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Journal : limnotek

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.
Co-Authors Adianto, Asep Agus Oman Sudrajat Agus Triwanda Wanda Agus Waluyo Ahmad Nashrullah Albert Gamot Malau Alfisah, Rizal Khoirun Ali Mashar Alimuddin Alina Akhdiya Amalia Nur Milla Amri Priyadi Anwar, Rifky Alwafi Aprida Anggraini Atma Jaya Salman Muin Bianingrum Bianingrum Chandra Yudistira, Chandra Chrisliana, Chrisliana Chrismadha, Tjandra Daniel Djokosetiyanto DEDI JUSADI Dinamella Wahjuningrum Eddy Supriyono Ee Ling, Yong Eni Kusrini Eva Prasetiyono Eva Prasetiyono Pras Evi Susanti Fauzan Wahib Alsani Haris luthfi Hasan Nasrullah Hendriana, Andri Hutagaol, Manuntun Paruliah I Gede Made Wirabrata I. Effendi Ide Permatasari Iis Diatin Ima Kusumanti Imam Tri Wahyudi Iman Rusmana Iman Sari Lubis, Vina Irzal Effendi Izhar Amirul Haq K. Nirmala Kosasih Kukuh Nirmala Kuntari, Wahyu Budi Kurnia Faturochman, Kurnia Kurnia Faturrohman Kurniawan, Ahmad Rahardi Lena Novita Lesmana, Dudi Lila Antara, Kadek Mafatih Devi Safrina, Mafatih Devi Malta Malta Melati, Aulia Firda Mia Setiawati Moh. Burhanuddin Mahmud Muhammad Muhammad Muhammad Saifuddin Mulyana N Hutomo Nadeak, Horas Nafisyah, Eva Naila K Aini Nasrul, Muit Novita MZ Odang Carman Orbita Roiyan Dhuha, Orbita Roiyan Peter Funch Prastomo, Arul Tabah Priyo Handoyo Wicaksono Putri Utami, Putri Radhita Millaty Rahmadani, Thoy Batun Citra Rahmatulloh Arifin Rani Nuraisah Ridwan Affandi RIDWAN AFFANDI RIDWAN AFFANDI Rina Hesti Utami Robin Satya, Awalina Setyo Pertiwi Sinung Rahardjo Siska Tridesianti SISKA TRIDESIANTI Sri Nuryati Sri Nuryati Subekti Nurmawati Sugiarti Sukenda, Sukenda, Sukma Dhani Sumi Lestari, Fajar Syamsul Bahri Agus, Syamsul Bahri T. Widiyanto Tanjung, Tanjung Tatag Budiardi Tri Widiyanto Tridesianti, Siska Tyas Setioaji Vika Yuniar Wardani, Sulistia Wijianto Wijianto Wijianto Wijianto Wildan Nurusallam Wildan Nurusallam, Wildan Wildan Nurussalam Wildan, Dudi Muhammad Y. Hadiroseyani Yonvitner - Yuli Siti Fatma Yuli Siti Fatma Yusli Wardiatno Zairion Zulfana Fikru Sifa