Chapter 10: Biodiversity
What is biodiversity?
How many species are known to scientists? Total estimated?
What is the most abundant class of life?
3 LEVELS OF BIODIVERSITY
1.
2.
3.
BENEFITS OF BIODIVERSITY
How are each of these important?
a. Ecosystem connections
Keystone species:
b. Population Survival
c. Medical, Industrial, Agricultural
d. Ethics, Aesthetics, Recreation
Ecotourism:
Name: ________________________
10-2 Biodiversity at Risk
EXTINCTIONS
mass extinction:
Example:
What risks make a species likely to become extinct?
Why will rats and cockroaches not become extinct?
endangered species:
threatened species:
MAJOR HUMAN CAUSES OF EXTINCTION
1.
2.
3.
4.
AREAS OF CRITICAL BIODIVERSITY
Endemic species:
Tropical Rain Forest
Coral Reefs and Coastal Ecosystems
Islands
Biodiversity hotspots:
Hotspots in the US=
10-3 Future of Biodiversity
SAVING SPECIES
Captive-Breeding Programs
Preserving Genetic Material
Zoos, Aquariums, Parks, and Gardens
PRESERVING HABITATS AND ECOSYSTEMS
Conservation Strategies:
LEGAL PROTECTIONS
US Laws
Endangered Species Act:
1st provision:
2nd provision:
3rd provision:
4th provision: Species Recovery Plan
habitat conservation plan:
INTERNATIONAL UNION FOR THE CONSERVATION OF NATURE AND NATURAL
RESOURCES (IUCN)
What does this organization do?
CITES (Convention on International Trade in Endangered Species)
UNITED NATIONS CONFERENCE ON ENVIRONMENT AND DEVELOPMENT
EARTH SUMMIT
Biodiversity Treaty:
PRIVATE CONSERVATION EFFORTS
List organizations involved in protecting species.