APES CHP 10 Forestry Percentages
BY 2007, Brazil had officially protected 23% of the Amazon
.
There are more than 1100 parks in more than 120 countries
.
Americans have protected _.8% of their land in the lower 48.
1
_% of developing countries' parkland is protected from poaching, logging, and mining.
1
In the mid-70s, Costa Rica had established a system of reserves including, by 2006, more than _/4 of its land, _% reserved for its indigenous people.
1 6
By 2007, less than __% of the world's forested area was certified byt the FSC. Page 228
10
Canada only has __% of its forests protected
10
However, most countries are cutting trees for fuel wood and forest products __-20 times faster than new trees being planted.
10
Tropical deforestation is the reason that more than 8000 tree species, or __% of the world's total are threatened with extinction.
10
Most developers and resource extractors oppose protecting even the current __% of the earth's remaining undisturbed ecosystems.
12
Forests are habitats for about ___/3 of the world's terrestrial species.
2
Forests cover about _/3 of South Korea
2
Largely because its trees were cut for fuel wood, only about _% of its land is forested (Haiti)
2
The global rate fo forest cover loss between 1990 nd 2005 was between 0.__% and 0.___ %. And at least another 0.1-0.3% of the world's forests were degraded every year. The world's forests are being cleared or degraded exponentially at a rate of 0.3-0.8% per year.
2 5
Conservation biologists call for full protection of at least __% of earth's land in a global system of biodiversity reserves.
20
Franchise fees in parks could rise to __%
20
Scientists estimate that globally, forest fires account for at least __% if all human related greenhouse gas emissions. They also produce ____ as much CO2 annually as all of the world's cars and trucks emit.
20 twice
The blackfoot river watershed is home to about 600 species of plants, __ species of water fowl, ....
21
About half of the wood harvested each year and _/4 of that in developing countries is used for fuel.
3
If current burning and deforestation rates continue, 20-__% of the Amazon will be turned into Savannah in the next 50 years.
30
Natural/planted forests occupy about ____% of earths land surface (excluding Greenland and Antarctica)
30
Brazil has more than __% of the world's remaining tropical rain forest and an estimated __% of the world's terrestrial plant and animal species.
30 30
Forests that cover about __% of the US land area provide habitats for more than __% of the country's wildlife species and supple about 2/3 of the nation's surface water.
30 80
Forests are also home to more than ____ million people, and _ of 4 people depend on forests for their livelihood.
300 1
Unsustainable logging has ravaged __ of the __ national parks in Kenya and now makes up ___-80% of all logging in Indonesia.
37 73
Protected forests make up about __% of the US's total forested area, mostly in the National Forest System.
40
Severe fires could threaten __% of all federal forest lands in the US
40
Cattle, sheep, and goats, graze about __% of the world's grassland.
42
over the past 8000 years, human activities have reduced the earth's original forest cover by about __%, with most of the loss happening over the past 60 years.
46
Restoration ecologists note that so far, we have been able to protect or preserve only bout _% of the earth's land from the effects of human activities, so ecological restoration is badly needed.
5
Only 12% of is protected strictly or in the form of reserves and parks, but really, only _% is strictly protected.
5, leaving 95% for human use
By 2050, the demand for fuel wood could easily be __% greater than the amount that can be sustainably supplied.
50
The hotspots cover more than 2% of the land but contain __% of the flowering plant species and __% of all terrestrial vertebrates.
50 42
Between 1986 and 2006, Costa Rica's cover grew from 26% to __%
51
There were __ major US parks established in 1912
58
Tropical forests cover about _% of the earth;s land area, roughly the area of the lower 48.
6
In order, China, India, the US, Russia, Canada, and Sweden account for about _____% of the world's tree plantations.
60
Up to __% of the wood consumed in the US is wasted unnecessarily.
60
According to 2007 estimates by the FAO, about ____% of the world's forests are second-growth, ____% are old-growth or primary forests, and __% are tree plantations.
60 36 4
The study by UN MEA pointed out that human activities are degrading or overusing about __% of the earth's natural resources (page 240 on right)
62
The 2005 Millennium Ecosystem Assessment estimated that continuing on our present course will increase that percentage (42%) to __% (livestock grazing)
70
illegal, unsustainable logging is taking place in __ countries, especially in Africa and SE Asia.
70
The Healthy Forest Restoration Act allows timber companies to cut down economically valuable trees in __% of the country's national forest in return for clearing...
71
__ of the 96 endemic species are threatened, 8 of them critically, with biological extinction. Farmers and loggers have cleared ___% of the ancient Tanzanian forests.
71 70
Indonesia has already lost an estimated __% of its original forests and __% if its remaining forests will be gone by 2022.
72 98
8 zones megareserves are designed to sustain __% of Costa Rica's biodiversity
80
Traditional medicines, used by _____% of the world's people, are derived mostly from natural plants in forests.
80
__% of the wood Home Depot carries meets sustainability standards.
80
In the 34 biodiversity hot spots, a total of __% of the habitat has been destroyed
86
According to the NPS, air pollution, mostly from coal plants and traffic, degrade scenic views more than __% of the time.
90
We occupy about __% of earth's land
95 (see page 245 in yellow)
Overgrazing from livestock has caused as much as a ____ of the world's rangeland to lose productivity.
fifth
Studies indicate that at least _____ of the world's known species of terrestrial plants and animals live in tropical rain forests.
half
About 200 years ago, grass may have covered nearly ____ the land in the SW US. Today, it covers only about __%, mostly because of droughts and overgrazing.
half 20
Tropical forests acount for more than ______ of the world's forests
half, 50%
Boreal forests account for about ____ of the world's forest
quarter, 25%
temperate forests account for about ____ of the world's forest
quarter, 25%
Russia, Canada, Brazil, Indonesia, and Papua New Guinea have more than ____ of the remaining old-growth forests.
three fourths, 75%
