Chaetoceros pauciramosus sp. nov. (Bacillariophyceae), a Widely Distributed Brackish Water Species in the C. lorenzianus Complex

Chen, Zuo Yi; Lundholm, Nina; Moestrup, Øjvind; Kownacka, Janina; Li, Yang

doi:10.1016/j.protis.2018.06.007

Cited by 7 publications

(3 citation statements)

References 16 publications

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“…Part of this pattern was that with decreasing latitude both O.clevei and C.lorenzianus displayed a greater number of interactions with other organisms. C.lorenzianus as one of the largest diatoms, is common in coastal waters throughout the global tropical and temperate regions [54]. The dominant phytoplanktonic specie often form blooms, sometimes with negative impact on coastal ecosystems and sh farms [55,56].…”

Section: The Interaction Network Between Zooplankton and Phytoplankto...mentioning

confidence: 99%

The large-scale spatial patterns of ecological networks between phytoplankton and zooplankton in coastal marine ecosystems

Zhang

Shen

et al. 2022

Science of The Total Environment

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Section: The Interaction Network Between Zooplankton and Phytoplankto...mentioning

confidence: 99%

The large-scale spatial patterns of ecological networks between phytoplankton and zooplankton in coastal marine ecosystems

Zhang

Shen

et al. 2022

Science of The Total Environment

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Section: The Interaction Network Between Zooplankton and Phytoplanktmentioning

confidence: 99%

The Large-Scale Spatial Patterns of Ecological Networks Between Phytoplankton and Zooplankton in Coastal Marine Ecosystems

Zhang¹,

Liu²,

Shen³

et al. 2020

Preprint

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BackgroundThe marine autotrophic phytoplankton is responsible for approximately half of global primary production on Earth, and as the planktonic consumers, the heterotrophic zooplankton could link the phytoplankton and higher trophic level to complete the aquatic Food Web. Despite the interaction between phytoplankton and zooplankton has played important roles in speciation and ecosystem function, little is known about the spatial patterns of their interactions at the continental scale.ResultsHere, we collected 251 seawater samples along 13,000 km of Chinese coastline, and microscopically investigated the spatial gradient patterns of phytoplanktonic and zooplanktonic diversities. In total, 307 phytoplanktonic and 311 zooplanktonic species were visually identified. The distance-decay relationships showed higher turnover rates for zooplankton than phytoplankton, indicating zooplankton had more divergent compositions across larger distances. Furthermore, the zooplankton-phytoplankton interaction networks demonstrated more complex and numerous connections along the southern coast than in the north, suggesting the interactions between these two major planktonic groups had a geographic spatial pattern. The types of planktonic interactions changed along the latitudinal gradient, with positive interactions dominant in northern and middle regions, while the percentage of positive and negative interactions were approximately equal in the southern latitudinal region. Additionally, some particular association between zooplanktonic and phytoplanktonic groups were found to be localized in specific regions, such as autotrophic C. lorenzianus was only associated with heterotrophic Copepoda in northern region, and C. oculus-iridis was only associated with Copepoda and Chaetognatha in the middle (ECS) and southern (SCS) respectively.ConclusionsWe demonstrate here that not only the planktonic biodiversity and community structure exhibited a clear spatial pattern, but also the interaction between phytoplankton and zooplankton also changed with spatial variation. Our results provide a valuable ecological perspective to the biogeography patterns of coastal plankton along the large-scale spatial gradients, and have important implications for understanding how complex planktonic species interactions changed with location variation.

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“…Molecular methods have been applied to improve species identification with great success, including describing the regularity with species new to science and uncovering substantial cryptic diversity (Balzano et al, 2017;Chamnansinp et al, 2013;Gaonkar et al, 2018;Kooistra et al, 2010). In China, a growing number of Chaetoceros species have also been identified, many of which were new species (Chen et al, 2018;Li et al, 2015Li et al, , 2017Xu et al, 2019aXu et al, , 2019b.…”

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confidence: 99%

Differential ecological adaptation of diverse Chaetoceros species revealed by metabarcoding analysis

Cui,

Liu,

et al. 2023

Environmental DNA

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Chaetoceros is a species‐rich genus of marine planktonic diatoms that play an important role in marine ecosystems both as primary producers and as species causing harmful algal blooms (HABs). In this study, we analyzed the composition and dynamic changes in Chaetoceros species in Jiaozhou Bay, China, using metabarcoding analysis of time‐series samples for the first time. Through analyzing samples collected monthly from 12 sampling sites, 25 species of Chaetoceros were detected, including nine species that were not previously reported in this ocean region, highlighting the strength of metabarcoding analysis of Chaetoceros species. Many Chaetoceros species showed strong seasonal preferences, with some species dominating in winter and spring, while others showing prominence in summer and autumn, suggesting sophisticated differential ecological adaptation. With the construction of more comprehensive datasets of reference barcodes, metabarcoding analysis could be used as the next‐generation method in ecological research on Chaetoceros species and phytoplankton species of other genera.

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Chaetoceros pauciramosus sp. nov. (Bacillariophyceae), a Widely Distributed Brackish Water Species in the C. lorenzianus Complex

Cited by 7 publications

References 16 publications

The large-scale spatial patterns of ecological networks between phytoplankton and zooplankton in coastal marine ecosystems

The large-scale spatial patterns of ecological networks between phytoplankton and zooplankton in coastal marine ecosystems

The Large-Scale Spatial Patterns of Ecological Networks Between Phytoplankton and Zooplankton in Coastal Marine Ecosystems

Differential ecological adaptation of diverse Chaetoceros species revealed by metabarcoding analysis

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