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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 Current Trends in Aquatic Science Journal of Aquaculture and Fish Health
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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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).
Korelasi Jenis Kelamin Ikan dengan Jumlah Endoparasit pada Ikan Layur (Trichiurus lepturus) yang diperdagangkan di Pasar Ikan Kedonganan, Bali Ni Luh Putu Ayu Puspita Dewi; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti; Endang Wulandari Suryaningtyas
Bumi Lestari Journal of Environment Vol 23 No 2 (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.i02.p10

Abstract

Swordfish (Trichiurus lepturus) with the local name Layur is one of the demersal fish commodities that has high economic value because it is an export commodity with high omega 3 content.. The high demand for layur fish must be supported by good fish quality and quality. The quality control is needed related to fish diseases, one of which is fish parasites. Endoparasite infection in marine fish can be zoonotic and dangerous if consumed by humans. This research was conducted to determine the intensity, prevalence, abundance and correlation of fish sex with the number of endoparasites. The research sample was obtained from the Kedonganan Fish Market, Bali which was held from September 2022 to November 2022. The sampling method was carried out by purposive sampling by paying attention to the secondary sexual characteristics of the swordfish. The total sample of fish examined was 36 fish consisting of 18 male fish and 18 female fish. Endoparasites of the genus Acanthobothrium were parasites with the highest intensity and abundance values, namely 46.05 ind./fish and 28.14 ind./fish, while the highest prevalence value was obtained from the Genus Lecithochirium of 86.11%. The correlation between fish sex and the number of endoparasites was analyzed using the Mann – Whitney test with an Asymp value. Sig 0.506 and Z value -0.665. These results showed an insignificant relationship (p > 0.05) between the sex of the fish and the number of endoparasites in the whitefish that were sampled in this study. Keywords: Endoparasites; Gender; Number of Parasites; Trichiurus lepturus
Pemanfaatan Langsung Tanaman Kayu Apu Dadak (Azolla pinnata) Sebagai Pakan Tambahan pada Budidaya Ikan Nila (Oreochromis niloticus) Ni Putu Sandhitya Candra Kartina; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Bumi Lestari Journal of Environment Vol 23 No 2 (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.i02.p07

Abstract

Tilapia is a type of fish favored by freshwater fish consumers because it is easy to cultivate. The problem faced in freshwater fish farming activities is the high price of artificial feed. To deal with these problems, alternative feeds are needed to reduce the use of artificial feeds such as sudden apu wood (Azolla pinnata). This study aims to determine the effectiveness of the sudden apu wood (Azolla pinnata) on the growth and survival of tilapia (Oreochromis niloticus) and to help fish farmers reduce the use of artificial feed. The research method used is an experimental approach method. The experimental design in this study was a Randomized Block Design (RAK) which consisted of 3 treatments with 3 replications. Treatment A (direct feeding of 100% Azolla pinnata plants), Treatment B (direct feeding of 50% Azolla pinnata plants and 50% pellets), and Treatment C (100% pellet feeding). The results showed the absolute weight growth of treatment A 12.18±5.66 g, treatment B 17.73±4.40 g, treatment C 24.53±3.80 g. The absolute length growth of treatment A was 2.22 ± 0.60 cm, treatment B 2.54 ± 0.40 cm, treatment C 3.50 ± 0.37 cm. The survival rate of treatment A was 66.67±11.54%, treatment B and treatment C were 100±0%. Feed conversion ratio (FCR) for treatment A 4.8±2.28, treatment B 2.1±0.45, treatment C 1.7±0.17. The water quality of the three feeding treatments had no significant effect on pond water quality and was still within the optimal range for tilapia growth and cultivation.
Pola pertumbuhan rumput laut (Eucheuma cottonii) yang menggunakan kantong dan tanpa kantong di perairan pantai Geger, Nusa Dua, Bali Made Tri Loka; Ayu Putu Wiweka Krisna Dewi; Ni Putu Putri Wijayanti
Jurnal Biologi Udayana Vol 27 No 2 (2023): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBIOUNUD.2023.v27.i02.p01

