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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1111/jpy.12976
|2 doi
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|a pubmed24n1253.xml
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|a (DE-627)NLM307006050
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|a (NLM)32108344
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Ebbing, Alexander
|e verfasserin
|4 aut
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| 245 |
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|a How light and biomass density influence the reproduction of delayed Saccharina latissima gametophytes (Phaeophyceae)
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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 19.11.2020
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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 © 2020 The Authors. Journal of Phycology published by Wiley Periodicals, Inc. on behalf of Phycological Society of America.
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|a Kelp life-cycle transitions are complex and susceptible to various (a)biotic controls. Understanding the microscopic part of the kelp's lifecycle is of key importance, as gametophytes form a critical phase influencing, among others, the distributional limits of the species. Many environmental controls have been identified that affect kelp gametogenesis, whose interactive effects can be subtle and counterintuitive. Here we performed a fully factorial experiment on the (interactive) influences of light intensity, light quality, and the Initial Gametophyte Density (IGD) on Saccharina latissima reproduction and vegetative growth of delayed gametophytes. A total of 144 cultures were followed over a period of 21 d. The IGD was a key determinant for reproductive success, with increased IGDs (≥0.04 mg DW · mL-1 ) practically halting reproduction. Interestingly, the effects of IGDs were not affected by nutrient availability, suggesting a resource-independent effect of density on reproduction. The Photosynthetically Usable Radiation (PUR), overarching the quantitative contribution of both light intensity and light quality, correlated with both reproduction and vegetative growth. The PUR furthermore specifies that the contribution of light quality, as a lifecycle control, is a matter of absorbed photon flux instead of color signaling. We hypothesize that (i) the number of photons absorbed, independent of their specific wavelength, and (ii) IGD interactions, independent of nutrient availability, are major determinants of reproduction in S. latissima gametophytes. These insights help understand kelp gametophyte development and dispersal under natural conditions, while also aiding the control of in vitro gametophyte cultures
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|a Journal Article
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|a Saccharina latissima
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4 |
|a Gametophyte
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4 |
|a Initial Gametophyte Density
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| 650 |
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4 |
|a Interaction
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| 650 |
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4 |
|a Kelp
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4 |
|a Lifecycle control
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| 650 |
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4 |
|a Light intensity
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| 650 |
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4 |
|a Light quality
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| 650 |
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4 |
|a Photosynthetically Usable Radiation
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| 650 |
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4 |
|a Reproduction
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| 650 |
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4 |
|a Vegetative growth
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| 700 |
1 |
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|a Pierik, Ronald
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bouma, Tjeerd
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kromkamp, Jacco C
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Timmermans, Klaas
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Journal of phycology
|d 1966
|g 56(2020), 3 vom: 22. Juni, Seite 709-718
|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:3
|g day:22
|g month:06
|g pages:709-718
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|u http://dx.doi.org/10.1111/jpy.12976
|3 Volltext
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|d 56
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|h 709-718
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