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All Journal METAMORFOSA Journal of Biological Sciences Journal of Marine and Aquatic Sciences Jurnal Biologi Udayana Bumi Lestari Ecotrophic, Journal of Environmental Science The Journal of Experimental Life Sciences (JELS) SIMBIOSIS Jurnal Ilmiah Pangabdhi Current Trends in Aquatic Science Samakia: Jurnal Ilmu Perikanan Balobe: Jurnal Pengabdian Masyarakat Jurnal Perikanan

Alfi Hermawati Waskita Sari

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

Author-ID : 372429

Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Medicine & Pharmacology Neuroscience Social Sciences Other

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ANALISIS KONDISI INDEKS KUALITAS AIR PADA ENAM MATA AIR DI KABUPATEN GIANYAR, BALI I Wayan Gde Samping Gargitha; I Wayan Restu; Alfi Hermawati Waskita Sari
ECOTROPHIC : Jurnal Ilmu Lingkungan (Journal of Environmental Science) Vol 10 No 2 (2016)
Publisher : Master Program of Environmental Science, Postgraduate Program of Udayana University

Spring is the source of water that occurs naturally. This research aim was to investigate the water quality status of six springs in Gianyar regency based on water quality index.This research was conducted in January 2016 at Taman Sari Spring, Tirta Sudamala Spring, Beji Kengetan Spring, Gerembeng Kengetan Spring, Rijasa Spring and Beji Jeleka Spring. The samples were taken using purposive sampling method and analyzed using descriptive quantitative. The value of water quality index determine using 9 parameters, such as temparature changes, turbidity, total dissolved solid, pH, dissolved oxygen, biological oxygen demand, nitrate, phosphate and faecal coliform bacteria. The results of water quality index showing that the six springs were in good category. The highest value of water quality index was at Taman Sari spring (88,48). The next highest value was at Beji Jeleka spring (86,87). Tirta Sudamala spring, Beji Kengetan spring, Gerembeng Kengetan spring and Rijasa spring have a value of water quality index 86,12; 84,29; 81,66 and 85,83.

KAJIAN KUALITAS AIR DAN PENILAIAN KESESUAIAN TAMBAK DALAM UPAYA PENGEMBANGAN BUDIDAYA IKAN BANDENG (ChanoschanosForskal) DI DESA PEMUTERAN KECAMATAN GEROKGAK, KABUPATEN BULELENG Suprabadevi Ayumayasari Saraswati; Alfi Hermawati Waskita Sari
Samakia : Jurnal Ilmu Perikanan Vol 8 No 2 (2017): Samakia: Jurnal Ilmu Perikanan
Publisher : Faculty of Science and Technology University Ibrahimy

Pemuteran Village is one of the villages in Gerokgak sub-district of Buleleng Regency which has big potential of aquaculture to be developed especially from milkfish enlargement activity in pond. The purpose of this research is to know the water quality condition of milkfish pond and to know the suitability of pond water quality in an effort to increase the profit of fish farming business (Chanos chanos Forskal) in Pemuteran Village. The research method used is purposive sampling. Data analysis used is scoring in the assessment of the suitability level of aquatic quality for fish breeding. Then the water assessment using matching method to compare the physics and chemistry of the waters of a location with the desired conformity criteria for milkfish cultivation.The result of the research shows that the condition of water quality of milkfish pond farming in Pemuteran Village is in optimal condition and included in the appropriate assessment (S1) based on the assessment of the suitability of water quality for the milkfish cultivation business.

