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All Journal METAMORFOSA Journal of Biological Sciences Journal of Marine and Aquatic Sciences Buletin Udayana Mengabdi Bumi Lestari Ecotrophic, Journal of Environmental Science JURNAL ENGGANO Jurnal Pengelolaan Perikanan Tropis (Journal Of Tropical Fisheries Management) Current Trends in Aquatic Science Advances in Tropical Biodiversity and Environmental Sciences AT-TAKLIM: Jurnal Pendidikan Multidisiplin

I Wayan Restu

Program Studi Manajemen Sumberdaya Perairan (Department Of Aquatic Resources Management) Universitas Udayana

Author-ID : 2950437

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Environmental Science Immunology & microbiology Veterinary Other

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Efektivitas Pengolahan Limbah Domestik di Instalasi Pengolahan Air Limbah (IPAL) Suwung-Denpasar, Bali Desak Made Goldyna Rarasari; I Wayan Restu; Ni Made Ernawati
Journal of Marine and Aquatic Sciences Vol 5 No 2 (2019)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Denpasar City and Badung Regency has a very large population growth rate, diversity, and intensity of development activities that produced domestic waste which if not properly managed, causes burden and damage to the aquatic environment. Wastewater Treatment Plant (WWTP) Suwung-Denpasar is one of the wastewater treatment business for waste management center from the area around Denpasar, Sanur, and Kuta. Based on the data analysis was known that the waste generated has not been appropriate environmental quality standards so that will affect the quality of the water. The aim of his research is to investigate the effectiveness of domestic wastewater treatment conducted in March - April 2017 by observation method in process and effectiveness measurement of waste water treatment. The processing begins with the distribution of waste in Denpasar and Sanur areas that are channeled to the bar screen and then collected to the inflow pumping station to be channeled to the receiving tank including waste from the Kuta area. Subsequent waste flows into the chamber grit to be filtered and taken to the aeration pond for 2 days then to the sedimentation pool for 16 hours and flowed to the effluent canal. The results showed the percentage of effective waste treatment in oil and fat restoration 85%, detergent 62%, and BOD 57%, while not effective in ammonia change because only reduced 26%, DO and H2S are not in accordance with environmental quality standards.

Sebaran dan Struktur Komunitas Moluska di Pantai Mertasari Kota Denpasar, Provinsi Bali Ni Komang Ayu Sukawati; I Wayan Restu; Suprabadevi Ayumayasari Saraswati
Journal of Marine and Aquatic Sciences Vol 4 No 1 (2018)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

The research objectives were to investigate the distribution and molluscs community structure in Mertasari beach, Denpasar-Bali. The research area was divided into 2 sites, the first site (I) has sandy substrate and second site (II) has muddy sand substrate. This research used quadrat transects systematic sampling method with 1x1 m2 quadrat. The data of the research were analyzed used Microsoft Excel. It was conducted from January to March 2017. The research result shows that the structure of molluscs in Mertasari Beach was support by 31 species richness of 25 species from gastropods and 6 species of bivalves. The density number of the molluscs was 124.5 ind/m2. The diversity index of the molluscs ranged from 2.29 to 2.58 were category as moderate diversity, the evenness index ranged 0.83 to 0.87 were category as high evenness, the dominance index ranged from 0.09-0.13 were category as low. the index number indicates that the ecological condition at Mertasari beach was in good condition so it is suitable to support the molluscs community livelihood. Which was supported by water quality value of dissolved oxygen at Mertasari beach ranged from 4-6.7 mg/l, pH waters ranged from 7.39-7.74, water temperature ranged from 25.9-29oC, water salinity ranged from 9-29 ppt. The distribution pattern of 31 species of molluscs were in groups (Id>1).

Kelimpahan dan Keanekaragaman Ilmy Amalia; I Wayan Restu; Endang Wulandari Suryaningtyas
Journal of Marine and Aquatic Sciences Vol 6 No 1 (2020)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/jmas.2020.v06.i01.p08

Serangan Island is a strategically touristic beach area where there is a vast expanse of seagrass being cultivated as habitat for the epiphuna, the beach has tourism activities such as surfing and swimming which could affect the life of epiphuna. The purpose of this study is to know the abundance and diversity of epiphuna in the seagrass area using the 1x1 m quadrat transect method. The study was conducted in February 2017. The highest epiphuna abundance at location 1 was 25,1 ind/m2. The lowest abundance value is at location 2 which is 19,1 ind/m2, whereas at location 3, it has the abundance value of 21,1 ind/m2. The epiphuna species that dominates from all three locations are from the Arthropoda phylum including Clibanarius taeniatus, Coenobita sp. and Calcinus laevimanus. The highest diversity index was found in location 1, 2,211, location 2 was 2,132 and the lowest was at location 3 which was 1,853, while the highest seagrass density of the three stations was Syringodium isoetifolium type 358 stands/m2 and the lowest was Thallasodendron ciliatum, 29 stands/m2. The results of the overall water quality measurement, ie, the temperature ranged from 27,6 to 28,40C, the pH ranged from 7,7 to 7,9, the salinity ranged between 28-30 ppt and DO ranged between 4,5-4,7 mg/l. Serangan Island coastal waters have the highest abundance of epiphuna in Arthropoda phylum, moderate (location 1 and 2) and low (location 3) diversity level, and with a normal water quality which is feasible for epiphuna life.

