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Ammonium release via dissolution and biological mineralization of food pellets used in salmon farming

Authors :
Angel Rain-Franco
Camila Fernandez
Verónica Molina
Claudia Rojas
COPAS SURAUSTRAL Program
Universidad de Concepción [Chile]
Centro FONDAP de Investigación en Dinámica de Ecosistemas Marinos de Altas Latitudes (IDEAL)
Universidad Austral de Chile
Interdisciplinary Center for Aquaculture Research = Centro Interdisciplinario de Investigación en Acuicultura Sustentable [Concepción, Chile] (INCAR)
Laboratoire d'Océanographie Microbienne (LOMIC)
Centre National de la Recherche Scientifique (CNRS)-Sorbonne Université (SU)-Institut national des sciences de l'Univers (INSU - CNRS)-Observatoire océanologique de Banyuls (OOB)
Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Centre National de la Recherche Scientifique (CNRS)
Universidad de Concepción - University of Concepcion [Chile]
Source :
Aquaculture Research, Aquaculture Research, Wiley, 2019, 51 (2), pp.779-793. ⟨10.1111/are.14428⟩
Publication Year :
2019
Publisher :
Hindawi Limited, 2019.

Abstract

We studied the input of ammonium coming from the dissolution of food pellets commonly used in salmon farming as well as its potential for mineralization via ammonification and ammonium oxidation by natural bacterioplankton communities. Through experiments in central and southern Chile, we evaluated the potential for photo‐ and bio‐ammonification of food pellets in surface and subsurface waters (30 m depth) using irradiated (PAR + UV; IPS) and non‐irradiated dissolved‐pellet solutions (NIPS). Ammonium release was observed in both IPS and NIPS treatments and occurred at short time scales (

Details

ISSN :
13652109 and 1355557X
Volume :
51
Database :
OpenAIRE
Journal :
Aquaculture Research
Accession number :
edsair.doi.dedup.....26f5b7f6ceff7352b991f3eccbc38f3a
Full Text :
https://doi.org/10.1111/are.14428