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All Journal Journal of Marine and Aquatic Sciences Buletin Udayana Mengabdi E-Journal Of Animal Science Udayana University Jurnal Biologi Udayana Bumi Lestari Ecotrophic, Journal of Environmental Science SIMBIOSIS Current Trends in Aquatic Science Advances in Tropical Biodiversity and Environmental Sciences
Ni Putu Putri Wijayanti
Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan Dan Perikanan, Universitas Udayana, Badung, Bali-Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Education Energy Environmental Science Veterinary Other

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Quality of Chaetoceros calcitrans Cultured with Different Concentrations of Potassium Nitrate (KNO3) Alfarisi Prafanda; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Advances in Tropical Biodiversity and Environmental Sciences Vol 4 No 1 (2020): ATBES
Publisher : Institute for Research and Community Services Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (593.037 KB) | DOI: 10.24843/ATBES.2020.v04.i01.p02

Abstract

Addition of different fertilizer concentrations into cultivation media affects the cell density of microalgae. Potassium nitrate (KNO3), is one of the components in Guillard fertilizer composition commonly used for microalgae culture. This study aims to determine the quality of Chaetoceros calcitrans when cultured with different concentration of KNO3. This research was conducted from November 2019 to January 2020 at Balai Perikanan Budidaya Air Payau (BPBAP) Situbondo and Biosain Laboratory, Jember State Politeknik, East Java. This study consists of four treatments and three replicates. The object in this study was C. calcitrans culture with initial density 105 cells/ml. The main parameters observed were cell density, biomass, protein and amino acids contents and medium parameters such as temperature, pH, DO, salinity, nitrate and phosphate. There were four concentrations of KNO3 used in this study, namely control (75 g/l), treatment Group A (100 g/l), treatment B (125 g/l) and treatment C (150 g/l). The results showed that the cells density of C. calcitrans at control, treatment Group A, B and C were 110.4; 105.2; 108.3; and 100.8 (×104 cells/ml), respectively. This study indicated that different concentration of KNO3 affect the starting point of stationary phase, but One Way ANOVA test showed that those treatments had no significant effect (P?0,05) on the growth rate and dry biomass of C. calcitrans. Finally, we found that the protein content in addition of 75, 100, 125 and 150 g/l KNO3 were 9.748; 8.802; 6.812; and 3.776%, respectively.
Strategi Pengembangan Investasi Di Pelabuhan Perikanan Nusantara (PPN) Pengambengan, Bali I Ketut Wija Negara; Dewa Ayu Angga Pebriani; Ni Putu Putri Wijayanti; Andi Mannojengi; Bagus Sudananjaya; Kadek Adi Chandra Kusuma
Journal of Marine and Aquatic Sciences Vol 8 No 1 (2022)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/jmas.2022.v08.i01.p02

Abstract

The construction of a fishing port has been able to have an impact on growth in the economic sector in the fishery sector, economic growth which can directly improve the welfare of the fishing community. The purpose of this research is to be able to plan a strategy that must be implemented by the manager of the PPN Pengambengan to encourage the business development of service users in the PPN Pengambengan. The benefits obtained from this research are, to be able to improve the function of the PPN Pengambengan in serving the needs of coastal communities, fisher, the fishing industry, and other agencies so that they can directly develop the potential of resources around the port area both socially and economically. Data analysis in this research uses SWOT analysis with the stages of determining IFAS and EFAS, Matrix, SWOT Quadrants. The results of the study get an IFAS value of 0.34 (x), and an EFAS value of – 0.02 (y), where the value is in the Diversification Strategy position or using the ST strategy. The strategies offered for investment development in PPN Pengambengen are in the Diversification Strategy (ST) quadrant position, namely; transfer of fishing technology, controlling the loading and unloading process through improving K5 performance, special land for SPBN refueling, and expansion of road infrastructure for the fisheries industry to be adequate for the mobilization.
Laju Pertumbuhan dan Kelulushidupan Ikan Lele Dumbo (Clarias gariepinus) dengan Padat Tebar Berbeda dalam Sistem Bioflok Dian Kharisma Ginting; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Current Trends in Aquatic Science Vol 5 No 1 (2022)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Abstract