Potensi Dan Sebaran Jenis Pidada (Sonneratia caseolaris) Berdasarkan Jenis Tanah di Tahura Ngurah Rai - Bali Anesa Ronavia; I Wayan Restu; I Ketut Wijanegara
Journal of Marine and Aquatic Sciences Vol 6 No 2 (2020)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/jmas.2020.v06.i02.p5

Ngurah Rai Forest Park Bali is a mangrove forest area located along Benoa Bay. Tahura Ngurah Rai area was found in more than 10 types of mangroves, one of which was the caseolaris Sonneratia. This study aims to determine the potential and distribution of caseolaris Sonneratia based on soil type, and determine the type of substrate in the caseolaris Sonneratia distribution. The method is observational by sampling plots for tree stand categories and pole categories five station areas. Water parameters analyzed were temperature, dissolved oxygen, salinity, and pH. The soil parameters analyzed were soil pH, organic C, Nitrogen, Phosphorus, potassium, and water content. The results showed that the density of caseolaris Sonneratia trees at each station varied where the highest at station V (Nusa Dua) at 1,397 ind / ha and the lowest at station II (Suwung Kauh) with density of 177 ind / ha. Specific density values five stations fall into criteria. The type closure that entered the criteria of lack / damage is found at stations I, II, III, and IV, while for the category of very dense (good) at station V. The most pattern is the distribution pattern "clustered" (ind> 1). The range of physics-chemical parameters the waters in Tahura Ngurah Rai the highest temperature 30.33 oC and the lowest 28.36 oC , the highest salinity 25 ppm and the lowest 11 ppm, the highest dissolved oxygen 6.16 mg / L and the lowest 6.2 mg / L, the highest pH values are 8 and lowest 7.

PENDAMPINGAN PEMBERDAYAAN EKOWISATA PERAIRAN DAN RESTOCKING UDANG GALAH (MACROBRACHIUM ROSENBERGII) SERTA IKAN ENDEMIK DI DAERAH ALIRAN SUNGAI (DAS) DESA GALUNGAN KABUPATEN BULELENG I Ketut Wija Negara; I Wayan Restu; Pande Gde Sasmita Julyantoro; Endang Wulandari Suryaningtyas; Dewa Ayu Angga Pebriani; Ni Putu Putri Wijayanti; Suprabadevi Ayumayasari Saraswati
Buletin Udayana Mengabdi Vol 19 No 2 (2020): Buletin Udayana Mengabdi
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (549.457 KB)

The total tourist arrivals in Buleleng Regency from 2012-2016 averaged 669,005 annually. Galungan Village is located in the District of Sawan, which has an area of 14.60 km2 with part of its territory contained State Forest covering an area of 582 Ha and traversed by several Watersheds. The method used to achieve these objectives is through mentoring in the field of education, ecotourism study simulations increasing human resources in the organization of tourism awareness groups and encouraging the formation of supervisory community groups, restocking giant prawns (Macrobrachium rosenbergii) and upstream endemic fish (waterfalls) as a tourist attraction. The potentials of Galungan Village are forests, rivers, and communities of that environment. Besides that, the climate of this village is potential for the development of a tourist village. The Galungan Village supervisor community has a very important role in managing the efforts to develop village tourism. Conservation of the environment through the maintenance and nursery of endemic fish in watersheds can be one factor to provide other attractions besides the beauty of the forest and waterfalls in Galungan Village

Analisis Kelayakan Finansial Wisata Air Terjun Kanto Lampo di Kabupaten Gianyar Wayan Putri Prakanti Karya; I Wayan Restu; Ni Putu Putri Wijayanti
Bumi Lestari Journal of Environment Vol 22 No 1 (2022)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2022.v22.i01.p03

