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Effect of Light Intensity on Ammonium Removal and Biomass Growth in Different Levels of Aquaculture Effluent Using Duckweed (Lemna perpusilla) Agus Waluyo; Nirmala, Kukuh; Satya, Awalina; Puji Hastuti, Yuni; Chrismadha, Tjandra; Susanti, Evi; Sumi Lestari, Fajar; Nafisyah, Eva; Sugiarti; Nasrul, Muit
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 30 No. 2 (2024)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2024.6420

Abstract

Cultivating duckweed in aquaculture effluent offers a viable approach to eliminating contaminants. The duckweed biomass obtained can be utilized for the generation of bioenergy. However, elevated levels of ammonium (NH4+) in aquaculture effluent, combined with variations in light intensity, can hinder biomass formation. The precise mechanisms underlying this inhibition remain incompletely elucidated. The study assessed the efficacy of duckweed (Lemna perpusilla) as a treatment agent for wastewater from catfish farms. The objective was to evaluate the growth response of duckweed and its efficacy in reducing ammonium levels. The research demonstrated that daily light intensity fluctuated using shade nets and that the ammonium concentration of aquaculture wastewater varied according to the age of the fish. The shade nets, which blocked 25% of the sunlight and had an average daily light intensity of 3433.34–15199.56 lux, demonstrated a slightly elevated NH4+ removal efficiency and duckweed productivity of 69.34% and 0.050 kg/m²/day, respectively. However, these values were not statistically significant when compared to conditions without shade nets, which had a removal efficiency of 63.97% and duckweed productivity of 0.042kg/m2/day (P<0.05). The implementation of shade structures that effectively decrease solar exposure by 25% shows promise for enhancing duckweed productivity and optimizing nutrient reduction in wastewater from fish cultivation systems. This approach contributes to the promotion of sustainable integrated aquaculture.
Health Status of Spiny Lobster Panulirus homarus with Sub-Mersible Net Cage System in the Different Depths at Kepulauan Seribu, DKI Jakarta Wahjuningrum, Dinamella; Effendi, Irzal; Hadiroseyani, Yani; Budiardi, Tatag; Diatin, Iis; Setiawati, Mia; Puji Hastuti, Yuni; Oman Sudrajat, Agus; Yonvitner; Sri Nuryati; Utami, Putri
Jurnal Akuakultur Indonesia Vol. 21 No. 1 (2022): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.21.1.68-80

Abstract

ABSTRACT Cultivation of Panulirus homarus lobster is now carried out with sub-mersible net cage system at a certain depth in order to obtain optimal temperature, light and water pressure. The purpose of this study was to evaluate the health status of the sand lobster P. homarus which was kept in sub-mersible net cage system measuring 250 cm × 272 cm × 135 cm with a depth of 6 m and 8 m in the waters of Semak Daun Island, Seribu Islands, DKI Jakarta. The average size of lobster seeds used was 93.23 ± 0.99 g/head with a density of 4 lobsters/m2. Lobsters were fed trash fish, molluscs and crustaceans, with a frequency of twice a day at 07.00 WIB 30% and 17.00 WIB 70% of the lobster biomass weight. This study used a completely randomized design with the two depth treatments mentioned above and three replications. Observations of total haemocyte count, differential haemocyte count, phenoloxidase activity, respiratory burst phagocytic activity and histology of lobster hepatopancreas were performed twice every 14 days. Based on the above observations, the depth does not affect the immune response, there is no visible damage to the cells and tissues of the lobster hepatopancreas. Keywords: haemolymph, histology, lobster cultivation, sea, sub-mersible net cage system
Production performance and water quality of Caulerpa lentillifera with fermented fruit vegetable fertilizer Supriyono, Eddy; Chrisliana, Chrisliana; Puji Hastuti, Yuni; Lila Antara, Kadek; Ee Ling, Yong; Nurussalam, Wildan
Jurnal Akuakultur Indonesia Vol. 23 No. 2 (2024): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.23.2.224-236

