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THEMATIC SLIDES
FORESTS
FORESTS
• Tai National Park, Côte d`Ivoire
• Kisangani, D.R. of Congo
• Itampolo, Madagascar
• British Columbia, Canada
• Gaspe Peninsula, Canada
• Angangueo, Mexico
• Country Boundary, Guatemala/Mexico
• Olympic Peninsula, United States
• Washington D.C., United States
FORESTS
• Papua, Indonesia
• Demilitarized Zone, Korea
• Oudomxay, Laos
• Arkhangelsk, Russia
• Sakhalin, Russia
• Lappi, Finland
• Iguazú, South America
• Rondônia, Brazil
• Valdivian, Chile
FORESTS
1900
3.18
1950
1.85 1960
1.45 1970
1.17
1980
0.97 1990
0.82
2000
0.64
Earth’s shrinking forestland (Ha per capita)
1900-2000
FORESTS
• Worldwide, the total forest area in 2005 is just under 4 billion hectares; the
rate of deforestation is about 13 million hectares per year. The net change in
forest area in the period 2000-2005 is estimated at -7.3 million hectares/year
CIDA 2006; WRI 2005; WWF 2005
• Tropical forests are home to about 50% of all plant and animal species on
the planet
• Forests cover almost one-third of the earth's land surface; the global area of
forest systems has been reduced by one half over the past three centuries
• Approximately 1.5 billion tonnes of wood is harvested for fuel annually
worldwide
• Forests are among the most notable storehouses of biological diversity on
the land - they house over two-thirds of known terrestrial species; they also
harbour the largest share of threatened species
Deforestation in Tai National Park
Côte d`Ivoire
These images show
deforestation rates in
the area, believed to
be one of the highest
in the world
• 1988: Shows
destruction of small
forest fragments
• 2002: The lighter
green strip bisecting
the images is the
result of extensive
deforestation and
intensive cultivation
Steady deforestation of dense forest
cover in Kisangani, Congo
• 1975: The city and
surrounding areas
are clearly visible
• 2001: The cleared area
around the city has
grown and become
consolidated, spreading
along rivers and roads
Changes in narrow coastal plain of Itampolo
Madagascar
• 1973: Shows
heavily forested area,
home to unique and
rare plant and animal
species
• 2001: The burning of
forest to clear land for
dry rice cultivation has
led to disappearance
of forest area (seen as
tan)
Impact of logging in British Columbia
Canada
• 1975-1999:
Shows the impact
of logging on
reasonably pristine
landscape
The changes in the
forest due to logging
between 1993 and
2000
Forests along Gaspe Peninsula
Canada
Angangueo – an important habitat for
monarch butterflies, Mexico
• 1986: Images show
degradation of forest
area
• 2001: Between 1984
and 1999, 38% of
forests were degraded
Different land use practices visible
across country border, Mexico/Guatemala
• 1974 - 2000:
Conversion of
forest to agriculture
• Now country
border can be
seen even from
space
Disappearing temperate forests of
Olympic Peninsula, United States
• 1974: Shows
patchwork of purple
and pink, indicating
clear-cutting
• 2000: Evidence of
good re-growth of
trees in forest
reserve areas
Dramatic tree loss in Washington D.C.
United States
• Satellite images showing the dramatic loss of trees in the
District moved Mrs. Casey to action
• Casey Trees Endowment Fund was created to restore the
tree cover of the District of Columbia
Conversion of forests into
palm plantations in Papua, Indonesia
• 1990: a new human
presence, earth
colored roads provide
access to the forest
• 2000: rectilinear
patterns cover
10,000 ha
• 2002: Cleared
area nearly doubles
since 2000
Forest in the Demilitarized Zone (DMZ)
Korea
Images
reveal
significant
burn scars
in the DMZ
Deforestation in Oudomxay, Laos
• 1975: Image
shows
continuous
forest cover
• 2000: Forest
cover dotted
with cleared
patches
Disturbances in forest cover in Arkhangelsk
Russia
• In some places,
large sections of the
forest have been
clear-felled
• Other places show a
block pattern, where
sections of relatively
undisturbed forest are
left between clear-
felled sections
Boreal forests of Sakhalin, Russia
Area burned due
to forest fire in
Boreal region
Exploited Lappi forests in Finland
Images show results
of logging in the
northeastern areas
of the country
The patches of tan in
the 2002 image signify
clearcut areas
Iguazú – home to endangered rain forests
Argentina
• 1973: Forest
cover is
extensive
throughout the
region
• 2003:
Extensive
deforestation in
Paraguay
Converting forests to farmlands in Rondônia
Brazil
• 1975 -
Healthy natural
vegetation
• 1989 - “Fishbone”
pattern on the
landscape indicates
agriculture fields
• 2001 - Agriculture
continues to
replace forest cover
Regular monitoring of Amazon rainforests
Almost one fifth of the Amazon
rainforest has been cleared. Between
August 2003 and August 2004 alone,
26, 000 square km were cleared; 6%
higher than the previous 12 months
Deforestation was worst in
the state of Mato Grosso
Indigenous vs. exotic forests in
Valdivian, Chile
Small scale logging of
native forests,
livestock and
agriculture have been
replaced by large
scale timber
production
• 1975-2001: Show
changes in land
use during the last
30 years
One Planet Many People:
Atlas of Our Changing Environment
Thank You!
