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Ecotrophic, Journal of Environmental Science

ECOTROPHIC
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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 359 Documents

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STUDI PERESAPAN AIR HUJAN DI KOTA DENPASAR I Ketut Suharta; Nyoman Merit; Nyoman Sunarta
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 3 No 2
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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The first aim of this research is to know the capacity of infiltration and the capacity of percolation in the area ofDenpasar city. The second things is to know how much the water of rainfall potential to be infiltrated in Denpasar city.Capacity of infiltration and capacity of percolation tested by using the double ring infiltrometer with innercylinder diameter is 30 cm and outer cylinder is 50 cm. Volume of potential infiltrated rain water calculated bymultiplied the rainfall by catchment area and coefficient of infiltration.The findings show that the capacity of infiltration is about 0.05 mm/hour to 0.211 mm/hour, and the capacity ofpercolation is about 0.125 mm/hour to 0.471 mm/hour. Potential volume of infiltration of rain water is 25,405,028.77m3/year, it mean that about 10 % of total rainfall volume, 252,560,182.68 m3/year, so about 227,155,153.91 m3/year willbe a potential to increasing the surface run off.Based on the findings the following suggestions can be made: (1) further research should be done with the dept ofpercolation test should be about 2 m, and 20 cm above the water table; (2) it is necessary to infiltrate rainwater alltogether by the community of the city of Denpasar, by using a hole of 2 m3 each 100 m2 area.

MANGROVE FOREST STRUCTURE AND DIVERSITY IN NUSA LEMBONGAN, NUSA PENIDA SUB DISTRICT, KLUNGKUNG DISTRICT ida bagus adi palguna; IPG Ardhana; I Wayan Arthana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 11 No 2 (2017)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Mangrove forest are plant communities which cover tidal areas in the tropics. Nusa Lembongan mangrove forest is a natural forest with an area of 202 hectares. The rapid development of the world tourism utilizing mangrove forest has caused a lot of pressures to the mangrove forest of area studied. This study aimed to determine the structure and diversity of mangrove species in Nusa Lembongan mangrove forest which was associated with environmental conditions both soil and climate factors. Transect method with square frame along the line was applied in vegetation analysis. Data showed that the vegetation in the mangrove forest consisted of four growth stages, namely tree, pole, sapling and seedling. There were 12 species of trees, 6 species of poles, 4 species of saplings and 5 species of seedlings. Rhizophora apiculata Blume of family Rhizoporaceae was the dominant species among the four growth stages with important value of 115.48%, 132.276%, 185.084%, 185.084%, and 165.882% respectively. There were 13 mangrove species found with diversity index of 2.461 and the forest was fairly stable. This is because the forest sufficiently supported by environmental factors, including dry climate-type F (Schmidth dan Ferguson), high water salinity, soil textures of clay and sandy loam, generally ranging from moderate to high organic matters and calm coastal area.

STRUKTUR KOMUNITAS MAKROZOOBENTOS PADA TIGA MUARA SUNGAI SEBAGAI BIOINDIKATOR KUALITAS PERAIRAN DI PESISIR PANTAI AMPENAN DAN PANTAI TANJUNG KARANG KOTA MATARAM LOMBOK HUSNAYATI HARTINI; I Wayan Arthana; Joko Wiryatno
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 7 No 2 (2012)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Increasing the human activity may lead to decrease utilization of river waters quality. The purpose of this study were to find out structure of macrozoobenthos community as bioindicator of waters quality in three estuaries of Ampenan district; find out the chemical and physical conditions of waters; determine the relationship of physical chemical of waters and macrozoobenthos diversity indices. The study was conducted by dividing of each estuary into 10 stations. Community structure and physical chemical waters parameters was analyzed descriptively. The relationship of physical and chemical waters quality parameters with macrozoobenthos diversity indices was analyzed by regression. The results showed that 8 species found in the estuary of Berenyok, 11 species in the estuary of Ancar and 12 species in the estuary of Jangkok. Conditions of community structure in three estuaries balanced enough up to unstable. Physical and chemistry waters quality in three estuaries are still below the quality standard except for Hg. In Berenyok and J angkok estuaries Hg values obtained in excess of standard quality. Pollution levels in the three estuaries ranging from moderate to heavily polluted. There is a linear correlation between macrozoobenthos diversity indices and DO parameter in each estuary.

