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All Journal Jurnal Ilmiah Elektronik Infrastruktur Teknik Sipil Journal of Marine and Aquatic Sciences Buletin Udayana Mengabdi Jurnal Spektran Ecotrophic, Journal of Environmental Science ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Teknik Sipil Journal of Marine Research and Technology Jurnal Sains Riset

I Gusti Bagus Sila Dharma

Fakultas Kelautan Dan Perikanan Universitas Udayana

Author-ID : 253205

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Social Sciences

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Identifikasi Kandungan Senyawa Fitokimia Pada Daun dan Akar Lamun di Pantai Samuh Bali Ni Luh Gede Widya Bintang Gustavina; I Gusti Bagus Sila Dharma; Elok Faiqoh
Journal of Marine and Aquatic Sciences Vol 4 No 2 (2018)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Seagrass is the only flowering plant which has a true roots, leaves, and stems, an angiosperm plant that adapted to live entirely in the ocean. Seagrass produces several compounds which produced through secondary metabolism, one of the secondary metabolism is the phytochemicals. Seagrass ecosystem in Tanjung Benoa was discovered along Samuh Beach, where 9 kinds of seagrass species were found around the seagrass ecosystem in Tanjung Benoa. Samuh Beach has a tranquil water conditions and sandy substrate. The activities of marine tourism and hotel waste disposal in Tanjung Benoa waters cause major ecological pressure and physical pressure for the seagrass ecosystem. This study aims to determine the content of phytochemicals in the leaves and roots of seagrass. Screening method was used to determine the content of bioactive alkaloids, flavonoids, saponins, steroids, and tannin compounds. Each of these compounds has an important role in the seagrass. The existence of chemical compounds of the flavonoid, alkaloid and steroid groups in the roots and leaves of Cymodocea rotundata seagrass, Enhalus acoroides, Thalassia hemprichi, Halophila ovalis, Halophila minor, Halodule uninervis and Sryngodium isoetifolium in this study indicate that the seven species of seagrass has potential as a natural chemical antifouling, antifungal, and antibacterial.Then the seagrass will be protected from the danger of predators or epiphanies that interfere with the growth of seagrass and the ecosystems on Samuh Beach will remain intact.

PELATIHAN PENGOLAHAN PRODUK RUMPUT LAUT UNTUK MENDUKUNG PENGEMBANGAN NUSA LEMBONGAN SEBAGAI DESTINASI WISATA IGB.S. Dharma; A.P.W.K. Dewi; I M.S. Darmasetiyawan
Buletin Udayana Mengabdi Vol 15 No 2 (2016): Jurnal Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

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Nusa Lembongan is an area of cultural and maritime tourism. Livelihood Pattern in Nusa Lembongan isclosely related to marine resources. In order to increase the added value and the sale value, seaweed farmingdevelopment should be followed by the development of processing industry. The training that needs to bedone is the development of seaweed processing technology into a variety of processed seaweed-basedproducts. Interviews conducted with the group leader for seaweed processing in Nusa Lembongan shows theunavailability of seaweed jelly candy. The training process for seaweed jelly candies has been going well.Results showed that participants understand the materials that have been given. The success is shown by thepositive response from the participants; by asking questions and responses related to the process of makingcandy jelly seaweed.

