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The importance of plant genotype and contemporary evolution for terrestrial ecosystem processes.

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Title: The importance of plant genotype and contemporary evolution for terrestrial ecosystem processes.
Authors: Fitzpatrick, Connor R.1, Agrawal, Anurag A.2, Basiliko, Nathan3, Hastings, Amy P.2, Isaac, Marney E.4, Preston, Michael5, Johnson, Marc T. J.1
Source: Ecology. Oct2015, Vol. 96 Issue 10, p2632-2642. 11p.
Subjects: Plant genomes, Ecosystems, Looping (Education), Biennials (Plants)
Abstract: Plant genetic variation and evolutionary dynamics are predicted to impact ecosystem processes but these effects are poorly understood. Here we test the hypothesis that plant genotype and contemporary evolution influence the flux of energy and nutrients through soil, which then feedback to affect seedling performance in subsequent generations. We conducted a multiyear field evolution experiment using the native biennial plant Oenothera biennis. This experiment was coupled with experimental assays to address our hypothesis and quantify the relative importance of evolutionary and ecological factors on multiple ecosystem processes. Plant genotype, contemporary evolution, spatial variation, and herbivory affected ecosystem processes (e.g., leaf decay, soil respiration, seedling performance, N cycling), but their relative importance varied between specific ecosystem variables. Insect herbivory and evolution also contributed to a feedback that affected seedling biomass of O. biennis in the next generation. Our results show that heritable variation among plant genotypes can be an important factor affecting local ecosystem processes, and while effects of contemporary evolution were detectable and sometimes strong, they were often contingent on other ecological factors. [ABSTRACT FROM AUTHOR]
Copyright of Ecology 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: Engineering Source
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DbLabel: Engineering Source
An: 110420593
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PubType: Academic Journal
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  Data: The importance of plant genotype and contemporary evolution for terrestrial ecosystem processes.
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  Data: <searchLink fieldCode="JN" term="%22Ecology%22">Ecology</searchLink>. Oct2015, Vol. 96 Issue 10, p2632-2642. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Plant+genomes%22">Plant genomes</searchLink><br /><searchLink fieldCode="DE" term="%22Ecosystems%22">Ecosystems</searchLink><br /><searchLink fieldCode="DE" term="%22Looping+%28Education%29%22">Looping (Education)</searchLink><br /><searchLink fieldCode="DE" term="%22Biennials+%28Plants%29%22">Biennials (Plants)</searchLink>
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  Data: Plant genetic variation and evolutionary dynamics are predicted to impact ecosystem processes but these effects are poorly understood. Here we test the hypothesis that plant genotype and contemporary evolution influence the flux of energy and nutrients through soil, which then feedback to affect seedling performance in subsequent generations. We conducted a multiyear field evolution experiment using the native biennial plant Oenothera biennis. This experiment was coupled with experimental assays to address our hypothesis and quantify the relative importance of evolutionary and ecological factors on multiple ecosystem processes. Plant genotype, contemporary evolution, spatial variation, and herbivory affected ecosystem processes (e.g., leaf decay, soil respiration, seedling performance, N cycling), but their relative importance varied between specific ecosystem variables. Insect herbivory and evolution also contributed to a feedback that affected seedling biomass of O. biennis in the next generation. Our results show that heritable variation among plant genotypes can be an important factor affecting local ecosystem processes, and while effects of contemporary evolution were detectable and sometimes strong, they were often contingent on other ecological factors. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Ecology 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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        Value: 10.1890/14-2333.1
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        Text: English
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      – SubjectFull: Looping (Education)
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