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Ecotrophic, Journal of Environmental Science
Published by Universitas Udayana
ISSN : 19075626     EISSN : -     DOI : -
Core Subject : Social,
Environmental Science
Ecotrophic, Journal of Environmental Science (ISSN : 1907-5626) atau yang disingkat EJES, merupakan media publikasi bagi hasil-hasil penelitian, artikel dan resensi buku dibidang ilmu lingkungan. EJES adalah peer-reviewed dan open access jurnal, diterbitkan dua kali setahun yaitu bulan Mei dan September oleh Program Studi Ilmu Lingkungan, Program Pascasarjana Universitas Udayana.
Arjuna Subject : -
Articles 12 Documents
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Search results for , issue "Vol 12 No 2 (2018)" : 12 Documents clear
The Use of Online Waste Management System on Bank Sampah Induk Bantul Sari Wulandari; Putra Fajar Alam
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 2 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1030.363 KB) | DOI: 10.24843/EJES.2018.v12.i02.p08

Abstract

In developing countries, including Indonesia, household waste is a multidimensional problem, namely that in its completion it involves many aspects so that the application of community-based solutions is needed. Waste banks are one solution to reduce household waste. A waste bank is a community-based waste management system that actively engages the community. The surrounding neighborhood can exchange trash into other forms that have economic value. The waste bank that is a model for other waste banks in Indonesia is the Bank Sampah Induk Bantul, which was established in 2008 and has used an online-based waste management system as of 2015. An online-based waste management system is one of the efforts to facilitate the activities of managers and customers of waste bank. However, its use in Bank Sampah Induk Bantul is still limited. Therefore, a preliminary study was conducted to determine the extent to which the online waste management system is used, so that appropriate actions can be taken to increase the use of the online system. This study uses a qualitative approach, namely field observations, semi-structured interviews and informal discussions. The results of this study indicate that the use of online-based waste management systems is not optimal because the online system does not accommodate the activities and problem solving faced by the Waste Bank. Besides, in the online-based waste management system, there are several features needed by the Waste Bank, but their use is limited due to technology acceptance from the Waste Bank management which is still relatively low.
Studi Eutrofikasi Akibat Aktivitas Penggunaan Lahan di Danau Buyan Ida Bagus Ketut Gede Kertia; I Wayan Arthana; I Wayan Sandi Adnyana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 2 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (969.001 KB) | DOI: 10.24843/EJES.2018.v12.i02.p04

Abstract

ABSTRACT EUTROPHIC STUDY TO EVALUATE THE IMPACT OF LAND USE ACTIVITY IN BUYAN LAKE Increased in land use activity in Buyan Lake catchment area can be a threat to multifunction of the lake. Identification the impact due to land use activity is to important of lake management. This study aims to know the land use and its activities, predicted the yield of sediment and nutrient losses, and knew of trophic state for the lake. The Lake Buyan catchment area is 1,943.8 ha. This research use survey method and in situ and ex situ measurement from March to May 2017. Type of data collected were land use and its activities, C-organic and soil nutrient, and variables of trophic state for the lake. This study showed that dryland vegetables crops with bench terrace by low standard contruction, shrub with grass, and coffee plantation with traditional terrace with area each of 71.9 ha (3.7%), 43.0 ha (2.2%), and 25.4 ha (1.3%) respectively has an erosion of higher than tolerable soil loss. The sediment yield and C-organic, nitrogen, phosphate and potassium losses with the amount each of 9,399.4, 266.6, 14.5, 15.8, and 58.7 ton year-1 respectively, and with soil and water conservation practices is very effective to reduced the sediment yield and C-organic, nitrogen, phosphate and potassium losses with the amount each of 3,160.1, 89.6, 4.9, 5.3, and 19.7 ton year-1. Average of nitrogen, phosphate, chlorophyll a, and tranparency with the value each of 3,500, 118.4, 48.2 µg L-1 and 1.8 m showed that trophic state for Buyan Lake is euthrophic until hypereuthrophic, and a moderate euthrophic indicated from the average TSI with the value of 64.3. Key words : Buyan Lake, land use, erosion, sediment yield, eutrophic

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