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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.12930
|2 doi
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|a pubmed24n1006.xml
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|a (DE-627)NLM302025308
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|a (NLM)31595519
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|a DE-627
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|a eng
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|a Bellgrove, Alecia
|e verfasserin
|4 aut
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| 245 |
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|a Maintenance of Complex Life Cycles Via Cryptic Differences In The Ecophysiology Of Haploid And Diploid Spores Of An Isomorphic Red Alga1
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|c 2020
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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
|b cr
|2 rdacarrier
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|a Date Completed 13.07.2020
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|a Date Revised 13.07.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2019 Phycological Society of America.
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|a Recognition of the wide diversity of organisms that maintain complex haploid-diploid life cycles has generated interest in understanding the evolution and persistence of such life cycles. We empirically tested the model where complex haploid-diploid life cycles may be maintained by subtle/cryptic differences in the vital rates of isomorphic haploid-diploids, by examining the ecophysiology of haploid tetraspores and diploid carpospores of the isomorphic red alga Chondrus verrucosus. While tetraspores and carpospores of this species did not differ in size or autofluorescence, concentrations of phycobiliproteins of carpospores were greater than that of tetraspores. However, tetraspores were more photosynthetically competent than carpospores over a broader range of photosynthetic photon flux densities (PPFDs) and at PPFDs found at both the depth that C. verrucosus is found at high tide and in surface waters in which planktonic propagules might disperse. These results suggest potential differences in dispersal potential and reproductive success of haploid and diploid spores. Moreover, these cryptic differences in ecological niche partitioning of haploid and diploid spores contribute to our understanding of some of the differences between these ploidy stages that may ultimately lead to the maintenance of the complex haploid-diploid life cycle in this isomorphic red alga
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Rhodophyta
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|a diplohaplontic
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|a ecological niche partitioning
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|a macroalgae
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|a photosynthesis
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| 650 |
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4 |
|a pigments
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| 700 |
1 |
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|a Nakaya, Fumio
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Serisawa, Yukihiko
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Matsuyama-Serisawa, Kazuyo
|e verfasserin
|4 aut
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| 700 |
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|a Kagami, Yayoi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Jones, Paul M
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Suzuki, Heikichi
|e verfasserin
|4 aut
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|a Kawano, Shigeyuki
|e verfasserin
|4 aut
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|a Aoki, Masakazu N
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 56(2020), 1 vom: 15. Feb., Seite 159-169
|w (DE-627)NLM098182994
|x 1529-8817
|7 nnns
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| 773 |
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|g volume:56
|g year:2020
|g number:1
|g day:15
|g month:02
|g pages:159-169
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|u http://dx.doi.org/10.1111/jpy.12930
|3 Volltext
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