Higher Levels of Multiple Paternities Increase Seedling Survival in the Long-Lived Tree Eucalyptus gracilis
<p> The dataset aims at studying associations between mating system parameters and fitness in natural populations of trees. Fifty-eight open-pollinated progeny arrays were collected from trees in three populations. Progeny were planted in a reciprocal transplant trial. Fitness was measured by family establishment rates. We genotyped all trees and their progeny at eight microsatellite loci. Planting site had a strong effect on fitness, but seed provenance and seed provenance × planting site did not. Populations had comparable mating system parameters and were generally outcrossed, experienced low biparental inbreeding and high levels of multiple paternity. As predicted, seed families that had more multiple paternities also had higher fitness, and no fitness-inbreeding correlations were detected. Demonstrating that fitness was most affected by multiple paternities rather than inbreeding, we provide evidence supporting the constrained inbreeding hypothesis; i.e. that multiple paternity may impact on fitness over and above that of inbreeding, particularly for preferentially outcrossing trees at life stages beyond seed development. This dataset could potentially be reused for meta-analysis or review of effects of habitat fragmentation on plants (e.g. pollination, mating system, genetic diversity etc). Please contact owner prior to re-use. </p>
<p>This is part of the authors' PhD at the University of Adelaide, supervised by Prof Andrew Lowe, Dr Mike Gardner and Dr Kym Ottewell. Main goals of the project were 1. Examine and quantify the impact of fragmentation and tree density on mating patterns, and how this may vary with pollinators of differing mobility 2. Determine the theoretical expectations and perform empirical tests of mating pattern-fitness relationships in trees 3. Explore the plant genetic resource management implications that arise from the observations in aims 1 and 2 </p>
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Identification info
- Date (Creation)
- 2009-09-17
- Date (Publication)
- 2015-01-29
- Date (Revision)
- 2024-06-20
- Edition
- 1
Identifier
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- Website
- https://www.tern.org.au/
- Purpose
- Studying associations between mating system parameters and fitness in natural populations of trees advances our understanding of how local environments affect seed quality, and thereby helps to predict when inbreeding or multiple paternities should impact on fitness. Indeed, for species that demonstrate inbreeding avoidance, multiple paternities (i.e. the number of male parents per half-sib family) should still vary and regulate fitness more than inbreeding named here as the constrained inbreeding hypothesis. We test this hypothesis in <i>Eucalyptus gracilis</i>, a predominantly insect-pollinated tree.
- Credit
- We at TERN acknowledge the Traditional Owners and Custodians throughout Australia, New Zealand and all nations. We honour their profound connections to land, water, biodiversity and culture and pay our respects to their Elders past, present and emerging.
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- Biota
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- Description
- IBRA region: Murray-Darling Basin; Murray-Darling Depression.
))
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- 2009-09-17 2015-01-01
- Title
- Higher Levels of Multiple Paternities Increase Seedling Survival in the Long-Lived Tree Eucalyptus gracilis
- Website
-
Higher Levels of Multiple Paternities Increase Seedling Survival in the Long-Lived Tree Eucalyptus gracilis
Related documentation
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- Australian Plant Name Index
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- Ecosystem Assessment And Management (9605)
- Flora, Fauna And Biodiversity (9608)
- Land And Water Management (9609)
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- The Creative Commons Attribution 4.0 International (CC BY 4.0) license allows others to copy, distribute, display, and create derivative works provided that they credit the original source and any other nominated parties. Details are provided at https://creativecommons.org/licenses/by/4.0/
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- (C)2015 University of Adelaide. Rights owned by University of Adelaide.
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- OnLine resource
- ro-crate-metadata.json
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- Reciprocal transplant experiment and microsatellite genotyping of open-pollinated progeny arrays : Fifty-eight open-pollinated progeny arrays were collected from trees in three populations. Progeny were planted in a reciprocal transplant trial. Fitness was measured by family establishment rates. We genotyped all trees and their progeny at eight microsatellite loci.
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- Dataset
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- EPSG/EPSG:3577
- Reference system type
- Geodetic Geographic 2D
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urn:uuid/dcace60b-0d07-4268-9baa-be652370503d
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- Title
- Mating system and early viability resistance to habitat fragmentation in a bird-pollinated eucalypt
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https://geonetwork.tern.org.au/geonetwork/srv/eng/catalog.search#/metadata/dcace60b-0d07-4268-9baa-be652370503d
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- Date info (Creation)
- 2022-09-26T00:00:00
- Date info (Revision)
- 2024-06-20T00:00:00
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- ISO 19115-1:2014/AMD 1:2018 Geographic information - Metadata - Fundamentals
- Edition
- 1
Metadata standard
- Title
- ISO/TS 19115-3:2016
- Edition
- 1.0
Metadata standard
- Title
- ISO/TS 19157-2:2016
- Edition
- 1.0
- Title
- Terrestrial Ecosystem Research Network (TERN) Metadata Profile of ISO 19115-3:2016 and ISO 19157-2:2016
- Date (published)
- 2021
- Edition
- 1.0
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