Upgrade to remove ads
Only $35.99/year

Speth

Terms in this set (28)

about ____ the worlds temperate and tropical forests have already been lost
half
Deforestation contributes to
Species loss, climate change, loss of economic value,
Forest loss has been primarily serious in the ___, home to ___ of planets plant and animal species
tropics, 2/3
rate of deforestation in tropics (2000-2005)
one acre per second
cause of deforestation in developing world are
cutting for tropical timber, fuelwood
Deforestation is prevalent in
Brazil, Indonesia, and the Congo river basin
40 percent of its forest lost in past 50 years
Indonesia
Indonesias deforestation, forest fires, and peat land degradation have made it the world's number ___ green house gas emitter after ____ and ___
3, US, China
The highest forest loss occurs in the
Amazon
Desertification involves all processes that ______
degrade productive land
process that degrade productive land are
soil erosion, salinization, devegetation, and soil compaction.
among the many consequences of decertification are
loss in food production, greater vulnerability to drought and famine, loss of biodiversity
desertification is typically caused by
overcultivation, overgrazing, poor irrigation practices,
____ percent of the worlds major river basing have been severely or moderately fragmented by dams or other construction
60
since 1950, the number of large dams has increased from ____ worldwide to more than____
5700, 41000
Sets with similar terms