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Tuesday, April 7, 2020
Tags TreePhys

Tag: TreePhys

What sets apart individual trees that died versus trees that survived an extreme drought?

Plant responses to drought involve multiple interacting traits and processes, which complicates predictions about which plants will die and which will survive. Species are...

Not all sapwood is functionally equal: Improving estimates of whole-tree water use from sap flux measurements

We often use sap flux, or water transported by the xylem to estimate whole-tree water use, an important component of understanding ecosystem water use....

Within-species populations exhibit similar physiology under current climate but may diverge under warmer and drier conditions

Recent repeated episodes of drought and high temperatures have resulted in substantial dieback of silver fir in the Spanish Pyrenees. However, mortality has been...

Counting Carbs: Patterns rather than absolute values of non-structural carbohydrates may be compared across labs

The plant ecophysiology field is intrigued and perplexed by products of photosynthesis known as soluble or non-structural carbohydrates (NSCs), compounds that are used for...

Some trees might have adapted to cope with embolisms instead of preventing them

Drought is expected to increase in frequency and duration throughout the 21st century. However, it remains unclear how vegetation will respond to drought because...

Accurately measuring cavitation resistance to understand how plants cope with drought

Cavitation resistance is crucial to coping with and surviving drought.

The path to understanding water movement in leaves is not straightforward

The path to understanding water movement in leaves is not straightforward.

More to tree rings than meets the eye

Tree rings record past environmental conditions, as well as the tree's physiological response to those conditions. Although ring widths are easily measured indicators of...

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Changes in How a Plant Breathes Aren’t Always Matched by Changes in Its Anatomy

You can't predict how a Yucca gloriosa will react to drought from its anatomy alone.

New grapevine model better predicts whole-canopy gas exchange

Models considering only the maximum photosynthetic capacity for all leaves over-estimated net carbon dioxide exchange by nearly a third.

Phylogeny, age and adaptive evolution of genus Allium

The genus Allium L., one of the largest monocotyledonous genera and one that includes many economically important crops with nutritional and medicinal...

Plants from different climates can react to drought in similar ways

How do plants react when circumstances change? One method can be to evolve a local adaptation. Another can be be phenotypic plasticity,...