Biofloc technology is used to overcome the increase in organic matter, improve the quality of aquaculture water, and increase production yields. This study aims to determine the growth rate and survival rate of African catfish with different stocking densities in the biofloc system. This study used a completely randomized design (CRD) with 3 treatments and 5 replications. The test animals used African catfish measuring 7-9 cm with a stocking density of A (15 ind/15L), B (20 ind/15L) and C (25 ind/15L). The results showed that the use of a biofloc system in African catfish culture with different stocking densities resulted in no significant difference in growth rate, survival rate (SR) and feed conversion ratio (FCR). The average weight growth value of African catfish in treatment A, B, and C was 14,13 ± 2,26 g, 13,37±0,46 g, and 12,04±0,48 g, respectively. The average length growth in treatments A, B, and C was 6,27±0,54 cm, 6,09±0,31 cm, and 5,69±0,34 cm, respectively. The survival value (SR) of African catfish in treatment A, B, and C was 85,33±5,58%, 83±2,73%, and 82,40±2,19%, respectively. The value of the feed conversion ratio (FCR) in treatment A, B, and C was 0,72±0,08, 0,75±0,06, and 0,79±0,03, respectively. The range of values for the water quality parameters of the culture media is categorized as suitable for the growth of African catfish, resulting in temperature, DO, and pH value of 27,5-30,8°C, 3,9-5,9 mg/L, pH 6,20-6,45, respectively. The content of ammonia is 0,26-0,44 mg/L, nitrite is 0,08-0,18 mg/L and nitrate is 0,18-0,29 mg/L.
Pemberian Pelet FF-999 dengan Dosis Berbeda terhadap Pertumbuhan, Rasio Konversi Pakan dan Kelulushidupan Benih Ikan Nila (Oreochromis Niloticus) pada Sistem Batch Jefri Boy Pratama; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Current Trends in Aquatic Science Vol 5 No 1 (2022)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Abstract

The purpose of this study was to determine the effect of giving FF-999 pellets with different doses on growth, feed conversion ratio (FCR), survival rate (SR) and water quality of tilapia seeds. This research was conducted at the Fisheries Laboratory, Faculty of Marine Affairs and Fisheries, Udayana University from January-February 2021. Fish samples tested were tilapia seeds (Oreochromis niloticus) obtained from UD. Mina Karya Jaya, Karangasem, Bali. Feed used in this study was FF-999 pellets. Method used is an experimental using a completely randomized design with 5 treatments and 3 repetitions. Doses of feed given in this study were in treatment A was 1%, treatment B was 2%, treatment C was 3%, treatment D was 4%, and treatment E was 5%. Results of observations for 8 weeks showed the highest absolute length and weight growth was found in treatment E, was 4.50 cm and 4.34 g. Lowest feed conversion ratio was found in treatment C was 0.81. Highest survival rate was found in treatments C and D, was 73.33%. Results of statistical analysis One-Way ANOVAwith Duncan's follow-up test showed different treatments had significant effect on absolute length and absolute weight growth, survival rate tilapia (P<0.05) and had no significant effect on feed conversion ratio tilapia (P>0, 05). Water quality parameters measured include temperature, pH, Dissolved Oxygen (DO), ammonia, nitrate, nitrite, and phosphate in all treatments was still considered feasible for growth and survival of tilapia seeds (O. niloticus).
Respon Imun Ikan Nila (Oreochromis niloticus) Yang Terinfeksi Bakteri (Aeromonas hydrophila) Dengan Penambahan Vitamin C Pada Pakan Dewa Ayu Angga Pebriani; Ni Putu Putri Wijayanti; Putu Eka Sudaryatma; Octovianus Octovianus
Journal of Marine and Aquatic Sciences Vol 8 No 2 (2022)
Publisher : Fakultas Kelautan dan Perikanan Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/jmas.2022.v08.i02.p01

