Unit 2 Chapter 5 Biological Diversity and Conservation

Unit 2 Chapter 5 Biological Diversity and Conservation

Biodiversity p The variety of species in a specific area p Ecosystems are stable if their biodiversity is maintained

Loss of biodiversity p Extinction p The disappearance of a species when the last of its species dies

Loss of biodiversity p Endangered species p When numbers become so low that extinction is possible

Threats to Biodiversity Habitat destruction p Loss of a habitat that cannot be reestablished easily, causing certain organisms to become vulnerable to extinction p

Threats to Biodiversity p Ozone layer p Absorbs some of the ultraviolet waves, reducing the ultraviolet radiation reaching Earth’s surface

Threats to Biodiversity p Acid p Any Rain precipitation with low p. H, linked to the destruction of forests & lakes

Threats to Biodiversity p Pollution p Degradation of water, land or air environments, due to use of pesticides, algal blooms, etc

Conservation Biology p The study and implementation of methods to protect biodiversity Preserving habitats p Ex: creation of parks & preserves p Zilker Park, Austin,

Conservation Biology Natural resources p The parts of the environment that are useful and necessary for living organisms p Ex: sunlight, water, air, etc p

Conservation Biology p Sustainable p use Enabling people to use natural resources in ways that will benefit them and maintain the ecosystem

Conservation Biology Reintroduction programs p When organisms are taken from an area in the wild and transported to an new suitable habitat p Reintroducing Otters into the wild

Layers of the atmosphere Click on image to play video.