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Environmental Science
chapter 8 soil
human activities that cause soil degradation and erosion
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Created by
Elsie Coote
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Cards (12)
what activities causes soil degradation and erosion?
soil compaction,
pollution
, monoculture, intensive farming, urbanisation, climate change, ploughing, vegetation removal, overgrazing, reduced soil biota, cultivating
steep slopes
soil compaction
machinery
or livestock trampling- reduces
infiltration
rate
pollution
harmful substances in soil can
degrade
its quality- chemical wastes, oil spills,
pesticides
monoculture
planting single
crops-
depletes the soil of specific
nutrients
intensive farming
exhausting soil nutrients- causes need for
fertilisers
which harm soils
natural fertility
urbanisation
construction of infrastructure- interrupts
natural soil regeneration
cycle
climate change
changes in
climatic patterns-
altered rainfall which
accelerates soil degradation
ploughing
breaks up soil structure- increases
wind
or
water
erosion
vegetation removal
removes
protection
of soil
reduced soil biota
ploughing
can reduce number of
living organisms
in soil
overgrazing
vegetation being eaten-
soil
disturbance and
root
damage
cultivating steep slopes
surface run-off water
flows
faster
on slopes