Abstract

Penelitian ini dilakukan untuk mengetahui pola pertumbuhan rumput laut (Eucheuma cottonii) yang menggunakan kantong dan tanpa kantong di perairan pantai Geger pada bulan Oktober-November 2022. Pengambilan data dilakukan seminggu sekali selama 6 minggu penelitian. Metode budidaya yang digunakan dalam penelitian ini adalah metode lepas dasar dengan perlakuan menggunakan kantong dan tanpa kantong (konvensional). Penelitian ini di rancang dengan menggunakan Rancangan Acak Lengkap (RAL). Untuk mengetahui data SGR (laju pertumbuhan berat per hari) dapat dianalisis menggunakan uji One Way Anova, dengan tingkat signifikan 5% dari hasil analisisnya yaitu 95%. Uji statistik dibantu dengan menggunakan software SPSS PC. var 25.0. Hasil penelitian ini menunjukkan bahwa pertumbuhan rumput laut pada penggunaan kantong lebih tinggi dari tanpa kantong. Berat rumput laut pada penggunaan kantong di minggu ke-6 sebesar 666 g dan tanpa kantong di minggu ke-6 hanya sebesar 375 g. Specific Growth Rate (SGR) pada penggunaan kantong sebesar 5,53%/hari sedangkan perlakuan tanpa kantong sebesar 2,12%/hari. Hal ini terjadi karena banyak rumput laut yang patah akibat arus dan dimakan oleh predator pada perlakuan tanpa kantong. Parameter kualitas air yang diukur selama penelitian mendapatkan kisaran hasil yang sesuai untuk pertumbuhan rumput laut yaitu, suhu 26,7-30ºC, salinitas 31-35 ppt, pH 7,1-8,0, DO 5,9-6,7 mg/L, nitrat 0,034-0,057 mg/L, fosfat 0,011-0,066 mg/L, kecepatan arus 0,31-0,50 m/s dan kecerahan 60-107 cm. Nilai pengukuran nitrat dan fosfat di perairan Pantai Geger tergolong rendah namun masih dapat mendukung dalam kegiatan budidaya rumput laut. Pertumbuhan rumput laut pada penggunaan kantong lebih baik dari pada tanpa kantong dengan selisih berat sebesar 291 g pada akhir penelitian. Hasil ini masuk kategori baik dalam budidaya rumput laut.
Analisis kondisi padang lamun di Gili Balu, Sumbawa Barat Natasya Caterina; Made Ayu Pratiwi; Ni Putu Putri Wijayanti
Jurnal Biologi Udayana Vol 28 No 1 (2024): JURNAL BIOLOGI UDAYANA
Publisher : Program Studi Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JBIOUNUD.2024.v28.i01.p08

Abstract

Penelitian dilakukan pada komunitas padang lamun di Pulau Belang, Pulau Paserang, Pulau Kenawa, dan Pulau Namo yang berlokasi di Gili Balu, Sumbawa Barat. Pengambilan data secara eksplorasi dilakukan pada bulan Januari 2022 dan pengolahan data dilakukan pada bulan Oktober hingga Desember 2022. Prosedur pengambilan data yang digunakan adalah prosedur pemantauan kondisi padang lamun menggunakan metode transek garis dan transek kuadrat yang mengacu pada Buku Panduan Pemantauan Padang Lamun LIPI. Pengambilan data dilakukan pada stasiun dengan membentangkan transek garis sepanjang 100 m dan transek kuadrat diletakkan di kanan transek garis. Pemantauan dilakukan per 10 m dan dilakukan hingga titik 100 m. Pengambilan data diulang sebanyak 3 kali Pengolahan data dilakukan untuk mendapatkan kategori dan kondisi padang lamun yang dibandingkan dengan kategori tutupan padang lamun oleh Buku Panduan Pemantauan Padang Lamun LIPI dan parameter kondisi padang lamun oleh Keputusan Menteri Lingkungan Hidup No. 200 Tahun 2004. Penelitian ini ditemukan lamun pada 2 stasiun kategori jarang yaitu Pulau Namo dan Kenawa dan 4 stasiun berkategori sedang yaitu Pulau Paserang, Pulau Belang bagian Barat Laut, Pulau Belang bagian Selatan dan Pulau Belang bagian Timur. Kategori penutupan baik diperoleh oleh stasiun Pulau Belang bagian Barat. Komunitas padang lamun yang tergolong dalam status kondisi padang lamun rusak dan miskin adalah Pulau Namo, Pulau Kenawa, dan Pulau Belang bagian Barat Laut. Pulau Paserang dan Pulau Belang bagian Selatan dan Timur tergolong dalam status kondisi padang lamun rusak dan kurang Sehat. Pulau Belang bagian barat tergolong dalam status kondisi padang lamun baik dan sehat.
Konsentrasi Logam Berat Timbal (Pb) dan Kadmium (Cd) di Perairan Pelabuhan Benoa Denpasar Doni Samuel Barus; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Current Trends in Aquatic Science Vol 7 No 1 (2024)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Abstract