WATER QUALITY ANALYSIS AT THREE SPRINGS IN SUKAWATI SUB-DISTRICT OF GIANYAR DISTRICT, BALI Ni Gusti Made Yuliari; Ni Luh Watiniasih; Alfi Hermawati Waskitasari
SIMBIOSIS Vol 9 No 1 (2021)
Publisher : Jurusan Biologi Universitas Udayana

Utilization of springs as water resources for their daily needs by the people of Sukawati Sub-Distric of Gianyar Regency, Bali is still quite high Human activities, such as increasing domestic, industrial and agricultural activities, have an effect on decreasing water quality. This research was conducted ini December 2019 to January 2020 at Pancoran Kutri springs, Beji Dalem Agung Kemenuh springs and Taman Beji Cengcengan springs. This research aimed to determine water quality based on Bali Governor's Regulation No.16 of 2016 concerning Environmental Quality Standards and Standard Criteria for Enviromental Damage Based on Class (Class I) and Minister of Health Republic of Indonesia Regulation No.492/ Menkes/Per/IV/2010 concerning Prerequisites for Drinking Water Quality. The parameters analyzed were the physical parameters (temperature and TDS), the chemical parameters (pH, DO, BOD, nitrate, phosphate, cadmium (Cd) and lead (Pb)) and the biological parameters (fecal coliform bacteria). The results of the research conducted showed that the water quality in the three springs in the study location still met the water quality standards. However, DO parameters at Pancoran Kutri springs, BOD parameters at Taman Beji Cengcengan springs and phosphate in the three springs at the research location are based on regulations, as well as fecal coliform bacteria parameters in the three springs at the research location based on the Regulation of the Minister of Health of the Republic of Indonesia No. 492/Menkes/Per/IV/2010 have exceeded the quality standard threshold.

Prevalensi dan Intensitas Ektoparasit Ikan Bawal Air Tawar (Colossoma macropomum) pada Usaha Perikanan Rakyat (UPR) di Desa Sepanjang, Kecamatan Glenmore, Banyuwangi Indah Eka Yulianti; I Wayan Restu; Alfi Hermawati Waskita Sari
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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Freshwater Bawal fish (Colossoma macropomum) is one of the important fish species in freshwater cultivation activities. One of the qualities of good fish must be avoided from disease. Ectoparasites are parasites that attack the outside of the fish's body. This study aimed to determine the type, prevalence and intensity of freshwater Bawal fish ectoparasites (Colossoma macropomum) at UPR in Sepanjang village, Glenmore, Banyuwangi. Sampling of freshwater Bawal fish was taken using a purposive sampling method. The sample used was small fish (7.3-9 cm with a weight of 9.62 grams) and large fish (22.5-30.3 cm with a weight of 305.03 grams). 30 fish each. The data obtained were analyzed descriptively. The type of ectoparasites that infect small-sized freshwater Bawal fish include Trichodina sp. with a prevalence of 60% and intensity of 25 ind/fish, Ichthyophthirius multifiliis with a prevalence of 70% and intensity of 96 ind/fish, Dactylogyrus sp. with a prevalence of 100% and intensity of 23 ind/fish, and Gyrodactylus sp. with a prevalence of 23% and intensity of 2 ind/fish, whereas in large freshwater Bawal fish found ectoparasites such as Trichodina sp. with a prevalence of 10% and intensity of 2 ind/fish, Ichthyophthirius multifiliis with a prevalence of 90% and intensity of 66 ind/fish, Dactylogyrus sp. with a prevalence of 100% and intensity of 345 ind/fish, Gyrodactylus sp. with a prevalence of 23% and intensity of 11 ind/fish and the prevalence of Copepod 13% with an intensity of 1 ind/fish.

Kandungan Logam Berat Timbal (Pb) dan Kadmium (Cd) Pada Badan Air dan Ikan di Perairan Teluk Benoa, Bali Ni Putu Suci Mardani; I Wayan Restu; Alfi Hermawati Waskita Sari
Current Trends in Aquatic Science Vol 1 No 1 (2018)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

