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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 6 No 1 (2011)" : 12 Documents clear
MONTHLY VARIABILITY OF TOTAL SUSPENDED MATTER (TSM) MAPPING USING MODIS 250M TO SUPPORT MARINE CULTURE AT MOROTAI ISLAND, NORTH MALUKU KOMANG IWAN SUNIADA
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

This study was conducted to provide an information of Total Suspended Matter concentration and its monthly variability using dialy data of Terra/ Aqua MOD IS level 1 b with spatial resolution 250m imagery at Morotai Island, Northern Maluku. TSM is one of the water quality key parameter to support finding suitable area which is an important step for marine culture activity. Dialy Aqua/Terra MODIS level lb, 250m dataset was downloaded freely from Goddard Space Flight Center, LAADS Web (http ://ladsweb.nascom.nasa.gov/) and its contains information of calibrated radiance dan reflectance. TSM concentration derived using algorithm proposed by Trisakti et al, TSM (mg/I) = 72743 (bl+b2)2 ·3551, where bl is remote sensing reflectance band 1 and b2 is remote sensing reflectance band 2. Further process is daily TSM data composited to produce monthly data to define the variability. GIS application technique based on apropriate environment condition for fish comodity are used to mapping suitable area concerning of TSM parameter. Suspended sediment concentrations derived from satellite data showed that the average range of 40-90 mg/I, with the highest suspended sediment concentration occurred in January and lowest in June
PERSEPSI MASYARAKAT TERHADAP PENGELOLAAN SAMPAH DI KOTA SINGARAJA, KABUPATEN BULELENG , PROVINSI BALI I NYOMAN SUANDANA; N.K Mardani; NYOMAN WARDI
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Meningkatnya volume sampah berdampak langsung terhadap daya tampung tempat pengelolaan sampah sementara yang tersedia, apabila tidak dikelola dengan baik maka dapat berdampak buruk terhadap keindahan dan sanitasi lingkungan. Penelitian ini bertujuan untuk mengetahui persepsi masyarakat terhadap pengelolaan sampah di Kota Singaraja dan upaya-upaya apa saja yang telah dilakukan oleh DKP. Kabupaten Buleleng sehubungan dengan pengelolaan sampah. Untuk memecahkan permasalahan dalam penelitian ini dipergunakan alat analisis ImportancePerformance Analysis, dengan skala 5 tingkat (Liker t 5). B erdasarkan hasil penelitian dapat disimpulkan : a). Persepsi masyarakat terhadap pengelolaan sampah di Kota Singaraja yang dilakukan oleh Dinas Kebersihan dan Pertamanan Kabupaten Buleleng secara umum adalah baik, terutama yang berhubungan dengan lokasi bak sampah, bentuk bak sampah, jarak penempatan bak sampah, jadwal angkut sampah, kesigapan petugas sampah, kesesuaian jadwal menyapu, alat yang dibawa oleh tukang sapu, banyaknya tukang sapu, lokasi yang ditetapkan untuk mendapatkan layanyan tukang sapu, frekuensi menyapu, sikap tukang sapu, kebijakan pemberlakuan daerah kawasan dan kesesuaian model truk yang dipergunakan untuk mengangkut sampah. Sedangkan masalah kondisi bak sampah dan perbandingan jumlah ketersediaan bak sampah dengan volume sampah yang ada, dianggap kurang sesuai dengan harapan masyarakat. b). Upaya-upaya yang dilakukan oleh Dinas Kebersihan dan Pertamanan Kabupaten Buleleng sehubungan dengan pengelolaan sampah di Kota Singaraja belum optimal baik dari luas jangkauan pelayanan dan kualitas layanan pengelolaan sampah. c). Pertambahan produksi sampah secara umum dapat mengakibatkan berbagai dampak langsung dan tak langsung terhadap lingkungan, namun berdasarkan hasil pengamatan di Kota Singaraja belum ada dampak yang signifikan sebagai akibat dari pertambahan produksi sampah.
SEASONAL DISTRIBUTION OF TOTAL SUSPENDED MATTER IN SUMBAWA SEA IGAG SWANDANA; Takahiro Osawa; I Nyoman Merit
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Distribusi Musiman Total Suspended Matter (TSM) di Laut Surnbawa (117" - us· Edan s· - 9· S) telah dilakukan. Data TSM tersebut diperoleh dari 75 stasiun pengukuran pada bulan September 2005 dan 98 stasiun pengukuran pada bulan November 2005 dan April 2006. Besaran sebaran TSM diperoleh dari hasil perhitungan besaran turbidity yang diperoleh dari pengukuran dengan menggunakan alat CTD ( Conductivity, Temperature and Depth) Sensors. Besaran TSM yang diperoleh dari besaran turbidity menggunakan rurnus TSM = 0,65 Tur+ 1,17 (r = 0,85) (Hoshika dan Tanimoto, 1997).  Distribusi sebaran TSM pada saat musim hujan menunjukkan bahwa besarnya bervariasi dari L060 sam­pai 2.951 mg/1 dengan rata-rata sebesar 1.152 mg/1 (n=98), di lain pihak pada saat musim kemarau distribusi sebaran TSM menunjukkan bahwa besarnya bervariasi dari 1.060 sampai 2.899 mg/1 dengan rata-rata sebesar 1.111 mg/I (n=75). Distribusi sebaran TSM secara vertical dari permukaan laut sampai dengan kedalaman 20 meter menunjukkan bahwa terjadi perbedaan yang signifikan antara musim kemarau dan musim hujan. Pada saat musim kemarau distribusi sebaran TSM pada permukaan laut sampai dengan kedalaman 20 meter mem­punyai variasi yang kecil (dari 1.079 sampai 1.599 mg/1); Pada saat musim hujan distribusi sebaran TSM pada permukaan laut sampai dengan kedalaman 20 meter mempunyai variasi yang sangat besar (dari 1.079 sampai 2.698 mg/1). Distribusi sebaran TSM dari kedalaman 20 meter sampai dengan 100 meter menunjukkan pola yang sama antara musim kemarau dan musim hujan.  Distribusi sebaran TSM pada permukaan laut (dekat sungai/muara) menunjukkan bahwa terjadi perbedaan sebaran antara musim kemarau dan musim hujan. Demikian juga dengan distribusi sebaran TSM yang diper­oleh dari data satelit menunjukkan bahwa terjadi perbedaan sebaran antara musim kemarau dan musim hujan. Perbandingan antara data in situ dengan data satelit menunjukkan bahwa koefisen korelasinya sebesar -0-753 untuk periode penelitian tersebut.
PENGETAHUAN, SIKAP DAN PERILAKU WARGA SEKOLAH MENENGAH ATAS (SMA) NEGERI DALAM PENGELOLAAN LINGKUNGAN DI KECAMATAN DENPASAR SELATAN KOTA DENPASAR I MADE SUARTAMA; I Wayan Suarna; I Nyoman WARDI
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

