Term
| what does "Silvics" mean? |
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Definition
| How trees grow, reproduce, and respond to the environment |
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Term
| What is the definition of silviculture? |
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Definition
| the art and science of establishing, tending, and harvesting stands to fulfill the objectives of the landowner and society |
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Term
| What is the definition of a stand? |
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Definition
| a contiguous group of trees uniform enough in species composition, age, and condition to be a recognizable unit |
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Term
| What controls a sites quality? |
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Definition
Temperature: Growth stops or is limited by extreme temperatures
Amount of rain/snow
Length of growing season
Amount of sunlight: Day length, angle of light) |
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Term
| What is the difference in degrees of north slopes to south slopes? |
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Definition
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Term
| If yellow poplar (I don't care what he says, it's a freaking tulip tree)is 75 feet tall, and is 50 years old, how to you word its site index? |
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Definition
| The site index for yellow poplar at age 50 is 75 feet |
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Term
| What are the three age class in stands? |
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Definition
| uneven aged, two aged, and even aged. |
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Term
| What are the four crown classes? |
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Definition
| Dominant, codominant,intermediate, and suppressed. |
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Term
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Definition
| a tree/group of trees that becomes established or is released after a disturbance. |
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Term
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Definition
Even aged, pure
Even aged, stratified mixture
Two aged, two cohort
Uneven aged, multiple cohort |
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Term
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Definition
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Term
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Definition
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Term
| What is the order of growth in trees? |
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Definition
Maintenance- repairs/respiration
New leaves and fine roots
Flower and seed production
Primary (height) growth
Secondary (diameter) growth
Resistance |
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Term
| What are the stages of stand growth? |
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Definition
Stand initiation: Free to grow, no competition
Stem Exclusion: Competition, Crown Classes, density dependent mortality.
Understory Reinitiation: 2 cohorts, density independent mortality
Old Growth: Many cohorts, persists until stand initiating disturbance. |
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