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- W4285221390 abstract "摘要: 在红树林覆盖区域和光滩沉积物中存在着丰富的微生物群落,这些微生物在驱动红树林湿地的生物地球化学过程中起着至关重要的作用.深入了解东寨港红树林湿地沉积物中微生物的多样性分布特征,对探究东寨港红树林湿地中的生物地球化学过程和湿地的生态保护具有重要意义.本研究采用Illumina Miseq高通量测序技术,在东寨港的演丰西河和三江河采集108个沉积物样品,分析其地球化学和微生物群落特征,探讨不同环境因子对两岸红树林覆盖区域和光滩微生物群落的影响.结果显示:Proteobacteria是东寨港红树林沉积物中的优势种群,沉积物中微生物丰度和多样性随深度整体上呈减小趋势;演丰西河和三江河沉积物中微生物群落结构存在显著差异;pH是控制光滩区域沉积物中微生物群落结构的主要环境因子,而盐度是控制红树林表层沉积物中微生物群落结构的环境因子.上述研究结果表明:东寨港红树林沉积物中微生物分布特征和群落结构受到了人类活动的影响,微生物丰度和多样性随深度整体呈减小的变化趋势,不同采样区域沉积物中微生物群落结构存在明显差异,该差异是自然因素(盐度和pH)和人为因素(水产养殖)双重作用的结果. 关键词: 东寨港 / 微生物 / 群落结构 / 环境因子 / 环境地质" @default.
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- W4285221390 date "2022-01-01" @default.
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- W4285221390 title "东寨港红树林沉积物中微生物群落结构特征及其对环境的响应" @default.
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