Garuda - Garba Rujukan Digital

p-Index From 2020 - 2025

1.756

P-Index

This Author published in this journals

All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Akuakultur Indonesia ILMU KELAUTAN: Indonesian Journal of Marine Sciences Jurnal Mina Sains Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan Journal of Aquaculture and Fish Health Jurnal Sains Terapan : Wahana Informasi dan Alih Teknologi Pertanian Jurnal Ruaya : Jurnal Penelitian dan Kajian Ilmu Perikanan dan Kelautan

Wiyoto Wiyoto

Study Program Of Production Technology And Management Of Aquaculture, College Of Vocational Studies, IPB University, Bogor 16128, West Java, Indonesia

Author-ID : 480104

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Energy Health Professions Immunology & microbiology Social Sciences Veterinary Other

Published : 13 Documents Claim Missing Document

Claim Missing Document

Articles

1 2

Relationship Between The Dynamics of Plankton Community Abundance, Total Organic Matter, and Salinity in Intensive Shrimp Farming Systems Munjayana Munjayana; Julie Ekasari; Heny Budi Utari; Wiyoto Wiyoto; Apriana Vinasyiam; Ahmad Shofy Mubarak
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.v13i2.52715

Plankton plays an important role in shrimp cultivation in ponds, both as an indicator of water quality and as a natural food source for shrimp that are raised. The purpose of this study was to measure the relationship between the dynamics of the plankton community, the concentration of total organic matter, and water salinity with the abundance of plankton in intensive shrimp farming systems. The study was conducted on six units of ponds located in Cirebon district, West Java, Indonesia. The ponds were lined with HDPE on each side and plastic mulch at the bottom. Post larvae of shrimp were stocked at an average density of 110 shrimp.m-2 and maintained for 98 days. Water quality samples were collected for daily measurement. Data were analyzed descriptively and then analyzed using Pearson's correlation test and regression. The results of this study showed that during the shrimp rearing period, 65 species of plankton were identified, consisting of Chlorophyta 20%, Cyanophyta 15.38%, Diatoms 26.15%, Euglenophyta 6.15%, Dinoflagellates 4.62%, Protozoa 10.77%, and Ciliates 16.92% with an average density ranging from 7.56x105-19.99x105 cells.mL-1. Chlorella sp. (Chlorophyta) and Oscillatoria sp. (Cyanophyta) were found to be the dominating species in all ponds. Total phytoplankton density tended to be higher during the first 54 days of culture. The results of the correlation and regression tests showed that the composition of plankton, the concentration of total organic matter, and the salinity of the water affected the abundance of plankton in the pond.

Bacterial quorum sensing and the role of algae in bacterial diseases control in aquaculture Wiyoto, .; Ekasari, Julie
Jurnal Akuakultur Indonesia Vol. 9 No. 2 (2010): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Bacterial disease is one of the most common diseases in aquaculture practices which have a significant impact. Several researches noted that pathogenicity of a certain bacteria can be determined by its quorum sensing activity. Quorum sensing is a communication process of a certain bacteria with the same or different species of bacteria which involves the releasing and capturing of signal molecule to and from the environment. This activity will activate a certain target gene which further resulted in the expression of a phenotype by the bacteria. With regard to this characteristic, one of the methods to control bacterial diseases is by quorum sensing disruption. Several species of algae, both micro and macro, have been found to be able to intervense bacterial quorum sensing and thus can be used as an alternative in bacterial disease control. Key words: quorum sensing, bacterial disease, aquaculture, algae Abstrak Penyakit bakteri adalah salah satu penyakit yang paling umum dalam akuakultur dengan dampak yang cukup signifikan. Beberapa penelitian menunjukkan bahwa tingkat patogenitas suatu bakteri salah satunya ditentukan oleh aktivitas kuorum sensing bakteri. Kuorum sensing bakteri merupakan suatu proses komunikasi yang dilakukan oleh bakteri dengan bakteri lainnya baik yang sejenis maupun berlainan jenis yang berupa pelepasan dan penangkapan molekul sinyal menuju dan dari lingkungan sekitar bakteri tersebut. Aktivitas inilah yang akan menentukan ekspresi suatu gen target seperti patogenitas, sehingga salah satu metode yang dapat digunakan dalam mengendalikan penyakit yang disebabkan oleh bakteri adalah dengan mengganggu aktivitas kuorum sensing bakteri. Beberapa jenis alga, baik mikro maupun makro, diketahui dapat mengintervensi aktivitas kuorum sensing, dan dapat menjadi salah satu alternatif bagi pengendalian penyakit bakterial. Kata-kata kunci: kuorum sensing, penyakit bakterial, akuakultur, alga