In responding to the policy of The Minister of Environment, The Minister of Education to encourage every school to develop a curriculum based on environment issues as well to develop active participation from everyone involve in the school environment with the aim of to create awareness and willingness in relation to environmental issues. The purpose of this research as follow: to determine the level and the difference in knowledge, attitudes, and behaviors among SMAN that do not implement environment-based curriculum with an environmentalbased curriculum in environmental management in the District of South Denpasar Denpasar City. This research was done through the method of survey with participants citizens SMA. The sample were involving 594 Senior High Students by implementing Proposional Stratified Random Sampling. The sample taken from participants who are receiving education based on a environment curriculum approach which were 208 in total. The sample taken from participants who are not receiving education based on environment curriculum approach were 384 in total. Data was collected by way of questionnaires using Likert Scale with high level proven validity and reliability. Data were analysed using descriptive and comparison methods. The result of this research is shown as followed: 1) The level of knowledge regarding environment issues is higher for those participants who are educated based on environment curriculum approach as compare to those students who have not been influenced by the same curriculum. 2) attitudes and behaviors of citizens in environmental management SMAN not apply the environment- based curriculum tends to be lower (less positive) than citizens who apply based curriculum SMAN environment, 3) There are very significant differences in knowledge, attitude, and behaviour between participants who are educated based on environment curriculum approach as compare to those participants who are not experiencing the same approach in their education. Positive influence and higher awareness of environmental issues are prevalent in those participants who are educated based on environment curriculum.
PERUBAHAN PENGGUNAAN LAHAN DI PROVINSI BALI Abd. RAHMAN As-SYAKUR
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Research on land use change is very important to do in this time, because the land use change has an impacton physical and social environment. The purpose of this research is to determine the land use change in Baliprovince using satellite imagery data and GIS. Methods of this research are comparing the two data distribution ofland use in 2003 and 2008 obtained from interpretation of Landsat ETM+ (JICA, 2005) andALOS/ AVNIR-2.On-screen method is used to ALOS/ AVNIR-2 image data interpretation. Land use has changed between 2003and 2008. Settlements and irrigated ricefield is the most extensive land use changes, that are 2.553 ha and 2.553ha. W hereas the salting land use has not changed. Spatial representation shows in the south and central partof Bali Province is the region that have most experienced changes. Denpasar city and Badung Regency is twoadministrative regions which have most extensive experience in land use change.
KUALITAS AIR LIMBAH PABRIK KERTAS PT. BALI KERTAS MITRA JEMBRANA l KETUT SUNDRA
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

