Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
Who were the first white men to see the original untouched souther forests?
|
John Cabot and his son in 1498.
|
|
What are naval stores?
|
tar, pitch, turpentine, and rosin produced from the gum of pine trees
|
|
Where was the first sawmill in the US?
|
Jamestown, VA in 1625
|
|
How many acres of forested land are there in NC?
|
19.3 million acres
|
|
What percent of forested land is owned by private citizens?
|
77%
|
|
What is an Old Growth Forest?
|
A forest that has never been logged or cut and has grown undistrubed by man's influence.
|
|
Where did forestry, as a discipline, begin?
|
Biltmore Estate
|
|
Who was the first to treat forests as sustainable?
|
Gifford Pinchot, manager of Biltmore Estate forests
|
|
Who founded the first American school of forestry?
|
Carl Schenck
|
|
What is the US forest service's double mandate?
|
To maintain our forest resources and to provide an ongoing supply of timber.
|
|
What is forest stewardship?
|
sustainable forestry
|
|
What is ecosystem management?
|
foresters consider the complex ecosystems of forests and their roles as wildlife habitat, etc.
|
|
What percentage of timber cut each year is used for heating and cooking?
|
55%
|
|
How do forests control runoff?
|
The leaves and branches of trees break the impact of rain, ground litter and humus allow seepage of water into the soil.
|
|
How do forests prevent soil erosion?
|
Keep soil porous to absorb water and roots hold soil in place.
|
|
How do forests help soil development?
|
Decaying leaves, limbs, and trees return nutrients to soil.
|
|
How do forests retain snowmelt?
|
Help snow melt slowly and seep into ground, reducing flooding and runoff.
|
|
How do trees influence the climate?
|
Insulate forests, keep them moist by transpiration.
|
|
What is transpiration?
|
The evaporation of water from plants, especially through leaf stomata.
|
|
What percent of the sun's radiation can a tree with leaves block?
|
95%
|
|
What is photosynthesis?
|
The chemical process by which plants make their own food using sunlight, water, and carbon dioxide to produce sugar and oxygen.
|
|
How do trees help with removal of air pollutants?
|
Leaves and needles of trees absorb significant amounts of particulates from the air and reduce wind velocity, also absorb Carbon dioxide.
|
|
What is a habitat?
|
The food, water, shelter or cover, space, and arrangement of those factors necessary for a species to survive.
|
|
How do trees help with noise abatement?
|
A belt of trees 98 feet wide and 49 feet tall can reduce highway noies by six to ten decibels. (50%)
|
|
What are greenbelts?
|
Areas of trees around cities that provide moisture storage zones and allow water to infiltrate the soil.
|
|
What is detritus?
|
general term referring to organic matter dervied from dead bodies of plants and animals, insects, plants as they are broken down.
|
|
A tree can provide how many dollars worth of ecological benefits in its lifetime?
|
$196,250
|