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231225s2022 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.13233
|2 doi
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|a pubmed24n1253.xml
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|e rakwb
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|a eng
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|a Chimura, Kanako
|e verfasserin
|4 aut
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|a Phylogeography of a canopy-forming kelp, Eisenia bicyclis (Laminariales, Phaeophyceae), based on a genome-wide sequencing analysis
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 14.04.2022
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|a Date Revised 09.01.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2022 Phycological Society of America.
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|a Analyses of phylogeographic patterns and genetic diversity provide fundamental information for the management and conservation of species. However, little is published about these patterns in Japanese kelp species. In this study, we conducted phylogeographic analyses of a canopy-forming kelp, Eisenia bicyclis, based on genome-wide SNPs identified by ddRAD-seq. We obtained 1,299 SNPs for 76 samples from nine localities across the distribution. STRUCTURE, NeighborNet, and discriminant analysis of principal components consistently showed high genetic differentiation among the Eastern Pacific, Central Pacific, and Sea of Japan coastal regions. Relatively strong gene flow was detected only within populations in the Eastern Pacific and in the Sea of Japan. Genetic diversity and genetic uniqueness were high in the Central Pacific and low in the Sea of Japan. These results suggest that there were at least three independent refugia corresponding to the three regions during the Last Glacial Maximum (LGM). Furthermore, relatively larger populations in the Central Pacific and smaller populations in the Sea of Japan have been maintained in the demographic history from before the LGM to the present. These phylogeographic histories were supported by an Approximate Bayesian Computation analysis. From a conservation genetics perspective, the loss of southern populations in the Central Pacific would greatly reduce the total genetic diversity of the species. Southern populations in the Sea of Japan, which have relatively low genetic diversity, may be highly vulnerable to environmental change, such as heat waves and increased feeding. Therefore, careful monitoring and conservation are needed in the two regions
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Arthrothamnaceae
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| 650 |
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|a ddRAD-seq
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|a demography
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| 650 |
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|a genetic diversity
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| 650 |
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|a genetic structure
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| 650 |
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|a kelp forest
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| 650 |
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4 |
|a phylogeography
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| 700 |
1 |
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|a Akita, Shingo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Iwasaki, Takaya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Nagano, Atsushi J
|e verfasserin
|4 aut
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| 700 |
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|a Shimada, Satoshi
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 58(2022), 2 vom: 11. Apr., Seite 318-329
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnns
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| 773 |
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|g volume:58
|g year:2022
|g number:2
|g day:11
|g month:04
|g pages:318-329
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|u http://dx.doi.org/10.1111/jpy.13233
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