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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1111/nph.14608
|2 doi
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|a pubmed24n0907.xml
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|a (NLM)28542815
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Emel, Sarah L
|e verfasserin
|4 aut
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| 245 |
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|a Phenotypic selection varies with pollination intensity across populations of Sabatia angularis
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|c 2017
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 11.04.2018
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|a Date Revised 30.09.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2017 The Authors. New Phytologist © 2017 New Phytologist Trust.
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|a Pollinators are considered primary selective agents acting on plant traits, and thus variation in the strength of the plant-pollinator interaction might drive variation in the opportunity for selection and selection intensity across plant populations. Here, we examine whether these critical evolutionary parameters covary with pollination intensity across wild populations of the biennial Sabatia angularis. We quantified pollination intensity in each of nine S. angularis populations as mean stigmatic pollen load per population. For female fitness and three components, fruit number, fruit set (proportion of flowers setting fruit) and number of seeds per fruit, we evaluated whether the opportunity for selection varied with pollination intensity. We used phenotypic selection analyses to test for interactions between pollination intensity and selection gradients for five floral traits, including flowering phenology. The opportunity for selection via fruit set and seeds per fruit declined significantly with increasing pollen receipt, as expected. We demonstrated significant directional selection on multiple traits across populations. We also found that selection intensity for all traits depended on pollination intensity. Consistent with general theory about the relationship between biotic interaction strength and the intensity of selection, our study suggests that variation in pollination intensity drives variation in selection across S. angularis populations
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| 650 |
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|a Journal Article
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|a Sabatia angularis
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| 650 |
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4 |
|a fitness components
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| 650 |
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|a flowering phenology
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| 650 |
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4 |
|a flowering synchrony
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| 650 |
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4 |
|a opportunity for selection
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| 650 |
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4 |
|a petal area
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| 650 |
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4 |
|a phenotypic selection
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| 650 |
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4 |
|a plant-pollinator interactions
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| 700 |
1 |
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|a Franks, Steven J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Spigler, Rachel B
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 215(2017), 2 vom: 15. Juli, Seite 813-824
|w (DE-627)NLM09818248X
|x 1469-8137
|7 nnns
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| 773 |
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|g volume:215
|g year:2017
|g number:2
|g day:15
|g month:07
|g pages:813-824
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| 856 |
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|u http://dx.doi.org/10.1111/nph.14608
|3 Volltext
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