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Deforestation

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Deforestation is the conversion of forested areas to non-forested ... into the Amazon in search of cheap, unclaimed land, leading to the rules of land ... – PowerPoint PPT presentation

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Title: Deforestation


1
Deforestation
Cody Clark, Rosie Salas, and Janet Shektmeyster
2
Overview of Topic
  • Deforestation is the conversion of forested areas
    to non-forested
  • Generally this removal or destruction of
    significant areas of forest cover has resulted in
    a degraded environment with reduced biodiversity
  • Deforestation greatly contributes to greenhouse
    gas accumulation in the atmosphere
  • If the current rate of deforestation continues,
    the worlds forests will vanish within 100 years

3
Image source http//images.wri.org/sdm-gene-02-de
forestation.jpg
4
Background
  • Deforestation has been practiced by humans for
    thousands of years.
  • Fire was first tool that allowed humans to modify
    the landscape
  • Deforestation correlated with the agricultural
    revolution as space is needed for crops (8-10
    thousand years ago)

5
Rationale
  • Growing worldwide demand for wood
  • Forest used for fire wood or in construction,
    paper and furniture
  • Clearing land for commercial and industrial
    development (including road construction)
  • Growth of Local Populations in rural areas
    increases demand for agricultural space and wood
    fuel

6
Rationale (continued)
  • Timber and logging industries are one of the main
    culprits of deforestation in the Boreal Forests
  • Land clearing for grazing cattle
  • Agricultural expansion for local and exportable
    crops

7
Effects of Deforestation on Climate
  • Deforestation alters the hydrologic cycle,
    potentially increasing or decreasing the amount
    of water in the soil and groundwater and the
    moisture in the atmosphere
  • Forests act as a sink for carbon which reduces
    the greenhouse effect and global warming

8
Effects of Deforestation on Climate
  • Nearly half of the estimated 52 billion tons of
    carbon stored in the Earth's biomass is found in
    tropical forests1
  • Deforestation contributes around 25 of global
    greenhouse emissions through the rotting and
    burning of vegetation2
  • CO2 has increased in the atmosphere 30 in the
    last 250 years mostly due to deforestation and
    forest fires3

9
Deforestations Contribution to Global Warming
Image source http//www.ucsusa.org/global_warming
/solutions/recognizing-forests-role-in-climate-cha
nge.html
10
Effects of Deforestation on Climate
  • Forest and land-use measures have the potential
    to reduce net carbon emissions by the equivalent
    of 10-20 of projected fossil fuel emissions
    through 20504
  • Deforestation can lead to
  • Soil erosion
  • Landslides
  • Flash flooding
  • Alteration in forest biodiversity
  • Increased temperatures (estimated to reach 130
    during the day)
  • Drought

11
Anti-deforestation Measures
  • Increased policing of Amazon regions
  • 2004 saw the start of integrated actions
    undertaken by the federal police, federal highway
    police and labor ministry. There was a further
    83 in registered infractions, 73,000 cubic
    meters of illegally-logged timber were
    confiscated, and six anti-deforestation combat
    bases (there will eventually be nineteen) were
    created.
  • More frequent satellite sweeps of the region to
    pinpoint illegal activities.
  • http//www.brazilsf.org/brazil_press5.htm

12
Kyoto Protocol Connections
  • Forests in many parts of the world act as major
    carbon absorbers providing the necessary leeway
    for different countries emissions
  • Under the Kyoto Protocol countries that exceed
    their targeted cuts in GHG emissions or are
    producing less than the required limit, will be
    able to sell emission-reduction credits to those
    unable to meet their targets
  • With deforestation and the loss of many forests,
    the carbon storage value dissipates
  • Countries will loose substantial economic revenues

13
Compensated Reduction
  • Countries that elect to reduce national level
    deforestation to below a 1980-1990 level would
    receive post facto compensation
  • This will create large scale incentive to commit
    to stabilization and further reduction of
    deforestation in the future
  • This will also facilitate significant developing
    country participation in the Kyoto Protocol
    Framework

14
Driving forces behind deforestation in Brazil
  • Tax laws
  • Corporations and individuals can exclude up to
    80-90 (respectively) of agricultural profits
    from their taxable income under various
    provisions of the tax code Demand for land
    becomes extremely high, as agricultural projects
    become extremely attractive to corporate and
    private investors.

15
Driving forces behind deforestation in Brazil
  • This system harms the small, poor farmer, since
    the low tax rate level becomes capitalized into
    the price of land, reflected in high land prices,
    making it unprofitable for the poor farmers of
    Brazil. This forces them to move further into the
    Amazon in search of cheap, unclaimed land,
    leading to the rules of land allocation that
    further encourage deforestation.

16
Driving forces behind deforestation in Brazil
  • After 5 years on a plot of land, the inhabitant
    gets legal title to that land. This encourages
    poor farmers to go into the forest and clear land
    for themselves as it will be granted directly to
    them after 5 years
  • http//www.rcfa-cfan.org/english/issues.12-6.html

17
Driving forces behind deforestation in Brazil
  • Uncleared forest land is considered unused,
    resulting in higher taxes
  • Three major changes needed lower the amount a
    single land owner can hold from 3000 hectares to
    100-200 hectares, land holding ceilings need to
    be implemented (or reduced) for corporations, and
    the definition of used land needs to include
    various forms of forest management schemes.
  • http//www.colby.edu/personal/t/thtieten/defor-bra
    zil.html

18
Questions For Group
  • Do you have any other proposed incentives to curb
    deforestation other than changing tax laws,
    increasing policing and carbon trading?
  • If deforestation is an issue in your country, are
    there any anti-deforestation programs that you
    have successfully implemented?

19
Works Cited
Wikipedia National Intelligence Council Tropical
Deforestation and the Kyoto Protocol A new
proposal http//conserveonline.org/docs/2004/07/Tr
opical_Deforestation_and_Kyoto_Protocol.pdf http/
/www.physorg.com/news7491.html http//www.climnet.
org/EUenergy/forests_and_climate_change/index.htm
http//www.rcfa-cfan.org/english/issues.13.html ht
tp//www.ucsusa.org/global_warming/solutions/recog
nizing-forests-role-in-climate-change.html
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