FIRE AS AN ECOLOGICAL FACTOR.pdf - SUBMITTED BY: Aiman...

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SUBMITTED BY:
Aiman Fazal Tarar
(Roll # 1925105003)
SUBMITTED TO:
Dr.Ausa Aftab
CLASS:
BS-III BOTANY (major)
(Session # 2019-2021)
(6th semester)
SUBJECT:
PLANT ECOLOGY
TITLE:
FIRE AS AN ECOLOGICAL FACTOR

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CONTENTS
Sr. TITLES
Page
No.
1.
Introduction
3
2. Fire ecology
 Fire history
 Fire regime
 Fire-Plant Relationship
3-4
3. TYPES OF FIRE
1. Surface fire
2. Crown fire
3. Ground fire
4-5
4. Causes of fire
 Natural causes
 Human causes
5
5.
Effects of fire
 Beneficial effects
 Harmful effects
6-7
6. Treatment methods for reducing
wildfire risk:
8
7. Conclusion 8
8. References 9

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FIRE AS AN ECOLOGICAL FACTOR
INTRODUCTION:
Fire is a natural process, and that it often operates as an integral part of the
ecosystem in which it occurs but Fire as an ecological factor brings sudden changes in
the ecosystem. It destroys the ecosystem life and affect the whole ecosystem like
plants, animals etc.
A Wildland fire is defined as any fire that is burning in a natural
environment. Wildfire is most common in dry and montane forests.
Fire ecology
It is a branch of ecology that focuses on the origins of Wildland fire and its
relationship to the environment that surrounds it, both living and non-living.
Fire history deals with how often fires have occurred in a given geographical
area. Trees are our source of
information on fires in the distant
past. Trees record their history
through a system of growth rings
that develop on the trees each
year. When a fire goes through an
area, the growth rings of that
particular tree may be scarred. On
live trees this is called a fire scar .
Fire scars can also be seen on
dead trees. Utilizing dendrochronology (study of growth rings) , we can determine
when fires have occurred in the past, and sometimes determine their intensity and
direction as well as other information about the weather patterns in that era.

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Fire regime
It refers to the patterns of fire that occur over long periods of time and the
immediate effects of fire on the ecosystem in which it occurs. It is the function of
frequency of fire occurrence, fire intensity and the amount of fuel consumed.