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Journal : Ecotrophic, Journal of Environmental Science

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (202.55 KB) | DOI: 10.24843/EJES.2017.v11.i01.p01

Abstract

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

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (183.045 KB) | DOI: 10.24843/EJES.2016.v10.i02.p06

Abstract

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.
PENILAIAN STATUS DOMAIN SUMBER DAYA IKAN LEMURU DENGAN PENDEKATAN EKOSISTEM YANG DIDARATKAN DI PPI KEDONGANAN, BALI Ketut Tika Suariningsih; I Wayan Restu; Made Ayu Pratiwi
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 15 No 2 (2021)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/EJES.2021.v15.i02.p08

Abstract

PPI Kedonganan is a fish landing base located in Kedonganan Village, Kuta District, Badung Regency. One of the fish commodities that landed at PPI Kedonganan is Lemuru Fish (Sardinella lemuru). The high rate of catching Lemuru must be balanced with proper management so that Lemuru Fish Resources remain sustainable. This study was conducted to determine the status of the utilization of Lemuru fish resources. The study was conducted from January 2021 to March 2021. Data collection was carried out by observation and interviews. Data analysis of each indicator was carried out using a multi-criteria analysis approach with composite index assessment and visualization by flag model. Indicators were observed the trends of fish size, the proportion of juvenile fish were caught, the species composition, range collapse of fish resources, Endangered, Threatened, and Protected species. The status assessment of the Lemuru resource domain which landed at PPI Kedonganan is in the good category with a composite value of 66.7. Results of the trend indicators of fish size is relatively fixed, the proportion of fish juvenile caught about 90%, the composition of species caught was 100% of the target fish i.e, lemuru that caught by using gill net, range collapse of fish resources as much as 57% of fishermen expressed relatively fixed in looking for fishing grounds, and ETP species not found. Keywords: EAFM; Lemuru Fish; Fisheries Management; PPI Kedonganan.
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 Nico Mulia Subekti nyoman anisa Pande Adhitya Prabhuwinata Pande Gde Sasmita Julyantoro Pande Kadek Ari Iswari Putu Roni Graha Persada Raihan Sulaiman Payapo 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