Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis
Many Arctic plants overcome limited time budgets and energy budgets by selfing, increasing the risk of inbreeding. Gynodioecious breeding systems allows for selfing by hermaphrodites, whereas enforced outcrossing through females lowers risk of inbreeding. Females persist due to female advantage in t...
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Canadian Science Publishing
2019
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Online Access: | http://dx.doi.org/10.1139/cjb-2018-0150 http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjb-2018-0150 http://www.nrcresearchpress.com/doi/pdf/10.1139/cjb-2018-0150 |
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crcansciencepubl:10.1139/cjb-2018-0150 2023-12-17T10:25:02+01:00 Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis Svoen, Mildrid Elvik Müller, Eike Brysting, Anne Krag Kålås, Ingvil Henden Eidesen, Pernille Bronken 2019 http://dx.doi.org/10.1139/cjb-2018-0150 http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjb-2018-0150 http://www.nrcresearchpress.com/doi/pdf/10.1139/cjb-2018-0150 en eng Canadian Science Publishing http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining Botany volume 97, issue 4, page 245-261 ISSN 1916-2790 1916-2804 Plant Science Ecology Ecology, Evolution, Behavior and Systematics journal-article 2019 crcansciencepubl https://doi.org/10.1139/cjb-2018-0150 2023-11-19T13:38:46Z Many Arctic plants overcome limited time budgets and energy budgets by selfing, increasing the risk of inbreeding. Gynodioecious breeding systems allows for selfing by hermaphrodites, whereas enforced outcrossing through females lowers risk of inbreeding. Females persist due to female advantage in the system. Using the gynodioecious species Silene acaulis (L.) Jacq., we compared establishment performance and female frequency in 17 populations in open, sparsely vegetated habitats versus closed, denser vegetated habitats, across a regional climate gradient in high-Arctic Svalbard. For two populations, genetics were performed using microsatellites to compare inbreeding levels between habitats. As S. acaulis is a pioneer species, we expected denser vegetation to represent more competitive environments, reducing establishment performance and increasing female frequency due to female advantage. We expected similar responses to harsher regional climate. Establishment performance was reduced in closed habitats and harsher climate, but female frequency was slightly lower in closed habitats and did not differ between regional climates. High inbreeding levels may indicate that female advantage is counteracted by pollen limitation. However, female frequency increased with latitude. Lower sun angle at higher latitudes reduce the heat-trap effect of the cushion growth form, and female advantage might be expressed as response to reduced microclimate amelioration. Article in Journal/Newspaper Arctic Silene acaulis Svalbard Canadian Science Publishing (via Crossref) Arctic Svalbard Botany 97 4 245 261 |
institution |
Open Polar |
collection |
Canadian Science Publishing (via Crossref) |
op_collection_id |
crcansciencepubl |
language |
English |
topic |
Plant Science Ecology Ecology, Evolution, Behavior and Systematics |
spellingShingle |
Plant Science Ecology Ecology, Evolution, Behavior and Systematics Svoen, Mildrid Elvik Müller, Eike Brysting, Anne Krag Kålås, Ingvil Henden Eidesen, Pernille Bronken Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis |
topic_facet |
Plant Science Ecology Ecology, Evolution, Behavior and Systematics |
description |
Many Arctic plants overcome limited time budgets and energy budgets by selfing, increasing the risk of inbreeding. Gynodioecious breeding systems allows for selfing by hermaphrodites, whereas enforced outcrossing through females lowers risk of inbreeding. Females persist due to female advantage in the system. Using the gynodioecious species Silene acaulis (L.) Jacq., we compared establishment performance and female frequency in 17 populations in open, sparsely vegetated habitats versus closed, denser vegetated habitats, across a regional climate gradient in high-Arctic Svalbard. For two populations, genetics were performed using microsatellites to compare inbreeding levels between habitats. As S. acaulis is a pioneer species, we expected denser vegetation to represent more competitive environments, reducing establishment performance and increasing female frequency due to female advantage. We expected similar responses to harsher regional climate. Establishment performance was reduced in closed habitats and harsher climate, but female frequency was slightly lower in closed habitats and did not differ between regional climates. High inbreeding levels may indicate that female advantage is counteracted by pollen limitation. However, female frequency increased with latitude. Lower sun angle at higher latitudes reduce the heat-trap effect of the cushion growth form, and female advantage might be expressed as response to reduced microclimate amelioration. |
format |
Article in Journal/Newspaper |
author |
Svoen, Mildrid Elvik Müller, Eike Brysting, Anne Krag Kålås, Ingvil Henden Eidesen, Pernille Bronken |
author_facet |
Svoen, Mildrid Elvik Müller, Eike Brysting, Anne Krag Kålås, Ingvil Henden Eidesen, Pernille Bronken |
author_sort |
Svoen, Mildrid Elvik |
title |
Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis |
title_short |
Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis |
title_full |
Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis |
title_fullStr |
Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis |
title_full_unstemmed |
Female advantage? Investigating female frequency and establishment performance in high-Arctic Silene acaulis |
title_sort |
female advantage? investigating female frequency and establishment performance in high-arctic silene acaulis |
publisher |
Canadian Science Publishing |
publishDate |
2019 |
url |
http://dx.doi.org/10.1139/cjb-2018-0150 http://www.nrcresearchpress.com/doi/full-xml/10.1139/cjb-2018-0150 http://www.nrcresearchpress.com/doi/pdf/10.1139/cjb-2018-0150 |
geographic |
Arctic Svalbard |
geographic_facet |
Arctic Svalbard |
genre |
Arctic Silene acaulis Svalbard |
genre_facet |
Arctic Silene acaulis Svalbard |
op_source |
Botany volume 97, issue 4, page 245-261 ISSN 1916-2790 1916-2804 |
op_rights |
http://www.nrcresearchpress.com/page/about/CorporateTextAndDataMining |
op_doi |
https://doi.org/10.1139/cjb-2018-0150 |
container_title |
Botany |
container_volume |
97 |
container_issue |
4 |
container_start_page |
245 |
op_container_end_page |
261 |
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1785572625760649216 |