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All Journal METAMORFOSA Journal of Biological Sciences Journal of Marine and Aquatic Sciences Ecotrophic, Journal of Environmental Science ILMU KELAUTAN: Indonesian Journal of Marine Sciences BULETIN OSEANOGRAFI MARINA Sabda: Jurnal Kajian Kebudayaan Biota: Jurnal Ilmiah Ilmu-Ilmu Hayati JURNAL ENGGANO Jurnal Agroqua: Media Informasi Agronomi dan Budidaya Perairan Current Trends in Aquatic Science Bhakti Persada Jurnal Aplikasi IPTEKS Jurnal Bali Membangun Bali Sricommerce: Journal of Sriwijaya Community Services International Journal of Glocal Tourism International Journal of Science and Society (IJSOC) International Journal of Travel, Hospitality and Events International Journal of Green Tourism Research and Applications Pariwisata Budaya: Jurnal Ilmiah Pariwisata Agama dan Budaya Jurnal Sains Terapan Pariwisata Journal of Commerce Management and Tourism Studies Zoologi: Jurnal Ilmu Peternakan, Ilmu Perikanan, Ilmu Kedokteran Hewan AT-TAKLIM: Jurnal Pendidikan Multidisiplin Advances in Tropical Biodiversity and Environmental Sciences

Ni Made Ernawati, Ni Made

Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan Dan Perikanan, Universitas Udayana

Author-ID : 2950361

Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Library & Information Science Materials Science & Nanotechnology Medicine & Pharmacology Public Health Social Sciences Transportation Veterinary Other

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Kajian Kelimpahan Mikroplastik di Perairan Teluk Benoa Provinsi Bali Dimas Hafidh Nugroho; I Wayan Restu; Ni Made Ernawati
Current Trends in Aquatic Science Vol 1 No 1 (2018)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

Benoa Bay is one of the water areas with a fairly complex activity, ranging from benoa port activities, watersports tours, as well as activities from residential areas. The activity is thought to contribute to the pollution of marine debris on the bay of Benoa. The purpose of this study is to determine the type and abundance of microplastic contained in the waters of Benoa Bay, Bali. This study was conducted from March to May 2018. Microplastic sampling in water using 200 µm plankton net which was withdrawn for 10 minutes. Method microplastic sampling in sediments using a shovel. The results showed that there are 3 types of microplastic found in water and sediment of Benoa Bay waters are fragment, film, and fiber. The highest microplastic type in the waters comes from the type of fragment with an abundance of 0.26 particles / m³ found at station 3. The highest total microplastic abundance in the waters is present at station 3 with an abundance of 0.58 particles / m³. The highest microplastic type in the sediment comes from the type of fragment with an abundance of 57 particles / kg found at station 1. The highest total microplastic in the sediment abundance is present at station 1 with an abundance of 114 particles / kg.

Perbandingan Jumlah Bakteri pada Sedimen Mangrove di Ekosistem Mangrove Rehabilitasi dan Alami di Desa Perancak, Jembrana, Bali Ni Putu Wira Argiantini; Ima Yudha Perwira; Ni Made Ernawati
Current Trends in Aquatic Science Vol 4 No 1 (2021)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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This study aimed to know the difference of total bacterial number on the sediment of rehabilitation and natural mangrove ecosystem in the Desa Perancak, Jembrana, Bali. Sediment sampling was carried out in November 2019. The sediment sampling was carried out at two different sites, 3 station from the rehabilitation mangrove zone and 3 station from natural mengrove zone. Total bacterial number in the sediment was enumerated using Total Plate Count Method, pH was measured using pH meter, and dissolved solid was measured using TDS meter. The result showed that there was no bog difference in the bacterial amount between rehabilitation and natural mangrove ecosystem. The total dissolved solid in the rehabilitation mangrove was higher than that in the natural mangrove. The pH of sediment in the rehabilitation mangrove was lower than that in the natural mangrove. This result indicate that there is difference in the species community in both mangrove ecosystems.

