Definitions - PowerPoint PPT Presentation

1 / 21
About This Presentation
Title:

Definitions

Description:

The clearing of forests or trees without adequate replanting or ... British Virgin Islands -7.2. Jamaica. North and Central America -0.1. Finland. Europe ... – PowerPoint PPT presentation

Number of Views:66
Avg rating:3.0/5.0
Slides: 22
Provided by: uni53
Category:

less

Transcript and Presenter's Notes

Title: Definitions


1
(No Transcript)
2
Definitions
  • The removal of forest stands by cutting and
    burning to provide land for agricultural
    purposes, residential or industrial building
    sites, roads, etc., or by harvesting the trees
    for building materials or fuel.
  • The clearing of forests or trees without adequate
    replanting or thought of regeneration.

3
Countries by region with the greatest percentage
of deforestation from 1990 to 1995
4
Countries by region with the lowest percentage of
deforestation from 1990 to 1995
5
(No Transcript)
6
Direct Causes
  • Wildfire
  • Degradation
  • Development (urban)
  • Grazing (uncontrolled)

7
Indirect Effects
  • Edge effects
  • Habitat fragmentations

8
Region Specific?
9
  • Why tropical forests?

10
(No Transcript)
11
  • Loss of nutrients.
  • 80 percent soil acidic and infertile
  • Flooding

12
(No Transcript)
13
Effects of Biodiversity
  • Effects animal and plant species
  • 25 percent medicine comes from plants in
    rainforest.
  • Tropical rainforest is a big concern

14
Biodiversity
15
Indigenous People
16
Social Effects
  • Losing homes
  • Alters way of life
  • Culture diversity

17
Hydrological Cycle
18
Leads to increase in severity of flooding
19
Mountain deforestation increases the frequency of
mudslides
20
Climate Change
21
Works cited
  • http//ess.geology.ufl.edu
  • www.mongabay.com
  • www.umich.edu/gs265/society/deforestation.htm
  • http//rainforest.mongabay.com

22
THE
  • End
Write a Comment
User Comments (0)
About PowerShow.com