PT. Bali Paper Mitra Jembrana is a business unit engaged in manufacturing or recycling (recycle) waste paper (cardboard) into a thin paper which is known as rice paper wrap. This business has been operational since 2004 the paper every day to process anaverage of 13 tonnes of waste paper and produces an average of 10 tons/ day. The production requires 90 m3/day of ground water: 50 m3 for the cleaning cloth (shower system) and 40 m3 for cooling boiler. Heating using coal with a volume of one ton/ day. Steam heat from the boiler used for drying paper. From this process, the 90 m3 of ground water pruducted 60 m3/ day wastewater into lagoon. Waste treatment system of PT. Paper Jembr ana is still a semi-permanent using 5 lagoon with a capacit y of 651 m3. The purpose of this study was to determine the factual quality of water in physical and chemical wastewater produced PT. Bali Paper Mitra Jembrana which will be used as a data base for monitoring and management for stake holder and government. The results show, at the end of the treatment there are 5 parameters which exceeds Waste Water Quality St and ard Class II (LH Decree No. 5 of 1995) such as BODS, COD, phenols, sulfide (H2S) and lead (Pb), so it is not feasible discarded to the outside environment.
CORAL REEF CONDITION DETECTED IN MENJANGAN AND NUSA PENIDA ISLAND USING ALOS/AVNIR-2 SATELLITE DATA IDA AYU UTARI DEWI; Takahiro Osawa; I Wayan Arthana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Wisata terumbu karang sangat diminati oleh wisatawan dalam negeri maupun manca negara. Pulau Menjan­ gan dan Nusa Penida merupakan salah satu lokasi wisata yang yang sangat diminati karena memiliki ekosistem pesisir seperti terumbu karang, hutan bakau, rumput laut dan lain-lain memiliki kekayaan yang beranekaragam. Dalam penelitian ini, data satelit ALOS (AVNIR-2) yang memiliki 3 spektrum tampak yang digunakan untuk mendeteksi daerah penyebarannya. Tujuan  penelitian  ini adalah:  1) Untuk  mengetahui  sebaran terumbu  karang secara umum  di Pulau Men­ jangan dan Pulau Nusa Penida dan 2) Untuk mengetahui perubahan terumbu karang di Pulau Menjangan dan  Pulau Nusa Penida. Akurasi yang baik  (Nusa Penida  81,213%  (2007), 80,334%  (2009), Menjangan  85,555%  (2007), 84,285% (2009)) diperkirakan karena sebagian besar daerah pelatihan sesuai dengan data lapangan. Akurasi dari citra satelit tanpa metode Lyzenga di Nusa Penida Island itu lebih rendah dari keakuratan citra satelit di Pulau Men­ jangan. Hal ini disebabkan oleh 3 faktor-faktor seperti kesalahan klasifi.kasi sesuai dengan interaksi kompleks dari tata ruang topografi, informasi kesalahan definisi dari kelas spektral dan  kesalahan pada citra satelit itu sendiri. Hasil persebaran Pulau Menjangan menunjukkan luasan tutupan terumbu karang 49,04 hektar pada tahun 2009 dan 51,06 hektar pada tahun 2007 dengan perubahan luas terumbu karang meliputi 2102 hektar tingkat persentase 3,95%. Nusa Penida menunjukkan luasan tutupan terumbu karang 399 66 hektar pada tahun 2009 dan  339,65 hektar pada tahun 2007 dan , perubahan cakupan terumbu karang 60.01 hektar tingkat presentase 17,6%. Penurunan terumbu karang di pulau menjangan terjadi karena seperti suhu, serangan predator, gelom­ bang besar dan aktivitas manusia. Terutama pada suhu tinggi yaitu 30° pada Nopember 2001, Desember 20021 Desember 2006, Desember 2007, November 2008, April 2009, April 2010 dan  Desember 2010 Suhu yang tinggi tampaknya memberikan kerusakan besar terhadap terumbu karang sehingga terjadi pemutihan terumbu karang. Peningkatan terumbu karang di nusa penida karena dipengaruhi oleh suhu perairan di Nusa Penida yang optimal  bagi pertumbuhan karang.
KERAGAMAN MIKOFLORA TANAH PADA HABITAT TANAMAN PISANG DI BALI l MADE SUDARMA; D.N. SUPRAPTA; Rai Maya Temaja
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Fungi in the soil plays an important role in maintaining the health and quality ofland, one of several indicators of soil health that is the diversity of soil fungi. This study was done in order to know the soil fungi diversity in the soil of banana plants habitat. The soil samples were collected from three regencies in Bali, i.e. Karangasem, Klungkung and Jembrana which are the main banana growing areas in Bali. Soil sampling was done in two sites in each regency, by collecting 100 grams of soil surrounding the banana plant at the depth of 20 cm, with three replication. Soil microbes population density particularly for bacteria, fungi and actinomycetes were determined based on plate account technique, while the microbes diversity was determined based on Diversity Index of Shannon-Wiener. Diversity index of soil fungi of all soil samples ranged from 0.8785 to 2.1458 (criteria oflow to moderate), with population densities ranging from 1.1 x 104 to 2.8 x 104 cfu / g soil. Evenness index at all sites soil samples obtained ranged from 0.6688 to 0.9766, this means the fungus species found there are no outstanding domination. Similarity index on all soil samples showed less than 0.5, which means one does not have a kinship with each other. Physicochemical factors that affect population density of soil fungi on the banana plant habitats: organic C, total N, available P, available K, soil moisture content (air dry capacity and field capacity), sand and clay. W hile soil physicochemical factors that influence the number of species (diversity) of soil fungi namely: C-organic content, total N and the dust has positive influence on the number of species in banana plants habitat, whereas soil sand content negatively affected the number of types of soil fungi.
STUDY OF CHLOROPHYLL-A DISTRIBUTIONS IN LOMBOK STRAIT USING BIOGEOCHEMICAL MODEL BASED ON REGIONAL OCEAN MODELLING SYSTEM (ROMS) KADEK ARY ANGGRENI; Takahiro Osawa; I Wayan Arthana
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

