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26 Cards in this Set
- Front
- Back
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high coppice/low coppice
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HIGH-cut tree at top because it is too tall
LOW-cut tree at base |
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forestry (definition)
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=the art, science, business and public policy associated with the sustained production of social goods and services from forested lands
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cambium
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=active region of the bole
(the last annual ring which is always growing) |
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why is forestry important?
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-to sustain human life
-for what we value (use/need) |
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pollarding
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(special term for high coppice)
-too high to feed lower species, system used to grow firewood |
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AAC
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Annual Allowable Cut
=the amount of wood allowed to take without reducing previous years volume |
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annual rings
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-indicate year of tree, but thicker trees don't mean older, b/c rings could be further apart
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Ownership of forest resource
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=is mostly owned by the province it is in
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lodgepole pine
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-fire-dependent species
-will produce cone 10-15yrs -shade intolernat |
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forest types
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1. mostly softwood, which have needles for leaves
2. mixedwood (hardwood + softwood) 3. hardwood (broad-leaf tree) |
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internotal
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=spaces between branches that show "year" of the tree
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forest land
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=is half of land area in Canada
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types of tree fruits
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-achene
-double samara (maple) -single samara (ash) -pome -berry -nut (oak) -legume -capsule -drupe |
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what do roots do?
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anchor the tree
absorb water and nutrients store nutrients |
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trees + energy
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trees are stored energy
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component parts of the definition of forestry
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-ART is the unexplainable part of forestry
-SCIENCE is the process of forestry -PUBLIC POLICY is the change of forestry |
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where did forestry originate?
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Germany
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what is a tree?
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-a woody perennial plant that has a single stem, a well-defined crown, is large, and long lived
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parts of the tree
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a. the bole (trunk)
b. roots c. leaves d. fruits e. buds |
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whorls
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=group of branches that grow laterally every year
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what is a forest?
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=piece of land that is naturally developed and is dominated by trees
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business part of forestry
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-add wealth to a country
-trees are renewable -trees are valuable |
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cambium is made of 2 enzymes
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a. xylem- wood (inside of cambium)
b. phloem- bark (outside of cambium) |
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what do dark annual rings mean?
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-autumn part of year
-b/c cells in tree don't fill with water -b/c of drought in the season |
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what are trees used for?
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-firewood
-food -building materials -paper -chemicals -misc. |
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coppice system
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-cutting of the trees for regeneration
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