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SOIL POLLUTION (natural resource with air and water) - Coggle Diagram
SOIL POLLUTION (natural resource with air and water)
soil has a filter effect
against pollutants
made of decomposed organic matter and minerals, water and air
the proporion differentiate the porosity, the colour, the texture and te structure
the creation depens on climate and living organism
has a pH (level of acidity and alkalinity)
average: from 5.5 to 7.5
organisms
algae
bacteria
fungi
protozoa
soil fertility
nitrogen
phosphorus
solfur
carbon
causes
industrial activities
mining
polluting farming practices
pesticides
insecticieds
fertilizers
wrong irrigation
urban waste
non-biodegradable
glass
plastc
alluminium
biodegradable
animal waste
agrictulural waste
industrial wste
wrong management of septic systems
spill from sawages
acid rain
deforestation
natural disasers
earthwquakes (terremoti)
landslide
flood (alluvioni)
new pollutants discovered thanks to technology
neg: new contaminants in the environment
effect
loss (perdita) of nutrients
soil erosion
change in animal and plants life
no cultivation in salt soil
products of the agriculure are poisonous
for the people
for animals
toxic dust
smell
problems for the animals (they die with an interruption in the animal chain)
solution
less use of chemicals
correct soil management
terraces
crop rotation
clean sewage systems
limit companies construction in specific natural areas