Biological carbon cycles and the water cycle: threatened by human activity (Edexcel A-Level Geography): Flashcards
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Population growth % between 1990 and 2015
Population growth % between 1990 and 2015
↑ by 36%
% of Earth's land area covered by forests
% of Earth's land area covered by forests
Approx 30%
Deforestation impact on surface runoff and lag times
Deforestation impact on surface runoff and lag times
More surface runoff, shorter lag times
Deforestation impact on carbon storage in biosphere
Deforestation impact on carbon storage in biosphere
Reduction in storage & less CO2 absorbed via photosynthesis
Most effective biome for absorbing and storing carbon
Most effective biome for absorbing and storing carbon
Tropical rainforest
Afforestation definition
Afforestation definition
Replanting trees on previously forested land
Reforestation definition
Reforestation definition
Replanting trees on marginal crop and pasture lands
Ocean acidification definition
Ocean acidification definition
Reduction of ocean's pH caused by ↑ CO2 uptake
Most destructive land use on carbon and water cycles
Most destructive land use on carbon and water cycles
Urbanisation
Climate change effect on climate belts
Climate change effect on climate belts
Shifting polewards