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Diversity and co-occurrence networks of picoeukaryotes as a tool for indicating underlying environmental heterogeneity in the Western Pacific Ocean
Marine Environmental Research ( IF 3.3 ) Pub Date : 2021-06-01 , DOI: 10.1016/j.marenvres.2021.105376
Qian Liu 1 , Qiannan Zhao 2 , Yong Jiang 3 , Yan Li 2 , Chenru Zhang 2 , Xianrong Li 2 , Xiaowen Yu 2 , Liyang Huang 2 , Min Wang 3 , Guipeng Yang 4 , Hongtao Chen 4 , Jiwei Tian 5
Affiliation  

Picoeukaryotes are an essential component of microbial communities and play key roles in marine ecosystems. In this study, surface water picoeukaryotes were investigated at 32 stations along a latitudinal cross-section of the Western Pacific (WP) in 2015. Multivariate analyses demonstrated that there were clear spatial patterns in picoeukaryotic community structures which were consistent with the distributions of environmental variables. The spatial patterns of community structures and diversity indices were all significantly correlated with multiple environmental parameters, especially nutrients. Co-occurrence networks linked community variability to environmental heterogeneity. In summary, the construction of picoeukaryotic communities in the WP was significantly affected by numerous environmental variables, and certain variables were revealed as key forcing factors responsible for the main similarities between picoeukaryotic communities. This study details the relationships between the picoeukaryotes and environmental parameters in the WP, and provides insight for application of using picoeukaryotes as indicator in future bioassessment for open waters.



中文翻译:

微核生物的多样性和共生网络作为表明西太平洋潜在环境异质性的工具

微核生物是微生物群落的重要组成部分,在海洋生态系统中发挥着关键作用。本研究于 2015 年在西太平洋 (WP) 横断面的 32 个站点对地表水微核生物进行了调查。 多元分析表明,微核生物群落结构存在明显的空间模式,与环境变量的分布一致. 群落结构的空间格局和多样性指数均与多种环境参数显着相关,尤其是养分。共现网络将社区变异性与环境异质性联系起来。总之,WP中微核生物群落的构建受到众多环境变量的显着影响,某些变量被揭示为导致微核生物群落之间主要相似性的关键因素。本研究详细介绍了 WP 中微核生物与环境参数之间的关系,并为在未来开放水域生物评估中使用微核生物作为指标的应用提供了见解。

更新日期:2021-06-03
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