Heavy metals going into the aquatic environment will have an impact on the quality of the aquatic environment and affect the life of the biota in it. This study objectives is to determine the content of heavy metals Pb and Cd in water as well as in the Mullet Fish (Mugil cephalus) and Orange Spotted Rabbit Fish (Siganus guttatus) caught in Benoa Bay. The study was conducted from February to April 2018. The results showed that the content of heavy metals Pb and Cd in the water in Benoa Bay had exceeded the quality standards of metals dissolved in water for marine biota listed on Pergub Bali No. 16 of 2016. The value of Pb heavy metals in Mullet Fish and Orange Spotted Rabbit Fish in some samples have exceeded the maximum limit of heavy metal contamination SNI 7387: 2009. Cd heavy metal in Mullet Fish and Orange Spotted Rabbit Fish have exceeded the maximum limit of Cd metal contamination in fish and the processed product of 0.1 mg / Kg. Bioconcentration factor of metal Pb in Mullet Fish is included in the category of low accumulative properties of Pb heavy metals. BCF value of metal Cd in Mullet Fish shows that Mullet Fish has moderate accumulative properties against heavy metal Cd. Orange Spotted Rabbit Fish belongs to low category of accumulative properties against heavy metals Pb and Cd.

Fluktuasi Bahan Organik dan Residu Terlarut dalam Budidaya Ikan Koi di Tulungagung, Jawa Timur Ilham Misbakudin Al zamzami; Alfi Hermawati Waskita Sari; Ima Yudha Perwira
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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Water quality management is an important factor in the process of koi fish cultivation in the Minapolitan area, Tulungagung Regency. The purpose of this study was to observe the factual conditions of media water quality during maintenance using standard operational procedures in the water quality management process for koi fish maintenance media. This research was conducted on koi fish maintenance activities for 4 months. The maintenance process is carried out on 3 ponds with a total volume of 130,000 liters, and the amount of koi is 700 fish / pond. The process of feeding fish is done twice (morning and evening) with the amount of 3% of the weight of the fish. The composition of feed given during the maintenance process are: 38% protein, 5% fat, 3% fiber, 12% ash, and 11% moisture level. After measuring water quality, DO values ??did not differ greatly from 5.5 to 6.9 ppm. The range of EC values ??is 574-658 µS / cm, while the pH value is 7.7-8.9. The BOT values ??increase gradually with values ??of 2.6 ppm, 5.1 ppm, 12.7 ppm. The TDS value experienced an increase in the second month and tended to be stagnant at the 4th month with a value of 231 ppm, 287 ppm, 285 ppm. The data that has been collected is analyzed descriptively by comparing the increase in BOT and TDS lanes to see the water saturation limit, visualized in the form of line graphs.

Profil Histologi Hepatopankreas Udang Vanamei (Litopenaeus vanamei) Dikultur dengan Padat Tebar Berbeda M Reza Mei Budi Dharmawan; Pande Gde Sasmita Julyantoro; Alfi Hermawati Waskita Sari
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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Teknologi akuakultur resirkulasi adalah sebuah sistem sirkulasi air dengan menggunakan kembali air untuk budidaya, sehingga mengurangi penggunaan air dari luar sistem. Menggunakan teknologi akuakultur resirkulasi ini, biota budidaya akan lebih sehat dan kadar sirkulasi makanan lebih rendah dari perikanan secara konvensional. Tujuan penelitian ini untuk mengetahui gambaran kondisi hepatopankreas udang hasil teknologi budidaya Recirculating Aquaculture System (RAS) dengan padat tebar yang berbeda. Penelitian ini menggunakan metode eksperimental dengan Rancangan Acak Lengkap (RAL) dengan 3 perlakuan dan 3 kali ulangan, yaitu RAS padat tebar 500 ekor/m2, RAS padat tebar 750 ekor/m2, dan kontrol berupa budidaya sistem intensif flow through (konvensional) padat tebar 200 ekor/m2. Prosedur pembuatan sampel histologi hepatopankreas udang vanamei dilakukan berdasarkan prosedur Austin dan Austin (1989). Hasil penelitian menunjukkan perubahan struktur hepatopankreas pada udang uji berupa nekrosis, vakuolasi, dan indikasi mineralisasi. Pada teknologi budidaya RAS padat tebar 500 ekor/m2 kondisi hepatopankreas mengalami peningkatan kualitas pada bulan ke-2, karena nekrosis, vakuolasi, dan mineralisasi pada tubulus mengalami penurunan, sehingga lebih banyak tubulus utuh yang berada pada kondisi normal. Sedangkan pada teknologi budidaya RAS padat tebar 750 ekor/m2 dan kontrol kondisi hepatopankreas mengalami penurunan kualitas pada bulan ke-2. Tetapi pada teknologi budidaya RAS padat tebar 750 ekor/m2 lebih baik daripada kontrol, karena pada kontrol tidak ditemukan tubuli normal yang mengindikasikan hepatopankreas mengalami kerusakan. Kualitas air budidaya pada tambak udang uji masih dikategorikan normal dan memenuhi baku mutu untuk pemeliharaan udang vanamei.

