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Root architecture and allocation patterns of eight native tropical species with different successional status used in open-grown mixed plantations in Panama

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Issue date
2008-04-19
Author
Coll Mir, Lluís
Potvin, Catherine
Messier, Christian
Delagrange, Sylvain
Suggested citation
Coll Mir, Lluís; Potvin, Catherine; Messier, Christian; Delagrange, Sylvain; . (2008) . Root architecture and allocation patterns of eight native tropical species with different successional status used in open-grown mixed plantations in Panama. Trees - Structure and Function, 2008, vol. 22, núm. 4, p. 585-596. https://doi.org/10.1007/s00468-008-0219-6.
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Abstract
We investigated biomass allocation and root architecture of eight tropical species with different successional status, as classified from the literature, along a size gradient up to 5 m. We focused on belowground development, which has received less attention than aboveground traits. A discriminant analysis based upon a combination of allocational and architectural traits clearly distinguished functional types and classified species according to successional status at a 100% success rate. For a given plant diameter, the pioneer species presented similar root biomass compared to the non-pioneer ones but higher cumulative root length and a higher number of root apices. A detailed study on the root system of a sub-sample of three species showed that the most late-successional species (Tabebuia rosea) had longer root internodes and a higher proportion of root biomass allocated to the taproot compared to the other two species (Hura crepitans and Luehea seemannii). Most pioneer species showed a higher leaf area ratio due to a higher specific leaf area (SLA). We conclude that the functional differences between pioneer and non-pioneer tree species found in natural forests were maintained in open-grown plantation conditions.
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http://hdl.handle.net/10459.1/68367
DOI
https://doi.org/10.1007/s00468-008-0219-6
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Trees - Structure and Function, 2008, vol. 22, núm. 4, p. 585-596
European research projects
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  • Articles publicats (Enginyeria Agroforestal) [384]

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