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Thesis . 2018
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Kas arukask (Betula pendula) omastab lehtedega kastevett?

descriptionPublicationkeyboard_double_arrow_right Thesis 01 Jan 2018 Estonia Estonian Publisher:Tartu Ülikool
Authors: Pall, Linda;

handle: 10062/60972

Kas arukask (Betula pendula) omastab lehtedega kastevett?

Abstract

Bakalaureusetöö peamine eesmärk on välja selgitada, kas arukask (Betula pendula) omastab lehtedega kastevett. Lisaks uuriti, kas koidueelsel ajal esineb lehtede ja mulla vaheline veepotentsiaalide tasakaalustamatus ning millistest keskkonnafaktoritest see sõltub. Veel uuriti, kas õhu kunstlik niisutamine mõjutab uuritavaid parameetreid. Katse viidi läbi metsaökosüsteemi õhuniiskusega manipuleerimise (Free Air Humidity Manipulation, FAHM) katsealal, mille katseringid jagunevad kontroll- ja niisutusringideks. Viimastes toimub õhu kunstlik niisutamine. Läbi viidud mõõtmiste tulemused näitasid, et tingimustes, kus puudel ei esine veedefitsiiti, arukase lehed kastevett ei omasta. Küll aga esines koidu eel lehtede ja mulla vaheline veepotentsiaalide tasakaalustamatus, mille peamiseks põhjuseks oli öine transpiratsioon. Õhu kunstlikul niisutamisel mingit mõju uuritavatele tunnustele ei leitud.

Country
Estonia
Related Organizations
Keywords

arukask, bakalaureusetööd, Betula pendula, predawn disequilibrium, FAHM, foliar water uptake, koidueelne veepotentsiaalide tasakaalustamatus, transpiration, kastevesi, transpiratsioon

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
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