1. Loss of Habitat
Riparian Ecosystems

2. 3/9 B-BAT: List causes of habitat loss and overfishing
Do Now!
What do you see in these
two images?

3. Riparian Habitats
Vegetation, habitats, or ecosystems that are associated with water
Riparian habitats had great biodiversity
Today, only 5-10% of the Southwest’s original riparian areas remain

4. Habitat Destruction
Habitat destruction is the alteration of  a natural habitat
To the point that it is rendered unfit to support the species dependent upon it as their home territory
Includes
Urban development
Over pumping groundwater

5. Urban Development Human population is increasing
Many more people are coming to Arizona
This means more:
Housing
Roads
Pipelines
Other industrial development

6. What Alterations Do You See?

9. Loss of Biodiversity

10. Thick Billed Parrot

11. Beavers Were once found everywhere in Arizona
1883, trapper James Ohio Pattie trapped 200 beaver in 7 days
Important Role
Built dams reducing rate of stream flow and raised the water table
Can be found further north today

12. Think-Pair-Share Think to yourself Turn to your partner and share
Can we as humans fix this?
Can we stop it from happening again?
Can we still get what we need as humans?
Turn to your partner and share

13. San Pedro Riparian National Conservation Area

14. Over Hunting
Overhunting is when hunting causes damage to the population of a species
it is when hunting leads to problems for the population of animals.
There are different reasons for overhunting

15. Hunting for sport
Hunting for trophies
Hunting for food

17. Overfishing Overfishing Bycatch Bottom trawling
Catching more fish than the ocean can produce
Bycatch
A fish or other marine species that is caught unintentionally while catching certain target species and target sizes of fish, crabs, etc.
Bottom trawling
A fishing net is dragged on the sea floor

21. Think-Pair-Share
How can we still get the amount of resources we need without harming the environment?

22. Exit Ticket
Write down some of the ideas talked about to help solve these issues?