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Spatial and phylogenetic structure of DNA-species of Alpine stonefly community assemblages across seven habitats

View ORCID ProfileMaribet Gamboa, View ORCID ProfileJoeselle Serrana, Yasuhiro Takemon, View ORCID ProfileMichael T. Monaghan, Kozo Watanabe
doi: https://doi.org/10.1101/765578
Maribet Gamboa
1Ehime University, Department of Civil and Environmental Engineering, Matsuyama, Japan
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Joeselle Serrana
1Ehime University, Department of Civil and Environmental Engineering, Matsuyama, Japan
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Yasuhiro Takemon
2Water Resources Research Center, Disaster Prevention Research Institute, Kyoto University, 6110011 Gokasho, Uji, Japan
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Michael T. Monaghan
3Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Mueggelseedamm 301, 12587 Berlin, Germany
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Kozo Watanabe
1Ehime University, Department of Civil and Environmental Engineering, Matsuyama, Japan
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  • For correspondence: watanabe_kozo@cee.ehime-u.ac.jp
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Abstract

  1. Stream ecosystems are spatially heterogeneous environments due to the habitat diversity that define different microhabitat patches within a single area. Despite the influence of habitat heterogeneity on the biodiversity of insect community, little is known about how habitat heterogeneity governs species coexistence and community assembly. Here, we address the question if habitat heterogeneity may drive changes in community composition of the stonefly (Plecoptera, Insecta) community in different sampling locations, by assessing the relative role of the habitats that explain beta biodiversity patterns (spatial structure) and evolutionary processes (phylogenetic signal) in structuring communities.

  2. We sampled across seven habitats types among 20 sampling sites in Alpine rivers, and we used mitochondrial DNA, cox1, and nuclear DNA, ITS, genetic markers on 21 stoneflies morpho-species to estimate putative DNA-species by General Mixed Yule Coalescent model (GMYC). With the use of putative DNA-species, we first analyzed the patterns of variation of DNA-species richness, composition, and diversity of stonefly community assessing their habitat correlates. Then, we assessed through a phylogenetic clustered pattern if DNA-species with similar physiological requirements co-occur due to environmental filtering.

  3. Based on 52 putative DNA-species, we found that corridors contributed to DNA-species richness where the meandering corridor section displayed the highest contribution. While, habitats contributed to DNA-species diversity, where glide, riffle, and pool influenced the spatial structure of the stonefly community possible owed to the high species turnover observed.

  4. Among the habitats, pool showed a significant phylogenetic clustering, suggesting evolutionary adaptation and strong habitat filtering. This pattern of community phylogenetic structure could have resulted from the long-term stability of the habitat and physiological requirements of the species that cohabitate.

  5. Our study shows the importance of different habitats on the spatial and phylogenetic structure of stonefly community assemblies and sheds light on the habitat-specific diversity that may help improve conservation practices.

Copyright 
The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted September 11, 2019.
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Spatial and phylogenetic structure of DNA-species of Alpine stonefly community assemblages across seven habitats
Maribet Gamboa, Joeselle Serrana, Yasuhiro Takemon, Michael T. Monaghan, Kozo Watanabe
bioRxiv 765578; doi: https://doi.org/10.1101/765578
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Spatial and phylogenetic structure of DNA-species of Alpine stonefly community assemblages across seven habitats
Maribet Gamboa, Joeselle Serrana, Yasuhiro Takemon, Michael T. Monaghan, Kozo Watanabe
bioRxiv 765578; doi: https://doi.org/10.1101/765578

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