土著微生物原位激活技术在水生态修复中的应用研究

Application of Indigenous Microbial Activation in Ecological Restoration of Aquatic Ecosystem

随着经济发展、城市化加快,大量有机物、氮、磷等污染物进入水体,致使水体富营养甚至黑臭。土著微生物原位激活是通过水生植物恢复、底质优化、人工水草铺设等,提供微生物附着基质,引导土著微生物群落形成。微生物恢复是水生态系统恢复的关键,常用于水生态系统恢复,如富营养水体、黑臭、养殖等水体,应用效果良好。工程应用时,应根据水体的服务功能,选择适宜的原位激活措施,视情况辅以曝气增氧、促生剂等,优化微生物群落结构,维持生态系统的生态完整性。

With the rapid development of economic and urbanization,plentiful pollutants(e.g.organic matter,nitrogen and phosphorus)were discharged into natural water-bodies,resulting in eutrophication and even blacked and odorized.Indigenous microbial activation(IMA)furnishes attached substrates(e.g.aquatic plant,substrate,artificial plant)for indigenous microorganisms,inducing formation of indigenous microbial communities.Recovery of microbial communities is critical in ecosystem rehabilitation,being widely used to restore impaired ecosystems,such as water eutrophication,blacked and odorized,aquaculture.Planners and designers should take into account of ecological functions,flood prevention and drainage,selecting suitable IMA technologies.Besides,auxiliary measures(e.g.aeration and microbial activator)can be utilized to celebrate and optimize microbial communities,maintaining ecological integrity of ecosystems.