversity index was found at the 3 year old revegetation location (H = 0.915) and the highest soil arthropod evenness index was at the 3 year old revegetation location (e = 0.17), while the highest soil arthropod dominance index was at 5 year old revegetation location (D = 0.886) which causes the 5 year revegetation location to have the lowest soil ar-thropod diversity index and evenness index (H = 0.351 and e = 0.054), while the lowest soil arthropod domi-nance index value is at the 3 year old revegetation location (D = 0.667), so it can be seen that there is a correla-tion between the diversity index and the evenness index of soil arthropods where both are inversely proportional to the results of the calculation of the dominance index. The high and low diversity index at each research loca-tion is influenced by abiotic factors (pH, soil temperature and soil moisture), age of revegetation and type of vegetation
PENGARUH BIAYA PROMOSI DAN BIAYA DISTRIBUSI TERHADAP VOLUME PENJUALAN PADA PT UNILEVER INDONESIA, TBK Pujiati, Puput; Susmonowati, Trinik
JAMBIS : Jurnal Administrasi Bisnis Vol. 4 No. 2: April 2024
Publisher : JAMBIS : Jurnal Administrasi Bisnis

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31334/jambis.v4i2.3986

Abstract

This research aims to determine the impact of promotion costs and distribution costs on sales volume at PT Unilever Indonesia. Tbk. The research method used is the quantitative descriptive method. The data collection technique used is secondary data, including analysis of the financial statements of PT Unilever Indonesia. The sampling technique used in this study is a purposive sampling; covering data on promotional costs and distribution costs incurred by PT Unilever Indonesia, Tbk, and sales volume over a span of 10 years (.2013 to 2022). The data analysis used is multiple linear regression analysis using IBM Statistics software version 26. The results of this study indicate that Promotion Costs have an impact on Sales Volume by 72.6%. Distribution Costs have an impact on Sales Volume by 91.7%. Promotion Costs and Distribution Costs have a significant impact on Sales Volume. Promotion Costs and Distribution Costs affect the Sales Volume variable simultaneously with a score of 0, 948 or 94.8%, where 5.2% is affected by other variables that are not included in this research.
Co-Authors Susmonowati, Trinik Syafrina Lamin, Syafrina Yuanita Windusari