2023
DOI: 10.3390/jmse11050904
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Long-Term Variations of Biogenic Elements and Nutritional Status in Daya Bay, Northern South China Sea

Abstract: This study explored the variations in the characteristics of the trophic structure of Daya Bay island waters over the last four decades based on the survey findings and research data on biogenic elements (dissolved inorganic nitrogen (DIN), NO2−, NO3−, NH4+, PO43−, and SiO32−) in Daya Bay during 1985–2021. At this time, the DIN concentration increased from 21.14 µg·L−1 to 558.42 µg·L−1 (26.41-fold increase), whereas the SiO32− concentration increased by only 3.6-fold. The PO43− concentrations attained a peak i… Show more

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Cited by 4 publications
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“…In this study, the main component of DIN was NH 4 -N, which may come from the large amount of aquaculture activities along the north coast of the strait [27]. In addition, the pollutants from coastal Guangdong might also contribute to this phenomenon, along with increasing DIN levels in marine ecosystems [28]. Moreover, Lao et al indicated that the nutrients through the Qiongzhou Strait to the Beibu Gulf mainly come from coastal Guangdong [29].…”
Section: Hydrodynamic Factors and Artificial Activities Impacting Wat...mentioning
confidence: 62%
“…In this study, the main component of DIN was NH 4 -N, which may come from the large amount of aquaculture activities along the north coast of the strait [27]. In addition, the pollutants from coastal Guangdong might also contribute to this phenomenon, along with increasing DIN levels in marine ecosystems [28]. Moreover, Lao et al indicated that the nutrients through the Qiongzhou Strait to the Beibu Gulf mainly come from coastal Guangdong [29].…”
Section: Hydrodynamic Factors and Artificial Activities Impacting Wat...mentioning
confidence: 62%