Root structure: in situ studies through sap flow research

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F11%3A00174563" target="_blank" >RIV/62156489:43410/11:00174563 - 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
Root structure: in situ studies through sap flow research
Original language description
Sap flow research highlights new perspectives to study in situ root structure of large trees. Several examples demonstrate the ability of the Heat Field Deformation method, HFD, to do this under natural and experimental conditions. Within the latter, localized irrigation, sink or source severing trigger sap flow responses that help to understand the unknowns of the tree hidden belowground, such as the presence of anastomoses between roots of different trees. The vertical profile of root density, as wellas root size around a tree, can be derived from the stem sap flow radial profile. Increase of stem flow due to localized irrigation may be used to distinguish root location near the stem sector. Responses of root or stem sap flow when exposing roots byan air-spade or following the severing of roots or branches may help to understand the relationships between different sapwood conducting layers and paths of water between sources and sinks.
Czech name
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Czech description
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Publication year
2011
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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