Fires in Nature: Causes and Distribution (AQA A-Level Geography): Flashcards
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Practise the cards
10 cards from this deck
Temp. surface fires can heat ground to
Temp. surface fires can heat ground to
Exceeding 1,000°C
Where crown fires spread
Where crown fires spread
Through tree canopies at higher elevations
Pyrophytes definition
Pyrophytes definition
Plant species evolved to tolerate & survive fire
Two essential conditions for wildfire to start & spread
Two essential conditions for wildfire to start & spread
Ignition source and fuel
Primary natural ignition source for wildfires
Primary natural ignition source for wildfires
Lightning
Conditions when most extensive fires occur
Conditions when most extensive fires occur
Dry, windy conditions with low humidity
Mediterranean climate fire season
Mediterranean climate fire season
Hot dry summers with occasional thunderstorms
Savanna climate seasonal pattern
Savanna climate seasonal pattern
Wet summers and dry winters
One ecological function of fire
One ecological function of fire
Clearing vegetation & promoting seed germination
Retardants in fire management
Retardants in fire management
Chemical compounds applied to slow fire progression