Gianyar Regency has interesting tourist objects, one of which is Kanto Lampo Waterfall, located in Banjar Kelod Kangin, Beng Village, Gianyar District, Gianyar Regency. The origin of the name Kanto Lampo is that there are many Kanto Lampo trees that grow around the river. Supporting infrastructure facilities currently available at Kanto Lampo Waterfall are the availability of a reception office, gazebo/bale bengong, toilets, changing rooms/rinsing rooms, payment counters, bathing pools, food vendors, and a fairly large parking area. The number of tourist visits to the Kanto Lampo Waterfall tourist attraction from 2015 was 10,170 people and continued to increase every year until 2019 as many as 51,810 people. The research on the financial feasibility analysis of Kanto Lampo Waterfall tourism aims to determine the economic feasibility of a waterfall development business based on an economic-financial approach. This research took place from January to February 2021. Primary data were obtained from interviews, direct observation, and documentation in the field. Based on the data obtained, the business of the Kanto Lampo Waterfall tourist attraction obtained an NPV value for 10 years of investment of IDR 1,137,263,458,-. The IRR value is 38%. The BCR value obtained is 3.8. and the value of the Payback Period (PP) of 1.3 years shows that the payback period for the waterfall business is relatively fast. Keywords: Analysis; Beng; Economics; Feasibility; Tourism

Strategi Pengembangan Wisata Pantai Kedungu, Kecamatan Kediri, Kabupaten Tabanan, Bali nyoman anisa; I Wayan - Restu; Ni Putu Putri Wijayanti
Bumi Lestari Journal of Environment Vol 21 No 2 (2021)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2021.v21.i02.p04

The purpose of this study is to find out the tourist attraction of Kedungu Beach as well as knowing Kedungu Beach Development Strategy with SWOT analysis. This research was conducted in January 2021, using descriptive and qualitative methods, as well as data analysis using SWOT analysis. The results obtained in this study are tourist attractions that are found on Kedungu Beach, there are natural beauties including the cleanliness of the beach water, photo spots, High waves that are suitable for surfing and beauty of the sunset in the afternoon Behind the natura beauty those owned by the Kedungu Beach tourist attraction, there are things that need to be considered, namely cleanliness environment of completeness of supporting facilities. The results of the SWOT analysis obtained a suitable strategi for the development of Kedungu Beach tourism, namely the SO (Stategy and Opportunities) strategy. Is a strategy that uses the power to take adventage of the strategy opportunities in question including improving the quality of human resources (human resources), opening services photographers for tourists whose reception is specifically for the surrounding community providing rental services surf tool. Keywords: Tourist Attraction, Kedungu Beach, , SWOT.

Analisis Kelayakan Potensi Ekowisata Pantai Pandan, Kecamatan Pandan Tapanuli Tengah Sumatera Utara. Wenny Aberti Manurung; I Wayan Restu; Gde Raka Angga Kartika
Bumi Lestari Journal of Environment Vol 22 No 1 (2022)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2022.v22.i01.p01

Abstract This study was conducted in Pandan Beach, Pandan District, Central Tapanuli, North Sumatra which aims to know the supporting factors of coastal tourism feasibility from the limiting factors of tourism conformity index value and to know the tourism conformity index (IKW). This research was conducted for 1 Month, namely in early March to early April 2021. The method used in this study is descriptive quantitative method. Determination of the location of research based on the representation of the area is located with the consideration that in the area is often carried out tourist activities such as point 1 waterspot activities, point 2 is swimming activity and point 3 ship activity that carries passengers around the island. parameters measured in the Index of Tourism Conformity Category Of Beach Tourism namely depth, tipe beach, beach width, water base material, beach slope, current speed, brightness, closure of coastal land, hazardous biota, and availability of fresh water. Based on the observation of the potential of Pandan Beach is the white sand, the waves are not too besar. The results showed the value of tourist conformity index of the three stations, namely at station 1 has a value of 2,695, while at stations II and III has the same value of 2,795. It shows that pandanus beach falls into the category of very appropriate (SI) with a conformity index value of >2.5. Hal showed that Pandan Beach Tapanuli Central North Sumatra has a very good potential to be a location for recreational beach tourism activities. Keywords: Potential; Tourism Conformity Index; Pandan Beach.

ANALISIS KUALITAS AIR DANAU SEBAGAI DASAR PERBAIKAN MANAJEMEN BUDIDAYA PERIKANAN DI DANAU BUYAN KABUPATEN BULELENG, PROVINSI BALI I Wayan Rian Riki Saputra; I Wayan Restu; Made Ayu Pratiwi
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 11 No 1 (2017)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

LAKE WATER QUALITY ANALYSIS AS A IMPROVEMENT BASIS OF AQUACULTURE MANAGEMENT IN BUYAN LAKE REGENCY OF BULELENG, BALI PROVINCE Buyan Lake is one of the lakes in Bali province. That located at Pancasari Village, District of Sukasada, Buleleng Regency. This lake they are many utilication of the lake such as agriculture, tourism and aquaculture activities. Those activities are considered to contribute an eutrophication in this lake. In order to investigate the effect of of floating net cages activity in Buyan Lake, the research about “The Analysis of Water Quality as a Basic Improvement of Aquaculture Management in Buyan Lake” was conducted This research method used in this study was done by observation method and took the samples in situ (at Buyan Lake site) and samples analysis was done by ex situ (at UPT. Laboratorium Kesehatan Propinsi Bali). They were 2 water quality parameters such as some physic parameters (temperature, clarity and turbidity) and chemistry parameters (pH, DO, ammonia, nitrate, BOD, COD, sulfide and phosphate). The data analysis of this research was analysis conducted by STORET index and pollution index (PI). Base on the analysis using STORET index, pollution status in Buyan Lake was heavily contaminated with average score of -82. The highest score was obtained in station 3 (-98). The results of pollution index showed that Buyan Lake has a lightly contamination with average score 3,4347 whereas the highest pollution index score was obtained in sation 4 (3.8673).

