Application of modified clay in intensive mariculture pond: Impacts on nutrients and phytoplankton

Nutrients and phytoplankton associated with mariculture development are important concerns globally, as they can significantly impact water quality aquaculture yield. Currently, there is still insufficient information regarding the variations in nutrients community of intensive systems, effective treatment lacking. Here, based on consecutive daily monitoring two Litopenaeus vannamei ponds from July to October, dynamic were elucidated. In addition, modified clay (MC) method was adopted regulate community. The temporal organic inorganic presented fluctuating upward trends. Notably, dominant species, average proportions TON/P TN/P high 75.29% 87.36%, respectively. Furthermore, a marked increase ratios dinoflagellates diatoms abundance also observed control pond, concurrently nutrients, ascending N/P ratio decreasing Si/N Si/P ratios. MC-regulated MC reduced contents both nutrients. distinct change pattern occurred, green algae becoming most abundant pond. This study provide new insights into an for managing maintaining sustainable development.