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