Free Downloads:
www.na.unep.net
Purchase:
www.Earthprint.com
FORESTS

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forests.ppt

  • 3. FORESTS • Tai National Park, Côte d`Ivoire • Kisangani, D.R. of Congo • Itampolo, Madagascar • British Columbia, Canada • Gaspe Peninsula, Canada • Angangueo, Mexico • Country Boundary, Guatemala/Mexico • Olympic Peninsula, United States • Washington D.C., United States
  • 4. FORESTS • Papua, Indonesia • Demilitarized Zone, Korea • Oudomxay, Laos • Arkhangelsk, Russia • Sakhalin, Russia • Lappi, Finland • Iguazú, South America • Rondônia, Brazil • Valdivian, Chile
  • 5. FORESTS 1900 3.18 1950 1.85 1960 1.45 1970 1.17 1980 0.97 1990 0.82 2000 0.64 Earth’s shrinking forestland (Ha per capita) 1900-2000
  • 6. FORESTS • Worldwide, the total forest area in 2005 is just under 4 billion hectares; the rate of deforestation is about 13 million hectares per year. The net change in forest area in the period 2000-2005 is estimated at -7.3 million hectares/year CIDA 2006; WRI 2005; WWF 2005 • Tropical forests are home to about 50% of all plant and animal species on the planet • Forests cover almost one-third of the earth's land surface; the global area of forest systems has been reduced by one half over the past three centuries • Approximately 1.5 billion tonnes of wood is harvested for fuel annually worldwide • Forests are among the most notable storehouses of biological diversity on the land - they house over two-thirds of known terrestrial species; they also harbour the largest share of threatened species
  • 7. Deforestation in Tai National Park Côte d`Ivoire These images show deforestation rates in the area, believed to be one of the highest in the world • 1988: Shows destruction of small forest fragments • 2002: The lighter green strip bisecting the images is the result of extensive deforestation and intensive cultivation
  • 8. Steady deforestation of dense forest cover in Kisangani, Congo • 1975: The city and surrounding areas are clearly visible • 2001: The cleared area around the city has grown and become consolidated, spreading along rivers and roads
  • 9. Changes in narrow coastal plain of Itampolo Madagascar • 1973: Shows heavily forested area, home to unique and rare plant and animal species • 2001: The burning of forest to clear land for dry rice cultivation has led to disappearance of forest area (seen as tan)
  • 10. Impact of logging in British Columbia Canada • 1975-1999: Shows the impact of logging on reasonably pristine landscape
  • 11. The changes in the forest due to logging between 1993 and 2000 Forests along Gaspe Peninsula Canada
  • 12. Angangueo – an important habitat for monarch butterflies, Mexico • 1986: Images show degradation of forest area • 2001: Between 1984 and 1999, 38% of forests were degraded
  • 13. Different land use practices visible across country border, Mexico/Guatemala • 1974 - 2000: Conversion of forest to agriculture • Now country border can be seen even from space
  • 14. Disappearing temperate forests of Olympic Peninsula, United States • 1974: Shows patchwork of purple and pink, indicating clear-cutting • 2000: Evidence of good re-growth of trees in forest reserve areas
  • 15. Dramatic tree loss in Washington D.C. United States • Satellite images showing the dramatic loss of trees in the District moved Mrs. Casey to action • Casey Trees Endowment Fund was created to restore the tree cover of the District of Columbia
  • 16. Conversion of forests into palm plantations in Papua, Indonesia • 1990: a new human presence, earth colored roads provide access to the forest • 2000: rectilinear patterns cover 10,000 ha • 2002: Cleared area nearly doubles since 2000
  • 17. Forest in the Demilitarized Zone (DMZ) Korea Images reveal significant burn scars in the DMZ
  • 18. Deforestation in Oudomxay, Laos • 1975: Image shows continuous forest cover • 2000: Forest cover dotted with cleared patches
  • 19. Disturbances in forest cover in Arkhangelsk Russia • In some places, large sections of the forest have been clear-felled • Other places show a block pattern, where sections of relatively undisturbed forest are left between clear- felled sections
  • 20. Boreal forests of Sakhalin, Russia Area burned due to forest fire in Boreal region
  • 21. Exploited Lappi forests in Finland Images show results of logging in the northeastern areas of the country The patches of tan in the 2002 image signify clearcut areas
  • 22. Iguazú – home to endangered rain forests Argentina • 1973: Forest cover is extensive throughout the region • 2003: Extensive deforestation in Paraguay
  • 23. Converting forests to farmlands in Rondônia Brazil • 1975 - Healthy natural vegetation • 1989 - “Fishbone” pattern on the landscape indicates agriculture fields • 2001 - Agriculture continues to replace forest cover
  • 24. Regular monitoring of Amazon rainforests Almost one fifth of the Amazon rainforest has been cleared. Between August 2003 and August 2004 alone, 26, 000 square km were cleared; 6% higher than the previous 12 months Deforestation was worst in the state of Mato Grosso
  • 25. Indigenous vs. exotic forests in Valdivian, Chile Small scale logging of native forests, livestock and agriculture have been replaced by large scale timber production • 1975-2001: Show changes in land use during the last 30 years
  • 26. One Planet Many People: Atlas of Our Changing Environment Thank You! Free Downloads: www.na.unep.net Purchase: www.Earthprint.com FORESTS