PENYULUHAN PENANGANAN PENYAKIT IKAN DENGAN MEMANFAATKAN HERBAL PADA PEMBUDIDAYA IKAN DI DANAU BATUR, BALI E.W. Suryaningtyas; I.W. Restu; I.Y.P. Perwira; I.W.G.A. Karang; I.G.B.S. Dharma; E. Faiqoh
Buletin Udayana Mengabdi Vol 17 No 4 (2018): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Budidaya ikan di karamba jaring apung (KJA) di Danau Batur telah lama dilakukan oleh penduduk asli di sekitar Danau Batur. Komoditi ikan yang dibudidayakan adalah ikan nila. Kendala utama pembudidaya adalah parasit dan penyakit yang menyerang ikan nila. Selama ini untuk mengobati penyakit ikan nila menggunakan bahan kimia yang bisa mengakibatkan pencemaran lingkungan dan manusia yang mengkonsumsi ikan. Alternatif yang tepat adalah penggunaan herbal untuk pencegahan dan pengobatan parasit dan penyakit ikan nila di Danau Batur. Tujuan pengabdian ini adalah untuk memberikan pengetahuan dan keterampilan pada pembudidaya ikan di Danau Batur tentang manfaat tanaman herbal dalam penanganan parasit dan penyakit ikan. Jenis herbal yang bisa digunakan untuk pencegahan dan pengobatan penyakit ikan nila adalah bawang putih, kunyit, sirih dan daun pepaya. Metode yang digunakan adalah penyuluhan dan sosialisasi dengan penyebaran leaflet pada pembudidaya ikan. Hasil kegiatan menunjukkan 90% peserta memahami materi yang diberikan, hal ini tampak pada respon pertanyaan dan keinginan untuk mempraktekkan pengetahuan tersebut. Kegiatan pengabdian ini dapat disimpulkan pembudidaya sangat tertarik pada pemanfaatan herbal dalam penanganan penyakit ikan nila.

PENINGKATAN DAYA SAING PERIKANAN MASYARAKAT KEDONGANAN MELALUI PELATIHAN PEMBUATAN ICE GEL I.G.B.S. Dharma
Buletin Udayana Mengabdi Vol 17 No 2 (2018): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Salah satu wilayah pendaratan ikan hasil tangkapan di Selat Bali adalah Pantai Kedonganan. Masyarakat Kedonganan umumnya menggunakan es balok sebagai bahan pengawet karena murah dan mudah didapatkan, namun kekurangannya adalah cepat meleleh, sekali pakai, dan menghasilkan limbah cari saat meleleh. Salah satu solusi dari masalah ini adalah dengan ice gel yang bersifat dipakai berulang-ulang, tidak cepat cair dan tidak menimbulkan limbah saat mencair. Selain itu, ice gel dapat memberikan peluang usaha baru bagi masyarakat Kedonganan. Tujuan dari kegiatan ini adalah memberikan pelatihan cara pembuatan ice gel dan memberikan gambaran prospek pengembangan usaha ice gel. Metode yang digunakan adalah ceramah, praktek, dan diskusi. Masyarakat yang diundang adalah kelompok nelayan se Kelurahan Kedonganan, Pengusaha Cafe, Pedagang Ikan, ibu-ibu PKK dan stakeholeder kelautan perikanan. Kegiatan peningkatan daya saing perikanan masyarakat kedongan melalui pelatihan pembuatan ice gel berlangsung sangat baik dan berhasil yaitu memberikan tambahan pengetahuan bagi masyarat tentang ice gel secara umum, perbandingannya dengan es konvensial, cara pembuatan dan peluang usaha yang bisa dilakukan. Hasil pengabdian menunjukkan bahwa masyarakat memberikan respon positif berupa banyaknya pertanyaan yang diajukan dan akan diadakan inisiasi kerjasama lebih lanjut berupa pendampingan dan pelatihan.

MANAJEMEN RISIKO OPERASIONAL DAN PEMELIHARAAN TEMPAT PEMBUANGAN AKHIR (TPA) REGIONAL BANGLI DI KABUPATEN BANGLI I W Wedana Yasa; I G. B Sila Dharma; I Gst Ketut Sudipta
JURNAL SPEKTRAN Vol 1, No 2, Juli 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

To obtain the maximum and sustainable advantage it needs to carry out the operational and maintenance (OP) activities of TPA. It is necessary to maintain the Bangli Regional TPA so that it will give maximum and sustainable advantages. This study was aimed at identifying various major risks which may interfere with the TPA operating and maintenance so that mitigation can be done and to determine the risk ownership. The collected data were analyzed using descriptive qualitative method through the following stages: the risks were identified, the risks were evaluated, the risks were coped with, and the risk ownership could be identified. The risks identified totaled 72 consisting of: 9 (12.5%) risks which were under the unacceptable category, 16 (22.22%) risks which were under the acceptable category, and 1 (1.39%) risk which was under the negligible category. The major risks amounted to 55 risks (76.39%), included the obstacle to establishing the institution which was fully responsible for the operating and maintenance of the Bangli Regional TPA, the limited amounts of funds allocated by the central government, the provincial government, and the regency governments which were integrated into the Regional TPA, the obstacle to creating an affiliation between the government and the private institutions, and other risks. The risk mitigation was done by avoiding risks, reducing risks, and transferring risks starting from the institutional, regulation and financial aspects, and technical and non technical problems. Most risk ownerships were the responsibility of the Bangli Regional TPA management.

