CH 6-9 Flashcards
Deforestation
The removal of trees or forest for human developement.
Africa
The area with the highest rate of forest loss.
Closed Canopy Forest
Forest where trees’ crowns cover most of the ground.
Old Growth Forests
Forests that have been undisturbed by humans.
Pulpwood
Fastest growing forest product.
Agriculture
The main reason for deforestation in Western Africa and Southeast Asia.
Debt for Nature Swaps
When a conservation group buys a country’s debt in exchange for the country restoring and protecting natural areas.
Monoculture Forestry
Single species, single use intensive cropping.
Clear Cutting
Cutting down all the trees in an area.
Shelterwood Harvesting
Mature trees are removed in a series of two or more cuts.
Strip Cutting
All trees in a narrow pathway are cleared, then reseeded by surrounding trees.
Selective Cutting
Only a small percentage of mature trees are cut in 10-20 year rotation.
Desertification
The expansion of deserts.
Pastoralists
People who live by herding animals.
Cow Welfare
Government loses $47 million annually leasing land for grazing.
Rotational Grazing
Confining animals to a small area for a short time, then moving to a new area (similar to animals in nature).
African Sahel
Environmentally fragile area south of the Sahara Desert.
Yellowstone
1st national park on earth.
Banff National Park
1st national park in Canada, est. 1887.
Mt. Mitchell
Tallest mountain in the Appalachians; tree tops killed by acid rain.
Acadia National Park
Park in Maine; summer air 50% above safe level.
Corridors
Walkways built over highways for animals.
Ecotourism
A combination of adventure travel and nature appreciation in wild places.
Coral Reefs
Most threatened marine ecosystem.
Poaching
Large animal problem in Africa.
Transgenic Crops/GMOs
Crops that have undergone gene splicing through genetic engineering.
Frankenstein Foods
What Europeans call US genetically altered foods.
Poverty
The greatest threat to food security.
Food Security
The ability to obtain food on a day-to-day basis.
Meat
A food that is expensive to produce, making it a good indicator of wealth.