“The Effects of Fire on People
Worldwide, wildfire smoke kills 339,000 people a year, mostly in Asia and sub-Saharan Africa, according to estimates. Tenfold increases in asthma attacks, emergency room visits, and hospital admissions have also been reported when smoke blankets the places where people live.
Common in places such as the western United States, layers of stagnant air called inversions can be created by fires and are responsible for holding smoke down where people breathe. Airborne, microscopic particles that slip past the body’s defenses and into the farthest reaches of the respiratory system can begin to coagulate the blood, forming a thick goo. Smoke also contains carbon monoxide, causing long-lasting damage to the heart.
Emergency room visits for heart failure jumped 37 percent, and saw a 66 percent increase for breathing problem-related visits following the smokiest days of a big 2008 peat fire in eastern North Carolina, EPA researchers found.
How Fire Impacts Wildlife
Wildlife tend to have a very different relationship with fire. Some have evolved to live with it, and some even thrive after fires. That’s not to say all wild animals call fire a friend—there are some who can’t outrun the quickly moving flames, and young or small animals are particularly at risk.
Slow-moving animals such as koalas, whose natural instinct is to crawl up further into a tree, may end up trapped.
For many environments, fire doesn’t actually have to mean death, but instead change, re-birth, or new opportunities. For example, woodpeckers will fly in to feast on bark beetles in dead and dying trees, and leave when the beetles are gone.
A year-old forest will have a different set of flora and fauna inhabiting it than a forest that is 40 years old, and according to wildlife biologist Patricia Kennedy, “a lot of species require that reset,” which comes from a fire.” by NG.
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