EVALUASI RENCANA KINERJA KOLAM RETENSI (RETARDING BASIN) DALAM UPAYA PENGENDALIAN BANJIR TUKAD MATI DI KOTA DENPASAR I G. Suryadinata P; I N. Norken; I G. B. Sila Dharma
JURNAL SPEKTRAN Vol 1, No 1, Januari 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Tukad Mati is one of the rivers in the province of Bali that unfolds and flows in Badung regency and Denpasar. Inundation due to flooding is a problem that often occurs in this region during the rainy season. In an effort to overcome problems of flooding have been many studies carried out so as to produce flood control alternatives such as normalization, diversion channels and retarding basins. Retarding basin is one of flood control alternative that has not been much studied. In this study conducted a simulation of flood prevention alternative with retarding basin at Tukad Mati, by the hydrology approach method and hydraulics using HEC-RAS 4.0 program applications. Simulations performed on the current river flow conditions (existing condition) and to the existing conditions with the retarding basin, according to the detail design of retarding basin in the city of Denpasar and evaluate the effectiveness of the retarding basin in the river basin flood control of Tukad Mati. Flood control by retarding basin based on simulations with the 2 (two) years flood return period, resulting in a reduction of water level by an average of 0.42 meters or an average of 12% of the maximum water level in the conditions without retarding basin, which occurred in along the grooves on the lower reaches of the retarding basin and inundation waters still occur in some places, particularly in the downstream of Umadui Dam. Economic analysis of both the analysis of Benefits/Cost produces a parameter of BCR, NPV and IRR are not meet the feasibility requirements. The effective retention of retarding basin based on simulation results are 282,630.00 m3 with the ability to flood accommodate for 3-4 hours. In terms of economic development retarding basin is not feasible in terms of comparative costs and benefits

KARAKTERISTIK POLA PEMAKAIAN DAN PELAYANAN AIR BERSIH DI WILAYAH USAHA PAM PT. TIRTAARTHA BUANAMULIA I B. Suryadmaja; I N. Norken; I G.B. Sila Dharma
JURNAL SPEKTRAN Vol. 3, No. 1, Januari 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract : The purpose of this study is to determine how the pattern of usage, behavior and water services in the areas of business of PAM PT.Tirtaartha Buanamulia (PT.TB) using qualitative descriptive methods such as survey research instrument (observation) and questionnaires of 337 samples, consisting of domestic water consumption and non- domestic . The result of the analysis showed that the average water consumption in some parts of sub-district of Kuta (Kedonganan village, Tuban village and Kuta village), the business area of PAM PT. TB, amounts to 243.49 liters /person /day. Average water use in the District of South Kuta (Pecatu village, Ungasan village, Kutuh village, Benoa vilage, Tanjung Benoa village and Jimbaran village) amounts 168.01 liters/person/day. Calculation of water demand for star hotels based on the results of the study on average is 726.84 liters /room/ day and non-star hotels 43.85 liters/room/day, the need of water for the restaurant and the restaurant is based on the research of 18.85 liters/seat/day, water usage for educational facilities based on the results of the study amounted to 9.99 liters/person/day, the water requirements for health facilities based on the research needs 562.13 liters /bed/day. The amount of non- domestic water needs based on research results which was 72.69 % of the domestic water needs, is the basis for the provision of water by PAM PT. TB at this time and in the future. The analysis of the results showed that the community of water users in the area of business PAM PAM PT. TB had a good perception of the PAM service; this is evidenced by the level of customer satisfaction to achieve 73.07 % PAM services for domestic and non- domestic 100 %. This study also showed the willingness of subscribers received 10 % increase in the tariff.