STUDI SISTEM PENGELOLAAN SAMPAH BERBASIS KOMUNITAS ADAT DI DESA ADAT SEMINYAK KECAMATAN KUTA KABUPATEN BADUNG I. A. Trisna Eka Putri; N.K. Mardani; I. B.G. Pujaastawa
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 5 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Study of community based waste management system at Desa Adat Seminyak- Kuta, Badung Regency, has done on June until October 2009. The aims of this study to know about : (1) characteristic and volume of waste at Desa Adat Seminyak; (2) community based waste management system at Desa Adat Seminyak; (3) role of the household and tourism in supporting industry on waste management system at Desa Adat Seminyak; (4) strategic for the suitable pattern of the waste management which can be applied at Desa Adat Seminyak. This study was conducted with direct observation at the TPST in Desa Adat Seminyak and also in the surrounding area of the Desa Adat Seminyak. The distribution of questionaire and conducting direct interview with some institutions that related on the service of waste management and library studies. Analyze data used is description analyze which supporting with Internal (IFAS) and External (EFAS) analyze to obtain grand strategy, SWOT analyze to alternative strategy of the waste management system at Desa Adat Seminyak. Result of this study showed that : (1) organic waste has highest percentage of waste Desa Adat Seminyak than another such as plastic, paper, textile, glass and box, with volume level 32,29 m3/day; (2) waste management system of adat community at Desa Adat Seminyak is conducting with the bottom up system to find a better solution on waste management, the role of participation of the adat community is conducting some processes : planning process, cooperate process, command and evalution process, and also advantage process; (3) role of the household on waste management system, more than 70% household participation at waste disposal, waste banisment, waste reuse, transfer system and payment of waste distribution. For 97,78% of the household less participation on waste regulations. Role of tourism supporting industry on the waste management was less optimal that 86,67% of tourism supporting industry not yet had waste handling which waste handling was done by desa adat; (4) grand strategy will be implemantation in waste management system at Desa Adat Seminyak is growth oriented strategy, and SWOT analized to find strategy alternative etc : (1) prosperity strategic of the waste management; (2) strategic to improving institutions and human resources; (3) strategic to prosperity on waste handling; (4) strategic to improving quality of waste management.

The STUDY OF SOLID WASTE AND ANALYSIS OF LOCAL PARTICIPATION IN LARANTUKA CITY OF EAST FLORES REGENCY Ajeng Anandra; I Wayan Suarna; Made Sudarma
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 12 No 2 (2018)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Larantuka is the capital of East Flores Regency, which located in the most eastern part of Flores island and wellknown for its natural beauty. Despite the tourism potentiontial, the development of infrastructure is not sufficient, especially in solid waste management. Larantuka city itself doesn’t have a proper sanitary landfill facility, no recycle center and dizorganized management. This situation can be harmful for environment and the natural beauty of East Flores. The purpose of this study is to understand the waste management situation at the moment in East Flores District, how much waste that is produce everyday by all the activities and also the willingness of the people of Larantuka to participate in waste management. The result of this study shown that 60 % of the resident in Larantuka is dissatisfied of their neighbourhood environment because of the lack of waste mangement. The result of the survey Larantuka produce is 98 m3 per day, that consist of 60 m3 of organic matters, 17 m3 of plastic, and 15,3m3 of paper and others. Reduce, Reuse and Recycle are one of solution from this problems, but it needs cooperation between the residence, government and even private companies. Based on the questionaire 57 % of the residence in East Flores still does not understand what 3R or Reduce, Reuse and Recycle as a solution to overcome the problem. Keywords : Community participation; Solid waste; Larantuka; 3R

