3. The year 2011 is declared as “The
International Year of Forests” by the
United Nations to raise awareness and
strengthen the sustainable
management , conservation and
sustainable development of all types
of forests for the benefit of current
and future generations.

4. The uses of forests include:
 Wood: Used as fuel wood for cooking and
heating
 Raw Materials: used for various
industries such as
pulp, paper, plywood, timber for furniture
items etc.
 Bamboos : Bamboos, regarded poor man’s
timber are used in
rafters, roofing, flooring etc.

6.  Land degradation in arid, semi-
arid and sub- humid areas
resulting from various factors
including climatic variations and
human activities.

7. Causes of deforestation are:
 Broad issues of poverty
 Population explosion
 Unequal political power
 Lack of opportunities to make a
living
 Landlessness
 Inadequate knowledge

8. Following are the major causes of
deforestation :
 Shifting(Jhum)Cultivation involves the
slash and burn agricultural practices. The
principal cause of deforestation in Africa
 Commercial logging involves cutting
trees for sale as timber and pulp.

9. The following are the adverse effects of
deforestation:
 Leads to Soil Erosion
 Land mass gets converted to sand
deserts known as Desertification.
 Rainfall declines considerably. Less
rainfall results in loss of fertile land.
 Causes loss of biodiversity leading to
ecological balance worldwide.
 Leads to increase in CO2 concentration
in environment and also other air
pollutants leading to Global warming.

10. MADE BY:- PAYAL
ARORA
SPEAKER:-
AMRITA SOOD