Abstract

Tilapia (Oreochromis niloticus) is one of the freshwater fish commodities with important economic value. However, in tilapia aquaculture, the emergence of disease was one of the problems that affect the quality and quantity of aquaculture production. One of the diseases that often appears was infection with Aeromonas hydrophila bacteria. This problem is expected to be overcome by giving vitamin C in fish feed. Through the provision of vitamin C, it will be able to increase the fish's immune system which is directly related to the fish's ability to prevent or treat disease attacks that arise, especially from Aeromonas hydrophila bacteria. The aim of this study was to determine the response of vitamin C to the immune system of fish infected with Aeromonas hydrophila so that the best dose was known that could be applied in the treatment of Aeromonas hydrophyla bacteria attack. The study was conducted using an experimental method with a completely randomized design (CRD) consisted of 2 controls, namely positive control and negative control, and 3 treatments with different doses of vitamin C. Based on the hematological test, the results showed that the content of white blood cells, red blood cells, and hemoglobin were still in the normal range for all treatments. Treatment E with a dose of 450 mg/kg vitamin C was able to increase the immune system of tilapia infected with Aeromonas hydrophila bacteria, shown from the content of white blood cells, red blood cells and hemoglobin in the highest treatment E compared to other treatments.
Pendederan Ikan Nila (Oreochromis niloticus) Tahap II Menggunakan Pakan Fermentasi dengan Agen yang Berbeda Annas Cesar Mayasha; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Current Trends in Aquatic Science Vol 5 No 2 (2022)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Abstract

Fermented feed application for fish nursery have been known could improve nutritional value, growth, and increase digestibility of cultured fish. The purpose of this study was to determine the effect of fermented feed with different fermentation agent on the performance of stage II tilapia nursery. The fermentation agent used in this study were fermipan containing 25 g/kg of yeast (Saccharomyces cerevisiae) and probio?7 containing 25 ml/kg of bacteria (Bacillus sp.). The study was performed by 3 treatments and 3 replications each treatment. The treatments were treatment A (control), treatment B (fermentation using S. cerevisiae 25 g/kg), and treatment C (fermentation Bacillus sp. 25 ml/kg). The observation for 2 months showed that the highest of specific growth rate of tilapia (Oreochromis niloticus) was found in treatment B with 5,12%/day, followed by treatment C (4,90%/day), and the lowest was treatment A (4,80%/day). The highest survival of tilapia (O. niloticus) was found in treatment B of 70%, followed by treatment C (63,33%), and the lowest was treatment A (60%). The results of the One-Way ANOVA statistical analysis with Duncan's post hoc test showed significantly different between treatments for the specific growth rate and survival of tilapia (P<0.05). The highest feed conversion ratio (FCR) was found in treatment A of 2,49, followed by treatment C (2,35), and the lowest was in treatment B (2,29). This FCR results were not significantly different between treatments (P>0.05). Water quality parameters measured include dissolved oxygen (DO), degree of acidity (pH), temperature, ammonia, nitrate, and nitrite were still within optimal range for Tilapia nursery culture.
Studi Kelimpahan dan Keanekaragaman Tumbuhan Air di Danau Tamblingan, Bali I Kadek Tobing Ascahya; I Wayan Arthana; Ni Putu Putri Wijayanti
Current Trends in Aquatic Science Vol 5 No 2 (2022)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Abstract

