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All Journal Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan JMM UNRAM (Jurnal Magister Manajemen Universitas Mataram)
Siti Ramlah
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Physical, Chemical Parameters and Saphrobic Coefficients (X) as Determinants of Water Quality in the Senapelan River, Pekanbaru Siti Ramlah; Nur El Fajri; Adriman '
Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Perikanan dan Ilmu Kelautan

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Abstract

Senapelan River is one of the polluted river in Pekanbaru. The pollutants in this river are originated from domestic activities, tofu industries and palm oil plantation. To understand the water quality in general, a research was conducted from January to February 2015. This research aims to determine the water quality of the river based on physical, chemical and saphrobic coefficient parameters. There were three stations, 3 sampling points/ station. Water samples were taken 3 times/ week. Water quality parameters measured were temperature, turbidity, brightness, current speed, total suspended solid, depths, pH, DO, BOD5, nitrate, phosphate and types of plankton present. Results shown that there were 7 classes of plankton present, namely Cyanophyceae (4 species), Chlorophyceae (9 species), Bacillarophyceae (1 species), Xantophyceae (1 species), Euglenophyceae (8 species), Rotifers (1 species) and Ciliate (3 species). Water quality parameters are as follows : Temperature 27-280C, turbidity 20.67-50 NTU, brightness 8-11.67 cm, current speed 3.19-7.36 cm/s, TSS 5.67-15 mg/L, depths 17-138 cm, pH 6-7, dissolved oxygen 2.3-5.23 mg/L, BOD5 4.8-12.37 mg/L, nitrate 0.11-0.89 mg/L and phosphate 1.47-2 mg/L. The value of WQI-NSF index of the Senapelan River was 24-31, indicates that this river is badly polluted. The Saphrobic Coefficient shown that the saphrobic phase of the river is is α/β- mesosaphrobic to α- mesosaphrobic, indicates that the pollution level of the river is medium to heavy polluted.Keywords : Senapelan River, Water Quality, Saphrobic Coefficient
(CSR) TERHADAP KINERJA KEUANGAN PADA PERUSAHAAN SEKTOR PERTAMBANGAN YANG LISTING DI BURSA EFEK INDONESIA PERIODE 2012 - 2014 Siti Ramlah
JMM UNRAM - MASTER OF MANAGEMENT JOURNAL Vol. 5 No. 3 (2016): JMM SEPTEMBER 2016
Publisher : Master of Management, Mataram University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (319.406 KB) | DOI: 10.29303/jmm.v5i3.91

Abstract

 This study aimed to analyze the influence of Corporate Social Responsibility disclosure of financial performance in the mining company listed on the Indonesia Stock Exchange. The mining company listed on the Indonesia Stock Exchange in 2012 as many as 34 companies. However, by using purposive sampling method then selected 10 companies that serve as the research sample. Financial performance as the dependent variable that is measured by Debt to Equity Ratio (DER) Return on Assets (ROA), and Earning per Share (EPS). With this type of associative research, seen the effect of CSR on DER, ROA  and EPS. Disclosure of Corporate Social Responsibility (CSR) is an independent variable, measured by the index of CSR in all aspects of CSR. Testing is done with descriptive statistics, classical assumption test and simple linear regression. The results of this study illustrate that the disclosure of Corporate Social Responsibility does not show positive and significant impact on Debt to Equity Ratio (DER), Return On Assets (ROA), and the but positive and significant effect on the Earning per Share (EPS), the mining company listed on the Stock Securities Indonesia Year 2012-2014.Keywords: DER, EPS,CSR disclosures, ROA.
Co-Authors Adriman, Adriman Nuraini El Fajri