EVOLUSI PERUBAHAN GARIS PANTAI SETELAH PEMASANGAN BANGUNAN PANTAI Soni Senjaya Efendi; IG. B. Sila Dharma; I Ketut Suputra
JURNAL SPEKTRAN Vol. 3, No. 1, Januari 2015
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Abstract :Reducing the negative effect of erosion problem efforts either by hard structure (e.g. groin construction) or soft structure (e.g. Sand nourishment) solution have been already implemented. One of the location with sand nourishment solution as well as the groin construction is located in Sanur beach, Bali. This location is in critical situation, where the infrastructure is threatened by the lack of the sediment amount and hence it will be impact on the tourism. The evaluation of the coast line changing impact due to the existing of coastal structure need to be assessed. In the worst case, where the coastline changes significantly, the efforts to solve the erosion problems are by groin shape modification and adding the new coastal structure. Simulation results show that there are three segment of the coastal area in between the groin need to be overcome, GN.4 – G7, G39 – GA2 and G32 – G37. The methodology in this study is by comparing the simulation result with the measurement data in 2012. The evolution of coastline changing in those areas shows significant coastal recesion compare to the other places. What can be done to solve the problem is that by modifying and construct new structure. In GN.4 – G.7, we can construct breakwater paralel to the coastline in the middle. In GN 4, transforming the groin shape from T to I, in the location of G39 – GA2 we propose to omit the bending of the groin in GA2 and construct the groin parallel to the beach in between G39-GA2, in the location of G32 - G37 the breakwaters need to be constructed in the right side and in the left side of the groin G32. The modification of groin construction in the GN.4 – G7, G39 – GA2, and G32 – G37 reduces the losing of material. The coastal recession can be reduced from 6.15 m to 5.34 m in GN.4, in GA 2 from 3.4 m to 2.85 m, and in G32 from 3.69 m to 2.98 m.

PARTISIPASI MASYARAKAT PEMAKAI AIR DALAM OPERASI DAN PEMELIHARAAN EMBUNG DI KABUPATEN KARANGASEM I G. Oka Wiradnyana; I N. Norken; I G. B. Sila Dharma
JURNAL SPEKTRAN Vol 1, No 1, Januari 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Karangasem regency is one area of dry areas in the province of Bali. This area has limited surface water resources in some area, and the rivers are partly a intermittent, which there is no water in the dry season, so as to meet the needs of raw water is very difficult. One alternative to overcome this, the government has built the small reservoir, called the Embung. In order to meet the embung system sustainable, the participation of water users in the operation and maintenance of Embung is required. This research aims to determine the influence of human resources (HR) factors, funding, ideas and effort, and organization in the operation and maintenance of Embung. Number of samples obtained in these research as many as 290 respondents is calculated by Slovin theory formulation of the total 1.045 family heads of water user population. Community participation is measured statistically using the independent variables, namely human resources (X1), funding (X2), ideas and effort (X3), organization (X4), as well as the operation and maintenance of embung as the dependent variable (Y). Data results of the questionnaire, scored into a Likert scale, further processing was carried out by multiple linear regression analysis. using statistical software Statistical Package for Social Science (SPSS) version 19. The results showed that there is participation of water user in the operation and maintenance of embung in the regency of Karangasem, which can be shown from the resulting regression equation model, where all the regression coefficients of each variable are positive. Independen variables also have a significant influence on the dependent variable, with Fhitung (= 2316,926) > Ftabel (= 1,96). While the most dominant variable effects on the operation and maintenance of embung is organization's variable, with the ? value of 0.382, followed by ideas and effort variable (? = 0.329), proceeded by funding (? = 0.302), and the lowest is the human resources (HR) variable (for ? = 0.283)

KINERJA SISTEM JARINGAN DRAINASE KOTA SEMARAPURA DI KABUPATEN KLUNGKUNG Irma Suryanti; I N. Norken; I G. B. Sila Dharma
JURNAL SPEKTRAN Vol 1, No 1, Januari 2013
Publisher : Master of Civil Engineering Program Study, Faculty of Engineering, Udayana University