This research aimed to know the diversity abudance and water quality conditions of the life of aquatic plants in Lake Tamblingan. Sampling used methods of observation and purposive sampling. Analysis method used value of diversity indices and abudance. Aquatic plants discovered in Lake Tamblingan were 5 types, divided into 3 types of habitat, namely the type of free floating, floating leaved and emergent. Free float type (free floating) consists of Salvinia molesta, floating-leaved plants (floating leaved) consists of Myriophyllum aquaticum, Nymphoides indica plants sticking out (emergent) consists of Alternanthera philoxeroides, Persicaria decipiens. The highest diversity index value was in stations 3 (far from setlement) of 1,42. The highest abundance value of water plants found in station 2 (close to water recreation site) of 148,20 ind/m² with water plant species of Nymphoid indica. Water quality of DO, pH, Temperature, brightness, depth, nitrate and phosphate showed that the waters of Tamblingan Lake was still on the threshold for the growth of aquatic plants and the diversity was in the medium category.
Analisis Daya Dukung dan Kesesuaian Lingkungan Untuk Pengembangan Pariwisata Berkelanjutan di Pantai Lovina Buleleng, Bali Ni Putu Diah Kusumawati; I Wayan Restu; Ni Putu Putri Wijayanti
Bumi Lestari Journal of Environment Vol 23 No 1 (2023)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2023.v23.i01.p05

Abstract

Lovina Beach is one of the tourist attraction located in Kalibukbuk Village, Buleleng District, Buleleng Regency, Bali. Lovina Beach has coastal waters that are still very natural so that it has the potential to be used as an ecotourism area. Information regarding the carrying capacity and environmental suitability for the development of sustainable tourism in Lovina Beach has not been carried out. This study aims to determine the environmental conditions and carrying capacity, and the condition of tourist objects on Lovina Beach for the development of sustainable tourism. Data collection was carried out in January-February the a quantitative and qualitative descriptive method. Observations and measurements were carried out at three stations with different characteristics of the aquatic environment. The condition of the tourist attraction on Lovina Beach is still very natural with a very attractive beauty charm and is supported by other supporting service facilities. The condition of the tourism suitability index for the beach recreation category is included in the category according to the value of 2,4 at stations 1 and 2, and the category is very in accordance with the value of 2,7 at station 3, while the carrying capacity of the area is obtained with a value of 2.291 people/day. The direction of developing tourist areas is to promote through social media and improve infrastructure at Lovina Beach. Keywords: carrying capacity; tourism suitability index; Lovina Beach
Pertumbuhan dan Kelulushidupan Ikan Gabus (Channa striata) yang Diberi Pakan Maggot BSF (Hermetia illuences) I Made Angga Wahyu Dinata; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Bumi Lestari Journal of Environment Vol 23 No 1 (2023)
Publisher : Environmental Research Center (PPLH) of Udayana University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/blje.2023.v23.i01.p04

Abstract

Aquaculture is the fastest growing food production sector in the world. Snakehead fish (Channa striata) is one of the freshwater fish commodities in Indonesia which is still widely cultivated. Snakehead fish (Channa striata) is a fish that is economically feasible and has benefits that are beneficial to human health. This research was conducted in a period of 58 days aimed to determine the effect of feeding maggot BSF (Hermetia illuences) on the growth and survival of snakehead fish (Channa striata). The stocking density of fish in this study was 20 fish/pond, 3-4 cm in size fish obtained from cultivators in the Denpasar area, the pond used was made of tarpaulin with a size of 50×50 cm. This research used 3 treatments, treatments A (100% pellet), treatment B (100% BSF maggot), and treatment C (50% pellet + 50% BSF maggot) with 3 replications. Parameters observed in this study were specific growth rate, absolute length growth, survival rate, feed conversion ratio and water quality. The results of the research that have been carried out show that treatment C gave the highest yield on the specific growth rate, absolute length growth and survival rate of snakehead fish (Channa striata). The results of water quality measurements show that the temperature ranges from 29.32-30.18oC, pH values ??range from 6.50-5.52, and DO ranges from 2.79-2.90 mg/L, the water quality value is still in the optimum value range for maintenance of snakehead fish (Channa striata).
KEANEKARAGAMAN BURUNG AIR DI KAWASAN MANGROVE CENTER KAMPUNG BLEKOK, SITUBONDO, JAWA TIMUR Romlah Setiawati; Ni Luh Watiniasih; Ni Putu Putri Wijayanti
SIMBIOSIS Vol 11 No 2 (2023)
Publisher : Jurusan Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2023.v11.i02.p03

