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Drought Reduces Water Uptake in Beech from the Drying Topsoil, But No Compensatory Uptake Occurs from Deeper Soil Layers
Abstract: The intensity and frequency of droughts events are projected to increase in future with expected adverse effects for forests. Thus, information on the dynamics of tree water uptake from different soil layers during and after drought is crucial. We applied an in situ water isotopologue monitoring system to determine the oxygen iso- tope composition in soil and xylem water of European beech with a 2-h resolution together with measurements of soil water content, transpiration and tree water deficit. Using a Bayesian isotope mixing model, we inferred the relative and absolute contribution of water from four different soil layers to tree water use. Beech took up more than 50% of its wat...
Kopfsteinpflaster
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Ausbruch aus der "Malthusianischen Falle"
In der zweiten Hälfte des 18. Jahrhunderts setzte die Bevölkerung Europas zu einem beschleunigten, nachhaltigen Wachstum an. Entgegen der pessimistischen Populationstheorie von Robert Thomas Malthus (1766-1834) gelang es der vorindustriellen Gesellschaft, jahrhundertealte ökonomische Schranken zu überwinden und aus der «Malthusianischen Falle» auszubrechen. Auch der Staat Bern reihte sich in diesen epochalen Wandel ein. Wie stand es dabei aber um die Versorgung der Bevölkerung? Wie schaffte es das alte Bern, die Fesseln der Subsistenzökonomie zu lockern? Und welche langfristigen strukturellen Folgen waren damit verbunden? Diesen drei Fragen geht der Autor nach. Er verfolgt einen interdisziplinären Ansatz und verbindet die historische Methode mit der ökonomischen Theorie. Bislang nicht ausgewertetes Archivmaterial, ein über das Staatsgebiet hinausreichender Bezugsrahmen sowie die Ergebnisse statistisch-ökonometrischer Datenanalysen führen den Leser in neuer Perspektive an ein Stück Berner Wirtschaftsgeschichte heran, in dem wichtige Weichen für die Zukunft gestellt wurden.
Describing and Modeling Variation in Grammar
The aim of the volume is to bridge the 'cultural gap' between sociolinguistics and theoretical linguistics in the study of variation. The various contributions seek to combine corpus-based and competence-based approaches. They document the plurality
Selective Catalytic Reduction of NOx
This book is a printed edition of the Special Issue "Selective Catalytic Reduction of NOx" that was published in Catalysts
Little Girl
When a cursed stuffed animal is given to an unknowing victim, the spirit of Abby May, a vengeful little dead girl, lashes out blindly at the living. However, as Abby's bloodlust leads her back to those responsible for her death, she begins to piece together the truth about how she died and how she lived. Now collected as a complete graphic novel, this terrifying, emotional powerhouse horror story writer Pat Shand and artist Olivia Pelaez challenges every ghost story you've ever been told.
Null Pronouns
Most natural languages display an inventory of pronominal elements that obligatorily or optionally remain phonologically null in a few, in many or even in all syntactic surroundings. The authors of the papers compiled in this book analyse such null pronouns in a synchronic and diachronic way and recover the specific morphological and syntactic prerequisites for their origin and insertion.
A Marginal Jew
The Anchor Bible reference library. Contents: v. 2 Mentor, message, and miracles. Includes bibliographical references & indexes.
