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All Journal Jurnal Akuakultur Indonesia AGRIKAN Jurnal Ilmiah Agribisnis dan Perikanan Jurnal Agrohut
Ode, Inem
Universitas Darusallam Ambon
Agriculture, Biological Sciences & Forestry Engineering

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Kepadatan dan pola distribusi kerang kima (Tridacnidae) di Perairan Teluk Nitanghahai Desa Morella Maluku Tengah Ode, Inem
Agrikan: Jurnal Agribisnis Perikanan Vol 10, No 2 (2017)
Publisher : Sangia Research Media and Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29239/j.agrikan.10.2.1-6

Abstract

Penelitian ini bertujuan untuk mengetahui kepadatan dan pola distribusi kerang kima (Tridacnidae ) di Perairan Teluk Nitanghahai Desa Morella Maluku Tengah. Penelitian ini dilakukan pada bulan Agustus 2017. Penelitian ini menggunakan metode belt transek. Hasil penelitian menemukan 5 jenis kima, yaitu Tridacna squamosa, Tridacna maxima, Tridacna maxima, Tridacna gigas dan Hipoppus hipoppus. Kelimpahan relatif individu tertinggi pada Tridacna squamosa sebesar 38,54% dan terendah Hipoppus hipoppus sebesar 0,52%. Kepadatan individu tertinggi pada Tridacna crocea sebesar 0.048 dan terendah pada Tridacna gigasyaitu 0.0013. Terdapat tiga pola distribusi kima di lokasi penelitian, yaitu pola distribusi mengelompok pada jenis Tridacna sqoamosa, Tridacnacrocea, dan Tridacna maxima. Pola distribusi acak pada jenis Tridacna gigas dan pola distribusi seragam pada jenis Hipoppus hipoppus.
The antibacterial activity of clove Syzygium aromaticum extract and its effects on the survival rate of hybrid grouper Epinephelus fuscoguttatus ♀ × E. lanceolatus ♂ infected with Vibrio alginolyticus Ode, Inem; Sukenda; Widanarni; Dinamella Wahjuningrum; Munti Yuhana; Mia Setiawati
Jurnal Akuakultur Indonesia Vol. 22 No. 1 (2023): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.22.1.1-11

Abstract

Vibrio alginolyticus which becomes the main cause of vibriosis disease in grouper culture and causes great economic loss in Asian aquaculture industries. This study investigated the antibacterial activity of clove extract and the effect of adding clove powder to the diet on survival cantang grouper infected with V. alginolyticus. The clove extraction used a maceration method. Two dose levels of clove powder were used, namely 10 and 15 g kg−1. The control treatments without clove powder supplementation contained positive control (CP) and negative control treatment (CN). The results found that the clove extract contained five major compounds. The highest compound was phenol, 2-methoxy-4-(2-propenyl)-Eugenol (64.07%). Phytochemical analysis of clove extract contained phenolics, flavonoids, and tannins at (28.53 ± 0.00) mg/g, (0.38 ± 0.00) mg/g, and (0.15 ± 0.00) %, respectively. The diameter of the clove extract inhibition zone was significantly different (P < 0.05) in all treatments. The Scanning Electron Microscopy (SEM) result presents that the clove extract can alter the V. alginolyticus cell morphology. The dietary supplementation of clove powder improves the survival rate significantly higher (P<0.05) post-challenge test. The conclusion of this research is that clove extract has antibacterial activity that can inhibit growth and cause cell morphological damage to V. alginolyticus. The application of clove powder at a dose of 15g kg-1 was able to improve the survival value which was a higher post-challenge test. Keyword: antibacterial activity, clove, grouper, phytochemical, Vibrio alginolyticus
Density and Distribution Pattern of Lola Snail (Trocus niloticus) in the Coastal Waters of Malaku Village, Central Maluku Ode, Inem; Sangadji, Madehusen; Tuahuns, Wijayanti
Jurnal Agrohut Vol. 15 No. 1 (2024): Agrohut
Publisher : Fakultas Pertanian Universitas Darussalam Ambon

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51135/agh.v15i1.307

Abstract

The lola snail (Trochus niloticus) is a species of sea snail that has important economic value. This research aims to determine the density and distribution patterns of lola snails in the coastal waters of Malaku Village, Central Maluku. Sampling used a stratified random sampling method with line transects, the research location was divided into 3 stations. Stations I and III have plank coral substrates and dead coral fragments, while station II has rocky substrates and coral flats. The results of the research found that the total number of lola snail individuals found at the research location was 110 individuals spread across 3 research stations. The maximum size of lola snails found was 99.41 mm in diameter and the minimum size found was 47.18 mm in diameter. The highest density of Lola snails at each research station was 0.08 ind/m2 and the lowest was 0.05 ind/m2. The distribution pattern of Lola snails at the research location is a clustered pattern.
Co-Authors Dinamella Wahjuningrum Jahra Wasahua Madehusen Sangadji Mia Setiawati MUNTI YUHANA Sukenda . Tuahuns, Wijayanti WIDANARNI WIDANARNI