Abstract

Kawasan Mangrove Center Kampung Blekok adalah salah satu kawasan mangrove yang menjadi tempat habitat burung air di Situbondo, Jawa Timur. Keanekaragaman dan aktivitas burung air memiliki peran secara ekologis terhadap ekosistem serta dapat menjadi indikator kondisi lahan basah. Tujuan dilaksanakan penelitian ini adalah untuk mengetahui keanekaragaman jenis burung air dan aktivitas burung air yang mendominasi di kawasan tersebut. Pengamatan terhadap keanekaragaman burung air menggunakan teknik pengambilan data metode titik hitung sedangkan pada pengamatan aktivitas Bubulcus ibis menggunakan metode scan sampling yang dilakukan pada pagi hari pukul 06.00-08.00 WIB dan pada sore hari pukul 15.00-17.00 WIB. Terdapat delapan spesies burung air penghuni tetap dan satu spesies burung air migran. Burung air penghuni tetap tersebut adalah spesies Bubulcus ibis, Ardeola speciosa, Butorides striatus, Egretta garzetta, Egretta alba, Nycticorax nycticorax, Ardea purpurea, dan Tringa hypoleucos, sedangkan burung air migran tersebut adalah Himantopus leucocephalus. Indeks keanekaragaman di titik 1 dan titik 2 pengamatan digolongkan rendah yaitu sebesar 0,90 dan indeks keseragaman digolongkan ke dalam tingkatan sedang yaitu sebesar 0,41 dan 0,43. Hal tersebut disebabkan oleh faktor adanya spesies yang mendominasi. Aktivitas burung Bubulcus ibis di titik 1 didominasi aktivitas menyelisik bulu dengan persentase sebesar 47,15%, sedangkan di titik 2 didominasi aktivitas terbang dengan persentase 55,24%. Hal tersebut dikarenakan faktor perbedaan karakteristik tempat kedua titik pengamatan dan faktor pengaruh manusia.
Co-Authors Alfarisi Prafanda Ana Indriyanti Andi Mannojengi Annas Cesar Mayasha Ayu Putu Wiweka Krisna Dewi Bagus Sudananjaya Bedjo Slamet Dewa Ayu Angga Pebriani Dian Kharisma Ginting Doni Samuel Barus Endang Wulandari Suryaningtyas Fuad Hasin Ahmad Galang Alamin Trisnabatin Gebi Gresi Martina Panjaitan I G. Lanang Oka Cakra I Gede Mahardika I Gede Wahyu Surya Wirawan I Gede Yoga Vikannada Giri I Kadek Tobing Ascahya I Ketut Wija Negara I Komang Yopi Trio Santana I Made Angga Wahyu Dinata I Wayan Arthana I Wayan Restu Ima Yudha Perwira Jefri Boy Pratama Kadek Adi Chandra Kusuma Kadek Bayu Candra Gotama Kintanijaya Kintanijaya Made Ayu Pratiwi Made Tri Loka Natasya Caterina Ni Luh Putu Ayu Puspita Dewi Ni Luh Watiniasih Ni Made Ernawati, Ni Made Ni Putu Bella Yuliana Dewi Ni Putu Diah Kusumawati Ni Putu Sandhitya Candra Kartina Nita Hayani Br. Tarigan-Sibero nyoman anisa Octovianus Octovianus Pande Gde Sasmita Julyantoro Putra, I Nyoman Giri Putri Eka Cahyani Putu Eka Sudaryatma Romlah Setiawati Suprabadevi Ayumayasari Saraswati Suprabadevi Ayumayasari Saraswati Suprabadevi Ayumayasari Saraswati Wayan Putri Prakanti Karya Yohana Christanti Ndale