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All Journal Gema Agro AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) East Asian Journal of Multidisciplinary Research (EAJMR) Asian Journal of Community Services (AJCS) Community Services Journal (CSJ)

Dewa Gede Semara Edi

Program Studi Manajemen Sumber Daya Perairan, Fakultas Pertanian, Universitas Warmadewa

Author-ID : 4073829

Agriculture, Biological Sciences & Forestry Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Industrial & Manufacturing Engineering Social Sciences

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Title

Potensi Pengembangan Budidaya Rumput Laut Eucheuma Cottonii Di Kawasan Perairan Kelurahan Serangan Kota Denpasar Berbasis Sistem Informasi Geografis I Wayan Sri Adi Wiryana; Dewa Gede Semara Edi; I Made Kawana
GEMA AGRO Vol 23 No 1 (2018)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Distric of Serangan in Denpasar City Bali Province is an area that has economic, social and ecological value that is very meaningful for the survival of the surrounding community. Considering the potential of seaweed cultivation of Eucheuma cottonii that is not yet optimal in Serangan Village area, it needs to be optimized to measure the potential of seaweed cultivation, to map and determine the location of the potential of seaweed cultivation, to make recommendation of potential sea cultivation location. This research aims (1) To know the potential of seaweed cultivation in Serangan urban area, Denpasar City; (2) To be able to know the area for the development of seaweed cultivation which is potential in Serangan Urban Village Denpasar area. The process of determining the suitability of the area is done by using spatial operation by utilizing GIS application. The method of determining the research point for field observation is done by purposive random sampling, where the determination of research point is done deliberately based on certain considerations. Considerations taken include the current location of cultivation areas, the ideal seaweed cultivation criteria, transportation, safety of researchers, time and cost. All the data collected from the field is analyzed digitally using software QGIS 2.14.0 and Cygwin64 Terminal with interpolasi technique. The result of this research shows that the potential of seaweed cultivation of Eucheuma cottonii in Eucheuma cottonii seaside area is 873,400 sqm. The potential area for the development of seaweed cultivation of Eucheuma cottonii in Serangan Village area of 873,400 sqm if the utilization is 30% of the proper location, then the area that can be used is 262.020 m2, now has been utilized for the cultivation of seaweed Eucheuma cottonii covering 27,488 m2 so that the remaining potential areas to be developed as the location of seaweed cultivation Eucheuma cottonii covering an area of 234,531 m2.

Analisis Status Trofik Dan Struktur Saprobik Fitoplankton Di Bendungan Telaga Tunjung, Kabupaten Tabanan, Bali I Gede Pransidi; Ni Made Darmadi; I Wayan Arya; Dewa Gede Semara Edi; I Made Kawan
GEMA AGRO Vol 25 No 1 (2020)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Plankton is instrumental in the aquatic ecosystem, plankton can be an indicator of fertility and pollution. The quality of a water especially the flooded waters can be determined based on the fluctuations of the plankton population that will affect the trophic levels of the waters. The quality of a water can be measured by knowing the value of the Saprobic Index (SI). The Saprobic index is an index that closely relates to the pollution level. This research aims to determine the level of fertility and pollution levels in the waters of Telaga Tunjung Dam, based on the status of Trophic and Saprobic's structure of Phytoplankton, knowing the relationship (linkage) of trophic status and structure Saprobic phytoplankton with variable water quality in Telaga Tunjung Dam. The methods of study used are descriptive methods of case study. The research was conducted on five stations with four repetitions. Plankton sampling performed actively using plankton net with mesh size 60 μm diameter 25 cm. Based on the results of the status of the trophic waters in Telaga Tunjung Dam is at the head of high Water Fertility (Eutrofik). The pollution level is mild to moderate water with a saprobic index from 0,739 to -0,583. The trophic level relationship and the saprobic structure with the water quality variable show that good water quality affects the abundance of high phytoplankton and mild to moderate pollution levels.

