| Grant number: | 11/23706-0 |
| Support Opportunities: | Research Grants - Visiting Researcher Grant - International |
| Start date: | May 06, 2012 |
| End date: | June 15, 2012 |
| Field of knowledge: | Physical Sciences and Mathematics - Geosciences - Meteorology |
| Principal Investigator: | Osvaldo Machado Rodrigues Cabral |
| Grantee: | Osvaldo Machado Rodrigues Cabral |
| Visiting researcher: | Daniel Epron |
| Visiting researcher institution: | Université Henri Poincaré Nancy 1 , France |
| Host Institution: | Embrapa Meio-Ambiente. Empresa Brasileira de Pesquisa Agropecuária (EMBRAPA). Jaguariúna , SP, Brazil |
| City of the host institution: | Jaguariúna |
Abstract
The labeling experiment will give an integrative vision of the whole tree in terms of carbon fluxes and allocation including a better understanding of the peculiarities of carbon allocation in contrasting environmental conditions (fertilized versus non fertilized and rain fed versus water limited). The environmental impact on residence time of carbon into metabolic, structural or storage pools, and on the rate of carbon transfer between the different tree compartments will be known and will help us to improve the carbon balance models which will lead to a better estimation of carbon flux and stocks in eucalypt plantations, and a more precise assessment of the functional link between photosynthesis, plant respiration and carbon partitioning. Furthermore, the labeling pulse should give us information about the time lag between the photosynthetic uptake and the use of assimilates for wood formation in the trunk and it should help us to improve our knowledge of long-term carbon allocation to the wood and to assess carbon transfer in the wood. (AU)
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