Kandungan Timbal (Pb) Pada Sedimen Di Perairan Pantai Karang, Sanur, Bali Ni Putu Shinta Sainitha Dewi; Ima Yudha Perwira; Ni Made Ernawati
Current Trends in Aquatic Science Vol 3 No 1 (2020)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Pantai Karang merupakan pantai yang cukup padat dikunjungi wisatawan. Untuk menjaga kelestarian pantai ini penting untuk dilakukan monitoring, salah satunya yaitu dengan menjaga kondisi perairan ini agar tetap stabil. Di pantai ini selain menjadi tempat rekreasi juga terdapat lokasi pemberhentian boat yang diduga menjadi sumber pencemaran logam berat. Kandungan logam berat di suatu perairan dapat diketahui dari beberapa komponen diantaranya air, biota dan sedimen. Logam berat pada sedimen lebih tinggi dibandingkan dengan di air, hal ini dikarenakan logam berat dalam jangka waktu tertentu akan mengalami pengendapan. Logam berat di suatu perairan juga dipengaruhi oleh parameter kualitas air diantaranya pH dan salinitas. Semakin tinggi pH dan salinitas maka perairan tersebut akan bersifat basa sehingga hal tersebut dapat berpengaruh terhadap kelarutan logam berat pada sedimen. Hasil uji logam berat Pb pada sedimen di perairan Pantai Karang berkisar antara 1,360 mg/kg hingga 7,148 mg/kg. Hasil pengukuran salinitas pada perairan Pantai Karang berkisar antara 30,3-31,6 ppt, sedangkan hasil pengukuran pH menunjukkan pH di perairan ini berkisar antara 8,0-8,2.

Kelimpahan, Keanekaragaman, dan Pertumbuhan Alami Bintang Laut (Asteroidea) di Perairan Pantai Semawang dan Pantai Samuh, Bali Ni Wayan Ernawati; I Wayan Arthana; Ni Made Ernawati
Current Trends in Aquatic Science Vol 2 No 1 (2019)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Semawang beach and Samuh beach are located in the area of Sanur and ITDC Nusa Dua, Bali. This study aims to find out abundance, diversity, domination, natural growth of starfish, and to know the physical and chemical conditions of waters. The method used was descriptive quantitative method. The highest total abundance in sub station 1 was 0,0045 ind/m2 (Semawang beach), diversity index ranged from 0,86 to 1,06 and the dominance index ranged from 0,45 to 0,5. The highest total abundance in sub station 1 was 0,118 ind/m2 (Samuh beach), diversity index ranged from 1,32 to 1,92 and dominance index ranged from 0,21-0,4. The long range of arms (R), radius of disc (r), and weight (W) of the starfish found on Semawang beach and the Samuh beach was R: 5,9-13,6 cm, r: 0,9-7,8 cm, W: 15,6-1896,6 gr, and R: 3,6-11,6 cm, r: 0,5-7,9 cm, W: 6,3-1835,9 gr. The equation of arms length relation and weight and the relation of radius of disc and weight with the highest R2 value at Semawang Beach is found in the Pentaster obtusatus species W = 0,1738L2,8214 and 70% W = 11,9780L1,7876. The equation of arms length relation and weight and the relation of radius of disc and weight with the highest R2 value at Samuh beach is found in species Linckia guildingi W = 2,9166L0,6170 and W = 9,2138L0,5169. The measurement result water quality parameters in Semawang beach waters ranges from 29-30°C (temperature), 5,5-5,7mg/L (DO), 30,5-31,5 ppt (salinity), and 8,2-8,5 (pH), while in Samuh beach waters of ranges 28-28,5°C (temperature), 5,5 mg/L (DO), 30-30,8 ppt (salinity), and 7,7 (pH).

