Forest History
This invention was created in 1947 and allowed one person to easily harvest a tree.
(One-man) portable chainsaw
Surplus
What is one reason trees are important. There were 5 listed.
-Represent some of the oldest living organisms.
-Take in CO2 and release oxygen.
-Dead trees replenish soil nutrients.
-Reduce erosion
-Instrumental in civilizations for wood products.
The 3 main parts of a tree are the....
Roots, Trunk, and Crown
This tool is used to estimate tree diameters at breast height.
Biltmore Stick
In the 1840's, the depletion of northeastern forests push settlers west searching for new stands of timber to harvest on the brand new steam powered ______.
Sawmill
In 1910, after depleting the South of timber, harvesters moved to the Pacific _________ as the new source of timber stocks.
Northwest
Trees take in CO2 and release what?
Oxygen
The tree part anchors the tree to the ground and collects water and nutrients.
Roots
This is the tool we use to take a variable sample plot and determine which trees to measure.
What man created the Biltmore School of Forestry in 1895.
Carl Schenck
In 1881, this federal agency was created under the USDA.
US Forest Service
What is the top layer of the forest structure called?
Canopy
This tree part gathers sunlight and makes food for the tree.
Crown
We use this technique to estimate long distances and do not need a tape measure. Everyone's is different.
Pacing
What was the primary use for trees in the new world.
Shipping Industry
From 1800-1850, around 90% of the energy in the US came from what?
Firewood
How is a forest structured?
Vertically
This part supports the crown of the tree and acts like a straw to transport water and nutrients. This is the part of the tree we primarily use for forest products.
Trunk
This tool is used to measure tree heights in logs. It is part of the stick and must be used 66ft away from the tree.
Merritt Hypsometer
The sap from pine trees was used as tar and pitch to seal the gaps in the planks of ships. This was called what?
Naval Stores
White oak trees were used as ship timbers, but cedar chestnut, and oaks were used as planks below the waterline due to their ________ resistance.
Rot
Give me the definition of a forest.
An ecosystem or collection of ecosystems dominated by trees and other woody vegetation.
This part of the tree cross-section builds different cells and can "turn into whatever it wants".
Cambium
This tool is used to measure heights and slopes more accurately.
Clinometer