Abstract

The use of fermented vegetable and fruit waste (FVF) based fertilizers as an effort to reduce waste has the potential to be used to support aquaculture activities. This study aims to evaluate the effectiveness of Caulerpa lentillifera cultivation with the addition of fertilizer based on fruit and vegetable waste fermentation on water quality parameters and production performance. The experimental design used was a completely randomized design with three replications for four different doses of FVF fertilizer treatments, namely 0, 0.05, 0.1, and 0.2 µl/L. This study used an initial weight of 500 g which was reared in a concrete tank with a capacity of 1000 L for 30 days growth period. The results showed that the use of FVF of 0.1 µl/L gave a better net harvest weight (p<0.05), namely 0.08 ± 0.06 kg. Keywords: Caulerpa lentillifera, fermentation, fertilizer, seaweed, waste ABSTRAK Penggunaan pupuk berbasis fermentasi limbah sayur dan buah (FVF) sebagai salah satu upaya pengurangan limbah memberikan potensi sebagai larutan pendukung kegiatan budidaya. Penelitian ini bertujuan untuk mengevaluasi efektivitas budidaya Caulerpa lentillifera dengan penambahan pupuk berbasis fermentasi limbah buah dan sayur terhadap parameter kualitas air dan kinerja produksi. Rancangan percobaan yang digunakan adalah rancangan acak lengkap dengan tiga kali ulangan pada empat perlakuan pupuk, yaitu 0, 0.05, 0.1, dan 0.2 µl/L. Penelitian ini menggunakan bobot awal 500 g yang dipelihara dalam bak beton berkapasitas 1000 L. Hasil pengamatan menunjukkan bahwa penggunaan FVF sebesar 0.1 µl/L memberikan bobot panen bersih yang lebih baik (p<0.05) yaitu 0.08 ± 0.06 kg. Kata kunci: Caulerpa lentillifera, fermentasi, limbah, pupuk, rumput laut
Analyze of production performance of vaname shrimp Litopenaeus vannamei culture and water quality on earthen pond and HDPE-lined pond Fikru Sifa, Zulfana; Nirmala, Kukuh; Puji Hastuti, Yuni; Supriyono, Eddy
Jurnal Akuakultur Indonesia Vol. 25 No. 1 (2026): Jurnal Akuakultur Indonesia
Publisher : Indonesian Society of Scientific Aquaculture (ISSA)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19027/jai.25.1.1-15

Abstract

Litopenaeus vannamei is a leading aquaculture commodity with high economic value. Efforts to enhance the production of L. vannamei shrimp can be achieved by selecting the type of pond. Culture ponds are crucial in controlling water quality and managing culture waste. Based on these conditions, selecting the appropriate type of pond is essential to improve the production performance of L. vannamei shrimp. This study aimed to analyze the effects of earthen ponds and high density polyethylene (HDPE)-lined ponds on production performance and water quality factors, identify key water quality parameters influencing shrimp yield, and conduct an economic analysis. This study was conducted with two types of ponds, earthen ponds and HDPE-lined ponds. Water quality factors were analyzed weekly using a composite sampling method. Meanwhile, shrimp weight sampling was conducted weekly after 35 days of culture using 30 shrimp for each pond. The results showed that shrimp production performance in HDPE-lined ponds was significantly higher than in earthen ponds. This enhanced production performance was attributed to the more optimal water quality parameters in HDPE-lined ponds, particularly the lower abundance of Cyanophyta. Furthermore, the soil quality in earthen ponds also reduces shrimp survival rates, leading to decreased pond productivity. Although the production costs for HDPE-lined ponds were 17.54% higher than earthen ponds, this investment increases farmers' total revenue by 57.20%. HDPE ponds produce high production performance and healthier water quality, thereby increasing farmers' income and proving economically viable. Keywords: economic, growth, pond type, soil   Abstrak Litopenaeus vannamei merupakan salah satu komoditas unggulan perikanan budidaya yang memiliki nilai ekonomis tinggi. Upaya untuk meningkatkan produksi udang L. vannamei dapat dilakukan dengan memilih jenis tambak. Tambak budidaya sangat penting dalam mengontrol kualitas air dan mengelola limbah budidaya. Berdasarkan kondisi tersebut, pemilihan jenis tambak yang tepat sangat penting untuk meningkatkan performa produksi udang L. vannamei. Penelitian ini bertujuan untuk menganalisis pengaruh tambak tanah dan tambak berlapis high density polyethylene (HDPE) terhadap kinerja produksi dan faktor kualitas air, mengidentifikasi parameter kualitas air utama yang mempengaruhi hasil panen udang, dan melakukan analisis ekonomi. Penelitian ini dilakukan dengan dua jenis tambak, yaitu tambak tanah dan tambak berlapis HDPE. Faktor kualitas air dianalisis setiap minggu dengan menggunakan metode pengambilan sampel komposit. Sementara itu, pengambilan sampel berat udang dilakukan setiap minggu setelah 35 hari budidaya dengan menggunakan 30 ekor udang untuk setiap tambak. Hasil penelitian menunjukkan bahwa kinerja produksi udang ditambak HDPE lebih tinggi dibandingkan tambak tanah. Tingginya kinerja produksi udang ini dikarenakan tambak HDPE memiliki parameter kualitas air yang lebih optimal dibandingkan dengan tambak tanah, terutama pada kelimpahan Cyanophyta yang lebih rendah. Selain itu, kualitas tanah di tambak tanah juga menurunkan tingkat kelangsungan hidup udang sehingga mengakibatkan rendahnya produktivitas tambak tanah. Meskipun biaya produksi untuk tambak yang dilapisi HDPE 17.54% lebih tinggi dibandingkan tambak tanah, namun biaya investasi ini dapat meningkatkan total pendapatan petambak sebesar 57.20%. Tambak HDPE menghasilkan kinerja produksi yang tinggi dan kualitas air yang lebih optimal, sehingga meningkatkan pendapatan petani dan terbukti layak secara ekonomi. Kata kunci: ekonomi, pertumbuhan, tanah, tipe tambak