Gracilaria spp. morphology cultured in brackish water pond Pantai Sederhana Village, Muara Gembong Soelistyowati, Dinar Tri; Murni, Ida Ayu Amarilia Dewi; Wiyoto, ,
Jurnal Akuakultur Indonesia Vol. 13 No. 1 (2014): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

ABSTRACT Gracilaria spp. is a euryhaline species of seaweed which can live in the marine and brackish water. Development of Gracilaria spp. culture in Bekasi is potential because this seaweed can be cultured in ex shrimp pond by polyculture system. The objective of this research was to evaluate the phenotype morphological characteristic of Gracilaria spp. based on and its relationship with shrimp pond water quality. Sampling was done at three shrimp ponds with a salinity range at 13.7–19.2 g/L. Phenotypical characteristics of Gracilaria spp. consisted of colour and thallus morfometrics, while measurement of water quality consisted of physical and chemical charactersof shrimp pond. The result showed that Gracilaria spp. generally had light brown colour. At salinity higher than 13.7 g/kg, the number of secondary thalli increased, the distance among internode tertiary thalli declined, and the number of ramification index increased. Salinity showed a positive correlation with remification index which was 0.571. Keywords: Gracilaria spp., remification index, phenotype, salinity, brackishwater culture ABSTRAK Gracilaria spp. merupakan spesies rumput laut eurihalin yang dapat hidup di laut dan di perairan payau. Pengembangan budidaya Gracilaria spp. di Bekasi potensial dilakukan karena memanfaatkan tambak bekas budidaya udang dengan sistem polikultur. Penelitian ini bertujuan untuk mengevaluasi karakteristik fenotipe morfologi Gracilaria spp. dan hubungannya dengan kualitas air di tambak budidaya. Sampling dilakukan pada tiga tambak dengan kisaran salinitas 13,7–19,2 g/L. Karakterisasi fenotipe meliputi warna dan morfometrik talus Gracilaria spp., sedangkan parameter kualitas air meliputi karakter fisika dan kimia air tambak. Hasil menunjukkan talus Gracilarias spp. umumnya berwarna coklat muda dan pada salinitas di atas 13,7 g/L menunjukkan jumlah talus sekunder meningkat, jarak internode talus tersier menurun, dan indeks percabangan meningkat (P<0,05). Salinitas berkorelasi positif dengan indeks percabangan sebesar 0,571. Kata kunci: Gracilaria spp., indeks percabangan, fenotipe, salinitas, budidaya air payau

Co-Authors A M Tahya A S Mubarak A. Shofy Mubarak Agung Prayudha Hidayat Andri Iskandar Andri Iskandar Apriana Vinasyiam Billi Rifa Kusumah Cecilia Eny Indriastuti Daniel Djokosetiyanto Dian Eka Ramadhani Dinar Tri Soelistyowati Enang Harris Firdausi, Amalia Putri Glenaldi Halim Hendriana, Andri Heny Budi Utari I Khasani Ida Ayu Amarilia Dewi Murni Ima Kusumanti Indi Jaka Nugraha Irzal Effendi Iskandar, Andri Julie Ekasari K Nisaa Kukuh Nirmala Lesmana, Dudi M Yamin M. Zairin Junior Muarif Muarif Muhammad Arif Mulya Mulyasari . Munjayana Munjayana Muslim Muslim N Farizah Nabila Putri Endarto Purnamawati Purnamawati Rachella Angel Hitron Rega Virgiawan Anwar Ridwan Siskandar Robin . Satrio Yudha Wisesa Sesar Husen Santosa Sukenda Sukenda Wida Lesmanawati Wida Lesmanawati Yahya Ian Keyvin Sitio

Title

Found 13 Documents
Search

Abstract

Abstract

Abstract

Title Search

Found 13 Documents Search

Abstract

Abstract

Abstract

Title

Found 13 Documents
Search