What is the amount of wildfires started each year and what percent is because of people?

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Kat

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how many per year in the world, and I'm talking about arson or accidental fires started by people, not because of global warming 0-0
 
I can't exactly say how many per year, but the greater majority are started by people, whether it is arson or by accident, or human related. I know in Southern California the typical 'natural fire regime' is one every 12 years. However due to human caused fires they have been occurring much more frequently. Many of the chaparral species of shrubs cannot handle this frequent cycle and have been killed out in many parts of the Santa Monica Mnts (ex. Ceanothus megacarpus). So it's an interesting dynamic. Also along with that, with such little time to recover after a fire, the subsequent fires do not burn hot enough to kill invasive species, and allow for non native weed growth that is much more able to catch fire the next year. I know this doesn't answer your question but I thought I'd share some interesting tidbits... :D I'm a bit on the geeky side when it comes to plants.
 
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