Výsledky vyhledávání - "J. B. Gaudinski"

Use of stored carbon reserves in growth of temperate tree roots and leaf buds: analyses using radiocarbon measurements and modeling

Autor: J. B. Gaudinski, Todd E. Dawson, Susan E. Trumbore, Paul J. Hanson, Margaret S. Torn, Hooshang Majdi, William J. Riley, Christopher W. Swanston, J. D. Joslin

Publikováno v: Global Change Biology. 15:992-1014

Characterizing the use of carbon (C) reserves in trees is important for understanding regional and global C cycles, stress responses, asynchrony between photosynthetic activity and growth demand, and isotopic exchanges in studies of tree physiology a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb58592928f7f3fd91f355611b092ec3
https://doi.org/10.1111/j.1365-2486.2008.01736.x

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Measuring and modeling the spectrum of fine-root turnover times in three forests using isotopes, minirhizotrons, and the Radix model

Autor: Margaret S. Torn, J. B. Gaudinski, J. D. Joslin, William J. Riley, Todd E. Dawson, Hooshang Majdi

Publikováno v: Global Biogeochemical Cycles. 24

[1] Fine root (

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9bab2834d6194cb29af0bde12e989aed
https://doi.org/10.1029/2009gb003649

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Fine-root mortality rates in a temperate forest: estimates using radiocarbon data and numerical modeling

Autor: Paul J. Hanson, J. D. Joslin, J. B. Gaudinski, William J. Riley, Margaret S. Torn

Publikováno v: The New phytologistReferences. 184(2)

* We used an inadvertent whole-ecosystem 14C label at a temperate forest in Oak Ridge, Tennessee, USA to develop a model (Radix1.0) of fine-root dynamics. Radix simulates two live-root pools, two dead-root pools, non-normally distributed root mortali

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::94e16f00edc262b0e443b7197b33ac66
https://pubmed.ncbi.nlm.nih.gov/19694965

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Comparative analysis of cellulose preparation techniques for use with 13C, 14C, AND 18O isotopic measurements

Autor: John S Roden, Susan E Trumbore, Roderick E. Wasylishen, Darren R. Sandquist, J. B. Gaudinski, Todd E. Dawson, Se-Woung Oh, Sylvie A. Quideau, Edward A. G. Schuur

Publikováno v: Gaudinski, JB; Dawson, TE; Quideau, S; Schuur, EAG; Roden, JS; Trumbore, SE; et al.(2005). Comparative analysis of cellulose preparation techniques for use with13C,14C, and18O isotopic measurements. Analytical Chemistry, 77(22), 7212-7224. doi: 10.1021/ac050548u. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/3f81w1rc

A number of operationally defined methods exist for pretreating plant tissues in order to measure C, N, and O isotopes. Because these isotope measurements are used to infer information about environmental conditions that existed at the time of tissue

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::76ebfdf17b8ee572935b54d5b1966035
https://pubmed.ncbi.nlm.nih.gov/16285668

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