Envirothon Forestry 1
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- 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