ANALISIS KONDISI INDEKS KUALITAS AIR PADA ENAM MATA AIR DI KABUPATEN GIANYAR, BALI I Wayan Gde Samping Gargitha; I Wayan Restu; Alfi Hermawati Waskita Sari
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 10 No 2 (2016)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Spring is the source of water that occurs naturally. This research aim was to investigate the water quality status of six springs in Gianyar regency based on water quality index.This research was conducted in January 2016 at Taman Sari Spring, Tirta Sudamala Spring, Beji Kengetan Spring, Gerembeng Kengetan Spring, Rijasa Spring and Beji Jeleka Spring. The samples were taken using purposive sampling method and analyzed using descriptive quantitative. The value of water quality index determine using 9 parameters, such as temparature changes, turbidity, total dissolved solid, pH, dissolved oxygen, biological oxygen demand, nitrate, phosphate and faecal coliform bacteria. The results of water quality index showing that the six springs were in good category. The highest value of water quality index was at Taman Sari spring (88,48). The next highest value was at Beji Jeleka spring (86,87). Tirta Sudamala spring, Beji Kengetan spring, Gerembeng Kengetan spring and Rijasa spring have a value of water quality index 86,12; 84,29; 81,66 and 85,83.

Co-Authors Abd. Rahman As-syakur Abdul Razak Adhelia Fatimah Azzahra Alfi Hermawati Waskita Sari Anesa Ronavia Arip Arip Arisanti Dyah Puspitasari Atsna Qi Doma T. Manihuruk Bagus Sudananjaya Bastiar Nurdin Cintya Kriss Jayanthi Desak Made Goldyna Rarasari Desak Putu Permathasari Desak Wira Triana Wandari Dewa Ayu Angga Pebriani Dewangga Ari Kusuma Putra Diah Ayu Safitri Dimas Hafidh Nugroho Dita Dwi Ayu Isukadana Endang Wulandari Suryaningtyas Evrina Cahyani Sinaga Fuad Hasin Ahmad Gagah Gumelar Wicaksono Gde Raka Angga Kartika Gede Bayu Sulastika Hanif Abdullah I Gede Suyoga I Gede Wahyu Surya Wirawan I Gusti Agung Bagus Putra Adiguna I Ketut Wija Negara I Ketut Wija Negara I Ketut Wija Negara I Nyoman Sastra Adi Putra I Putu Anggra Weda I Wayan Arthana I Wayan Gde Samping Gargitha I Wayan Rian Riki Saputra Ida Ayu Novera Wandiani Ilmy Amalia Indah Eka Yulianti Indah Nurtira Irene Yolanda Br Ginting Jordan Alexander Anggiat Simanjuntak Juliyah Emka Kadek Ira Maresa Kartika, I Wayan Darya Ketut Tika Suariningsih Kindy Nurrani Annisa Komang Kerta Sanjaya Lingga Nurmalasari Made Ayu Pratiwi Made Ayu Pratiwi Made Octiya Arimardewi Mahfud Samdani Maria Angelina Vicario Tonga Mawardi Labbaik Mu'tasim Billah Muhammad Alfiansyah Mahmud Muhammad Rizky Asvin Muhammad Sulthon Subekhi Ni Kadek Dwi Widyanti Putri Ni Komang Ayu Sukawati Ni Luh Intan Kartika Sari Ni Made Ernawati, Ni Made Ni Putu Diah Kusumawati Ni Putu Putri Wijayanti Ni Putu Suci Mardani nyoman anisa Pande Adhitya Prabhuwinata Pande Gde Sasmita Julyantoro Pande Kadek Ari Iswari Putu Roni Graha Persada Rani Ekawaty Ribka Evanzelina Laia Sherina Oktafianti Siti Zubaidah Suprabadevi Ayumayasari Saraswati Suprabadevi Ayumayasari Saraswati Suprabadevi Ayumayasari Saraswati Suprabadevi Ayumayasari Saraswati Wayan Putri Prakanti Karya Wenny Aberti Manurung Wisnu Kawirian Yessica Christin Yohana Christanti Ndale Yuli Ananda Yulihatul Meisaroh

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