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New Phytologist
Article
Data sources: UnpayWall
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New Phytologist
Article . 2013 . Peer-reviewed
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https://dx.doi.org/10.7916/d85...
Other literature type . 2013
Data sources: Datacite
New Phytologist
Article . 2014
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Age, allocation and availability of nonstructural carbon in mature red maple trees

Authors: Czimczik, Claudia I.; Carbone, Mariah S.; Keenan, Trevor F.; Murakami, Paula F.; Pederson, Neil; Schaberg, Paul G.; Xu, Xiaomei; +1 Authors

Age, allocation and availability of nonstructural carbon in mature red maple trees

Abstract

Summary The allocation of nonstructural carbon (NSC) to growth, metabolism and storage remains poorly understood, but is critical for the prediction of stress tolerance and mortality. We used the radiocarbon (14C) ‘bomb spike’ as a tracer of substrate and age of carbon in stemwood NSC, CO2 emitted by stems, tree ring cellulose and stump sprouts regenerated following harvesting in mature red maple trees. We addressed the following questions: which factors influence the age of stemwood NSC?; to what extent is stored vs new NSC used for metabolism and growth?; and, is older, stored NSC available for use? The mean age of extracted stemwood NSC was 10 yr. More vigorous trees had both larger and younger stemwood NSC pools. NSC used to support metabolism (stem CO2) was 1–2 yr old in spring before leaves emerged, but reflected current‐year photosynthetic products in late summer. The tree ring cellulose 14C age was 0.9 yr older than direct ring counts. Stump sprouts were formed from NSC up to 17 yr old. Thus, younger NSC is preferentially used for growth and day‐to‐day metabolic demands. More recently stored NSC contributes to annual ring growth and metabolism in the dormant season, yet decade‐old and older NSC is accessible for regrowth.

Country
United States
Keywords

570, Time Factors, C-13, Plant Biology & Botany, carbohydrates, Plant Biology, Acer, Models, Biological, Biochemistry, Ecological applications, Trees, stem respiration, storage, Models, C, stump, Biomass, Cellulose, 580, Plant biology, Carbon Isotopes, Principal Component Analysis, Agricultural and Veterinary Sciences, Plant Stems, 13 C, Botany, sprouts, Biological Sciences, Carbon Dioxide, Biological, Carbon, Acer rubrum, Climate change impacts and adaptation, radiocarbon, ring growth

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    citations
    This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    197
    popularity
    This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
    Top 1%
    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
    Top 10%
    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
    Top 1%
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citations
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
197
Top 1%
Top 10%
Top 1%
Green
bronze