ANALISIS PERPUTARAN RADIASI SURYA TERHADAP KINERJA SEL FOTOLISTRIK SEBAGAI ENERGI RAMAH LINGKUNGAN DI NUSA PENIDA KABUPATEN KLUNGKUNG PROVINSI BALI I N. Suastaka; I Gede Mahardika; M.S. Mahendra
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 9 No 1 (2015)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Photoelectric cells is an equipment made of semiconductor material of Silicone (Si14) functioned to catchand converse sun light to become electric energy directly. Through photoelectric phenomenon, that sun lightas particles with frequency/wavelength of certain light can release electrons in a material. This electrons’movement can produce electric current. The aim of this research was to find out the performance of aphotoelectric cells collector in conversing sun light to become electric energy due to the rotation of solarradiation in Nusa Penida.The research was conducted at PLTS electric home solar system Nusa Penida for 5 days the measurementto the parameter of Current (Isc) and Voltage (Vsc). Each measurement had duration of lighting for 8 hourseach from 09.00 until 16.00 Central Indonesian Time, with time interval of 30 minutes. Measurement anddata analysis produced in the research on Saturday, June 29th 2013 obtained: the amount of solar radiationarrived at earth’s outer atmosphere was 1321.90 W/m2, and passed along to earth’s surface at 621.29 W/m2,and received by photoelectric cells collector as heat power at 113.63 Watt, and efficiency produced was 25.3%,and electric power produced was 28.74 Watt, and can be equalized with fossil energy of 0.0237 liter ofgasoline, or equivalent to 106.65 rupiah. It meant that, photoelectric cells collector with area of 50 x 110cm2in a day can protect earth from global warming of 28.74 Watt, in using of fossil energy at 0.0237 liter ofgasoline.The efficient performance of photoelectric cells was still considered small. In order to achieve big capacityof electric power required a lot of collector modules and large area, so that with the growing of semiconductortechnology, it is expected that whenever possible it can reduce electron binding energy on material, andoptimize solar lighting system to photoelectric cells collector modules, so that the efficient performance ofphotoelectric cells can be expected to be above 90%.

KAJIAN STRATEGIS PENGEMBANGAN POTENSI EKOWISATA DI LEMBAH BALIEM SEBAGAI SUATU ALTERNATIF PENGELOLAAN PARIWISATA BERKELANJUTAN BONI ASSO; IB ADNYANA MANUABA; I NYOMAN SUNARTA
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 4 No 1
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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An alternative that could contribute positively to the conservation of the environment is the development ofecotourism based on consistency in adopting its principles. As an initial step in the development of attractive ecotourismobject, ideally an inventory should be made first in order to avoid mistakes that could happen. Lembah Baliem area is sorich in potential ecotourism resources which, however, have not yet been managed on the basis of the concept ofecotourism approach. Based on such background this research accommodates the potential available in Lembah Baliemarea in order to learn the possibility of developing sustainable ecotourism there. The objective of this research is to knowthe potential for developing ecotourism, to learn the obstacles to be faced, and to set the strategy for the development ofecotourism resources to be adopted for Lembah Baliem.This research is conducted in Lembah Baliem area, which administratively belongs to the regency of Jayawijaya,Papua Province. The data used in this research include both qualitative and quantitative data in accordance with the needof the research. The data also include both the primary and secondary data. The sampling in this research is based on nontestdata collecting instrument, in which the data is obtained through interview, questionnaire, observation, and documentation. Finally, the data already collected is categorized, discussed and analyzed using the SWOT matrix underSHIP approach.The research identification result shows that Lembah Baliem area has fairly varied and natural ecotourism resources,such as: 8 caves, 8 location of festival shows, 3 historical monuments, 3 biggest likes, 4 mummies, 4 beautyfull panaromesite, The obstacles of Baliem Ecotourism development are distance, stakeholder participation, knowledge of ecotourismconcept still limited and the index of tourist visiting still low. Tourism development in Lembah Baliem still concerned tomass tourism management strategy. According the result could be concluded that the ecotourism potential to bedeveloped, bud the development blocked by accessibility and human resources, so it should be solve out by 11 strategicsolution. The handling of those obstacle need stakeholder involving base of sustainable ecotourism development, thengive priority for straight access to West Papua.

