Roots of pioneer trees in the Amazonian rain forest.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F00%3A41401012" target="_blank" >RIV/62156489:43410/00:41401012 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Roots of pioneer trees in the Amazonian rain forest.
Original language description
On low fluvial terraces of the Caquetá River, Colombia, tree root systems have been examined with regard to their structure, underground stratification and biomass distribution. Excavations of skeleton roots and microscopic observation of terminal fine roots included ten species belonging to the Cecropia,Vismia,Goupia,Clathrotropis and Brosimum genera. Coarse skeleton roots differed in the shape and position of the plagiotropic branches and positively geotropic taproots or sinkers. In the two seasons ofstudy, the terminal roots displayed prevailingly secondary anatomical structure and did not maintain much primary anatomical tissues in their apices. Neither ectomycorrhizas nor endomycorrhizas were detected in the samples. In a set of regeneration stages the amount of tree roots linearly increased with the age of the growths, however, fine roots below 2 mm thickness shared between 80 to 90% of all roots in the upper 20 cm layer of all sample plots.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
ED - Physiology
OECD FORD branch
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Project
<a href="/en/project/GA526%2F99%2FP044" target="_blank" >GA526/99/P044: Secondary succession of tropical rain forests in western Amazon with regard to tree root systems dynamic</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2000
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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