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Responses of Acer negundo genders to inter-annual differences in water availability determined from carbon isotope ratio...

J Ward Todd Dawson J Ehleringer

Published in Tree Physiology

Seasonal trends in photosynthesis and electron transport during the Mediterranean summer drought

J Osuna D Baldocchi H Kobayashi Todd Dawson

Published in Tree Physiology

Nighttime transpiration in woody plants from contrasting ecosystems.

Todd Dawson Ss Burgess Kp Tu Rs Oliveira Ls Santiago Jb Fisher Ka Simonin Anthony R. Ambrose

Published in Tree Physiology

It is commonly assumed that transpiration does not occur at night because leaf stomata are closed in the dark. We tested this assumption across a diversity of ecosystems and woody plant species by various methods to explore the circumstances when this assumption is false. Our primary goals were: (1) to evaluate the nature and magnitude of nighttime...

Estimating water use by sugar maple trees: important considerations when using heat-pulse methods in trees with large fu...

R Pausch E Grote Todd Dawson

Published in Tree Physiology

What the towers don t see at night: nocturnal sap flow in trees and shrubs at two AmeriFlux sites in California.

Jb Fisher Dd Baldocchi L Misson Todd Dawson Ah Goldstein

Published in Tree Physiology

At the leaf scale, it is a long-held assumption that stomata close at night in the absence of light, causing transpiration to decrease to zero. Energy balance models and evapotranspiration equations often rely on net radiation as an upper bound, and some models reduce evapotranspiration to zero at night when there is no solar radiation. Emerging re...

Seasonal soil and air temperature effects on photosynthesis in red spruce (Picea rubens Sarg.) saplings

P Schwarz T Fahey Todd Dawson

Published in Tree Physiology

Determining water use by trees and forests from isotopic, energy balance, and transpiration analyses: the role of tree s...

Todd Dawson

Published in Tree Physiology

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