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Spatio-Temporal Plasticity of Root Exudation in Three Temperate Tree Species: Effects of Season, Site, and Soil Characteristics. [PDF]

open access: yesPhysiol Plant
Wannenmacher M   +7 more
europepmc   +1 more source

The impact of non-native trees on galling and herbivory in New York City across space and time. [PDF]

open access: yesOecologia
Engel LD   +7 more
europepmc   +1 more source

Woody seeds and seedlings are unresponsive to herbivore kairomones. [PDF]

open access: yesAoB Plants
Headrick KC   +7 more
europepmc   +1 more source
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Branch angle in red maple trees

Canadian Journal of Forest Research, 1988
The vertical branch angle 10 cm from the base of 17 branches on 6-year-old red maple (Acerrubrum L.) trees increased as leaves grew out and decreased when leaves abscised, with a net increase in angle. The angle 20 cm from the base of 222 branches on five 32-year-old trees did not increase with increasing branch age.
Lisa M. Bozzuto, Brayton F. Wilson
openaire   +1 more source

Maple Sugaring by Red Squirrels

Journal of Mammalogy, 1992
Red squirrels, Tamiasciurus hudsonicus , were observed systematically harvesting sugar and syrup from sugar maple trees ( Acer saccharum ) in a mixed stand of young hardwood trees in Western Maine. Each tap consisted of a single pair of chisel-like grooves of an apparent single bite that punctured the tree to the sap-bearing xylem.
openaire   +1 more source

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