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Is climate change the primary cause of land degradation in arid and semi…
Is climate change the primary cause of land degradation in arid and semi-arid areas?
Climate change
CO2 levels
how does atmospheric carbon levels decrease land quality?
Which areas are have highest CO2 levels - is land degrading faster in these areas
Temperature increase
How does global anthropogenic warming cause land degradation?
Do the areas with highest temperatures experience the most land degradation?
Just in arid / semi arid areas or other than this?
Agriculture/unsustainable farming practices
over cultivation
cash cropping
exploiting land quality
over irrigiation
depleting soil moisture
soil nutrients decrease
reduce biodiversity
land degrades/increase in aridity
Over grazing
increased demand to supply for diet of growing population
soil compaction due to large flock/herd
Larger herd seen culturally as a status symbol (sub-Saharan Africa and Middle East)
Salinization
Reduced rate of crop yields
Decreased soil quality
Short term
Natural Causes
Wind erosion
Water Erosion
(Coastal erosion)
Impacts of Land degradation
Food insecutrity
War/conflict
Malnutrition
Poverty
Limited economic development
Water Scarcity
Reduced crop yields
Reduced income - poverty
Reduced access to hygiene/sanitation
Dehydration - heat associated health issues
Limited development (economic and social)