Kuantitas dan Kualitas Larva Ikan Nila (Oreochromis niloticus) Hasil Pemijahan Induk dengan Sex Ratio Berbeda Ade Angelia Atmanegara Sinaga; Pande Gde Sasmita Julyantoro; Ni Made Ernawati
Current Trends in Aquatic Science Vol 3 No 2 (2020)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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The prospect of developing freshwater fish farming development in Indonesia has been promising. One of the freshwater fish commodities that has a high economic value and market demand is tilapia (Oreochromis niloticus). This research aims to determine the optimal sex ratio for tilapia broodstock to produce the best quantity and quality of tilapia larvae. The research was conducted in December 2019 to February 2020 at Unit Pelaksana Teknis (UPT) Pasar Benih Ikan dan Balai Benih Ikan Denpasar. The method use is an experimental with complete random design with 3 treatments and 3 replicates. The sex ratio for this research was a ratio between males and females of 1:2, 1:3, 1:4. Observed parameters were fish larvae quantity, absolute weight and length tilapian larvae, survival rate tilapia larvae and water quality. The results of this research showed that sex ratio of tilapia has a significant effect (P < 0,05) on the quantity of tilapia larvae, with the highest quantity was obtained from the treatment B (sex ratio of 1:3) about 1305±393 individu, but the quality of the tilapia larvae e.g. absolute weight, length and survival rate were not significantly influenced by sex ratio of tilapia broodstock (P > 0,05). Water quality parameter including temperature, dissolved oxygen (DO) and potential of hydrogen (pH) were still at a range that supports tilapia life during the research period. Keywords: Tilapia; Larvae; Mating; Sex Ratio

Kondisi Ekosistem Terumbu Karang di Bagian Barat Pulau Pasir Putih Desa Sumberkima, Kabupaten Buleleng, Provinsi Bali Gagah Gumelar Wicaksono; I Wayan Restu; Ni Made Ernawati
Current Trends in Aquatic Science Vol 2 No 1 (2019)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Penelitian ini dilaksanakan pada bulan Januari 2018 di Pulau Pasir Putih Desa Sumberkima, Kabupaten Buleleng, Provinsi Bali. Penelitian ini bertujuan untuk mengamati dan menganalisis kondisi terumbu karang berdasarkan persentase tutupan dan nilai indeks keanekaragaman. Metode yang digunakan adalah metode survei dengan menggunakan transek garis menyinggung (LIT). Lokasi pengamatan terdiri dari 2 stasiun. Pengamatan di masingmasing stasiun dilakukan pada kedalaman 3 meter dan 7 meter. Tipe terumbu karang yang ada di Pulau Pasir Putih Desa Sumberkima, Kabupaten Buleleng, Provinsi Bali. Bentuk pertumbuhan terumbu karang yang dijumpai pada daerah penelitian adalah Acropora Branching (ACB), Acropora Encrusting (ACE), Acropora Submassive (ACS), Acropora Digitate (ACD), Acropora Tabulate (ACT), Coral Branching (CB), Coral Massive (CM), Coral Encrusting (CME), Coral Submassive (CS), Coral Foliose (CF), Coral Meliopora (CME), Coral Heliopora (CHL) dan Coral Mushroom (CMR). Kondisi terumbu karang di Pulau Pasir Putih tergolong dalam kategori sedang hingga baik. Persentase tutupan karang pada staiun 1 di kedalaman 3 m sebesar 72.84% (baik), dan di kedalaman 7 m sebesar 26.29% (sedang). Pada staiun 2 di kedalaman 3 meter memiliki nilai persentase tutupan karang sebesar 47.52% dan di kedalaman 7 meter sebesar 53.39% yang sama-sama dikategorikan tutupan karang sedang

Struktur Komunitas dan Tingkah Laku Ikan Pada Karang Genus Acropora di Perairan Desa Bondalem, Provinsi Bali Fikri Huda Falah; I Wayan Arthana; Ni Made Ernawati
Current Trends in Aquatic Science Vol 3 No 2 (2020)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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This study was conducted to determine the condition of reef fish communities and fish behavior at coral genus Acropora. Data retrieval was done in 3 observation points. The observations was done by stationary visual sensus method. The observations were made as 3 times during 3 months. The result of data collected on 3 observation points obtained 35 species. Diversity category in 3 locations tend to be moderated, the value was range of 2.20 to 2.75 related to the value of dominance indexs, was range of 0.07 to 0.14. The value of similarity indexs (E) was range of 0.89 to 0,99 indicated a stable reef fish community. Based on observations of the behavior of fish in the community at each fish station had solitary and schooling behavior. Fish swimming habits generally swim above, below, or beside the reef. But also observed several types of fish that have a habit of swimming in crevices of coral which was the fish family of Pomacentridae. As for feeding habits, fish which were observed had an eating activities swimming toward their food. The results of measurements of current speed range from 0.37 to 1.20 m/s, the visibility was reached to the bottom of the water, turbidity 1.30-1.40 NTU, temperature 29.33-29.67°C, Depth 4.2-13.7 m, and the range of salinity values were 30.00-31.67‰. This value was still in accordance with the standard quality of sea water for marine biota. This was in accordance with the quality standard value of Bali Governor Regulation No.16 Year 2016.

