Recently, the Department of Basic Research of the Ministry of Science and Technology presided over the acceptance meeting of the 973 project “Basic Research on the Formation Mechanism and Prevention of Lake Blue Algae Bloom Ecological Disastersâ€. The acceptance expert team was composed of academician Sun Honglie and other representatives of the Chinese Academy of Sciences . On behalf of the project, Wu Qinglong, the chief scientist of the project and a researcher of the Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, reported on the completion of the planned tasks, the research level and innovation, the effectiveness of the project, the research team and talent training, organizational management and academic exchanges. Xie Ping, Wu Qinglong, a researcher at the Nanjing Institute of Geography and Limnology, and Pan Gang, a researcher at the Ecology Center, respectively reported new evidence of the impact of microcystin on human health, the mechanism of algal-derived lake pandemic occurrence and its preventive measures, the outbreak of lake cyanobacterial bloom Three representative achievements including its emergency response technology for disasters. The expert group reviewed the relevant materials, and after careful questioning and discussion, they believed that the project had completed all the assessment indicators and tasks specified in the mission statement, and they unanimously agreed that the project passed the acceptance. Through systematic research, the project has achieved outstanding results in the following aspects: 1. Identify the main derived pollutants of Microcystis blooms, the environmental processes in lakes and their toxicological effects. Understand the composition of microcystis bloom-derived pollutants, establish an analysis method of major pollutants, clarify the environmental processes of major pollutants in lakes, reveal the toxicity analysis and toxicological effects of major pollutants, and preliminary analyze the health of major pollutants risk. 2. To reveal the mechanism of cyanobacterial blooms leading to catastrophic changes in lake biological communities, mainly including the mechanism of cyanobacterial blooms causing local changes in clear water ecosystems, the mechanism of nutrient transfer between the micro food loop and the classic food chain, and the miniaturization of key functional groups. 4 important aspects including its mechanism and the influence mechanism of cyanobacterial bloom on the important biological resources of the lake. 3. To elucidate the rapid circulation mechanism of phosphorus in lakes driven by cyanobacterial blooms, mainly including the formation and mineralization of cyanobacterial blooms promoting organic aggregates, the microbiological mechanism of rapid circulation of phosphorus in organic aggregates, and the promotion of water by cyanobacterial blooms- There are four important aspects: the mechanism of phosphorus release at the sediment interface and the maintenance mechanism of the rapid cycling of phosphorus on the stability of cyanobacterial blooms. 4. Explore new technology principles for responding to cyanobacterial blooms and disasters, including modified local soil algae removal technology principles, water quality improvement technology principles in algae ecosystems, restoration of submerged plants and stability mechanisms of clear water ecosystems etc. An important aspect. The project published a total of 277 papers, including 180 SCI papers, 21 papers in the top 5% of JCR, 3 monographs published, 16 authorized patents, including 8 invention patents, 1 international patent, consultation report approved by the central leadership One, training 2 National Outstanding Youth Fund winners, 1 Chinese Academy of Sciences Outstanding 100 Talents Program winner, 1 Chinese Academy of Sciences 100 Talents Program winner, 2 National Outstanding Youth Fund Winners, 200 graduate students, 20 post-doctors.
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