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| Fältnamn | Indikatorer | Metadata |
|---|---|---|
| 000 | 04284naa a2200517 4500 | |
| 001 | oai:DiVA.org:uu-513565 | |
| 003 | SwePub | |
| 008 | 231015s2024 | |||||||||||000 ||eng| | |
| 024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-5135652 URI |
| 024 | 7 | a https://doi.org/10.1002/ajb2.162732 DOI |
| 040 | a (SwePub)uu | |
| 041 | a engb eng | |
| 042 | 9 SwePub | |
| 072 | 7 | a ref2 swepub-contenttype |
| 072 | 7 | a art2 swepub-publicationtype |
| 100 | 1 | a Sletvold, Ninau Uppsala universitet,Växtekologi och evolution4 aut0 (Swepub:uu)ninsl697 |
| 245 | 1 0 | a Fine-scale genetic structure in the orchid Gymnadenia conopsea is not associated with density of flowering plants |
| 264 | 1 | b John Wiley & Sons,c 2024 |
| 338 | a electronic2 rdacarrier | |
| 520 | a Premise: Density-dependent pollinator visitation can lead to density-dependent mating patterns and within-population genetic structure. In Gymnadenia conopsea, individuals in low-density patches receive more self pollen than individuals in high-density patches, suggesting higher relatedness at low density. Ongoing fragmentation is also expected to cause more local matings, potentially leading to biparental inbreeding depression.Methods: To evaluate whether relatedness decreases with local density, we analyzed 1315 SNP loci in 113 individuals within two large populations. We quantified within-population genetic structure in one of the populations, recorded potential habitat barriers, and visualized gene flow using estimated effective migration surfaces (EEMS). We further estimated the magnitude of biparental inbreeding depression that would result from matings restricted to within 5 m.Results: There was no significant relationship between local density and relatedness in any population. We detected significant fine-scale genetic structure consistent with isolation by distance, with positive kinship coefficients at distances below 10 m. Kinship coefficients were low, and predicted biparental inbreeding depression resulting from matings within the closest 5 m was a modest 1–3%. The EEMS suggested that rocks and bushes may act as barriers to gene flow within a population.Conclusions: The results suggest that increased self-pollen deposition in sparse patches does not necessarily cause higher selfing rates or that inbreeding depression results in low establishment success of inbred individuals. The modest relatedness suggests that biparental inbreeding depression is unlikely to be an immediate problem following fragmentation of large populations. The results further indicate that habitat structure may contribute to governing fine-scale genetic structure in G. conopsea. | |
| 650 | 7 | a NATURVETENSKAPx Biologix Genetik0 (SwePub)106092 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Genetics0 (SwePub)106092 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Biologix Botanik0 (SwePub)106072 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Botany0 (SwePub)106072 hsv//eng |
| 650 | 7 | a NATURVETENSKAPx Biologix Ekologi0 (SwePub)106112 hsv//swe |
| 650 | 7 | a NATURAL SCIENCESx Biological Sciencesx Ecology0 (SwePub)106112 hsv//eng |
| 653 | a coancestry | |
| 653 | a density-dependence | |
| 653 | a fine-scale genetic structure | |
| 653 | a gene flow | |
| 653 | a kinship | |
| 653 | a local density | |
| 653 | a orchid | |
| 653 | a pollen dispersal | |
| 653 | a relatedness | |
| 653 | a seed dispersal | |
| 653 | a Biology with specialization in Ecological Botany | |
| 653 | a Biologi med inriktning mot ekologisk botanik | |
| 700 | 1 | a Joffard, Ninau Unité Evolution-Ecologie-Paléontologie, UMR 8198, University of Lille, France4 aut |
| 700 | 1 | a Söderquist, Linusu Uppsala universitet,Zooekologi,Växtekologi och evolution4 aut0 (Swepub:uu)linso268 |
| 710 | 2 | a Uppsala universitetb Växtekologi och evolution4 org |
| 773 | 0 | t American Journal of Botanyd : John Wiley & Sonsg 111:2q 111:2x 0002-9122x 1537-2197 |
| 856 | 4 | u https://doi.org/10.1002/ajb2.16273y Fulltext |
| 856 | 4 | u https://uu.diva-portal.org/smash/get/diva2:1804990/FULLTEXT01.pdfx primaryx Raw objecty fulltext:print |
| 856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-513565 |
| 856 | 4 8 | u https://doi.org/10.1002/ajb2.16273 |
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