Patterns and Processes in Marine Microeukaryotic Community Biogeography from Xiamen Coastal Waters and Intertidal Sediments, Southeast China

Frontiers in Microbiology
Weidong ChenWenjing Zhang

Abstract

Microeukaryotes play key roles in the structure and functioning of marine ecosystems. Little is known about the relative importance of the processes that drive planktonic and benthic microeukaryotic biogeography in subtropical offshore areas. This study compares the microeukaryotic community compositions (MCCs) from offshore waters (n = 12) and intertidal sediments (n = 12) around Xiamen Island, southern China, using high-throughput sequencing of 18S rDNA. This work further quantifies the relative contributions of spatial and environmental variables on the distribution of marine MCCs (including total, dominant, rare and conditionally rare taxa). Our results showed that planktonic and benthic MCCs were significantly different, and the benthic richness (6627 OTUs) was much higher than that for plankton (4044 OTUs) with the same sequencing effort. Further, we found that benthic MCCs exhibited a significant distance-decay relationship, whereas the planktonic communities did not. After removing two unique sites (N2 and N3), however, 72% variation in planktonic community was explained well by stochastic processes. More importantly, both the environmental and spatial factors played significant roles in influencing the biogeography of ...Continue Reading

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Citations

Jun 21, 2019·MicrobiologyOpen·Wenxue Wu, Bangqin Huang
Jul 12, 2020·Applied and Environmental Microbiology·Shaoqing ZhangFangang Meng
Apr 2, 2021·Microbial Ecology·Qicheng XuPhilippe Vandenkoornhuyse
Sep 21, 2021·Frontiers in Microbiology·Weiwei LiuYehui Tan

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Datasets Mentioned

BETA
PRJNA342297
SRP089752

Methods Mentioned

BETA
PCR
Illumina Sequencing

Software Mentioned

R Core Team
vegan
QIIME
ANOSIM
UPARSE
FLASH
Multivariate Cutoff Level Analysis ( MultiCoLA )
MultiCoLA
MOTHUR
R

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