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The average rate of species extinction over the last 200 million
years was 90 species per century. Today that rate is approximately 140
species per day.
Sources:
Alberta's Ecosystems and
Endangered Species: A Great Source of Links and Information
Australia's
Biodiversity
Pages
Biodiversity
and Conservation: an Excellent Online Book
Biodiversity Information
Network
Bionet's Biodiversity Pages
Biodiversity Conservation Network
Biodiversity:
Measuring Variety
Ciesin's
Biodiversity
and Ecology
Conservation Ecology
Journal
The Defenders
Diversity
of Life Includes an Excellent Section on Microbes
Ecology, Biodiversity and
Ecology
at Rice
EE-Link: Endanagered Species
Endangered Specie Com
Endangered
Species Gopher
Stop Extinction
USGS's Endangered
Ecosystems
The Wilderness Organization
World Species List
WRI's Biodiversity
Alien
Species Problem in Hawaii
Atmospheric
Loadings to Coastal Ecosystems
The Cascade
Effect
Causes for the
Loss
of Biodiversity
Causes of
Extinctions
and Consequences
Detecting
Critical Scales in Fragmented Landscapes
Ecological
Footprints of Nations
Endangered
Ecosystems
of the US
Extinction
Prone
Species
Fragmented
Forests
Mechanisms for the
Loss of Biodiversity
Over Population
Resilience
and Restoration of Lakes
Sustainability,
Stability and Resilience
Threats to
Biodiversity
Threats
to Canadian Biodiversity
Threats to
Coral
Reefs
Threats
From Over Exploitation
Tropical
Habitat Loss Threatens Mass Extinction
What's
Happening to Our Biodiversity?
The flower on the left is the Minnesota Dwarf Trout Lily the one on
the right is the Prairie Bush Clover, both are endangered. Presently
biologists
are agreed that approximately 70% of all plant species are in danger of
becoming extinct.
Types of Biodiversity:
Biogeography
Biomes
Canadian Ecosystems
Culture
Diversity
Ecosystem and
Habitats
Forest
Ecosystems
Genetic
Diversity
Introduction
to Biomes
Measuring
Diversity and Global Patterns
Natural
Resources
& Biodiversity of Ecosystems
New Zealand
Biogegraphy
Overview of
Biodiversity
The
Science
of Biodiversity
The
Scope of the Problem
Terrestrial
Ecozones of Canada
Why
Species are in Danger
WRI's Description
of
Biodiversity
Benefits of Biodiversity:
The Case for Saving
Species
Earth Ethics
The
Importance of Biodiversity
Linking
Biodiversity
and Agriculture
Measuring
Biodiversity Value
Multi Faced
Aspect of Ecosystem Integrity
Values
of Biodiversity from an Online Book
Endangered Species Act:
Biodiversity:
Some Popular Myths Undone
Components of
Biodiversity
Law
Endangered Species & Wetlands
Report:
A Good Source for Current Legal Cases.
ESA
and
Other Laws and Treaties
Facts
vs Myths: ESA
Protecting
Biodiversity:
An Argument for a Constitutional Amendment
State Laws and
Policies
Fail to Protect Biodiversity
Strenghtening the ESA
Use
This Gopher Menu to Separate the Facts from the Myths about the ESA