EFEKTIVITAS PENERAPAN AMDAL DALAM PENGELOLAAN LINGKUNGAN HIDUP PADA PEMBANGKIT LISTRIK DI BALI – STUDI KASUS PLTD/G PESANGGARAN Helga Margareta Hunter; Made Sudiana Mahendra; I.G.B. Sila Dharma
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 11 No 1 (2017)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

EFFECTIVENESS OF AMDAL APPLICATIONS IN ENVIRONMENTAL MANAGEMENT ON ELECTRICAL GENERATOR IN BALI - CASE STUDY PLTD / G PESANGGARANThe development and sustainability of power plant’s activity has a positive impact, such as the increased electricity energy which will indirectly boost the economy, but it also has negative impact, such as the rising pressure towards environment. One way to prevent it from damaging environment is to require stakeholders and industry actors to have the environment permit including EIA (Environment Impact Assessment). The objective of this study was to find out the effectiveness of EIA application on power plant on PLTD/G Pesanggaran. This study was conducted with a descriptive qualitative approach which used data from observations, interviews, questionnaires, and literatures. Location of this study was at PLT/D Pesanggaran. The data that were gathered is used to be the base for value determination from valuation categories, so that the value of effectiveness of EIA application in PLTD/G Pesanggaran is subsequently gained. The EIA implementation of PLTD/G Pesanggaran as a whole was sufficient and in accordance with the environmental document. Supervision of RKL-RPL implementation which was done by BLH had been carried out systematically and effectively. The effectiveness value of EIA implementation in PLTD/G Pesanggaran was 94%, which means that the EIA implementation was effective.

STUDI KUALITAS AIR SUNGAI TELAGA WAJA KABUPATEN KARANGASEM K.G. Darma Susila; I.W. Sandi Adnyana; I.W. Budiarsa Suyasa
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 7 No 1 (2012)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Telaga Waja River in Karangasem Regency has got water discharge from 2.500 to 3.500 litre per second. The use of fertilizer, farm and household cesspool disposal, and changes of land function can reduce the quality of the water. This research is done in order to know the quality of water and index of its pollution. This research is done in Telaga Waja river for along 10 kilometres from Besakih Village to Muncan Village from August until November 2011. The research of physic parachmeter, chemistry and microbiology by taking sample for insitu and eksitu examination are compared with the standard quality of Balinese Goverment Regulation No.8/2007. While the observation and interview are done in order to know beha,1our of the people in polluting the water. Result of the research shows that the concentration of Fecal coli and Total coliforms reach 240.000.000 MPN/100 ml It is more than standard quality of all classes.The analysis of COD is more than first class water quality, BOD and Fosfat are more than third class water quality and DO concentration is less than minimum first class water concentration. The evaluation of Pollution Index (Pl) for first class water in all location is high polluted. Evaluations PI of third and fou1th class standard water quality in Menanga Village and Muncan Village are medium polluted and from Rendang Village until Muncan Village is high polluted in the delta of the river. Water condition indicate function ofTelaga Waja watershed for agriculture, living place, tourism ( rafting, restaurant, and villa), and mining pollute the water. Base on the evaluation of pollution index, all locations are medium and high polluted. That is why the goverment, entrepreneurs, and the society should save River Telaga Waja by keeping it clean. Observation of the water quality is also should be done regularly.

PERAN SERTA MASYARAKAT DALAM PEMBANGUNAN I Putu Gede Ardhana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 1 No 2
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Community’s participation in development has been made since the enactment of 1945Constitution and constitutionally it has clear reference and it becomes the obligation ofanybody involved in the management of natural resources in Indonesia. However theparticipation of the community in the development in the reform era has shown the tendencyof running imperfectly. What is the condition of the community’s participation from thebeginning up to now does not yet have clear position in the form of authority and obligationand the right as community in making their participation in running the government is put intoa study. The method employed for the study is library research by using secondary datacoming from literatures, mass media, the specifications of legislations; comperative study wasalso made from various opinions and the understanding of community’s participation. Anumber of variables to be studied among others are: the specification of legislation, role ofgovernment, form of interaction of the implementation of community’s participation, andefforts made by the government within the context of community’s participation so thatdevelopment can be increased. From the study of the implementation of the legislationsinvolving community’s participation since old order until the regional autonomy era it has notyet run effectively and efficiently.

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