Publications by authors named "Zhonglian Lian"
Article Synopsis
- The study examined the concentrations and sources of 7 potentially toxic elements (PTEs) in seawater, sediments, and marine organisms from subtropical bays in southern China, revealing significant health risks for humans due to bioaccumulation in the food chain.
- Zinc (Zn) was found to be the most prevalent element in seawater, while cadmium (Cd) had notably high levels in sediments, exceeding background values, although mercury (Hg) and Cd levels in fish and other organisms were relatively low.
- The main sources of PTEs were identified as natural processes, industrial sewage, and agricultural runoff, suggesting the need for strategies to reduce contamination and protect both marine ecosystems and human health.
Recently, microplastics (MPs) have attracted extensive attention to their wide distribution and potential toxicity in ecosystems. However, there was a lack of research focused on MPs in seaweed bed ecosystems. This study investigated the distribution and toxicity of MPs in macrobenthos in Sargassum ecosystem.
View Article and Find Full Text PDFLittle is known about the labile and recalcitrant sediment organic carbon (SOC) in estuarine ecosystem, and the effects of human activities on SOC sequestration also remain poorly understood. In this study, sediment cores in the Pearl River Estuary (PRE) and adjacent coastal areas in the South China Sea were collected to analyse variations in the sources of SOC and its labile and recalcitrant pools. Concentrations of SOC, microbial biomass carbon (MBC), and recalcitrant organic carbon (ROC) ranged from 4.
View Article and Find Full Text PDFTo assess the effect of nutrient enrichment on the source and composition of sediment organic carbon (SOC) beneath Thalassia hemprichii and Enhalus acoroides in tropical seagrass beds, Xincun Bay, South China Sea, intertidal sediment, primary producers, and seawater samples were collected. No significant differences on sediment δ(13)C, SOC, and microbial biomass carbon (MBC) were observed between T. hemprichii and E.
View Article and Find Full Text PDF