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INDONESIA
Journal of Enviromental Engineering and Sustainable Technology
Published by Universitas Brawijaya
ISSN : 23563117     EISSN : 23563109     DOI : -
Core Subject : Social,
Environmental Science
JEEST is an interdisciplinary and refereed journal, addresses matters related to environmental engineering and sustainable technology. Its range of themes encompasses ecological studies, field research, empirical work and descriptive analyses on topics such as environmental systems, environmental policies and politics, environmental legislation, environmental impact assessment, air, water and land pollution, water and energy related issues, engineering innovations, development, technical solutions and sustainability technology. Other matters related to or which influence the international debate on sustainability will be also considered.
Arjuna Subject : -
Articles 4 Documents
 1 
Search results for , issue "Vol 5, No 2 (2018)" : 4 Documents clear
SPECIES DIVERSITY OF BIRDS IN CLUNGUP MANGROVE CONSERVATION SENDANG BIRU, KABUPATEN MALANG, EAST JAVA AS BIOINDICATOR Aditya Rachmaputra; Bagyo Yanuwiadi; Amin Setyo Leksono
Journal of Environmental Engineering and Sustainable Technology Vol 5, No 2 (2018)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (133.538 KB) | DOI: 10.21776/ub.jeest.2018.005.02.1

Abstract

Clungup Mangrove Conservation (CMC) is a location managed by Bhakti Alam Sendang Biru Organization. Mangrove management activities were carried out continuously starting from mangroves clearing in 1998 until it is all used up and started replanting when people found it difficult to catch fish. Mangroves are plants which lived at maximum subsiding tide point to maximum rising tide point area, with mud as its substrate. For other organisms, mangroves used as shelter and foraging place. One of those organisms is birds, birds can be used as bioindicators of environmental quality because it has a sensitivity to environmental changes. This study divided into 4 stations based on mangrove vegetation, the results observed were for Shannon Index at 1.99-2.3 and Margalef Index at 3.5-3.8 for morning observations. While for afternoon observation resulted as Shannon Index at 1.2-2.2 and Margalef Index at 1.8-3.9. The main focus is some water birds such as Ardeola speciousa, Todiramphus chloris, Aldeco coerulescens, Butorides Striata, Todiramphus sanctus and Charadrius javanicus which shows that mangrove ecosystems provide a function of nursery ground for fish and feeding ground for birds.
MAP OF EDIBLE ARACEAE BASED ON ABIOTIC FACTORS IN GOWA REGENCY, SOUTH SULAWESI Hafsah Hafsah; Rodiyati Azrianingsih; Mashuri Masri
Journal of Environmental Engineering and Sustainable Technology Vol 5, No 2 (2018)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (795.255 KB) | DOI: 10.21776/ub.jeest.2018.005.02.2

Abstract

This study aims to create a distribution map and find out the relationship between the distribution of edible Araceae and abiotic factors in Gowa Regency, South Sulawesi. Edible Araceae explorations were carried out in 18 sub-districts in November 2016 to September 2018. Edible Araceae which was found to be marked with GPS location, documented with a camera, and measured abiotic factors including altitude, air temperature, soil temperature, light intensity, soil pH, humidity soil, air humidity and soil organic matter. The types of Araceae found included 9 species from 4 genera, namely Xanthosoma sagittifolium (L.) Schott., Xanthosoma nigrum, Colocasia esculenta (L.) Schott., Colocasia esculenta, Alocasia calidora, Alocasia macrorrhiza (L.) Schott. Amorphophallus muelleri Blume, Amorphophallus paeoniifolius, Amorphophallus variabilis Blume. Distribution of edible Araceae in Gowa Regency, South Sulawesi includes coastal areas (<100 m asl), lowlands (100-400 m asl) and highlands (<400 m asl). The distribution of Araceae which is affected by light intensity is Xanthosoma and Alocasia, while the distribution of Colocasia is influenced by altitude, soil organic matter, and soil moisture and Amorphophallus is influenced by soil pH. Araceae conservation strategy compiled based on species data, habitat preference, utilization and distribution of Araceae is expected to be used for the establishment of community business activities for the management of Araceae in each village that has an Araceae distribution.
OPTIMIZATION OF SILICA EXTRACTION OF RICE HUSK (Oryza sativa L.) TO INCREASE ABSORPTION PLANT NUTRIENTS Dina Wahyu Indriani; Nunun Barunawati; S H Sumarlan
Journal of Environmental Engineering and Sustainable Technology Vol 5, No 2 (2018)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (713.038 KB) | DOI: 10.21776/ub.jeest.2018.005.02.4

Abstract

Extraction of silica has now been developed as one of the additional nutrients in the soil. This silica extraction technology is developed from materials that are no longer used as an example of rice husks. As a result of the extraction of rice husk silica is used to nourish the rice plants themselves. The addition of plant nutrients can be optimized by using an encapsulation system. The process of nutritional encapsulation is expected to optimize the absorption of nutrients in the soil in slow reaction. This inhibitory process can also be supported by the use of nutrient remobilization. So the purpose of this research is to obtain the optimum result of silica extract from rice husk and to know the characteristics of capsulation result of silica extract produced. As for this research using the addition of KOH so that this research method using Randomized Block Design (RBD) with KOH 2.5%, 5%, and 7.5%. The analyst has performed mass equilibrium analysis, water content of the material, and SEM analysis for physical analysis. In this study showed that with the addition of 5% KOH treatment to be the best treatment in this study that produced as many as 4.5 grams. Furthermore, the sample was treated with liquid nitrogen as an encapsulation medium. The result of the research showed that the silica value contained in the extract yield on KOH 5% by 19.4% while in addition KOH 7.5% silica content of 21.8%. This shows the highest value of yield that is in the addition of KOH of 5% but the silk content of the most that is in the addition of KOH of 7.5%.
BIOFILM MATRICES AS BIOMONITORING AGENT AND BIOSORBENT FOR CR(VI) POLLUTION IN AQUATIC ECOSYSTEMS Andi Kurniawan
Journal of Environmental Engineering and Sustainable Technology Vol 5, No 2 (2018)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jeest.2018.005.02.3

Abstract

Heavy metal pollution in aquatic ecosystems has become one of the primary environmental problems. Cr(VI) is one of the most toxic and carcinogenic heavy metal pollutants. The degradation of aquatic ecosystems due to the Cr(VI) pollution usually occurs slowly, but the impact is accumulative. Hence, an awareness of the pollution often occurs when the impacts have already in the acute or chronic level. Therefore, the technologies to monitor and to solve the Cr(VI) pollution are critically important. The application of biological resources emerges as an alternative technology to solve the problems. This study analyzes the utilization of biofilm as a biomonitoring agent and a biosorbent to monitor and to immobilize Cr(VI) in the aquatic ecosystems, respectively. The development of the biofilm as a biomonitoring agent is conducted through the investigation of Cr(VI) concentration in the biofilm and the surrounding river water, while the utilization of the biofilm as a biosorbent is developed through the analysis of Cr(VI) adsorption characteristics to the biofilm. The results of this study reveal that the concentrations of Cr(VI) inside the biofilms are hundreds of times higher than the surrounding river water. The biofilms seem to accumulate the Cr(VI) from the surrounding river water through a physicochemical process. According to the result of this study, biofilms can become a promising biological agent to monitor and to immobilize Cr(VI) in the aquatic ecosystems.Keywords: Biofilm, Biomonitoring, Biosorption, Cr(VI), Water Pollution

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