Dynamics of fine root carbon in Amazonian tropical ecosystems and the contribution of roots to soil respiration

Radiocarbon (¹⁴C) provides a measure of the mean age of carbon (C) in roots, or the time elapsed since the C making up root tissues was fixed from the atmosphere. Radiocarbon signatures of live and dead fine (<2 mm diameter) roots in two mature Amazon tropical forests are consistent with average...

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Bibliographic Details
Published in:	Global change biology Vol. 12; no. 2; pp. 217 - 229
Main Authors:	Trumbore, Susan, Costa, Enir Salazar Da, Nepstad, Daniel C, Barbosa De Camargo, Plínio, Martinelli, Luiz A, Ray, David, Restom, Teresa, Silver, Whendee
Format:	Journal Article
Language:	English
Published:	Oxford, UK Oxford, UK : Blackwell Science Ltd 01.02.2006 Blackwell Science Ltd Blackwell Publishing Ltd
Subjects:	Amazonia belowground biodegradation biogeochemical cycles biological activity in soil Brazil carbon carbon cycle Carbon dioxide decomposition Ecosystems fine root forest litter forest soils gas emissions Organic matter Plant tissues radiocarbon radiolabeling radionuclides Rainforests rhizosphere root respiration Roots soil microorganisms Soil organic matter soil respiration Soils tropical forest Tropical forests tropical soils turnover Turnover time Brazil Amazonia
ISSN:	1354-1013, 1365-2486
Online Access:	Get full text
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