Pengaruh Pemberian Kombinasi Pakan Pelet Dan Pakan Alami Terhadap Pertumbuhan Benih Ikan Gabus (Channa striata) Agus Juliantara; Dewa Gede Semara Edi; I Made Kawan
GEMA AGRO Vol 25 No 2 (2020)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Snakehead fish (Channa striata) is a freshwater fishery commodity in Indonesia which has a high protein content. Many studies on the benefits of snakehead fish have resulted in an increase in the amount of demand for these fish. One of the production factors that support fish farming is feed. The snakehead fish seeds have an average length of 2 cm, with rudimentary digestive organs. Therefore, the most suitable feed as seed feed is natural food. Commonly used natural feed is water fleas (Daphnia sp.) and silk worms (Tubifex sp.). This study aims to determine the effect of a combination of feed on the growth of snakehead fish seeds and to determine the combination of feed that gives the highest growth in snakehead fish seeds. This research was conducted at the Fisheries Resources Development Laboratory, Warmadewa University for 60 days, from March to April 2020. The method used in this study was an experimental study using a completely randomized design (CRD) with six treatments and three replications. The analysis used in this study was Analysis of Variance (ANOVA), and continued with the Least Significant Difference (LSD) test. The results showed that there was an effect of combination feeding on the growth of snakehead fish as indicated by the increase in absolute weight and length. And the sixth treatment is a combination of feed that provides the highest growth in snakehead fish seeds.

Pengaruh Pemberian Pakan Yang Berbeda Terhadap Pertumbuhan Dan Sintasan Juvenil Udang Galah (Microbachiium Rosenbergii De Man) Luh Saras Maheswari; Dewa Gede Semara Edi; I Made Kawan
GEMA AGRO Vol 27 No 1 (2022)
Publisher : Fakultas Pertanian, Universitas Warmadewa

The gaff (macrobrachium rosenbergi DE man) is a type A highly cultivated freshwater shrimp that is kept in freshwater pools, lakes, and even in the ebb and flow of upstream and downstream. The stick shrimp has a larger size than other freshwater shrimps, which are relatively slow, so it takes a natural expert to increase growth and survive the natural food-fodder fodder worms that are used in Hong Kong worms and silk worms. The study is aimed at seeing how different types of feeding different types affect the growth and survival of the spear shrimps. This research was done in br. The full - time ministry of October 2020 to November 2020. The method used in this study is an experimental method with a full random design study (ral) With 5 (5) treatment and 3 (3) times deuteronomy. Analyze which Used in the study is a variable analysis (anova), and followed by UI BNT Studies have shown that there has been an effect of feeding on the growth and survival of the spear's prawn, an increase in absolute weight and absolute length Juvenile spear shrimp.

Pengaruh Pemberian Tepung Maggot Terhadap Pertumbuhan Dan Tingkat Kelulushidupan Kepiting Bakau (Scylla serrata) Di Area Ekowisata Wanasari, Tuban, Bali I Made Takuma Wira Putra; Dewa Gede Semara Edi; I Made Kawan
GEMA AGRO Vol 27 No 2 (2022)
Publisher : Fakultas Pertanian, Universitas Warmadewa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22225/ga.27.2.5394.87-95

Salah satu faktor terpenting dalam usaha budidaya kepiting bakau (Scylla serrata) adalah pakan. Pakan kepiting harus memiliki kandungan nutrient yang sesuai dengan kebutuhan kepiting, seperti protein, karbohidrat, lemak, vitamin, dan mineral, yang mana sumber nutrient ini dapat berasal dari bahan alami seperti tepung maggot BSF. Tepung maggot dapat menjadi pakan alternatif dikarenakan maggot BSF tidak membawa maupun menjadi agen penyakit, serta maggot mengandung kadar protein yang cukup tinggi, berkisar antara 40% - 50%. Penelitian ini bertujuan untuk mengetahui pengaruh pemberian persentase tepung maggot sebagai pakan pengganti terhadap pertumbuhan dan tingkat kelulushidupan kepiting bakau. Penelitian ini dilaksanakan pada bulan Maret hingga Mei 2021, di area Ekowisata Kelompok Nelayan Wanasari Tuban, Bali. Metode yang digunakan dalam penelitian ini adalah metode eksperimen dengan rancangan penelitian Rancangan Acak Lengkap (RAL). Data yang diperoleh dianalisis dengan menggunakan analisis ragam ANOVA yang dilanjutkan dengan uji BNT. Hasil penelitian menunjukkan bahwa pemberian persentase tepung maggot berpengaruh terhadap pertumbuhan bobot kepiting bakau, akan tetapi tidak berpengaruh terhadap tingkat kelulushidupan kepiting bakau.

Co-Authors Agus Juliantara Dewa Nyoman Sadguna Hitler Sumah I Gede Pransidi I Gusti Made Arjana I Kadek Riko Adi Antara I Made Kawan I Made Kawan I Made Kawan I Made Kawana I Made Takuma Wira Putra I Wayan Arya I Wayan Sri Adi Wiryana I Wayan Sudiarta Luh Saras Maheswari Ni Made Darmadi Ni Made Dermadi Sang Ayu Made Putri Suryani

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