Effects of Wildfires Flashcards
1
Q
Primary Effects
A
death injury destruction of property burning of vegetation and crops water & air pollution health problems e.g. breathing difficulties
2
Q
Secondary Effects
A
loss of jobs & income high cost of rebuilding high insurance tourism destroyed soil erosion less vegetation
3
Q
why are wildfires not always a bad thing?
A
some ecosystems need fire to keep them healthy
fire can clear out old trees and bushes, allowing new ones to grow
some seeds only pop when they are burned
ash formed good fertiliser
4
Q
explain nature causes of wildfires
3
A
lightning:
volcanic hot lava:
spontaneous heating: materials easy to catch fire
5
Q
Human causes explain
A
broken bottles: magnify sun’s rays onto small area
slash and burn: get out of control & spread
arson: deliberately
