Spatial variability of water quality and sedimentary organic matter during winter season in coastal aquaculture zone of Korea

Water Quality Management in Aquaculture

“…In these natural waters where cage aquaculture or extractive aquaculture are common, pollutants are mainly associated with anthropogenic activities in the catchment and upstream areas. Kim et al (2022a) used 15-N isotopic signatures to show that organic pollutants in estuaries and coastal areas were mainly contributed by sources related to anthropogenic activities including organic fertilizers and aquaculture discharges exported through rivers.…”

“…All these environmental changes could affect the livelihoods of the local communities (da Silva Morales at al., 2022;Nagaraju et al, 2022;Menon et al 2023). Kim et al (2022a) reported that an increasing number of farms in the coastal area resulted in the release of organic wastes derived from excess feed and fish metabolites. Yang et al (2021) and Chiquito-Contreras et al (2022) reported that approximately 27% to 49% of the feeds supplied to aquaculture production ponds are converted to fish products while the rest goes to wastes that are https://doi.org/10.1017/wat.2024.6 Published online by Cambridge University Press usually discharged into the nearby water bodies, and eventually form one of the factors that negatively affect the aquaculture value chain.…”