|
|
This is only a preview of the paper
Click here to register and get the full text.
Existing members click here to login
|
|
|
... Fires are part of nature¡¯s cycle of renewal and re-growth. ... In addition, fire suppression is important to protect people, property and forests, but too little fire in some areas can decrease forest health and increase the risk of catastrophic fires. Usually we think of fires as negative, but for the health of an ecosystem, fire can be crucial.
Fire¡¯s role in a sequoia forest is a good example of how important the role of fire is in maintaining natural environmental conditions. ... By staging controlled fires, foresters are also able to reduce the hazards of wildfires.
A very important role for fire in an ecosystem is to clear away the accumulation of dead plants and branches that have fallen from the trees, so that seeds can have room to grow. Fires are created in order to allow new seedlings space to germinate. ...
Another primary function of fire is its role in recycling nutrients. ... Here, as in some other ecosystems, fire plays an important role in returning a variety of mineral nutrients to the soil. ... While hot fires may volatilize some nutrients, light burns often increase soil pH, stimulate nitrification and generally improve soils chemically.
Approximate Word count = 931
Approximate Pages = 3.7
(250 words per page double spaced)
|
|
|
|
|
|