期刊
JOURNAL OF HAZARDOUS MATERIALS
卷 443, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.jhazmat.2022.130090
关键词
Aquaculture impact; Pesticides; Polychlorinated biphenyls; Multimedia environmental modeling; Food web bioaccumulation; Contaminant fate and behavior
As the demand for sustainable marine aquaculture and marine food supply increases worldwide, there is a need for new tools to assess the impact of aquaculture on local ecosystems. This article introduces a model developed for studying the effects of aquaculture in Marlborough Sounds, New Zealand.
As demand for sustainable marine aquaculture (mariculture) and marine food supply surges worldwide, there is a growing need for new tools to assess mariculture impacts on local ecosystems, including the cycling of toxic organic contaminants. With this in mind, we developed the Contaminant Fate in Aquaculture-Modified Eco-systems (CFAME) model. The current model was designed to explore the fate of mariculture-derived organic contaminants in the Marlborough Sounds, New Zealand, known for its Chinook salmon farming industry. Model evaluation indicated robust model design, with 80% of modeled concentrations falling within a factor of ten of measured ones for native biota. Model results showed that mariculture was a source of organic contaminants in the sediment even at the Marlborough Sounds regional level and in wild marine fishes with high trophic levels near the farm area. Future research attention should be directed toward measuring chemicals with low log KAW (<0) and high log KOW values (e.g., >3) in sediment, and chemicals with log KOW values of 3-9 in wild fish.
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