Benoa Port is one of the public ports as well as a special export fishing port. The existence of transportation activities at Benoa Port is indicated to have an indirect pollution impact on the waters, so that research related to the heavy metal content of lead (Pb) and cadmium (Cd) in water and water quality conditions in the waters of Benoa Port Denpasar is important to do. Water sampling was carried out at Benoa Port, then the samples were analyzed at the Analytical Laboratory of Udayana University from June-July 2023.The tested water samples were taken from 3 points with 3 repetitions at each point. Point 1 is at the port entrance, point 2 is at the port of the fishing town and point 3 is at RTH Taman Segara. Data from the study was obtained that the highest Pb value was at point 2, which was 0.1 mg/l and the Cd value was 0.054 mg/l. At point 3 the Pb value is 0.025 mg/l and the Cd value is 0.018 mg/l, and the lowest is found at point 1 with a Pb value of 0.02 mg/l and a Cd value of 0.016 mg/l. Water quality parameters measured include temperature, pH, Dissolved Oxygen (DO), and Total Dissolve Solids (TDS). The highest temperature value is found at point 2 of 29.8oC while the lowest temperature value is found at point 1 with a value of 28.6oC.
Pengaruh padat tebar berbeda terhadap pertumbuhan, kelangsungan hidup, dan efisiensi pakan juvenil udang vaname (Litopenaeus vannamei) Kadek Bayu Candra Gotama; Pande Gde Sasmita Julyantoro; Ni Putu Putri Wijayanti
Current Trends in Aquatic Science Vol 7 No 1 (2024)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Abstract

Vaname shrimp (Litopenaeus vannamei) has advantages, such as being more responsive to feed, resistant to diseases and poor environmental conditions, fast growth, high survival rate, and high stocking density. This study aims to examine the effects of different stocking densities on the growth, survival rate, and feed efficiency of vaname shrimp. Vaname shrimp (±0.6 g/shrimp). were stocked in fiber tanks with a volume of 500 liters and filled with seawater with a salinity of 35 ppt. This study used an experimental method with 3 different stocking density treatments: 200 individual/m3 (A), 400 individual/m3 (B), and 600 individual/m3 (C), repeated three times per treatment. The shrimps were cultivated for 60 days and fed at a rate of 5% of their body weight/day four times a day. The results showed that average growth shrimp in treatment A, B, and C were 12.10 g, 10.14 g, and 7.37 g, respectively. The survival rate of shrimp in the treatmen A. B, and C were: 72%, 46,3%, and 56%, respectively. The FCR in the treatment A, B, and C were 0.95; 1.4; and 1.26. One Way ANOVA statistical analysis indicated significant differences (P<0,05) between treatments A dan C in terms of mean body weight growth, as well as between treatments A and B in terms of FCR. This study indicated that different stocking densities affect the growth, survival rates, feed efficiency, and water quality of vaname shrimp.
Effect of vitamin C supplementation on the survival rate and histopathological changes of gills and kidneys of tilapia (Oreochromis niloticus) infected by Aeromonas hydrophylla Dewa Ayu Angga Pebriani; I Ketut Wija Negara; Ni Putu Putri Wijayanti; Sudaryatma, Putu Eka; Putu Angga Wiradana
Journal of Aquaculture and Fish Health Vol. 13 No. 2 (2024): JAFH Vol. 13 No. 2 June 2024
Publisher : Department of Aquaculture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jafh.v13i2.43897

Abstract

This study was conducted to determine the effect of vitamin C supplementation on the survival rate and histopathological changes of gills and kidneys of tilapia infected by Aeromonas hydrophila. Three doses of vitamin C were tested (150; 300; and 450 mg/kg) with two control groups. Tilapia with uniform size (average weight of 14 grams) as the criteria for inclusion were randomly distributed in five ponds with 15 tilapia fish per ponds. Tilapia was fed with hands until full for two weeks. Tilapia was then infected with A. hydrophila to find out the survival rate and histopathological changes of gills and kidneys at the end of the experimental period or 7 days after infection. The supplementation of 150 mg/kg vitamin C in feed increased the survival rate (%) in Tilapia by 86.67% or higher than other treatment and control groups. The damage to gills in terms of lamella separation was found in all treatment groups, as well as kidneys. The results found that the supplementation of 150 mg/kg vitamin C in feed increased survival rate but did not give effective protection on gills and kidneys.
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 Angga Wiradana Putu Eka Sudaryatma Putu Eka Sudaryatma Romlah Setiawati Suprabadevi Ayumayasari Saraswati Suprabadevi Ayumayasari Saraswati Suprabadevi Ayumayasari Saraswati Wayan Putri Prakanti Karya Yohana Christanti Ndale