Laju Pertumbuhan Karang Transplantasi Acropora sp. di Pantai Pandawa, Bali Mayang Utami; I Wayan Arthana; Ni Made Ernawati
Current Trends in Aquatic Science Vol 4 No 2 (2021)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Coral transplantation is a coral rehabilitation activity by cutting coral from a colony to be replanted. This study aimed to determine the differences in the growth of coral transplants of Acropora sp. using cement media and pipe media. Research on coral transplantation was carried out at the end of December 2020 to early March 2021 for 3 months at Pandawa Beach, Bali. Observations of coral growth using different media were carried out 6 times with an interval of 14 days using a caliper. Observations on the growth of coral fragments consisted of increasing the height and width of the coral. The results showed that the coral height of Acropora sp. using pipe media has the highest growth rate of 39.34 mm, coral height growth using cement media is 30.31 mm. The result of the highest growth width on coral using pipe media is 30.90 mm and the growth of coral width on cement media is 28.76 mm. The survival rate of coral Acropora sp. on cement media by 100% and on pipe media by 90%.

Profil Kandungan Fosfat pada Air di Daerah Aliran Sungai (DAS) Tukad Ayung, Bali Novita Wulandari; Ima Yudha Perwira; Ni Made Ernawati
Current Trends in Aquatic Science Vol 4 No 2 (2021)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Ayung River is the longest river in the Bali Island. There are a lot of antropogenic activities around this area. However, there is lack information about the nutrient (Phosphate) level in the water of this river. This study was aimed to observe the amount of nutrient (Phosphate) in the water of Ayung River. Water sampling was carried out in the upstream, middle stream, and downstream of Ayung River from December 2019 to January 2020. The phosphate amount was measured using Hanna HI713 reagent, Dissolved Oxygen (DO) of water was measured using Winkler method, pH of water was measured using digital pH meter, and water temperature was measured using Thermometer. The result showed that phosphate of the water was ranging from 0.3 to 0.9 mg/L. The amount of phosphate tends to be higher in the evening (0.9 mg/L) compared to that in the morning time (0.4 mg/L). The phosphate increase rate of middle stream to the downstream was higher (0.011 mg/L.km) compared to that of upstream to the middle stream (0.009 mg/L.km).

Kondisi Ekologi Komunitas Mangrove Di Desa Perancak Kabupaten Jembrana, Bali Florentina Gultom; Ni Luh Watiniasih; Ni Made Ernawati
Current Trends in Aquatic Science Vol 4 No 1 (2021)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

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Penelitian ini menggunakan metode transek garis dan petak contoh serta hemisperichal photography untuk mengetahui komposisi jenis dan kondisi ekologi mangrove di Desa Perancak. Komposisi jenis mangrove yang ditemukan sebanyak 6 jenis. Jenis mangrove yang paling banyak ditemukan pada adalah Rhizophora apiculata dan Rhizophora stylosa sedangkan yang paling sedikit ditemukan adalah Avicennia officinalis. Kondisi ekologi komunitas mangrove alami berdasarkan nilai kerapatan kategori pohon berkisar 4.333,33-4.433,33 ind/ha, pancang berkisar 3.866,67-10.533,33 ind/ha dan semai berkisar 5.000-15.833,33 ind/ha. Nilai indeks keanekaragaman kategori pohon berkisar 0,57-1,43, pancang berkisar 0,74-1,39 dan semai berkisar 0,64-0,68, Nilai indeks keseragaman pada kategori pohon berkisar 0,80-0,83, pancang berkisar 0,53-2,00 dan semai berkisar 0,92-0,98. Nilai indeks dominansi kategori pohon berkisar 0,31-0,61, pancang berkisar 0,50-0,61 dan semai berkisar 0,51-0,56. Hasil INP pada seluruh kategori adalah ? 200% dan hasil persentase tutupan mangrovenya berstatus baik. Kondisi ekologi komunitas mangrove hasil rehabilitasi berdasarkan nilai kerapatan kategori pohon berkisar 3.600-4.100 ind/ha, pancang berkisar 800-1.466,67 ind/ha dan semai berkisar 18.333,33-39.166,67 ind/ha. Nilai indeks keanekaragaman kategori pohon berkisar 0,61-0,79, pancang berkisar 0,66-1,10 dan semai berkisar 0,69-1,97. Nilai indeks keseragaman kategori pohon berkisar 0,72-0,88, pancang berkisar 0,95-1,00 dan semai berkisar 0,97-0,99. Nilai indeks dominansi kategori pohon berkisar 0,48-0,58, pancang berkisar 0,33-0,54 dan semai berkisar 0,36-0,51. Hasil INP pada seluruh kategori adalah ? 200% dan hasil persentase tutupan mangrovenya berstatus baik.

