Wood Anatomy and Tree Growth:                                           ________
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Wood Anatomy and Tree Growth: ________. Types of Wood Coniferous Difuse Porous Ring Porous. Wood Anatomy and Tree Growth: ________. Softwood (coniferous trees). Hardwood

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Wood Anatomy and Tree Growth: ________

Types of Wood

Coniferous Difuse Porous Ring Porous


Wood Anatomy and Tree Growth: ________

Softwood

(coniferous trees)

Hardwood

diffuse porous

(deciduous trees)

Hardwood

ring-porous

(deciduous trees)


Wood Anatomy and Tree Growth: ________

Picea Pinus Taxus Tsuga

smithiana walichiana baccata dumosa


Wood Anatomy and Tree Growth: ________

General Ring Structure


Wood Anatomy and Tree Growth: ________

Abies spectabilisCupressus torulosa Juniperus recurva


Wood Anatomy and Tree Growth: ________

False Ring

Cells leading into the false ring will gradually decrease in size and then gradually increase back to earlywood cells.


Definitions:_

Parenchyma: thin walled tissue concerned primarily with the

storage and distribution of carbohydrates.

Terminal Parenchyma: the last parenchyma formed in a

years growth. In some diffuse porous species it is all that

Appears to denote the limit of a ring.

Tree-Ring: The annual increment of zylem growth

produced around a trees’ circumference in one year.

Earlywood: springwood. The xylem cells formed during

The beginning of the growing season.

Latewood: the xylem cells formed during the mid-end of

The growing season.

Resin Canals: tubular space surrounded by secreting

cells bearing resin in certain softwoods.

Traumatic Resin Canals: resin canals supposedly arising

From injury.

Annual Increment: The radial xylem growth produced

in a single year. Commonly measured to the nearest

0.001 mm.


Wood Anatomy and Tree Growth: ________

Rhododendron Acer Sorbus

arboreum pectinatum microphylla


Wood Anatomy and Tree Growth: ________

Betula Castanopsis Quercus Juglans

utilis hystrix semicarpifolia regia


Wood Anatomy and Tree Growth: ________

Oak Ring Structure.

Oaks rarely have missing rings but they can have very compressed growth.


Wood Anatomy and Tree Growth: ________

Offset Across Rays

Oak often exhibits an offset in the rings across rays.


Definitions:_

Limiting Factors: Conditions of a trees environment that

Have the most control on the rate at which a tree grows.

When all limiting factors

are sufficient growth is

unimpeded, when any

single limiting factor

falls below or near the

minimum requirement

for a tree species in a

specific environment

then growth of the tree

is negatively effected.


Wood Anatomy and Tree Growth: ________

Auxin Model

Growth hormone is produced in the canopy of the tree and trickles down the trunk initiating ring growth around the stem.


Wood Anatomy and Tree Growth: ________

Locally Absent Rings

Rings may be locally absent along the length of the tree.


Wood Anatomy and Tree Growth: ________

Terminal height growth

Tree ring diameter growth


Wood Anatomy and Tree Growth: ________

The influence of climate.


Wood Anatomy and Tree Growth: ________

Tree growth throughout the year.


Wood Anatomy and Tree Growth:__________________________ ________

The role of climate.

valleymountain

north

south


Wood Anatomy and Tree Growth:__________________________ ________

Climate response model Eastern White Cedar Québec, Canada

Temperature Precipitation

Interior Cliff Shore


Wood Anatomy and Tree Growth:__________________________ ________

Climate response model …Mogan Ridge. USA


Definitions:_________________________________________________

False Ring: an incomplete start of final latewood development.

Locally Absent Ring:(LAR) an incomplete growth layer.

Time Series: An orderly sequence of events or measurements

that may change over time.

Biological Growth Curve:

The average radial growth

of as tree as measured over

time.

Indices:Relative annual

growth variations that

no longer vary with the

age of tree.


Definitions:_________________________________________________

Chronology: A time series of mean growth measurements

from a specific site and species.

Master Chronology: A precisely dated mean chronology.

Climate:Seasonal conditions of precipitation and temp-

erature measured in months or years or centuries.

Response Model: percent climate expressed in tree-rings.

Paleoclimate: Past climate prior to instrumental record

keeping.

Paleomaterial: Preserved specimens of datable material

that can be used in building longer chronologies than

one can build from living trees.


Wood Anatomy and Tree Growth: ________

Complacent and

sensitive tree-ring growth.


Definitions:_

Standardization: The process by which the biological

growth curve is removed from the individual raw ring width

measurements producing a

new time series of index

values (indices). These

dimensionless values of year

to year variation are commonly

calculated either by division or

subtraction of a raw annual

increment by the mean biological growth curve value for the

same year (e.g., It = Rt/Gt ).


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