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Arief Rachmansyah
Civil Engineering, University of Brawijaya, Malang, Indonesia
Agriculture, Biological Sciences & Forestry Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Decision Sciences, Operations Research & Management

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Analysis of Effect Agricultural and Domestic Activities on Water Quality and Macrozoobenthos in River of Batu City, A Case Study in Sisir and Pandanrejo Village Cahyani Cahyani; Bagyo Yanuwiadi; Arief Rachmansyah
Indonesian Journal of Environment and Sustainable Development Vol. 11 No. 1 (2020)
Publisher : Postgraduate School Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Batu city is located in East Java, the city has an important role in maintaining the quality of the river water. The city has developed into intensive agricultural and residential areas – services, which may reduce the water quality. This research was conducted in two areas with different dominating activities, in Sisir village (residential area) and in Pandanrejo village (agricultural area). The aims of this study are to analysis differences in water quality between the one in agricultural area and the one in residential area, and to analysis the water quality based on the diversity of macrozoobenthos. The water and macrozoobenthos samples were taken in upstream, midstream and downstream of the river. Water sample and macrozoobenthos sample were taken in different times. Calculate diversity of macrozoobenthos use Shannon-Wiener’s formula. The results showed that agricultural and domestic activities affect the concentration of chemical compounds in river. It concluded that chemical quality of the water in the agricultural activities and in the domestic activities showed the highest concentration of nitrate, and based on diversity of macrozoobenthos the quality of water in Sisir and Pandanrejo village are classified having moderate ecological pressure to high ecological pressure.   
Heavy Metals Pollution in the Bed Load Sediments of the Brantas River in Batu City Abdalnasser A M Khalifa; Arief Rachmansyah; Amin Setyo Leksono
Indonesian Journal of Environment and Sustainable Development Vol. 13 No. 1 (2022): Jurnal Pembangunan dan Alam Lestari
Publisher : Postgraduate School Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpal.2022.013.01.05

Abstract

Aim to Evaluation the contamination levels of heavy metals As, Cr, Zn, and Pb upstream of Brantas River using IP (Inductively Coupled Plasma) to measure heavy metal and identify the use of synthetic pesticides and fertilizer and Recommend strategies to reduce contamination of heavy metal, where were collected16 samples sediment from two different branches river, each location has different grains size 0.063 µm and 0.200 µm. The increasing trend of metals was observed in sediments of the Grain size 0.200 µm As‚ Pb‚ Zn‚ Cr respectively and in the Grain size 0.063 µm As‚ Cr‚ Zn‚ Pb in the river one and for the river two in the Grain size 0.200 µm. The increasing trend of metals was observed in sediments Pb‚ As‚ Cr, Zn and the Grain size 0.063 As‚ Zn‚ Pb‚ Cr, which means the concentration levels in sediment all the metals in the Grain size 0.200 µm in river one and river two higher than safe values and in grain size 0.063 µm lower than safe values. This is what was shown in the Assessment of the degree of pollution in sediments using (EF), (PLI), (Igeo) and (CF). Keywords: heavy metal, Sediment, Evaluate Contamination
Compliance Analysis of Environmental Management and Monitoring of Hydropower Plant in East Java Kusuma Praend Adidarma; Arief Rachmansyah; Aminudin Afandhi
Indonesian Journal of Environment and Sustainable Development Vol. 13 No. 1 (2022): Jurnal Pembangunan dan Alam Lestari
Publisher : Postgraduate School Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpal.2022.013.01.04

Abstract

Environmental documents (AMDAL and UKL-UPL) function as instruments in efforts to prevent environmental damage, but industry owners still need to carry out environmental management and monitoring properly, especially for hydropower activities in East Java Province. Moreover, supervision conducted by the government could have been more optimal. This is indicated by leadership that began in 2017 to 2019. In addition, there are discrepancies between environmental documents that are owned reality. This study analyzes industry owner’s compliance levels in implementing environmental documents. The study used an observative method with a prescriptive analysis approach based on qualitative data. The results showed that most industry owners still needed to obey, so alternative policies were required. The recommended alternative is to adjust the environmental documents with direction and coordination from the relevant government agencies based on the constraints faced to increase compliance with the implementation of environmental monitoring.
Assessment of Water Quality Index and Pollution Load Capacity in the Sukowidi River and Bendo River, Banyuwangi Region Arief Rachmansyah; Akhmad Adi Sulianto; Novia Lusiana; Luhur Akbar Devianto
Indonesian Journal of Environment and Sustainable Development Vol. 12 No. 1 (2021)
Publisher : Postgraduate School Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpal.2021.012.01.01

Abstract

The river is a part of the surface water resource which is very potential for living. The quality of river water is greatly influenced by land use and human activities in the catchment area. Increasing the number population in Banyuwangi Region and its activity has the potential to reduce the water quality of the river, especially in the Sukowidi and Bendo catchment area, therefore it is necessary to assess the water quality. This research was conducted to identify the source of pollutants and determine the pollution index, status of water pollution, as well as to determine pollution load capacity. The data analysis was carried out quantitatively and graphically, and spatially with the QUAL2Kw and the Inverse Distance Weighted (IDW) by using  ArcGIS 10.4.1. Land use on the two rivers is slightly different, that is rural, suburban, and urban areas. The pollution sources in the study area were point source and non-point source. The results showed that the pollution status of the Sukowidi River was "Light Polluted" and the high pollutant load carrying capacity had total suspended solids and nitrates. Meanwhile, in the Bendo River, the pollution status is not polluted yet and the pollutant load carrying capacity is on the quality standards. These findings provide valuable information and guidance for the Banyuwangi Regency government to decide on land use policy.
Co-Authors Abdalnasser A M Khalifa Akhmad Adi Sulianto Amin Setyo Leksono Aminudin Afandhi Bagyo Yanuwiadi Cahyani Cahyani Kusuma Praend Adidarma Luhur Akbar Devianto Novia Lusiana