Co-Authors Abd. Rahman As-syakur Ade Angelia Atmanegara Sinaga Alferd Y. Ko'ou Ambariyanto Ambariyanto Anak Agung Ayu Ngurah Harmini Angelina Juniarta Panjaitan Astriani, Ni Luh Ayu Gita Ayu Putu Wiweka Krisna Dewi Ayu Putu Wiweka Krisna Dewi, Ayu Putu Wiweka Krisna Budi Shantika Bunga Divia Arimbi Cantin, Emma Daniel Tri Lakona Sinamo Desak Made Goldyna Rarasari Devi Ulinuha Diah Permata Wijayanti Dimas Hafidh Nugroho Felicia Augustine Fikri Huda Falah Florentina Gultom Forida Ayu Herini Gagah Gumelar Wicaksono Gde Raka Angga Kartika Gilang Caraka Girsang, Lestari Meliana Hamdan Hamdan Hanna Santika Tinambunan Hapsari Mahatmi I Dewa Made Cipta Santosa I Gede Mudana I Gede Nyoman Suta Waisnawa I Gst Lanang Made Purwita I Gusti Agung Mas Krisna Komala Sari I Gusti Ayu Nurtirtawaty I Ketut Suja I Ketut Suparta I Ketut Sutama I Komang Dianto I Made Darma Oka, I Made Darma I Made Sara Wijana I Nyoman Meirejeki I Putu Anggra Weda I Putu Budiarta I Putu Subali Adi Putra I Wayan Arthana I Wayan Arthana I Wayan Arthana I Wayan Basi Arjana, I Wayan Basi I Wayan Restu I Wayan Restu Ibnu Fajar Ida Ayu Elistyawati Ima Yudha Perwira Julihartadi, I Gede Dwian Kadek Budiasa Lien Darlina Luthfy Allyana Damayanti Saqha Made Ayu Pratiwi Mayang Utami Miftachudin Syaiful Ma'ruf Muhammad Sholihin Mu’alimah Hudatwi Ni Luh Ayu Kartika Yuniastari Sarja Ni Luh Putu Sri Sartika Wati Ni Luh Watiniasih Ni Made Nitha Balistha Ni Made Rai Sukmawati Ni Nyoman Triyuni Ni Putu Putri Wijayanti Ni Putu Shinta Sainitha Dewi Ni Putu Somawati Ni Putu Wira Argiantini Ni Wayan Budi Purnama Dewi Ni Wayan Ernawati Ni Wayan Wahyu Astuti Nopita Sari Nadapdap Novita Wulandari Nyoman Dati Pertami Pamularsih, Tyas Raharjeng Pande Adhitya Prabhuwinata Pande Gde Sasmita Julyantoro Pande Kadek Ari Iswari Pertami, Nyoman Dati Puji Eka Purnama Putu Yunita Wacana Sari Rahayuda, Putu Gilang Rifaldus Dani Sanjiwani, I Gusti Agung Mirah Saraswati, Ni Luh Gede Rai Ayu Sari, Putu Yunita Wacana Shintani Asri Tinambunan Taradhipa, I Gusti Agung Dwikhy Oka Voda , Mihai Wahidah, Rizqi Soviyatul Wenten, I Wayan Wiryani, Ni Nyoman Sri Wulandari, Ni Komang Putri Yayu Indrawati

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