Academic Journal
Facilitative Effects of Alnus viridis ssp. fruticosa on Betula nana ssp. exilis Growth in Arctic Alaska.
| Title: | Facilitative Effects of Alnus viridis ssp. fruticosa on Betula nana ssp. exilis Growth in Arctic Alaska. |
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| Authors: | Drew, Jackson W., Bret‐Harte, Marion Syndonia, Buchwal, Agata, Ruess, Roger |
| Source: | Ecology & Evolution (20457758); Jun2026, Vol. 16 Issue 6, p1-15, 15p |
| Subject Terms: | Birch, Nitrogen fixation, Plant growth, Climate change, Tundra ecology, Dendrochronology, Deciduous plants |
| Geographic Terms: | Alaska, Arctic regions |
| Abstract: | Arctic deciduous shrubs have responded to warming by increasing cover and extent, but how plant interactions (i.e., facilitation and competition) among deciduous shrub species might influence their climate sensitivities and overall growth remains unclear. Here, we investigate two deciduous shrubs: Betula nana ssp. exilis (dwarf birch) and Alnus viridis ssp. fruticosa (Siberian alder), the Arctic's only tall N‐fixing shrub, to determine how Siberian alder affects the growth of nearby dwarf birch. We harvested dwarf birch shrubs growing 'near' (i.e., within 1 m) and 'away' (≥ 3 m) from Siberian alders growing along the Sagwon Bluffs in Arctic Alaska for dendrochronological analysis. Dwarf birch traits and other site characteristics, including height, leaf N, catkin production, frost damage, and snow depth, were measured at additional sites nearby. We discovered locations 'near' Siberian alder had greater snow depth, which delayed the growing season for nearby dwarf birch, but likely protected them from early‐season frost damage. We estimated that radial growth occurring within 1979–2016 was delayed by 9 days, and peak radial growth was delayed by 2 weeks, for dwarf birch growing 'near' as compared to 'away' from alder. This resulted in different climate sensitivities for dwarf birch between locations. Measures of dwarf birch height, catkin abundance, leaf N, and average growth ring area were greater for plants 'near' alder than those 'away' from alder. This suggests that Siberian alder increased N mineralization and soil N availability under the deeper snowpack. Siberian alder facilitated dwarf birch growth. Through plant–plant interactions, Siberian alder altered the strength and type of stressors dwarf birch experienced, resulting in a change to the seasonality of its radial growth. Therefore, high‐spatial resolution species composition data could be included in vegetation models to predict future tundra growth responses more accurately to a changing climate. [ABSTRACT FROM AUTHOR] |
| Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Complementary Index |
| FullText | Text: Availability: 0 CustomLinks: – Url: https://resolver.ebsco.com/c/fiv2js/result?sid=EBSCO:edb&genre=article&issn=20457758&ISBN=&volume=16&issue=6&date=20260601&spage=1&pages=1-15&title=Ecology & Evolution (20457758)&atitle=Facilitative%20Effects%20of%20Alnus%20viridis%20ssp.%20fruticosa%20on%20Betula%20nana%20ssp.%20exilis%20Growth%20in%20Arctic%20Alaska.&aulast=Drew%2C%20Jackson%20W.&id=DOI:10.1002/ece3.73535 Name: Full Text Finder (for New FTF UI) (ns324271) Category: fullText Text: Full Text Finder MouseOverText: Full Text Finder |
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| Items | – Name: Title Label: Title Group: Ti Data: Facilitative Effects of Alnus viridis ssp. fruticosa on Betula nana ssp. exilis Growth in Arctic Alaska. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Drew%2C+Jackson+W%2E%22">Drew, Jackson W.