Abstract
It has been of high concern that the phosphorus pollution is getting serious after lake eutrophication in the Taihu Lake, the third largest freshwater lake in China. As a sensitive recorder of the ambient water and fish exposures, fish otolith has been studied as a potential dynamic monitor of water quality by many biologists and mineralogists. In order to work out the correlation of phosphorus enrichment in carp otoliths to the ambient water of the carps, the phosphorus concentration in carp otoliths was measured in situ using laser ablation plasma mass spectrometry (LA-ICP-MS) and comparison with the relevant data of the water was conducted. Significant positive correlation was found for phosphorus concentration in carp otoliths to the ambient water in the corresponding time. Therefore, the wild carp otoliths have the potential to act as an environmental indicator of water phosphorus pollution and lake eutrophication. Key words : Carp otoliths, environmental pollution, lake eutrophication, phosphorus enrichment, mineral monitoring, Taihu Lake.
Highlights
Water is a natural resource for human survival. 70% of the river water has been polluted and 40% almost has lost its basic function
In order to work out the correlation of phosphorus enrichment in carp otoliths to the ambient water of the carps, the phosphorus concentration in carp otoliths was measured in situ using laser ablation plasma mass spectrometry (LA-ICP-MS) and comparison with the relevant data of the water was conducted
Strong enrichment of phosphorus in lappillae from water was found in Xiaoxi port of the Taihu Lake, and the phosphorus content in lappillae was 2 to 4 orders of magnitude higher than that in the water
Summary
Water is a natural resource for human survival. 70% of the river water has been polluted and 40% almost has lost its basic function. Water is a natural resource for human survival. 70% of the river water has been polluted and 40% almost has lost its basic function. The worst part is that more than 95% was polluted when flowing through cities (Jiang, 2010). As China's third largest freshwater lake, Taihu Lake flows through Shanghai, Suzhou, Wuxi, Changzhou and Hangzhou. With the increasing utilization of The Taihu Lake and a large number of domestic sewage (nitrogen, phosphorus and other pollutants) emissions, the organic pollution and lake eutrophication are getting worse and worse. There is lack of drinking water for millions of people in Wuxi because of the bloom of blue-green algae in the Taihu Lake in 2007, with more concern focused onthe lake eutrophication. It is necessary to explore more economical, efficient and effective approach for dynamic monitoring and evaluation of water quality
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
