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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Gema Agro AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Formosa Journal of Sustainable Research (FJSR) Asian Journal of Community Services (AJCS)

I Wayan Arya, I Wayan

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Author-ID : 632029

Agriculture, Biological Sciences & Forestry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Education Energy Engineering Environmental Science Industrial & Manufacturing Engineering Social Sciences Transportation

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Studi Struktur Komunitas Fitoplankton Di Danau Batur, Kecamatan Kintamani, Kabupaten Bangli, Provinsi Bali Nirasari, Komang Gustika; Arya, I Wayan; Suryani, Sang Ayu Made Putri
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Lake Batur is the largest lake in Bali with many activities surrounding that will have great impact on fertility of the lake. One key factor in the fertility of the lake is phytoplankton. Abundance of phytoplankton in the waters affected by several environmental parameters. This research was conducted at Lake Batur, Kintamani district, Bangli Regency, in February 2014. Study is to measure the composition, abundance, diversity, uniformity and dominance of phytoplankton in the waters, measuring parameters and aquatic physical chemistry. The diversity of phytoplankton species found in Lake Batur are 5 class consists of 20 genera. Phytoplankton abundance ranged from 232370-336325 ind/l are eutrophic lake. Phytoplankton diversity index were included in diversity, uniformity index is included in the low uniformity, dominance index showed no dominance. Physical and chemical parameters of water still shows a good value so that the waters of Lake Batur contamination has not occurred.

Diagnosa, Analisis dan Identifikasi Parasit yang Menyerang Ikan Nila (Oreochromis Niloticus) Pada Kawasan Budidaya Ikan Di Subak âBaruâ Tabanan Wirawan, I Kadek Adi; Suryani, Sang Ayu Made Putri; Arya, I Wayan
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Fish cultivation business is one of the very promising business with the increasingly cheap demand of fishery products in the community. So is the case with the cultivation of Tilapia fish. Aquaculture is not spared from various obstacles and problems that often hamper fish farming is the occurrence of disease attacks. Tilapia fish Who was attacked The disease starts with by showing signs of behavioral changes. In addition to the behavior, tilapia also experience a change in color that looks very clear difference compared to fish that are still healthy. Calculation of condition factors, from the three sampling sites average fish is in poor condition indicating that most of fish in pond cultivation have decreased condition that reach 60-90%, caused by disease / phatogen factor or environmental factor not good.The results of the laboratory analysis found six (6) parasites that infect tilapia: Dactyloyrus sp, Gyrodactylus spp, Tricodina sp, Vortycella sp, Oodinium sp, and Saprolegnia sp. Water quality is less good in the cultivation are resulted in the decreased condition of fish and support well the development of various types of parasites.

Analisis Tingkat Pencemaran Air Sungai Yeh Sungi di Kabupaten Tabanan Dengan Menggunakan Indikator Biologis NVC Ikan dan Keragaman Jenis Makrozoobenthos Sedana, I Gusti Made Arya; Darmadi, Ni Made; Arya, I Wayan
GEMA AGRO Vol 23, No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Water is a major component of life processes on earth, good quantity and quality of water is highly coveted by humans. River as one type of waters and become a living medium for aquatic organisms, to measure the level of water pollution one of them by using bioindicator method. Bioindicators are organisms that have biological responses that can indicate the entry of certain pollutants in the environment. The purpose of this research is to know river pollution based on Nutrition Value Coeficient (NVC) fish and Makrozoobenthos that live in it. The value of NVC (Nutrition Value Coefficient) of fish varies on each station in the downstream and upstream segments of the Yeh Sungi river, this illustrates that at each station and on different river segments shows different levels of pollution. Waters with clean categories up to the contaminated waters will be found larvae insect , insects and snails. So on headwaters with macrozoobenthos conditions like this describe the condition of clean waters up to be contaminated, so if associated with the value of NVC fish then the headwaters of Yeh Sungi including the contaminated waters category.

Studi identifikasi keragaman jenis, feeding habit dan food habit ikan demersal pada bagian hilir sungai yeh sungi, Tabanan, Bali. Parka Yudha, I Gusti Ngurah Alit; Arya, I Wayan; Suryani, Sang Ayu Made Putri
GEMA AGRO Vol 23, No 2 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

This study aims to determine the diversity of demersal fish and feeding habits and food habits of demersal fish found in the lower reaches of the Yeh Sungi River. This research was carried out in the lower reaches of the Yeh Sungi River, Tabanan, Bali. This research began on April 17, 2016 until May 1, 2016. The research method used is descriptive exploratory method, namely by conducting a series of sampling activities of demersal fish species to identify the diversity of species and behavior (feding habit) of each type of demersal fish, as well as the food habit of each type of demersal fish. The results of the research on the diversity of demersal fish that have been found in the lower reaches of the Yeh Sungi River are quite diverse, based on the results of the study which captured 14 types of demersal fish in the lower reaches of the Yeh Sungi River. Feeding habits of 14 species found in demersal fish have nocturnal properties, by identifying the physical characteristics of demersal fish, especially in the form of mouths and fins, knowing some types of demersal fish that have adhesive fins prove that the fish look for food by attaching (passively) to the substrate of river rocks and tend to eat moss and detritus and are omnivorous. Demersal fish that do not have adhesive fins tend to be carnivorous and omnivorous, often looking for food by grabbing their prey, especially on the sand substrate on the riverbed. According to the results of analysis of abdominal surgery from 14 types of demersal fish found, 10 body cut objects from macrozoobenthos animals or food habits both intact and destroyed which were then matched with macrozoobenthos data which had previously been found on the bottom substrate downstream of the River. Yeh Sungi, the body pieces are white worms, red worms, silk worms / Tubifek sp, subsequent snails, small shrimp, short snails, dragonfly larvae, insects, detritus and moss.

Co-Authors Abdulah, Faihana Ching Adi, Semara Andriani, A.A.S. Putri Risa Andriani, A.A.S.Putri Risa Andriani, A.A.Sg.Putri Risa Dewa Nyoman Sadguna, Dewa Nyoman Edi, D.G.Semara Faudzi, Norfazreena Mohd Gede, Dewa I G A G Suryanegara, I G A G I Gusti Ayu Dewi Seri Rejeki, I Gusti Ayu Dewi Seri I Made Kawan, I Made I Made Suparta Leba, Meriana Kasi M Parwita, I Gst. Lanang Ni Made Darmadi Nirasari, Komang Gustika Parka Yudha, I Gusti Ngurah Alit Pratama, G.A Surya Pratama, Gede Agus Surya Pratama, I Gede Agus Surya Ramia, I Nyoman Rejeki, I G.A.D. Seri S.A.M.Putri, Suryani Sadguna, D.N. Sang Ayu Made Putri Suryani, Sang Ayu Made Putri Sedana, I Gusti Made Arya Sudiarta, I. Gede Suriadi, Gede Dabdab Suryani, S.A.M. Suryani, S.A.M. Putri Suryani, S.A.M.P. Wibawa, I Gede Sastra Wiraga, I Wayan Wirawan, I Kadek Adi Zamri, Sharil Fadli Mohamad

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