Regional Ocean Modelling System atau Sistem Pemodelan Laut Regional (ROMS) telah digunakan untuk bermacam keperluan, bermacam pemodelan kelautan. Model Biogeokimia yang dipasangkan dengan ROMS terdiri dari tujuh pasang bagian persamaan yang berbeda-beda mencakup: nitrat, amonium, detritus kecil dan besar, fitoplankton, zooplankton, dan karbon fitoplankton yang dinamis menjadi suatu rasio klorofi.1. Studi pola penyebaran klorofil-a di Selat Lombok (-7 °N - -10 °5 dan 114 °E - 117 °E) pada tahun 2006 telah dianalisis menggunakan model Biogeokimia berdasar pada ROMS. Hasil penelitian menunjukkan bahwa sebaran klorofil-a teramati rendah (0,20 mgChl-a/m3 ) di Selat Lombok pada bulan Januari. Klorofil-a diperkirakan di bagian sebelah selatan Selat Bali dan penyebaran klorofil-a rendah pada lapisan atas dari Selat Lombok. Klorofil-a berlimpah (0,32 mgChl-a/m3 ) teramati di bulan Agustus. Arah arus timur laut bergerak kearah barat clan bagian selatan di daerah penelitian melalui Selat Lombok. Konsentrasi klorofil-a tertinggi diperkirakan di sebelah utara hingga bagian barat daya Pulau Bali clan juga di bagian selatan Pulau Lombok. Selama musim kering, angin arah tenggara berhembus dari Australia memicu terjadinya proses upwelling ( temperatur rendah clan air yang kaya nutrien di dekat permukaan) juga diperkirakan berdasarkan ROMS.
STUDI TINGKAT KEPATUHAN USAHA PENCELUPAN DI BANJAR MEKAR BHUANA KELURAHAN PAD ANGSAMBIAN, KECAMATAN DENPASAR BARAT N.ANOM PURWA WINAYA; M.S. MAHENDRA; I.W. Budiarsa
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 6 No 1 (2011)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

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Abstract

The dyeing business potentially leads to pollution. This study aims at exploring to what extent the dyeing business adhered to 1) the permits required; 2) the system of how the waste produced should be processed; 3) awareness of dyeing companies owners on the environment. The research was conducted by observing and interviewing the owner. Two criteria were referred to in this study; criteria 1 was scored S (good) and criteria 2 was scored 1 (bad). Each component was scored depending on environmental priorities determined. The waste was tested to determine the criteria of pollution and envirovmental damage. The parameters of the waste water tested were BODS' COD, TSS, Sulfide, Phenol, Mineral Oil and Chromium (Cr). The research findings showed that ( 1) the owner did not have the standardization of permit; ( 2) the wrongly applied method turned out to disturb the expected process and was not in accordance with the criteria how the dyeing waste should be processed which was responsible for the fact that there were four chemical parameters which exceed the Standard Waste Water Of Textile Industry such as BOD 5, COD, TSS and Sulfide; ( 3) the dyeing business did not pay any attention to environment; nothing was done to contribute to environmental preser vation. Conclusion of this research is the dyeing business is not required with the three variable was be depending.

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