Identifikasi dan Predileksi Ektoparasit Kepiting Bakau (Scylla spp.) dari Ekosistem Mangrove Taman Hutan Raya (TAHURA) Ngurah Rai, Bali Ilham Muttaqin; Pande Gde Sasmita Julyantoro; Alfi Hermawati Waskita Sari
Current Trends in Aquatic Science Vol 1 No 1 (2018)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

This research aims to know the various types, predilections, prevalence and intensity of ectoparasites on mud crab (Scylla spp.) and water quality condition in Taman Hutan Raya (TAHURA) Ngurah Rai, Bali. This research was conducted in TAHURA mangrove ecosystem which has 219 hectare of research area near to Pemogan village from February to April 2018. The research used descriptive method by using random sampling for collecting data. Mud crabs obtained in this research consisted of 21 individual mud crabs that belong to 3 species, namely Scylla olivacea (11 ind), Scylla serrata (9 ind), and Scylla tranquebarica (1 ind). The observations results found 5 types of ectoparasites namely Zoothamnium sp. (2021 ind), Epistylis sp. (955 ind), Carchesium sp. (7 ind), Vorticella sp. (98 ind), and Octolasmis sp. (201 ind). Organs infected by ectoparasitic are legs (517 ind), swimming legs (476 ind), carapace (740 ind), claws (1348 ind), and gills (201 ind). The highest prevalence rate obtained was Zoothamnium sp. and Epistylis sp. about 95,23% while the lowest prevalence rate was Carchesium sp. about 4,76%. The highest level of intensity was Zoothamnium sp. about 101,05 ind/crab, while the lowest intensity obtained on Carchesium sp. with 7 ind/crab. The condition of water quality was still considered optimal for mud crab (Scylla spp.) life with average temperature of 29,9 ºC, dissolved oxygen 6,6 mg/L, salinity 20‰, and pH 7,39.

Struktur Komunitas Epifauna di Area Pasca Budidaya Rumput Laut di Kabupaten Badung Bali Mohammad Rizqi; I Wayan Arthana; Alfi Hermawati Waskita Sari
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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Pandawa and Geger Beaches used to be seaweed farming areas, later became tourist attractions which resulted in changes in the structure of the epifauna community. This study aims to determine the community structure and water quality at both beaches. The study was conducted from December 2018 to January 2019. Descriptive method was used and the determination of stations used purposive sampling. The sample was taken by the line transect method. The highest abundance of Pandawa Beach epifauna was Diadema setosum (0.444 ind / m2). The highest diversity at the seaweed cultivation area station with a value of 1.105 which belongs to the medium category. The highest uniformity was also in the same station with a value of 0.797 which indicate a stable epifauna community. The highest dominance in the tourist area station with a value of 0.861 which indicates high dominance. At Geger Beach the highest abundance of epifauna was Cerithidea obtusa species and Tripneustes gratilla with the same abundance (0.144 ind / m2). The highest diversity at the station adjacent to the coral pool with a value of 1,944 included in the medium category. The highest uniformity at the same station with a value of 0.935 which indicates a stable epifauna community. The highest dominance was obtained at the station near the pier with a value of 0.229 which showed low dominance. Pandawa and Geger Beaches water quality was still relatively optimal with an average temperature, dissolved oxygen, salinity, currents, and pH of 30.5 oC; 5.4 ppm; 30.3 ppt; 0.1 m/s; and 8.6 respectively. At Geger Beach, the average temperature, dissolved oxygen, salinity, current and pH were 30.6 oC; 5.1 ppm; 30.1 ppt; 0.1 m/s; and 8.7 respectively.

