文献类型： 外文期刊
作者： Deng, Yiqin 1 ; Liu, Songlin 2 ; Feng, Juan 1 ; Wu, Yunchao 2 ; Mao, Can 1 ;
作者机构： 1.Chinese Acad Fishery Sci, Key Lab South China Sea Fishery Resources Exploit, Guangdong Prov Key Lab Fishery Ecol & Environm, South China Sea Fisheries Res Inst,Minist Agr & R, Guangzhou 510300, Peoples R China
2.Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Trop Marine Bioresources & Ecol, Guangzhou 510301, Peoples R China
3.South China Sea Inst Oceanol, Sanya Inst Oceanol, Key Lab Trop Marine Biotechnol Hainan Prov, Sanya 572100, Peoples R China
关键词： Seagrass meadows; Bacterial pathogen; Thalassia hemprichii; Enhalus acoroides; Trapped particles
期刊名称：MARINE POLLUTION BULLETIN （ 影响因子：5.553； 五年影响因子：5.907 ）
ISSN： 0025-326X
年卷期： 2021 年 166 卷
页码：
收录情况： SCI
摘要： To analyze the mechanism of bacterial pathogen removal in seagrass meadows, we compared bacterial pathogens abundance in trapped particles in different seagrass meadows under different intensities of human activities. We compared the particle deposition rates and abundances of bacterial pathogen in Thalassia hemprichii, Enhalus acoroides stands and adjacent unvegetated patches. The bacterial pathogens abundance was much higher in E. acoroides than in adjacent unvegetated patches, however, the trapped particles under T. hemprichii were lower than in nearby unvegetated areas with the exception of the pristine seagrass meadow. These results indicate that seagrass, at least E. acoroides, can remove bacterial pathogens by trapping particles. What is unknown, nevertheless, is how the trapped bacterial pathogens are removed by T. hemprichii. We put forward that antibacterial chemical compounds release from seagrass was stimulated by stress from human activities for inhibition of bacterial pathogen. This putative mechanism needs to be explored in future studies.
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