</searchLink><br /><searchLink fieldCode="AR" term="%22Bret‐Harte%2C+Marion+Syndonia%22">Bret‐Harte, Marion Syndonia</searchLink><br /><searchLink fieldCode="AR" term="%22Buchwal%2C+Agata%22">Buchwal, Agata</searchLink><br /><searchLink fieldCode="AR" term="%22Ruess%2C+Roger%22">Ruess, Roger</searchLink> – Name: TitleSource Label: Source Group: Src Data: Ecology & Evolution (20457758); Jun2026, Vol. 16 Issue 6, p1-15, 15p – Name: Subject Label: Subject Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Birch%22">Birch</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrogen+fixation%22">Nitrogen fixation</searchLink><br /><searchLink fieldCode="DE" term="%22Plant+growth%22">Plant growth</searchLink><br /><searchLink fieldCode="DE" term="%22Climate+change%22">Climate change</searchLink><br /><searchLink fieldCode="DE" term="%22Tundra+ecology%22">Tundra ecology</searchLink><br /><searchLink fieldCode="DE" term="%22Dendrochronology%22">Dendrochronology</searchLink><br /><searchLink fieldCode="DE" term="%22Deciduous+plants%22">Deciduous plants</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Alaska%22">Alaska</searchLink><br /><searchLink fieldCode="DE" term="%22Arctic+regions%22">Arctic regions</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: Arctic deciduous shrubs have responded to warming by increasing cover and extent, but how plant interactions (i.e., facilitation and competition) among deciduous shrub species might influence their climate sensitivities and overall growth remains unclear. Here, we investigate two deciduous shrubs: Betula nana ssp. exilis (dwarf birch) and Alnus viridis ssp. fruticosa (Siberian alder), the Arctic's only tall N‐fixing shrub, to determine how Siberian alder affects the growth of nearby dwarf birch. We harvested dwarf birch shrubs growing 'near' (i.e., within 1 m) and 'away' (≥ 3 m) from Siberian alders growing along the Sagwon Bluffs in Arctic Alaska for dendrochronological analysis. Dwarf birch traits and other site characteristics, including height, leaf N, catkin production, frost damage, and snow depth, were measured at additional sites nearby. We discovered locations 'near' Siberian alder had greater snow depth, which delayed the growing season for nearby dwarf birch, but likely protected them from early‐season frost damage. We estimated that radial growth occurring within 1979–2016 was delayed by 9 days, and peak radial growth was delayed by 2 weeks, for dwarf birch growing 'near' as compared to 'away' from alder. This resulted in different climate sensitivities for dwarf birch between locations. Measures of dwarf birch height, catkin abundance, leaf N, and average growth ring area were greater for plants 'near' alder than those 'away' from alder. This suggests that Siberian alder increased N mineralization and soil N availability under the deeper snowpack. Siberian alder facilitated dwarf birch growth. Through plant–plant interactions, Siberian alder altered the strength and type of stressors dwarf birch experienced, resulting in a change to the seasonality of its radial growth. Therefore, high‐spatial resolution species composition data could be included in vegetation models to predict future tundra growth responses more accurately to a changing climate. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Group: Ab Data: <i>Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1002/ece3.73535 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 15 StartPage: 1 Subjects: – SubjectFull: Alaska Type: general – SubjectFull: Arctic regions Type: general – SubjectFull: Birch Type: general – SubjectFull: Nitrogen fixation Type: general – SubjectFull: Plant growth Type: general – SubjectFull: Climate change Type: general – SubjectFull: Tundra ecology Type: general – SubjectFull: Dendrochronology Type: general – SubjectFull: Deciduous plants Type: general Titles: – TitleFull: Facilitative Effects of Alnus viridis ssp. fruticosa on Betula nana ssp. exilis Growth in Arctic Alaska. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Drew, Jackson W. – PersonEntity: Name: NameFull: Bret‐Harte, Marion Syndonia – PersonEntity: Name: NameFull: Buchwal, Agata – PersonEntity: Name: NameFull: Ruess, Roger IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 06 Text: Jun2026 Type: published Y: 2026 Identifiers: – Type: issn-print Value: 20457758 Numbering: – Type: volume Value: 16 – Type: issue Value: 6 Titles: – TitleFull: Ecology & Evolution (20457758) Type: main |
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