Tracing the journey of elements from fish feed to Nile Tilapia Faeces to Black Soldier Fly Larvae a comparative approach - Yakti, Wael 1987-; Shaw, Christopher 1965-; Müller, Marcus 1977-; Mewis, Inga 1974-; Kloas, Werner 1959-; Ulrichs, Christian 1968- (Humboldt-Universität zu Berlin, 2024)