5.结论


本系统研究首次加深了我们对添加SPC后受污染沉积物的内部生化过程和微生物群落结构（包括分类组成、功能预测和代谢活性分析）的理解。我们发现产生了溶解物质，提高了微生物群落的活性。此外，添加SPC后，微生物群落结构表现出剂量依赖性偏差。这表明在生态工程中应考虑使用SPC剂量，因为这对于降低原位修复成本至关重要。本研究为SPC在生态工程中的应用提供了有价值的参考。


致谢


本研究得到了中国公益科学农业科研专项基金（201503108）、国家自然科学基金（51678163,51508111,51308133）、中国国家重点技术研究计划（2018YFD050202）、中国优秀青年学者自然科学基金（51422803）的资助。广东省科技项目（2014TX01Z038、2014A030308019、2016B00701017、2015A020215、2015A020215016）、广东省科学技术发展专项（2017GDASCX-0401）、广州市珠江科技新星计划（201806010050）、广州市科技项目（201707020021）。


附录A.补充数据


有关本文的补充数据，请访问https://doi.org/10.1016/j.chemosphere.2018.07.120.


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环境变量和微生物群落对污染沉积物中添加过碳酸钠的响应——摘要、介绍

环境变量和微生物群落对污染沉积物中添加过碳酸钠的响应——材料和方法

环境变量和微生物群落对污染沉积物中添加过碳酸钠的响应——结果和讨论

环境变量和微生物群落对污染沉积物中添加过碳酸钠的响应——结论、致谢！