Keanekaragaman dan Kelimpahan Makroinvertebrata Sebagai Biomonitoring Kualitas Perairan Tukad Badung, Bali Endang Rustiasih; I Wayan Arthana; Alfi Hermawati Waskita Sari
Current Trends in Aquatic Science Vol 1 No 1 (2018)
Publisher : Program Studi Manajemen Sumberdaya Perairan, Fakultas Kelautan dan Perikanan, Universitas Udayana

Sungai Badung merupakan salah satu sungai utama di Bali yang mengalir di tengah-tengah Kota Denpasar. Berbagai limbah yang dihasilkan dari aktivitas masyarakat yang dibuang secara langsung ke sungai tanpa adanya pengelolaan dapat menyebabkan penurunan kualitas air sungai dan tentunya berdampak bagi organisme yang menghuni perairan sungai tersebut. Salah satu organisme yang hidup di perairan sungai dan dapat dijadikan sebagai bioindikator kualitas perairan sungai, yaitu makroinvertebrata. Penelitian ini bertujuan untuk mengetahui keanekaragaman dan kelimpahan jenis makroinvertebrata, mengetahui kondisi perairan dilihat dari parameter fisik dan kimia perairan, serta mengetahui kondisi kualitas perairan menggunakan indikator biologis makroinvertebrata dengan metode famili biotik indeks (FBI) di perairan Sungai Badung. Metode yang digunakan dalam penelitian adalah metode deskriptif kuantitatif. Hasil indeks keanekaragaman (H’) dari ketiga stasiun pengamatan di perairan Sungai Badung berkisar antara 2,39-2,59 dan termasuk dalam kategori keanekaragaman sedang. Kelimpahan makroinvertebrata tertinggi pada stasiun I (hulu) dan II (tengah) adalah spesies Tarebia granifera, yakni masing-masing sebesar 47,22 ind/m2 dan 450,93 ind/m2; sedangkan kelimpahan tertinggi pada stasiun III (hilir) adalah spesies Elimia potosiensis sebesar 340,74 ind/m2. Hasil pengukuran parameter kualitas air didapatkan suhu 26,8-28,6?C; pH 8,29-8,61; DO (Dissolved oxygen) 6,42-8,15 mg/L; BOD5 2,35-5,32 mg/L; 0,32-0,56 m/s. Stasiun I memiliki tipe substrat lempung berpasir, stasiun II pasir berlempung, dan stasiun III berpasir. Kondisi kualitas perairan Sungai Badung berdasarkan perhitungan FBI pada stasiun I sebesar 5,06, stasiun II sebesar 6,64 dan stasiun III sebesar 6,98.

Co-Authors Agung Pramana Warih Mahendra Ahnaf, Hariadi Bryan Baginta Gurusinga Devi Ulinuha Dhira Alfiah R. Pettalolo Dita Wisudyawati Dresti Ngurah Dwi Saputra Endang Rustiasih Endang Wulandari Suryaningtyas Heru Pramono I Wayan Arthana I Wayan Gde Samping Gargitha I Wayan Restu Ilham Misbakudin Al zamzami Ilham Muttaqin Ima Yudha Perwira Ima Yudha Perwira Indah Eka Yulianti Indri, Ristrianas Kartika, I Wayan Darya Luh Gede Manik Radzena Martha M Reza Mei Budi Dharmawan Maria Ulfa Maulinna Kusumo Wardhani, Maulinna Kusumo Meta Apriliawati Sandi Mohammad Rizqi Ni Gusti Made Yuliari Ni Luh Watiniasih ni luh wayan hanny prabandari Ni Putu Suci Mardani Nuning Vita Hidayati Nurul Hidayati Pande Gde Sasmita Julyantoro Putu Bagaskara Putu Roni Graha Persada Rachman, Herlambang Aulia Rani Ekawaty Sapto Andriyono Suprabadevi Ayumayasari Saraswati Suryaningtyas, Endang Wulandari Veryl Hasan Yenny Risjani Yosua Febriyanto Yuli Andriani Situngkir Zainul Hidayah

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