Urban drainage is one of basic facilities and infrastructure of a town which is cincidered quite important. Agood city needs to consider the condition of the drainage system, because if a settlement is flooded, it will greatly impact the lives of the city. Buildings will be easily damage, environments will be unhealthy and settlements will turn into slumps. The case of flooding is not only in big cities but also emerged in the town of Semarapura that extents only, 5,151 km2. From the conditions on ground, puddles can still be found in some locations, so based on the fact it is necessary to issue reviewing Semarapura drainage system to improve the drainage system in the region. The study in this research has the sense of a systematic search of the drainage problems from an investigation in order to get treatment effort. The approach applied in this research was exploratory and descriptive analytical approach. Data were collected through questionnaires an in-depth interviewers with selected agencies using purposive sampling method. Data analysis was perfomed by descriptive qualitative using likert scale to measure the attidudes, opinions and perceptions of tge performance of the drainage system. The analysis was performed with the aids of SPSS version 20.0, through several stage of the test process to the data sample. The result of the study showed that the influence of the level of maintenance operation, technical management and overall was high at 93,5% with the regression equation Y = -4.874 + 0.405 X1 + 0.228 X2 + 0.089 X3 and the remaining 6.5% was influenced by other factors. From the equation it can be seen that the maintenance operations were more dominantly affected on the performance of the drainage system in Semarapura town District of klungkung compared with management and technical. The effort carried out to increase performance system of Semarapura town drainage network is to construct a structured system of maintenance operations so that it can be performed on a regular basic, establish drainage management institutions that it’s authority and responsibility can be coordinated as directed an make clear rules of management system, make repairs damage drainage infrastructure in accordance with the technical requirement.

Co-Authors A.P.W.K. Dewi Abd. Rahman As-syakur Adi Prasetyo Andrianus Sembiring Astria Yusmalinda Boiris Benet Sinaga Budi Santoso Danie Al Malik Dewa Arya Dwiyana dody setiawan E. Faiqoh Elitza Germanov Elizabeth Anastasya Elok Faiqoh Endang Wulandari Suryaningtyas Gede Agus Bawantu Helga Margareta Hunter Hesti Aprianti I B. Suryadmaja I Dewa Anom Agung Dwi Putra Jayantika I Dewa Nym. Nurweda P., I Dewa Nyoman Nurweda Putra I G. Oka Wiradnyana I G. Suryadinata P I Gede Hendrawan I Gusti Agung Gede Bayu Gita Damara I Gusti Bagus Ngurah Adywan Surya Bhuwana I Gusti Ketut Sudipta I Gusti Ngurah Dirgayusa I Gusti Ngurah Putra Dirgayusa I Gusti Putu Ary Wedangga I Ketut Dedi Ariawan I Ketut Suputra I M.S. Darmasetiyawan I Made Mudiasa I Made Sukearsana I NYOMAN MERIT I Nyoman Norken I Putu Dede Charles Dharma Saputra I PUTU GUSTAVE SURYANTARA PARIARTHA I Putu Irpan Aditanaya I W BUDIARSA SUYASA I W Wedana Yasa I Wayan Gede Astawa Karang I Wayan Nuarsa I Wayan Sandi Adnyana I Wayan Suarna I.W. Restu I.W.G.A. Karang I.Y.P. Perwira Ida Bagus Indra Danendra Irma Suryanti Janis Khansa Putri Argeswara Kadek Yudiastuti Karina Santoso M. Sudiana Mahendra Naila Makfiya Nanin Anggaraini Ngakan Putu Purnaditya Ni Kadek Dian Prinasti Ni Luh Gede Widya Bintang Gustavina Ni Luh Kade Paramita Kusuma Ni Luh Putu Ria Puspitha NI LUH WIDYASARI Ni Nyoman Pujianiki Niken Gustantia Pande N Sari Saraswati Paul Helga Fernandez Putra, I Nyoman Giri Putu Desy Darmasusantini Putu Dian Pertiwi Putu Eva Setiawati Putu Sri Juniarta Ratih Permitha Syury Sagung Putri Chandra Astiti Soni Senjaya Efendi Takahiro Osawa Widiastuti Karim Widiastuti Widiastuti Yolla Jessika Yulianto Suteja

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