Planning & Management & Communicating Wood Science
Description: Planning Management Communicating Wood Science Materials RESOURCE 9: ANALYSING AND IDENTIFYING TREE TRUNK PROPERTIES AUTUMNWINTER GROWTH SPRINGSUMMER GROWTH One Years Growth ANNUAL RINGS DENDROCHRONOLOGY The Process of Reading Tree
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slide1. Planning & Management & Communicating Wood Science & Materials RESOURCE 9: ANALYSING AND IDENTIFYING TREE TRUNK PROPERTIES AUTUMN/WINTER GROWTH SPRING/SUMMER GROWTH One Year’s Growth ANNUAL RINGS
DENDROCHRONOLOGY
The Process of Reading Tree Rings Caused by tree movement as a result of growth, wind and other factors.
Star Shake Ring/Radial Shake
Caused by tree movement as a result of growth, wind and other factors. Heart Shake
Caused by tree movement as a result of growth, wind and other factors. Medullary Ray Tree Knot
Caused by tree branches as they grow and are enveloped by the tree trunk When tree’s are cut down their trunks reveal a large amount of information about their growth, age and structural defects. Cutting straight across the tree trunk produces a tree section called the transverse section.
The Pith is the oldest part of a tree and shows its earliest growth stages from when the tree was a sapling.
The Heartwood, also called duramen (dead), is the central wood of trees.
The Sapwood, also called alburnum, outer, living layers of the secondary wood of trees, which engage in transport of water and minerals to the crown of the tree.
The Cambium Layer is a very thin layer of growing tissue that produces new cells that become either xylem, phloem or more cambium.
The Tree Bark/Bast is the outermost layer of the tree and provides protection from weather, animals and insects. 3.2 & 3.5<br>
DENDROCHRONOLOGY
The Process of Reading Tree Rings Caused by tree movement as a result of growth, wind and other factors.
Star Shake Ring/Radial Shake
Caused by tree movement as a result of growth, wind and other factors. Heart Shake
Caused by tree movement as a result of growth, wind and other factors. Medullary Ray Tree Knot
Caused by tree branches as they grow and are enveloped by the tree trunk When tree’s are cut down their trunks reveal a large amount of information about their growth, age and structural defects. Cutting straight across the tree trunk produces a tree section called the transverse section.
The Pith is the oldest part of a tree and shows its earliest growth stages from when the tree was a sapling.
The Heartwood, also called duramen (dead), is the central wood of trees.
The Sapwood, also called alburnum, outer, living layers of the secondary wood of trees, which engage in transport of water and minerals to the crown of the tree.
The Cambium Layer is a very thin layer of growing tissue that produces new cells that become either xylem, phloem or more cambium.
The Tree Bark/Bast is the outermost layer of the tree and provides protection from weather, animals and insects. 3.2 & 3.5<br>